C语言学籍管理系统(内含源代码)..

#include<stdio.h>#include<string.h>#include<stdlib.h>struct Date{ int year;//年int month;//月int day;//日};struct StuMessage{char stuNo[11];//学号char name[9];//姓名char spec[21];//专业int grade;//年级char sex;//性别struct Date birthday;//出生日期}stu[5];int load(){ FILE *fp;int i;if ((fp=fopen("results.txt","rb"))==NULL){printf("文件打开错误");return 0;}for (i=0;!feof(fp);i++)fread(&stu[i],sizeof(struct StuMessage),1,fp);fclose(fp);return(i-1);}void save(int n){int i;FILE *fp;if ((fp=fopen("results.txt","wb"))==NULL){printf("文件打开错误:");}for (i=0;i<n;i++)fwrite(&stu[i],sizeof(struct StuMessage),1,fp);fclose(fp);}void SysInfo(void);void MenuOfMain(struct StuMessage stu[]);void Append(struct StuMessage stu[]);void Modify(struct StuMessage stu[]);void Delet(struct StuMessage stu[]);void MenuOfSear(struct StuMessage stu[]);void ListAll(struct StuMessage stu[]);void Quit(struct StuMessage stu[]);void SearNum(struct StuMessage stu[]);void SearGrade(struct StuMessage stu[]);int NumOfSear(struct StuMessage stu[],char stuNum[]); void PrintHead(void);void Listone(struct StuMessage list);int DelList(struct StuMessage stu[],int i);int i;char choose;int length;int main(){char choose;printf("~~~~~~~~~~~~welcome~~~~~~~~~~~~\n");printf(" 软件学院学籍管理系统\n");printf("^-^ ^-^\n");printf("^-^ ^-^\n");printf("请随便输入一个非0的数进入\n");printf("~~~~~~~~~~~~welcome~~~~~~~~~~~~\n");choose =getchar();MenuOfMain(stu);}void MenuOfMain(struct StuMessage stu[])//显示主菜单{while(choose!='0'){ system("cls");printf("欢迎进入学籍管理系统主页面\n");printf("1:录入学生信息模块\n");printf("2:修改学生信息模块\n");printf("3:删除学生信息模块\n");printf("4:查询学生信息模块\n");printf("5:输出学生信息\n");printf("6:清屏\n");printf("0：退出学籍管理系统\n");printf("\n");printf("请选择(0-5):\n");choose=getchar();switch(choose){case'1':Append(stu); break;case'2':Modify(stu); break;case'3': Delet(stu); break;case'4':MenuOfSear(stu); break;case'5': ListAll(stu);break;case'0': exit(0);default:printf("请在(0-5)内选择\n");}}}void Append(struct StuMessage stu[])//录入学生记录{char con;length=load();do{ system("cls");printf("\t\t\t\t 输入学号\n");printf("\t\t\t\t ");scanf("%s",&stu[i].stuNo);printf("\t\t\t\t 输入姓名\n");printf("\t\t\t\t ");scanf("%s",&stu[i].name);printf("\t\t\t\t 输入专业\n");printf("\t\t\t\t ");scanf("%s",&stu[i].spec);printf("\t\t\t\t 输入年级\n");printf("\t\t\t\t ");scanf("%d",&stu[i].grade);printf("\t\t\t\t 输入性别\n");printf("\t\t\t\t ");scanf("%s",&stu[i].sex);printf("输入出生年月日\n");printf("年：\n");scanf("%d",&stu[i].birthday.year);printf("月：\n");scanf("%d",&stu[i].birthday.month);printf("日：\n");scanf("%d",&stu[i].birthday.day);length++;printf("如果继续请输入'Y'\n");scanf("%c",&con);save(length);}while(con=='Y');}void Modify(struct StuMessage stu[])//通过输入学号查询学生记录，或重新修改{int i;char m[11];length=load();do{printf("请输入修改学生的学号：\n");scanf("%s",m);for (i=0;i<length;i++)if (!strcmp(stu[i].stuNo,m)){printf("请输入修改后的学生信息");printf("学号:");scanf("%s",stu[i].stuNo);printf("姓名:");scanf("%s",stu[i].name);printf("专业:");scanf("%s",stu[i].spec);printf("年级:");scanf("%d",&stu[i].grade);printf("性别:");scanf("%s",&stu[i].sex);printf("出生年月日\n");printf(" 年:");scanf("%d",&stu[i].birthday.year);printf(" 月:");scanf("%d",&stu[i].birthday.month);printf(" 日:");scanf("%d",&stu[i].birthday.day);printf("修改成功\n");save(length);} elseprintf("没有找到相关记录\n");printf("是否继续，继续请输入'Y',不继续请输入'N'\n");choose=getchar();choose=getchar();}while(choose=='Y');}void Delet(struct StuMessage stu[])//通过输入学号查询学生记录，并可选择删除{int i;char m[11];char con;length=load();printf("请输入要删除学生的学号");scanf("%s",m);for(i=0;i<=length;i++){if(strcmp(m,stu[i].stuNo)==0){printf("%s\t%s\t%s\t%d\t%c\t",stu[i].stuNo,stu[i].name,stu[i].spec,stu[i].grade,stu[i].sex);printf("%d %d %d\n",stu[i].birthday.year,stu[i].birthday.month,stu[i].birthday.day);break;}}if(i<length){printf("是否删除该学生信息？(Y/N)");scanf("%c",&con);if(con=='y'||con=='Y')//判断是否删除{DelList(stu,i);}printf("删除成功");}}void MenuOfSear(struct StuMessage stu[])//显示查询的主菜单{int flag = 0;char m[11];int i=0;length=load();printf("请输入学号：");scanf("%s",m);for(;i<length ;i++){ if(!strcmp(stu[i].stuNo,m)){PrintHead();printf("学号%s\t",stu[i].stuNo);printf("姓名%s\t",stu[i].name);printf("专业%s\t",stu[i].spec);printf("年级%d\t",stu[i].grade);printf("性别%c\t",stu[i].sex);printf("年%d\t",stu[i].birthday.year);printf("月%d\t",stu[i].birthday.month);printf("日%d\t",stu[i].birthday.day);printf("\n");flag = 1;}}if(flag == 0)printf("没有找到相关记录\n");}void ListAll(struct StuMessage stu[])//以列表的方式显示所有学生记录{do{void PrintHead(void);PrintHead();i=0;length=load();for (;i<length;i++){printf("学号%s\t",stu[i].stuNo);printf("姓名%s\t",stu[i].name);printf("专业%s\t",stu[i].spec);printf("年级%d\t",stu[i].grade);printf("性别%c\t",stu[i].sex);printf("年%d\t",stu[i].birthday.year);printf("月%d\t",stu[i].birthday.month);printf("日%d\t",stu[i].birthday.day);printf("\n");}if(i>=length)printf("选择非'0'返回主菜单\n");choose=getchar();choose=getchar();}while(choose=='0');}void ListOne(struct StuMessage stu[],int i){printf("%s\t%s\t%s\t%d\t%c\t",stu[i].stuNo,stu[i].name,stu[i].spec,stu[i].grade,stu[i].sex);printf("%d %d %d\n",stu[i].birthday.year,stu[i].birthday.month,stu[i].birthday.day);}void Quit(struct StuMessage stu[])//退出菜单系统{exit(0);}void SearNum(struct StuMessage stu[])//通过输入学号查询学生记录{char m[11];length=load();do{ system("cls");printf("请输入查询的学号：\n");scanf("%s",m);for(i=0;i<length ;i++){if(!strcmp(stu[i].stuNo,m)){ void PrintHead(void);PrintHead();printf("学号%s\t",stu[i].stuNo);printf("姓名%s\t",stu[i].name);printf("专业%s\t",stu[i].spec);printf("年级%d\t",stu[i].grade);printf("性别%c\t",stu[i].sex);printf("年%d\t",stu[i].birthday.year);printf("月%d\t",stu[i].birthday.month);printf("日%d\t",stu[i].birthday.day);printf("\n");}elseprintf("没有找到相关记录\n");}printf("选择'Y'继续\n");choose=getchar();choose=getchar();}while(choose=='Y');}void SearGrade(struct StuMessage stu[])//通过输入年级查询学生记录{int meau();do{ printf("请输入查询的年级：\n");int grade;length=load();scanf("%d",&grade);void PrintHead(void);PrintHead();int count=0;i=0;for(;i<length ;i++){printf("学号%s\t",stu[i].stuNo);printf("姓名%s\t",stu[i].name);printf("专业%s\t",stu[i].spec);printf("年级%d\t",stu[i].grade);printf("性别%c\t",stu[i].sex);printf("年%d\t",stu[i].birthday.year);printf("月%d\t",stu[i].birthday.month);printf("日%d\t",stu[i].birthday.day);printf("\n");count++;i++;}if( count>0)printf("共找到%d条记录\n",count);if(count<=0)printf("没有找到相关记录\n");printf("按'Y'继续\n");choose=getchar();choose=getchar();}while(choose=='Y');}int NumOfSear(struct StuMessage stu[],char stuNum[])//根据接收到的学生学号，进行查询{int i;length=load();printf("输入学生学号");scanf("%s",stuNum);for(i=0;i<length;i++){if(strcmp(stuNum,stu[i].stuNo)==0)break;}if(i<length)return i;else return -1;}void PrintHead(void) //显示表头{printf("学号：\t 姓名:\t 专业:\t 年级:\t 性别:\t 年:\t 月:\t 日:\t\n");}int DelList(struct StuMessage stu[],int i)//如果数组中存在下标为i的记录，删除该记录返回{ int j;if(i<length){for(j=i+1;j<length;j++)stu[j-1]=stu[j];length--;printf("删除成功");return 1;}elsereturn 0;}。

C语言课程设计——学生管理系统源代码#include<stdio.h>#include<stdlib.h>#include<string.h>#include<conio.h>#define MY1 printf("学号\t姓名\t性别\t年龄\t生日")#define MY2 printf("\n%d %6s %4s\t%2d %8d%2d%2d \n",s[i].num,s[i].name,s[i].sex,s[i].age,s[i].a.year,s[i].a.month,s[i].a.day)#define MY3 printf("家庭住址联系方式高数英语大物总成绩")#define MY4 printf("\n%4s %4s %2d %2d %2d %2d\n",s[i].address,s[i].tel,s[i].c.gao,s[i].c.ying,s[i].c.wu,s[i].c.total)#define MAX 30int i;int sum;/*时间结构体类型*/struct date{int year;int month;int day;}a;/*学生成绩结构体类型*/struct score{int gao;int ying;int wu;int total;}c;/*学生信息结构体类型*/struct s_message{int num;char name[20];char sex[5];int age;struct date a;char address[50];char tel [11];struct score c;}s[MAX];/*保存学生信息模块*/void save_message(int sum){int i;FILE*fp;if((fp=fopen("D:\\s.txt","wb"))==NULL){printf("reading file is wrong!\n");return;}for (i=0;i<sum;i++){if(fwrite(&s[i],sizeof(struct s_message),1,fp)!=1)printf("writing file is wrong!\n");}fclose(fp);}/*读取学生信息模块*/int read_message(){FILE *fp;int i=0;if((fp=fopen("D:\\s.txt","rb"))==NULL){printf("\n\n***********暂时无任何库存信息，按回车键进入主菜单选择基本信息的录入！***********\n");return 0 ;}while(feof(fp)==0){if(fread(&s[i],sizeof(struct s_message),1,fp)!=1) break;i++;}fclose(fp);return(i);}/*输入学生信息模块*/putin_message(){system("cls");int i=0,m=0;printf("\n\n***********输入学生信息****************\n\n");printf("输入要输入的学生的个数(m<MAX)\n");scanf("%d",&m);for(i=sum;i<sum+m;i++){ printf("\n\n第%d个学生的信息\n",i+1);printf("\n 学生学号:");scanf("%d",&s[i].num);if(s[i].num==0) break;printf("\n 学生姓名:");scanf("%s",s[i].name);printf("\n 学生性别:");scanf("%s",s[i].sex);printf("\n 学生年龄:");scanf("%d",&s[i].age);printf("\n 学生生日:");scanf("%d%d%d",&s[i].a.year,&s[i].a.month,&s[i].a.day);printf("\n 家庭住址:");scanf("%s",s[i].address);printf("\n 联系方式:");scanf("%s",s[i].tel);printf("\n 高数--英语--大物(成绩0-100):");scanf("%d%d%d",&s[i].c.gao,&s[i].c.ying,&s[i].c.wu);s[i].c.total=s[i].c.gao+s[i].c.ying+s[i].c.wu;flushall();}printf("\n***********************学生信息输入完毕**********************\n");sum+=m;printf("\n 按回车键返回主菜单！");getch();return 0;}/*输出学生信息模块*/void putout_message(){system("cls");int i=0;printf("\n*****************************学生信息表**********************\n\n");for(i=0;i<sum;i++){MY1;MY2;MY3;MY4;printf("\n\n");}printf("按回车键返回主菜单！");getch();}/*添加学生信息*/insert_message(){system("cls");int i=sum,flag=0;char choice;printf("\n\n**********添加一个学生信息***********\n");do{printf("\n 学生学号:");scanf("%d",&s[i].num);if(s[i].num==0) break;printf("\n 学生姓名:");fflush(stdin);scanf("%s",s[i].name);printf("\n 学生性别:");scanf("%s",s[i].sex);printf("\n 学生年龄:");scanf("%d",&s[i].age);printf("\n 学生生日:");scanf("%d %d %d",&s[i].a.year,&s[i].a.month,&s[i].a.day);printf("\n 学生家庭住址:");scanf("%s",s[i].address);printf("\n 联系方式:");scanf("%s",s[i].tel);printf("\n 高数--英语--大物(成绩0-100):");scanf("%d%d%d",&s[i].c.gao,&s[i].c.ying,&s[i].c.wu);s[i].c.total=s[i].c.gao+s[i].c.ying+s[i].c.wu;sum++;printf("\n 要继续吗？(Y/N)");choice=getch();if(choice=='y'||choice=='Y'){printf("\n 继续！\n");i++;flag=1;}else flag=0;}while(flag==1);printf(" 按回车键返回主菜单！");getch();return 0;}/*修改学生信息*/revise_message(){system("cls");int i=0,choice1;int revise_num,flag=0;int r=0;char choice2;printf("\n 输入要修改的学生的学号:");scanf("%d",&revise_num);for(i=0;i<sum;i++){if(revise_num==s[i].num)r=1;}if(r==0||revise_num==0)printf("没有该学生的相关信息");do{for(i=0;i<sum;i++){if(s[i].num==revise_num){printf("\n 你要修改哪一项?\n");printf("\n 1.学号\n");printf("\n 2.姓名\n");printf("\n 3.性别\n");printf("\n 4.年龄\n");printf("\n 5.生日\n");printf("\n 6.家庭住址\n");printf("\n 7.联系方式\n");printf("\n 8.高数--英语--大物--总成绩\n");printf("请选择:");scanf("%d",&choice1);switch(choice1){case 1: printf("\n 输入修改后的学生学号:");scanf("%d",&s[i].num);break;case 2: printf("\n 输入修改后的学生姓名:");scanf("%s",s[i].name);break;case 3: printf("\n 输入修改后的学生性别:");scanf("%s",s[i].sex);break;case 4: printf("\n 输入修改后的学生年龄:");scanf("%d",&s[i].age);break;case 5: printf("\n 输入修改后的学生生日:");scanf("%d%d%d",&s[i].a.year,&s[i].a.month,&s[i].a.day);break;case 6: printf("\n 输入修改后的学生家庭住址: ");scanf("%s",s[i].address);break;case 7: printf("\n 输入修改后的联系方式:");scanf("%s",s[i].tel);break;case 8: printf("\n 输入修改后的高数--英语--大物(成绩0-100):");scanf("%d%d%d",&s[i].c.gao,&s[i].c.ying,&s[i].c.wu);break;}}}printf("\n 要继续吗？(Y/N)");choice2=getch();if(choice2=='y'||choice2=='Y'){printf("\n 继续！\n");flag=1;}else flag=0;}while(flag==1);printf(" 按回车键返回主菜单！");getch();return 0;}/*更新学生信息模块*/renew_message(){system("cls");int choice;do{printf("\n\n\n*****************更新学生信息*******************\n\n");printf(" 1.添加学生信息\n\n");printf(" 2.修改学生信息\n\n");printf(" 0.返回主菜单\n\n");printf(" choice(0-2)");scanf("%d",&choice);switch(choice){case 1:insert_message();break;case 2:revise_message();break;case 0:break;}}while(choice!=0);return 0;}/*按学号查询*/int inquire_num(){system("cls");int i=0,j,r=0;printf("\n 输入要查询的学生的学号:");scanf("%d",&j);for(i=0;i<sum;i++){if(j==s[i].num)r=1;}if(r==0||j==0)printf("没有该学生的相关信息");for(i=0;i<sum;i++)if(j==s[i].num){printf("\n **********学生信息**********\n");MY1;MY2;MY3;MY4;}getch();return 0;}/*按姓名查询*/int inquire_name(){system("cls");int i=0,r=0;char inquire_name[20];printf("\n 输入要查询的学生的姓名:");scanf("%s",inquire_name);for(i=0;i<sum;i++){if(strcmp(s[i].name,inquire_name)==0)r=1;}if(r==0)printf("无该学生信息\n");for(i=0;i<sum;i++)if(strcmp(s[i].name,inquire_name)==0){printf("\n **********学生信息**********\n");MY1;MY2;MY3;MY4;}getch();return 0;}/*查询高数成绩及格的学生*/ int inquire_gao(){system("cls");int i=0,j=0;int x=60;printf("\n ***高数成绩及格的学生的信息***\n");for(i=0;i<sum;i++)if(s[i].c.gao>=x){MY1;MY2;MY3;MY4;j++;}if(j==0)printf("无高数成绩及格的学生\n");getch();return 0;}/*查询英语成绩及格的学生*/ int inquire_ying(){system("cls");int i=0,j=0;int x=60;printf("\n ***英语成绩及格的学生的信息***\n");for(i=0;i<sum;i++)if(s[i].c.ying>=x){MY1;MY2;MY3;MY4;j++;}if(j==0)printf("无英语成绩及格的学生\n");getch();return 0;}/*查询大学物理成绩及格的学生*/ int inquire_wu(){system("cls");int i=0,j=0;int x=60;printf("\n ***大学物理成绩及格的学生的信息***\n");for(i=0;i<sum;i++)if(s[i].c.wu>=x){MY1;MY2;MY3;MY4;j++;}if(j==0)printf("无物理成绩及格的学生\n");getch();return 0;}/*查询各门成绩及格的学生*/int inquire_jige(){system("cls");int choice;do{printf("\n\n********查询学生信息*********\n\n");printf(" 1.查询高数成绩及格的学生\n\n");printf(" 2.查询英语成绩及格的学生\n\n");printf(" 3.查询大学物理成绩及格的学生\n\n");printf(" 0.返回主菜单\n\n");printf(" choice(0-3)\n\n");scanf("%d",&choice);switch(choice){case 1: inquire_gao();break;case 2: inquire_ying();break;case 3: inquire_wu();break;case 0: break;}}while(choice!=0);getch();return 0;}/*查询学生信息模块*/inquire_message(){system("cls");int choice;do{printf("\n\n\n********查询学生信息*********\n\n");printf(" 1.按学号查询\n\n");printf(" 2.按姓名查询\n\n");printf(" 3.查询各门成绩及格的学生\n\n");printf(" 0.返回主菜单\n\n");printf(" choice(0-3)\n\n");scanf("%d",&choice);switch(choice){case 1: inquire_num();break;case 2: inquire_name();break;case 3: inquire_jige();break;case 0: break;}}while(choice!=0);getch();return 0;}/*按学号排名*/int rank_num(){ system("cls");int i=0,j;struct s_message t;for(i=0;i<sum-1;i++){for(j=i+1;j<sum;j++){if(s[i].num>s[j].num){t=s[j];s[j]=s[i];s[i]=t;}}}printf(" 从学号小到大排列:\n");for(i=0;i<sum;i++){MY1;MY2;MY3;MY4;}getch();return 0;}/*按成绩排名*/int rank_score(){ system("cls");int i=0,j;struct s_message t;for(i=0;i<sum-1;i++){for(j=i+1;j<sum;j++){if(s[i].c.total<s[j].c.total){t=s[j];s[j]=s[i];s[i]=t;}}}printf(" 从成绩高到低排列:\n");for(i=0;i<sum;i++){MY1;MY2;MY3;MY4;}getch();return 0;}/*学生排名信息模块*/int rank_message(){ system("cls");int choice;do{printf("\n\n\n***********排名信息************\n\n");printf(" 1.按学号排名\n\n");printf(" 2.按成绩排名\n\n");printf(" 0.返回主菜单\n\n");printf(" choice(0-2)");scanf("%d",&choice);switch(choice){case 1:rank_num();break;case 2:rank_score();break;case 0:break;}}while(choice!=0);return 0;}/*统计男女学生的信息*/int count_nn(){system("cls");int i=0,j=0;char k[5];printf("\n 输入要统计的学生的性别:");scanf("%s",k);printf("\n********** %s的学生的信息**********\n",k);for(i=0;i<sum;i++){if(strcmp(s[i].sex,k)==0){MY1;MY2;MY3;MY4;j++;}}printf("统计%s的人数是:%d",k,j);getch();return 0;}/*按学号删除*/int del_num(){system("cls");int i=0,m=0,k=0,flag;char choice;char de_num;do{printf("\n 输入要删除的学生的学号:");scanf("%d",&de_num);for(i=0;i<sum;i++){if(s[i].num!=de_num);else break;}for(i=0;i<sum;i++){if(s[i].num==de_num){m=i;for(i=m+1;i<sum;i++)s[i-1]=s[i];}}sum--;printf("\n 此学生的信息已被删除**********\n");printf("\n 要继续删除吗？(Y/N)");choice=getch();if(choice=='y'||choice=='Y'){printf("\n 继续！\n");k++;flag=1;}else flag=0;}while(flag==1);printf(" 按任意键返回主菜单！");getch();return 0;}/*按姓名删除*/int del_name(){system("cls");int i=0,m=0,k=0,flag;char choice;char de_name[20];do{printf("\n 输入要删除的学生的姓名:");scanf("%s",&de_name);for(i=0;i<sum;i++){if(strcmp(s[i].name,de_name)!=0);else break;}for(i=0;i<sum;i++){if(strcmp(s[i].name,de_name)==0){m=i;for(i=m+1;i<sum;i++)s[i-1]=s[i];}}sum=sum-1;printf("\n 此学生的信息已被删除**********\n");printf("\n 要继续删除吗？(Y/N)");choice=getch();if(choice=='y'||choice=='Y'){printf("\n 继续！\n");k++;flag=1;}else flag=0;}while(flag==1);printf(" 按任意键返回主菜单！");getch();return 0;}/*删除学生信息模块*/del_message(){system("cls");int choice;do{printf("\n\n\n*****删除学生信息*****\n\n");printf(" 1.按学号删除\n\n");printf(" 2.按姓名删除\n\n");printf(" 0.返回主菜单\n\n");printf(" choice(0-2)");scanf("%d",&choice);switch(choice){case 1:del_num();break;case 2:del_name();break;case 0:break;}}while(choice!=0);getchar();return 0;}/*主函数*/void main(){system("cls");int choice,m;sum=read_message();char a[4]="110",b[4];printf("\n\n\n**********************************请您输入密码**********************************\n");printf("密码:");for(m=0;m<3;m++){ b[m]=getch();printf("*");}b[3]='\0';getch();if(strcmp(a,b)==0){do{printf("\n\n************************************************************************** ******\n");printf("\n\n************密码输入成功欢迎您进入学生信息管理系统******************************\n\n");printf("************************************************************************* *******\n");printf(" 1.录入学生信息\n\n");printf(" 2.输出学生信息\n\n");printf(" 3.更新学生信息\n\n");printf(" 4.查询学生信息\n\n");printf(" 5.学生排名信息\n\n");printf(" 6.统计学生信息\n\n");printf(" 7.删除学生信息\n\n");printf(" 0.退出系统\n\n");printf(" 请选择(0-7):");scanf("%d",&choice);switch(choice){case 1: putin_message();save_message(sum);break;case 2: putout_message();break;case 3: renew_message();break;case 4: inquire_message();break;case 5: rank_message();break;case 6: count_nn();break;case 7: del_message();break;case 0: break;}}while(choice!=0);save_message(sum);printf("学籍信息被保存！--(s.txt)\n");}}。

C 语言学生教务管理系统代码C++语言学生教务管理系统代码 #include <stdio.h> #include <string.h> struct teacher{char name[30];char teachernumber[30];char birthplace[30];char teacherID[30];char telephone[30];char course[30]; }teacher[100];struct student{char name[30];char studentnumber[30];char birthplace[30];char studentID[30];char telephone[30]; }student[1000];struct manager{char name[30];char managernumber[30];char birthplace[30];char managerID[30];char telephone[30]; }manager[100]; struct grade{char number[30];float math;float ph;float english;float c_language;float practise;float sum;float aver;}grade[30];struct grade_count {float amax;float amin;float mathmax;float cmax;float phmax;float emax;float pmax;float mathmin;float cmin;float phmin;float emin;float pmin;char str1[10];char str2[10];char str3[10];char str4[10];char str5[10];char str6[10];char str7[10];char str8[10];char str9[10];char str10[10];char str11[10];char str12[10];}grade_count;void addteacher(){FILE *fp1;int ch=1;int i=0;while(ch==1){fp1=fopen("teacher.txt","a+");printf("请输入您要添加的教师的名字:\n"); scanf ("%s",teacher[i].name);printf("请输入您要添加的教师的教师号:\n");scanf ("%s",teacher[i].teachernumber);printf("请输入您要添加的教师的出生地:\n");scanf ("%s",teacher[i].birthplace);printf("请输入您要添加的教师的身份证号:\n");scanf ("%s",teacher[i].teacherID);printf("请输入您要添加的教师的联系方式:\n");scanf ("%s",teacher[i].telephone);printf("请输入您要添加的教师的课程:\n");scanf ("%s",teacher[i].course);fwrite(&teacher[i],sizeof(struct teacher),1,fp1);printf("%5s,%5s,%5s,%5s,%5s,%5s\n",teacher[i].name,teacher[i].teachernumber,teacher[i].birthplace,teacher[i].teache rID,teacher[i].telephone,teacher[i].course);printf("是否继续添加,继续添加请输入1,否则输入0\n");scanf ("%d",&ch);fclose(fp1);i++;}}void changeteacher(){FILE *fp,*fp2;char teachername[30];int i;int choice;fp=fopen("teacher.txt","r");fp2=fopen("teacherl.txt","w");printf("------欢迎进入教师修改系统------\n\n");printf("请输入要修改的教师的名字\n");scanf("%s",teachername);for(i=0;fread(&teacher[i],sizeof(struct teacher),1,fp)!=0;i++) {if(strcmp(teacher[i].name,teachername)==0){printf("你所要修改的教师的资料如下:\n\n");printf("姓名:〈%s〉教师号:<%s> 出生地:〈%s〉身份证号: <%s> 联系方式: <%s> 课程:<%s>\n",teacher[i].name,teacher[i].teachernumber,teacher[i].birthplace,teacher[i].teacherID,teacher[i].telephone,teacher[i].course);printf("，请选择你要更新的内容:1:修改教师的姓名\n");printf(" 2:修改教师的教师号\n");printf(" 3:修改教师的出生地\n");printf(" 4:修改教师的身份证号\n");printf(" 5:修改教师的联系方式\n");printf(" 6:修改教师的课程\n");printf("请按照提示选择1-6:");scanf("%d",&choice);switch(choice){case 1:{printf("请输入新的姓名\n");scanf("%s",teacher[i].name);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;case 2:{printf("请输入新的教师号\n");scanf("%s",teacher[i].teachernumber);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;case 3:{printf("请输入新的出生地 \n");scanf("%s",teacher[i].birthplace);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;case 4:{printf("请输入新的身份证号 \n");scanf("%s",teacher[i].teacherID);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;case 5:{printf("请输入新的联系方式 \n");scanf("%d",&teacher[i].telephone);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;case 6:{printf("请输入新的课程 \n");scanf("%d",&teacher[i].course);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;default:printf("Error");break;}continue;}fwrite(&teacher[i],sizeof(struct teacher),1,fp2);}fclose(fp);fclose(fp2);fp=fopen("teacher.txt","w");fp2=fopen("teacherl.txt","r");for(i=0;fread(&teacher[i],sizeof(struct teacher),1,fp2)!=0;i++) {fwrite(&teacher[i],sizeof(struct teacher),1,fp);}fclose(fp);fclose(fp2);fp2=fopen("teacherl.txt","w");fclose(fp2);printf("Enter\n");getchar();return;}void tnamedele(){FILE *fp,*fp1;int i;char teachername[30];char ch1;printf("请输入教师的名字:\n");scanf("%s",teachername);fp=fopen("teacher.txt","r");fp1=fopen("teacher1.txt","w");for(i=0;fread(&teacher[i],sizeof(struct teacher),1,fp)!=0;i++) if(strcmp(teachername,teacher[i].name)!=0){fwrite(&teacher[i],sizeof(struct teacher),1,fp1);fclose(fp);fclose(fp1);}printf("确定删除该教师,\n");printf(" 1.是，请输入Y;\n");printf(" 2.否，请输入N.\n");scanf ("%s",&ch1);if(ch1=='y'||ch1=='Y'){fp=fopen("teacher.txt","w");fp1=fopen("teacher1.txt","r");for(i=0;fread(&teacher[i],sizeof(structteacher),1,fp1)!=0;i++){fwrite(&teacher[i],sizeof(struct teacher),1,fp);}fclose(fp);fclose(fp1);printf("您已经成功删除\n");}}void tnumberdele(){FILE *fp,*fp2;int i;char teachernumber[30];char ch2;printf("请输入教师的教师号:\n");scanf("%s",teachernumber);fp=fopen("teacher.txt","r");fp2=fopen("teacher1.txt","w");for(i=0;fread(&teacher[i],sizeof(structteacher),1,fp)!=0;i++)if(strcmp(teachernumber,teacher[i].teachernumber)!=0) fwrite(&teacher[i],sizeof(struct teacher),1,fp2); fclose(fp);fclose(fp2);printf("确定删除该教师,\n");printf(" 1.是，请输入Y;\n");printf(" 2.否，请输入N.\n");scanf ("%s",&ch2);if(ch2=='y'||ch2=='Y'){fp=fopen("teacher.txt","w");fp2=fopen("teacher1.txt","r");for(i=0;fread(&teacher[i],sizeof(struct teacher),1,fp2)!=0;i++) {fwrite(&teacher[i],sizeof(struct teacher),1,fp);}fclose(fp);fclose(fp2);printf("您已经成功删除\n");}}void deleteteacher(){int i;do{printf("------欢迎进入教师删除系统------\n\n");printf(">>>按照教师的姓名删除按1\n");printf(">>>按照教师的教师号删除按2\n");printf(">>>返回按0\n");scanf("%d",&i);switch(i){case 0:printf("退出\n");break;case 1:tnamedele();break;case 2:tnumberdele();break;default:break;}}while(i!=0);}void countteacher(){FILE *fp;int i,j;int n=0;do{printf("您现在进行的是统计教师的操作\n\n"); printf("请稍等......按1确定，按0退出\n"); scanf("%d",&j);switch(j){case 0:printf("退出\n");break;case 1:{fp=fopen("teacher.txt","r");for(i=0;fread(&teacher[i],sizeof(struct teacher),1,fp)!=0;i++){n=n+1;}fclose(fp);printf("现在教师的总量为:%d\n",n); getchar();return;};break;default:break;}}while(j!=0);}void tnameseek(){FILE *fp1;int i;char tname[30];int ch1;do{printf("--------您现在进入的是教师查询系统--------\n\n");printf("请输入教师的名字:\n");scanf("%s",tname);fp1=fopen("teacher.txt","r");for(i=0;fread(&teacher[i],sizeof(structteacher),1,fp1)!=0;i++){if(strcmp(tname,teacher[i].name)==0)printf("%5s---%5s---%5s---%5s--%5s--%5s\n",teacher[i].name,teacher[i].teachernumber,teacher[i].birthplace,te acher[i].teacherID,teacher[i].telephone,teacher[i].course);}printf("继续请输入1，否则输入0\n");scanf("%d",&ch1);}while(ch1==1);}void tnumberseek(){FILE *fp2;int i;char tnumber[30];int ch2;do{printf("--------您现在进入的是教师查询系统--------\n\n");printf("请输入教师的教师号:\n");scanf("%s",tnumber);fp2=fopen("teacher.txt","r");for(i=0;fread(&teacher[i],sizeof(struct teacher),1,fp2)!=0;i++) {if(strcmp(tnumber,teacher[i].teachernumber)==0)printf("%5s---%5s---%5s---%5s--%5s--%5s\n",teacher[i].name,teacher[i].teachernumber,teacher[i].birthplace,te acher[i].teacherID,teacher[i].telephone,teacher[i].course);}printf("继续请输入1，否则输入0\n");scanf("%d",&ch2);}while(ch2==1);}void seekteacher(){int i;do{printf("------欢迎进入教师查询系统------\n\n"); printf("请选择您要查询的方法\n");printf(" 1:按照教师的名字查询\n");printf(" 2:按照教师的教师号查询\n");printf(" 3:退出\n");scanf("%d",&i);switch(i){case 1: tnameseek();break;case 2: tnumberseek();break;case 3: printf("退出");break;default: printf("您的操作有误");break;}}while(i!=3);}void mteachermanage(){int i;do{printf("请按以下提示进行操作:\n\n");printf("1.<<<<教师添加\n"); printf("2.<<<<教师修改\n"); printf("3.<<<<教师删除\n"); printf("4.<<<<教师统计\n"); printf("5.<<<<教师查询\n"); printf("6.<<<<退出\n");scanf ("%d",&i);switch(i){case 1: addteacher();break; case 2: changeteacher();break; case 3: deleteteacher();break; case 4: countteacher();break; case 5: seekteacher();break; case 6: printf("退出\n");break; default:break;}}while(i!=6);}void addstudent(){FILE *fp1;int ch=1;int i=0;while(ch==1){fp1=fopen("student.txt","a+");printf("请输入您要添加的学生的名字:\n");scanf ("%s",student[i].name);printf("请输入您要添加的学生的学号:\n");scanf ("%s",student[i].studentnumber);printf("请输入您要添加的学生的出生地:\n");scanf ("%s",student[i].birthplace);printf("请输入您要添加的学生的身份证号:\n");scanf ("%s",student[i].studentID);printf("请输入您要添加的学生的联系方式:\n");scanf ("%s",student[i].telephone);fwrite(&student[i],sizeof(struct student),1,fp1);printf("%5s,%5s,%5s,%5s,%5s\n",student[i].name,student[i ].studentnumber,student[i].birthplace,student[i].studentID, student[i].telephone);printf("是否继续添加,继续添加请输入1,否则输入0\n");scanf ("%d",&ch);fclose(fp1);i++;}}void changestudent(){FILE *fp,*fp2;char studentname[30];int i;int choice;fp=fopen("student.txt","r");fp2=fopen("studentl.txt","w");printf("------欢迎进入学生修改系统------\n\n");printf("请输入要修改的学生的名字\n");scanf("%s",studentname);for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) {if(strcmp(student[i].name,studentname)==0){printf("你所要修改的学生的资料如下:\n\n");printf("姓名:〈%s〉学生号:<%s> 出生地:〈%s〉身份证号: <%s> 联系方式:<%s>\n",student[i].name,student[i].studentnumber,student[i].birthplace,student[i].studentID,student[i].telephone);printf("，请选择你要更新的内容:1:修改学生的姓名\n");printf(" 2:修改学生的学号\n");printf(" 3:修改学生的出生地\n");printf(" 4:修改学生的身份证号\n");printf(" 5:修改学生的联系方式\n");printf("请按照提示选择1-5:");scanf("%d",&choice);switch(choice){case 1:{printf("请输入新的姓名\n");scanf("%s",student[i].name);fwrite(&student[i],sizeof(struct student),1,fp2); }break;case 2:{printf("请输入新的学号\n");scanf("%s",student[i].studentnumber);fwrite(&student[i],sizeof(struct student),1,fp2); }break;case 3:{printf("请输入新的出生地 \n");scanf("%s",student[i].birthplace);fwrite(&student[i],sizeof(struct student),1,fp2); }break;case 4:{printf("请输入新的身份证号 \n");scanf("%s",student[i].studentID);fwrite(&student[i],sizeof(struct student),1,fp2); }break;case 5:{printf("请输入新的联系方式 \n");scanf("%d",&student[i].telephone);fwrite(&teacher[i],sizeof(struct teacher),1,fp2); }break;default:printf("Error");break;}continue;}fwrite(&student[i],sizeof(struct student),1,fp2); }fclose(fp);fclose(fp2);fp=fopen("student.txt","w");fp2=fopen("studentl.txt","r");for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++){fwrite(&student[i],sizeof(struct student),1,fp); }fclose(fp);fclose(fp2);fp2=fopen("studentl.txt","w");fclose(fp2);printf("Enter\n");getchar();return;}void snamedele(){FILE *fp,*fp1;int i;char studentname[30];char ch1;printf("请输入学生的名字:\n");scanf("%s",studentname);fp=fopen("student.txt","r");fp1=fopen("student1.txt","w");for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++){if(strcmp(studentname,student[i].name)!=0)fwrite(&student[i],sizeof(struct student),1,fp1); fclose(fp);fclose(fp1);printf("确定删除该学生,\n");printf(" 1.是，请输入Y;\n");printf(" 2.否，请输入N.\n");scanf ("%s",&ch1);if(ch1=='y'||ch1=='Y'){fp=fopen("student.txt","w");fp1=fopen("student1.txt","r");for(i=0;fread(&student[i],sizeof(struct student),1,fp1)!=0;i++){fwrite(&student[i],sizeof(struct student),1,fp); }fclose(fp);fclose(fp1);printf("您已经成功删除\n");}}}void snumberdele(){FILE *fp,*fp2;int i;char studentnumber[30];char ch2;printf("请输入学生的学号:\n");scanf("%s",studentnumber);fp=fopen("student.txt","r");fp2=fopen("student1.txt","w");for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++) {if(strcmp(studentnumber,student[i].studentnumber)!=0)fwrite(&student[i],sizeof(struct student),1,fp2);fclose(fp);fclose(fp2);printf("确定删除该教师,\n");printf(" 1.是，请输入Y;\n");printf(" 2.否，请输入N.\n");scanf ("%s",&ch2);if(ch2=='y'||ch2=='Y'){fp=fopen("student.txt","w");fp2=fopen("student1.txt","r");for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++) {fwrite(&student[i],sizeof(struct student),1,fp);}fclose(fp);fclose(fp2);printf("您已经成功删除\n");}}}void deletestudent(){int i;do{printf("------欢迎进入学生删除系统------\n\n");printf(">>>按照学生的姓名删除按1\n");printf(">>>按照学生的学号删除按2\n");printf(">>>返回按0\n");scanf("%d",&i);switch(i){case 0:printf("退出\n");break;case 1:snamedele();break;case 2:snumberdele();break;default:break;}}while(i!=0);}void countstudent(){FILE *fp;int i,j;int n=0;do{printf("您现在进行的是统计学生的操作\n\n"); printf("请稍等......按1确定，按0退出\n"); scanf("%d",&j);switch(j){case 0:printf("退出\n");break;case 1:{fp=fopen("student.txt","r");for(i=0;fread(&student[i],sizeof(struct student),1,fp)!=0;i++){n=n+1;}fclose(fp);printf("现在学生的总量为:%d\n",n); getchar();return;};break;default:break;}}while(j!=0);}void snameseek(){FILE *fp1;int i;char sname[30];int ch1;do{printf("--------您现在进入的是学生查询系统--------\n\n");printf("请输入学生的名字:\n");scanf("%s",sname);fp1=fopen("student.txt","r");for(i=0;fread(&student[i],sizeof(structstudent),1,fp1)!=0;i++){if(strcmp(sname,student[i].name)==0)printf("%5s---%5s---%5s---%5s--%5s\n",student[i].name,st udent[i].studentnumber,student[i].birthplace,student[i].stu dentID,teacher[i].telephone);}printf("继续请输入1，否则输入0\n");scanf("%d",&ch1);}while(ch1==1);}void snumberseek(){FILE *fp2;int i;char snumber[30];int ch2;do{printf("--------您现在进入的是学生查询系统--------\n\n");printf("请输入学生的学号:\n");scanf("%s",snumber);fp2=fopen("student.txt","r");for(i=0;fread(&student[i],sizeof(struct student),1,fp2)!=0;i++) {if(strcmp(snumber,student[i].studentnumber)==0)printf("%5s---%5s---%5s---%5s--%5s\n",student[i].name,student[i].studentnumber,student[i].birthplace,student[i].stu dentID,student[i].telephone);}printf("继续请输入1，否则输入0\n");scanf("%d",&ch2);}while(ch2==1);}void seekstudent(){int i;do{printf("------欢迎进入学生查询系统------\n\n"); printf("请选择您要查询的方法\n");printf(" 1:按照学生的名字查询\n");printf(" 2:按照学生的学号查询\n");printf(" 3:退出\n");scanf("%d",&i);switch(i){case 1: snameseek();break;case 2: snumberseek();break;case 3: printf("退出");break;default: printf("您的操作有误");break;}}while(i!=3);}void mstudentmanage(){int i;do{printf("请按以下提示进行操作:\n\n");printf("1.<<<<学生添加\n");printf("2.<<<<学生修改\n");printf("3.<<<<学生删除\n"); printf("4.<<<<学生统计\n"); printf("5.<<<<学生查询\n"); printf("6.<<<<退出\n");scanf ("%d",&i);switch(i){case 1: addstudent();break; case 2: changestudent();break; case 3: deletestudent();break; case 4: countstudent();break; case 5: seekstudent();break; case 6: printf("退出\n");break; default:break;}}while(i!=6);}void addmanager(){FILE *fp1;int ch=1;int i=0;while(ch==1){fp1=fopen("manager.txt","a+");printf("请输入您要添加的管理员的名字:\n");scanf ("%s",manager[i].name);printf("请输入您要添加的管理员的证件号:\n");scanf ("%s",manager[i].managernumber);printf("请输入您要添加的管理员的出生地:\n");scanf ("%s",manager[i].birthplace);printf("请输入您要添加的管理员的身份证号:\n");scanf ("%s",manager[i].managerID);printf("请输入您要添加的管理员的联系方式:\n");scanf ("%s",manager[i].telephone);fwrite(&manager[i],sizeof(struct manager),1,fp1);printf("%5s,%5s,%5s,%5s,%5s\n",manager[i].name,manager[i ].managernumber,manager[i].birthplace,manager[i].managerID, manager[i].telephone);printf("是否继续添加,继续添加请输入1,否则输入0\n");scanf ("%d",&ch);fclose(fp1);i++;}}void changemanager(){FILE *fp,*fp2;char managername[30];int i;int choice;fp=fopen("manager.txt","r");fp2=fopen("managerl.txt","w");printf("------欢迎进入管理员修改系统------\n\n");printf("请输入要修改的管理员的名字\n");scanf("%s",managername);for(i=0;fread(&manager[i],sizeof(struct manager),1,fp)!=0;i++) {if(strcmp(manager[i].name,managername)==0){printf("你所要修改的管理员的资料如下:\n\n");printf("姓名:〈%s〉证件号:<%s> 出生地:〈%s〉身份证号: <%s> 联系方式: <%s>\n",manager[i].name,manager[i].managernumber,manager[i].bir thplace,manager[i].managerID,manager[i].telephone);printf("，请选择你要更新的内容:1:修改管理员的姓名\n");printf(" 2:修改管理员的证件号\n");printf(" 3:修改管理员的出生地\n");printf(" 4:修改管理员的身份证号\n");printf("。

#include<stdlib.h>//标准库头文件#include<string.h>#include<stdio.h>#define N 100struct student{char name[10];int age;char sex[5];char classnumber[20];char birthday[15];char homeaddress[15];char hometelnum[15];}stu[N];int load(){FILE *fp;//定义文件型指针变量int i;if ((fp=fopen("results.txt","rb"))==NULL)/*检查打开操作是否出错*/ {printf("文件打开错误\n");exit (0);}for (i=0;!feof(fp);i++)fread(&stu[i],sizeof(struct student),1,fp);fclose(fp);return(i-1);}void save(int n){int i;FILE *fp;if ((fp=fopen("results.txt","wb"))==NULL){printf("文件打开错误:");}for (i=0;i<n;i++)fwrite(&stu[i],sizeof(struct student),1,fp);fclose(fp);}void add(){FILE *fp;int i,k;if ((fp=fopen("results.txt","wb"))==NULL){printf("文件打开错误!\n");exit(1);}printf("请输入录入信息的学生数目:");scanf("%d",&k);for (i=0;i<k;i++){printf("\n学号:");scanf("%s",stu[i].classnumber);printf("姓名:");scanf("%s",stu[i].name);printf("性别:");scanf("%s",stu[i].sex);printf("年龄:");scanf("%d",&stu[i].age);printf("生日:");scanf("%s",stu[i].birthday);printf("家庭住址:");scanf("%s",stu[i].homeaddress);printf("家庭电话号码:");scanf("%s",stu[i].hometelnum);}for (i=0;i<k;i++)fwrite(&stu[i],sizeof(struct student),1,fp);fclose(fp);}void remove(){int n,i,j;char m[5];n=load();printf("输入你要删除资料学生的姓名:");scanf("%s",&m);for (i=0;i<n;i++)if (!strcmp(stu[i].name,m))break;for (j=i;j<n-1;j++){strcpy(stu[j].classnumber,stu[j+1].classnumber);strcpy(stu[j].name,stu[j+1].name);stu[j].age=stu[j+1].age;strcpy(stu[j].sex,stu[j+1].sex);strcpy(stu[j].birthday,stu[j+1].birthday);strcpy(stu[j].homeaddress,stu[j+1].homeaddress);strcpy(stu[j].hometelnum,stu[j+1].hometelnum);}save(n-1);}void display(){int n,m;n=load();for (m=0;m<n;m++){printf("学号:%s\n",stu[m].classnumber);printf("姓名:%s\n",stu[m].name);printf("性别:%s\n",stu[m].sex);printf("年龄:%d\n",stu[m].age);printf("生日:%s\n",stu[m].birthday);printf("家庭住址:%s\n",stu[m].homeaddress);printf("家庭电话号码:%s\n",stu[m].hometelnum);}}void search(){int i,x;char name_1[10];x=load();printf("请输入要查找的学生姓名:\n");scanf("%s",name_1);for(i=0;i<x;i++)if (!strcmp(stu[i].name,name_1)){ printf("学号:%s\n",stu[i].classnumber);printf("姓名:%s\n",stu[i].name);printf("性别:%s\n",stu[i].sex);printf("年龄:%d\n",stu[i].age);printf("生日:%s\n",stu[i].birthday);printf("家庭住址:%s\n",stu[i].homeaddress);printf("家庭电话号码:%s\n",stu[i].hometelnum);}}void modify(){ FILE *fp;int n,i,j;char m[10];n=load();printf("请输入要修改学生的学号或姓名:");scanf("%s",&m);for (i=0;i<n;i++)if (!strcmp(stu[i].classnumber,m)||!strcmp(stu[i].name,m)){printf("修改项目:1.学号2.姓名3.性别4.年龄5.生日6.家庭住址7.家庭电话号码\n");printf("你选择的项目是:");scanf("%d",&j);switch (j){case 1:printf("请输入修改后的学号:");scanf("%s",stu[i].classnumber);break;case 2:printf("请输入修改后的姓名:");scanf("%s",stu[i].name);break;case 3:printf("请输入修改后的性别:");scanf("%s",stu[i].sex);break;case 4:printf("请输入修改后的年龄:");scanf("%d",&stu[i].age);break;case 5:printf("请输入修改后的生日:");scanf("%s",stu[i].birthday);break;case 6:printf("请输入修改后的家庭住址:");scanf("%s",stu[i].homeaddress);break;case 7:printf("请输入修改后的家庭电话号码:");scanf("%s",stu[i].hometelnum);break;default :printf("对不起，输入错误!\n");/*int getch();change();break;*/}save(n);}}void menu(){int n;system("cls");printf("\n\t\t*******************************************\n");printf("\n\t\t*******************************************\n");printf("\t\t\t欢迎使用学生学籍管理系统\n");printf(" \n");printf("\t\t<功能列表>\n");printf("\n\t\t1)添加新生信息");printf("\n\t\t2)删除学生信息");printf("\n\t\t3)显示学生信息");printf("\n\t\t4)查找学生信息");printf("\n\t\t5)修改学生信息");printf("\n\t\t6)退出系统");printf("\n\t\t*******************************************\n");printf("\n\t\t*******************************************\n");printf("请选择相应操作:");scanf("%d",&n);while (n>6||n<1){printf("操作错误，请重新输入:");scanf("%d",&n);}switch (n){case 1:add();break;case 2:remove();break;case 3:display();break;case 4:search();break;case 5:modify();break;default:printf("对不起，输入错误!\n");}}void main() {menu(); }。

#include<stdio.h>#include<malloc.h>#include<string.h>#include<stdlib.h>#define len sizeof(struct student)FILE *fp;struct student{long num;char name[15];int age;char sex[3];char chushen[10];char dizhi[20];char phone[11];char email[20];struct student *next;};void menu(){printf("===========学生信息管理系统==========\n\n");printf(" 1、录入学生信息\n");printf(" 2、浏览学生信息\n");printf(" 3、查询学生信息\n");printf(" 4、删除学生信息\n");printf(" 5、插入学生信息\n");printf(" 6、修改学生信息\n");printf(" 7、排序学生信息\n");printf(" 8、退出管理系统\n");printf("=====================================\n");}struct student *creat() //录入学生信息{int n;struct student *head;struct student *p1,*p2;n=0;p1=p2=(struct student *) malloc(len);scanf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s",&p1->num,&p1->age,p1->name,p1->sex,p1->chushen ,p1->dizhi,p1->phone,p1->email);head=NULL;while(p1->num!=0){n=n+1;if(n==1) head=p1;else p2->next=p1;p2=p1;p1=(struct student *)malloc(len);scanf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s",&p1->num,&p1->age,p1->name,p1->sex,p1->chu shen,p1->dizhi,p1->phone,p1->email);}p2->next=NULL;return(head);}void insert(struct student *head) //插入学生信息{int search_num;struct student *p,*q,*s;p=head;printf("在哪个学生前插入请输入学号：\n");scanf("%d",&search_num);while((p!=NULL)&&(p->num!=search_num)){q=p;p=p->next;}s=(struct student *)malloc(len);q->next=s;system("cls");printf("请输入学生信息:\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");scanf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s",&s->num,&s->age,s->name,s->sex,s->chushen,s->diz hi,s->phone,s->email);s->next=p;}void printList(struct student *head) //浏览全部学生信息{struct student *p;p=head;if(head==NULL)printf("没有学生信息!!\n");else{do{fread(p,len,1,fp);printf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s\n",p->num,p->age,p->name,p->sex,p->chushen,p->diz hi,p->phone,p->email);p=p->next;}while(p!=NULL);}}void findList_num(struct student *head,long search_num) //按学号查找{struct student *p;p=head;while((p!=NULL)&&(p->num!=search_num))p=p->next;if(p!=NULL)printf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s\n",p->num,p->age,p->name,p->sex,p->chushen,p->diz hi,p->phone,p->email);elseprintf("没有该学生信息!!\n");}void findList_name(struct student *head,char *search_name) //按姓名查找{struct student *p;int cmp1=0,cmp=0;p=head;while(p!=NULL)if(strcmp(p->name,search_name)!=0){p=p->next;cmp++;}else{printf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s\n",p->num,p->age,p->name,p->sex,p->chushen,p->dizhi,p->phone,p->email);p=p->next;cmp1=1;}if(cmp!=0&&cmp1==0)printf("没有该学生信息!!\n");}void xiugai(struct student *p1,long xiu_num) //修改学生信息{struct student *p2;p2=p1;while((p2!=NULL)&&(p2->num!=xiu_num))p2=p2->next;if(p2!=NULL){scanf("%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s",&p2->num,&p2->age,p2->name,p2->sex,p2->chu shen,p2->dizhi,p2->phone,p2->email);}elseprintf("没有该学生信息!!\n");}struct student *delList(struct student *head,long del_num) // 删除学生信息{struct student *p,*q;p=head;q=head;while(p &&(p->num != del_num)){q=p;p=p->next;}if(p==NULL)printf("无此学号!\n");else{if(p == head){head = p->next;free(p);}else{q->next = p->next;free(p);}}return head;}void paixu(struct student *head) //按学号排序{struct student *p,*f,*t;char ch[100];int i;t=f=p=head;for(p=head;p->next!=NULL;p=p->next){for(t=head,f=t->next;t->next!=NULL;t=t->next,f=f->next){if(t->num>f->num>0){i=t->num;t->num=f->num;f->num=i;i=t->age;t->age=f->age;f->age=i;strcpy(ch,t->name);strcpy(t->name,f->name);strcpy(f->name,ch);strcpy(ch,t->sex);strcpy(t->sex,f->sex);strcpy(f->sex,ch);strcpy(ch,t->chushen);strcpy(t->chushen,f->chushen);strcpy(f->chushen,ch);strcpy(ch,t->dizhi);strcpy(t->dizhi,f->dizhi);strcpy(f->dizhi,ch);strcpy(ch,t->phone);strcpy(t->phone,f->phone);strcpy(f->phone,ch);strcpy(ch,t->email);strcpy(t->email,f->email);strcpy(f->email,ch);}}}// return head;}void save(struct student *head) //保存为磁盘文件{struct student *p;if((fp=fopen("keshe","w"))==NULL){printf("cannot open this file\n");exit(0);}p=head;while(p!=NULL){fprintf(fp,"%d\n",p->num);fprintf(fp,"%d\n",p->age);fprintf(fp,"%s\n",p->name);fprintf(fp,"%s\n",p->sex);fprintf(fp,"%s\n",p->chushen);fprintf(fp,"%s\n",p->dizhi);fprintf(fp,"%s\n",p->phone);fprintf(fp,"%s\n",p->email);p=p->next;}fclose(fp);}struct student *read() //从磁盘读取文件{struct student *head=NULL;struct student *p=NULL;struct student *t=NULL;int a;// fp=fopen("keshe","r");if((fp=fopen("keshe","r"))==NULL){printf("cannot open this file\n");exit(0);}while(1){t=(struct student *)malloc(len);a=fscanf(fp,"%d\t%d\t%s\t%s\t%s\t%s\t%s\t%s",&t->num,&t->age,t->name,t->sex,t->chush en,t->dizhi,t->phone,t->email);if(a==0||a==-1)return head;t->next=NULL;if(p==NULL){p=t;head=t;}else{p->next=t;p=p->next;p->next=NULL;}}fclose(fp);}void main(){int code=0;struct student *pt = NULL;while(code!=8){menu();printf("请输入上述序号进行操作:\n");scanf("%d",&code);system("cls");switch(code){case 1:{system("cls");printf("每个学生的信息之间用Tab键分隔\n");printf("===========================录入学生信息==============================\n");printf("---------------------------------------------------------------------\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");pt=creat();save(pt);system("cls");printf("===========================录入学生信息==============================\n");printf("---------------------------------------------------------------------\n");printf("************录入学生信息成功***********!!\n");printf("按回车键返回主菜单\n");getchar();getchar();system("cls");};break;case 2:{system("cls");printf("===========================学生信息表================================\n");printf("---------------------------------------------------------------------\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");pt=read();printList(pt);printf("================================================================ =====\n");printf("---------------------------------------------------------------------\n");printf("\n按回车键返回主菜单\n");getchar();getchar();system("cls");};break;case 3:{int search=0;system("cls");printf("===========================查询学生信息==============================\n");printf("---------------------------------------------------------------------\n");while(search!=3){printf("1、按学号查询\n2、按姓名查询\n3、退出查询\n");scanf("%d",&search);switch(search){case 1:{long search_num;system("cls");printf("请输入学生学号\n");scanf("%d",&search_num);system("cls");printf("===========================查询结果==================================\n");printf("---------------------------------------------------------------------\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");findList_num(read(),search_num);printf("================================================================ =====\n");printf("---------------------------------------------------------------------\n");printf("\n按回车键返回查询菜单\n");getchar();getchar();system("cls");};break;case 2:{char search_name[15];system("cls");printf("请输入学生姓名\n");scanf("%s",search_name);system("cls");printf("===========================查询结果==================================\n");printf("---------------------------------------------------------------------\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");findList_name(read(),search_name);printf("================================================================ =====\n");printf("---------------------------------------------------------------------\n");printf("\n按回车键返回查询菜单\n");getchar();getchar();system("cls");};}}system("cls");};break;case 4:{long del_num;system("cls");printf("===========================删除学生信息==============================\n");printf("---------------------------------------------------------------------\n");printf("请输入要删除学生信息的学号:\n");scanf("%d",&del_num);system("cls");pt=delList(read(),del_num);save(pt);printf("===========================删除结果================================\n");printf("-------------------------------------------------------------------\n");printf("学号为%d的学生信息成功删除\n",del_num);printf("\n按回车键返回主菜单\n");getchar();getchar();system("cls");};break;case 5:{system("cls");printf("每个学生的信息之间用Tab键分隔\n");printf("===========================插入学生信息==============================\n");printf("---------------------------------------------------------------------\n");insert(pt);save(pt);system("cls");printf("===========================插入学生信息==============================\n");printf("---------------------------------------------------------------------\n");printf("****插入学生信息成功***!!\n\n");printf("按回车键返回主菜单\n");getchar();getchar();system("cls");}break;case 6:{long search_num;system("cls");printf("请输入要修改的学生学号:\n");scanf("%d",&search_num);system("cls");printf("每个学生的信息之间用Tab键分隔\n");printf("===========================修改学生信息==================================\n");printf("-------------------------------------------------------------------------\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");findList_num(read(),search_num);printf("\n");printf("请输入修改信息:\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");pt=read();xiugai(pt,search_num);save(pt);printf("================================================================ =====\n");printf("---------------------------------------------------------------------\n");printf("****修改学生信息成功***!!\n\n");printf("\n按回车键返回查询菜单\n");getchar();getchar();system("cls");};break;case 7:{system("cls");printf(" 按学号从小到大排序\n\n");printf("===========================学生信息表================================\n");printf("---------------------------------------------------------------------\n");printf("学号\t年龄\t姓名\t性别\t出生\t地址\t电话\te-mail\n");pt=read();paixu(pt);printList(pt);save(pt);printf("================================================================ =====\n");printf("---------------------------------------------------------------------\n");printf("\n按回车键返回主菜单\n");getchar();getchar();system("cls");};break;case 8:read();break;}}}。

学生管理系统c语言简单版学生管理系统c语言简单版介绍：学生管理系统是一种用于管理学生信息的软件，它可以方便地对学生的基本信息、课程成绩等进行录入、查询、修改和删除等操作。

本文将介绍如何使用C语言编写一个简单的学生管理系统。

功能：1. 添加学生信息2. 查询学生信息3. 修改学生信息4. 删除学生信息5. 显示所有学生信息实现方法：1. 添加学生信息添加学生信息需要输入以下内容：姓名、性别、年龄、班级和电话号码。

我们可以定义一个结构体来存储这些信息，代码如下：```struct Student {char name[20];char sex[10];int age;char class[20];char phone[20];};```然后定义一个数组来存储多个学生的信息：```struct Student students[100];int count = 0; // 学生数量```接下来，我们可以编写一个函数来添加新的学生信息：```void addStudent() {struct Student student;printf("请输入姓名：");scanf("%s", );printf("请输入性别：");scanf("%s", student.sex);printf("请输入年龄：");scanf("%d", &student.age);printf("请输入班级：");scanf("%s", student.class);printf("请输入电话号码：");scanf("%s", student.phone);students[count++] = student; // 将新的学生信息存储到数组中 printf("添加成功！\n");}```2. 查询学生信息查询学生信息可以按照姓名或电话号码进行查询。

说明：只提供源代码，有些需要自己创建文件请自行建立。

#include<stdio.h> /*I/O函数*/#include <conio.h>#include<stdlib.h> /*其它说明*/#include<string.h> /*字符串函数*/#define LEN 15 /* 学号和姓名最大字符数,实际请更改*/#define N 100 /* 最大学生人数,实际请更改*/struct record /*结构体*/{char code[LEN+1]; /* 学号*/char name[LEN+1]; /* 姓名*/int age; /* 年龄*/char sex[3]; /* 性别*/char time[LEN+1]; /* 出生年月*/char add[30]; /* 家庭地址*/char tel[LEN+1]; /* 电话号码*/char mail[30]; /* 电子邮件地址*/char password[20];/*密码*/char maogao[20];char gaoshu[20];char cyuyan[20];}stu[N];int k=1,n,m; /* 定义全局变量*/void readfile();/* 函数声明*/void seek();void modify();void insert();void del();void display();void save();void menu();void panduan();void mima();void students();void xueshengdenglu();void LogOn();void readfile1();void readfile2();void modify1();void mimacharge();void GetPassword(char *szFinalPass);void teachlogon();void insertchengji();int main(){ system("color 1a");while(k)panduan();system("pause");return 0;}void teachlogon(){}void insertchengji(){int i,k,item,num;k=0;char sex1[3],s1[LEN+1],s2[LEN+1]; /* 以姓名和学号最长长度+1为准*/ printf("请输入要要修改的学生的学号:");scanf("%s",s1);for(i=0;i<n;i++)if(strcmp(stu[i].code,s1)==0) /*比较字符串是否相等*/{ k=1;printf("\n\n") ;printf("::∴★∵**☆．∴★∵**☆． 1.登记毛概分数\n");printf(" █████．☆．∵★∵∴☆． 2.登记高数分数\n");printf(" █田█田█．*☆．∴★∵． 3.登记C语言分数\n"); printf(" █田█田█．★∵∴☆．★∵∴．4.返回上层菜单\n");printf(" █田█田█．★∵∴☆．★..**．\n");printf(" █田█田█．★★∵∴☆．★*☆．\n");printf(" █████．\n");printf("◢██□██◣．~~~~~*^_^* \n ");printf("------------------\n");printf("------------------\n");while(1){printf("\n请选择子菜单编号:");scanf("%d",&item);switch(item){case 1:printf("\n请输入毛概分数:");scanf("%s",s2);strcpy(stu[i].maogao,s2);save();printf("\t\t\tO(∩_∩)O登录成功\n"); break;case 2:printf("\n请输入高数分数:");scanf("%s",stu[i].gaoshu);save();printf("\t\t\tO(∩_∩)O修改成功\n");break;case 3:printf("\n请输入C语言分数:");scanf("%s",sex1);strcpy(stu[i].cyuyan,sex1); save();printf("\t\t\tO(∩_∩)O修改成功\n");break;case 4:panduan();break;default:printf("\n请在-8之间选择\n");}}}if(k==0){printf("\n\t\t*****/(ㄒoㄒ)/~~输入的学号有误*******\n\n");system("pause");system("cls");menu();}}void panduan(){char i,j;printf("\n∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞【学生信息管理系统】∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞\n");printf(" --------------------------------系统菜单显示如下------------------------------");printf("\n");printf("\n\t ①============【学生登录】\n");printf("\n\t ②============【管理员登录】\n");printf("\n\t ③============【退出系统】\n");printf("\n\n");printf("\t\t＃〓§〓〓〓〓〓§〓〓〓〓〓〓§〓〓〓〓〓§〓＃\n");printf("\t\t↓↓↓↓\n");printf("\t\t☆★☆☆★☆☆★☆☆★☆\n");printf("\t\t☆北☆☆京☆☆化☆☆工☆\n");printf("\t\t☆★☆☆★☆☆★☆☆★☆\n");printf("\t\t↓↓↓↓\n");printf("\t\t※※※※\n");scanf("%s",&i);switch(i){case('1'):system("cls");students();break;case('2'):system("cls");mima();break;case('3'): exit(0);break;case('4'):insertchengji();break;default:printf("请在1-3之间选择\n");}}void mimacharge(){ char username[16],password[20],password1[20],password2[20],q;int i,j,num,item;int k=0;printf("\n\n");printf(" 请输入学号: ");scanf("%s",username);for(i=0;i<=n;i++)if(strcmp(stu[i].code,username)==0){k=1;printf("\n\n");printf(" 请输入密码:");scanf(" %s",password);if(strcmp(stu[i].password,password) ==0){ printf("\n\n");printf(" 请输入新的密码: ");scanf(" %s",password1);printf("\n\n");printf(" 请再次输入新密码: ");scanf("%s",password2);if(strcmp(password1,password2)==0){strcpy(stu[i].password,password1);save();printf("\n\n");printf(" 密码修改完毕\n");printf("\n\n");printf(" 按任意键返回上层菜单");system("pause");students();}else{system("cls");printf("\n\n");printf(" 两次输入的密码不一致，请重新输入\n");mimacharge();}}else{ printf("\n\n");system("cls");printf("\n\n");printf(" 输入密码有误，请重新输入\n");mimacharge();}}if (k==0){system("cls");printf("\n\n");printf(" 输入的学号有误,请重新输入\n");mimacharge();}}void modify1(){char username[20],password[20];char szPassword[128];char sex1[3],s1[LEN+1],s2[LEN+1];int i,j,num,item;int k=0;printf("\n 请输入学号:");scanf("%s",username);for(i=0;i<n;i++)if(strcmp(stu[i].code,username)==0){ int k=1;printf("\n 请输入密码(默认密码为0000):"); //开始以不回显且支持退格方式获取输入密码GetPassword(szPassword);if(strcmp(stu[i].password,szPassword) ==0){ system("cls");printf("\n\t\t\t\t登录成功!\n\n\n");num=i;printf("::∴★∵**☆．∴★∵**☆． 1.修改姓名\n");printf(" █████．☆．∵★∵∴☆． 2.修改年龄\n");printf(" █田█田█．*☆．∴★∵． 3.修改性别\n");printf(" █田█田█．★∵∴☆．★∵∴．4.修改出生年月\n");printf(" █田█田█．★∵∴☆．★..**．5.修改地址\n");printf(" █田█田█．★★∵∴☆．★*☆．6.修改电话号码\n");printf(" █████．7.修改E-mail地址\n"); printf("◢██□██◣．~~~~~*^_^* 8.退出本菜单\n ");printf("------------------\n");printf("------------------\n");while(1){printf("请选择子菜单编号:");scanf("%d",&item);switch(item){case 1:printf("请输入新的姓名:\n");scanf("%s",s2);strcpy(stu[num].name,s2); save();printf("\t\t\tO(∩_∩)O修改成功\n");break; case 2:printf("请输入新的年龄:\n");scanf("%d",&stu[num].age);save();printf("\t\t\tO(∩_∩)O修改成功\n");break; case 3:printf("请输入新的性别:\n");scanf("%s",sex1);strcpy(stu[num].sex,sex1);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break; case 4:printf("请输入新的出生年月:\n");scanf("%s",s2);strcpy(stu[num].time,s2);save(); printf("\t\t\tO(∩_∩)O修改成功\n");break; case 5:printf("请输入新的地址:\n");scanf("%s",s2);strcpy(stu[num].add,s2);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break;printf("请输入新的电话号码:\n");scanf("%s",s2);strcpy(stu[num].tel,s2);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break;case 7:printf("请输入新的E-mail地址:\n");scanf("%s",s2);strcpy(stu[num].mail,s2);save(); printf("\t\t\tO(∩_∩)O修改成功\n");break;case 8:students();break;default:printf("请在0-8之间选择\n");}}}else{ system("cls");printf("\n\t**************~~~~(>_<)~~~~ 输入密码有误**************\n");modify1();}}if(k==0){ system("cls");printf("\n");printf("\n\t*******~~~~(>_<)~~~~ 输入的学号有误,请重新输入**********\n");modify1();}}void lookchengji(){char szFinalPass[30];char szPassword[128];char s1[21],password[20];int i,j;int k=0;printf("\n 请输入学号:");scanf("%s",s1);for(i=0;i<=n;i++)if(strcmp(stu[i].code,s1)==0){k=1;printf("\n 请输入密码(默认密码为0000):"); //开始以不回显且支持退格方式获取输入密码GetPassword(szPassword);if(strcmp(stu[i].password,szPassword) ==0){system("cls");printf("\n\n\n");printf("------------------------你的信息如下----------------------------------\n");printf("\n");printf("毛概成绩高数成绩C语言成绩\n");printf("--------------------------------------------------------------------\n");printf("%7s %6s %6s\n",stu[i].maogao,stu[i].gaoshu,stu[i].cyuyan);printf("--------------------------------------------------------------------\n");printf("\n");printf("\n");printf("\n\n按任意键返回学生菜单");system("pause") ;students();}else{system("cls");printf("\n***************~~~~(>_<)~~~~ 输入密码有误，请重新输入**********************\n");LogOn();}if (k==0){ system("cls");printf("\n");printf("\t\t*********(>_<)****输入的学号有误,请重新输入**********\n");}LogOn();}void LogOn(){char szFinalPass[30];char szPassword[128];char s1[21],password[20];int i,j;int k=0;printf("\n 请输入学号:");scanf("%s",s1);for(i=0;i<=n;i++)if(strcmp(stu[i].code,s1)==0){k=1;printf("\n 请输入密码(默认密码为0000):"); //开始以不回显且支持退格方式获取输入密码GetPassword(szPassword);if(strcmp(stu[i].password,szPassword) ==0){system("cls");printf("\n\n\n");printf("------------------------你的信息如下----------------------------------\n");printf("\n");printf("学生学号学生姓名年龄性别出生年月地址电话printf("--------------------------------------------------------------------\n");printf("%6s %7s %6d %5s %9s %8s %10s %14s\n",stu[i].code,stu[i].name,stu[i].age,stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail);printf("--------------------------------------------------------------------\n");printf("\n");printf("\b");printf("\n\n按任意键返回学生菜单");system("pause") ;students();}else{system("cls");printf("\n***************~~~~(>_<)~~~~ 输入密码有误，请重新输入**********************\n");LogOn();}}if (k==0){ system("cls");printf("\n");printf("\t\t*********(>_<)****输入的学号有误,请重新输入**********\n");}LogOn();}void mima(){char szFinalPass[30];char szPassword[128];int k;char j1[20]="123";printf("\n\n");printf(" 请输入管理员密码：");GetPassword(szPassword);if(strcmp(j1,szPassword)==0){k=1;}else{k=2;}switch(k){case(1):system("cls");menu();break;case(2): printf("\n\n 输入的密码有误,按任意键返回上层菜单！\n");system("pause");system("cls");panduan();break;}}void students(){int i;readfile1();printf("\n\n");printf(" ********O(∩_∩)O欢迎您来到学生信息查询系统**********\n");printf("\n\n");printf(" 您需要以下哪项功能请输入对应数字O(∩_∩)O \n") ;printf("\n\n");printf("\t﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩\n");printf("\t﹩﹩\n");printf("\t﹩欢迎使用﹩\n");printf("\t﹩﹩\n");printf("\t﹩0 .刷新学生信息﹩\n");printf("\t﹩﹩\n");printf("\t﹩ 1.查看学生信息﹩\n");printf("\t﹩﹩\n");printf("\t﹩ 2.修改学生信息﹩\n");printf("\t﹩﹩\n");printf("\t﹩ 3.修改密码﹩\n");printf("\t﹩﹩\n");printf("\t﹩ 4.查看学生成绩﹩\n");printf("\t﹩﹩\n");printf("\t﹩ 5.返回上层菜单﹩\n");printf("\t﹩﹩\n");printf("\t﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩﹩\n");scanf("%d",&i);switch(i){case(0):system("cls");readfile2();break;case(1):system("cls");LogOn();break;case(2):system("cls");modify1();break;case(3):system("cls");mimacharge();break;case(4):system("cls");lookchengji();break;case(5):system("cls");panduan();break;default:system("cls");printf("\n\n 请输入0-5的数字,按任意键返回上一菜单\n");system("pause");students();break;}}void help(){printf("\n0.欢迎使用系统帮助！\n");printf("\n1.本系统由309为您提供;\n");printf("\n2.按照菜单提示键入数字代号;\n");printf("\n3.如有疑问或者遇到bug请联系309小组;\n");printf("\n4.谢谢您的使用！O(∩_∩)O\n\n\n");void readfile1()/* 建立信息*/{char *p="student.txt";FILE *fp;int i=0;if ((fp=fopen("D:\\student.txt","r"))==NULL){printf("Open file %s error! Strike any key to exit!",p);system("pause");exit(0);}while(fscanf(fp,"%s %s%d%s %s %s %s %s %s %s %s %s ",stu[i].code,stu[i].name,&stu[i].age, stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail,stu[i].password,stu[i].maogao,stu[i].gaoshu,stu[ i].cyuyan)==12){i++;i=i;}fclose(fp);n=i;}void readfile2()/* 建立信息*/{char *p="student.txt";FILE *fp;int i=0;if ((fp=fopen("D:\\student.txt","r"))==NULL){printf("Open file %s error! Strike any key to exit!",p);system("pause");exit(0);}while(fscanf(fp,"%s %s %d %s %s %s %s %s %s %s %s %s",stu[i].code,stu[i].name,&stu[i]. age,stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail,stu[i].password,stu[i].maogao,stu[i].gaoshu,stu[i].cyuyan)==12){i++;i=i;}fclose(fp);n=i;students();}void readfile()/* 建立信息*/{char *p="student.txt";FILE *fp;int i=0;if ((fp=fopen("D:\\student.txt","r"))==NULL){printf("Open file %s error! Strike any key to exit!",p);system("pause");exit(0);}while(fscanf(fp,"%s %s%d%s %s %s %s %s %s %s %s %s ",stu[i].code,stu[i].name,&stu[i].age, stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail,stu[i].password,stu[i].maogao,stu[i].gaoshu,stu[i].cyuyan)==12){i++;i=i;}fclose(fp);n=i;}void seek() /*查找*/{int i,item,flag;char s1[21]; /* 以姓名和学号最长长度+1为准*/printf("\n\t\t********O(∩_∩)O欢迎来到查询系统，请按提示操作******\n\n");printf("╭⌒╮¤` \n") ;printf("╭╭⌒╮●╭○╮ 1.按学号查询\n");printf("╰----╯/█∨█\\ 2.按姓名查询\n");printf("~~~~~~~~~~∏~~∏~~~~~~~~~~~ 3.返回上层菜单\n");while(1){printf("\n请选择子菜单编号:");scanf("%d",&item);flag=0;switch(item){case 1:printf("\n请输入要查询的学生的学号:");scanf("%s",s1);for(i=0;i<n;i++)if(strcmp(stu[i].code,s1)==0){flag=1;printf("\n\n\t\t\tO(∩_∩)O~~您要查找的信息如下\n\n");printf("学生学号学生姓名年龄性别出生年月地址电话E-mail\n"); printf("--------------------------------------------------------------------\n");printf("%6s %7s %6d %5s %9s %8s %10s %14s\n",stu[i].code,stu[i].name,stu[i].age, stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail);printf("\n\n");system("pause");system("cls");seek();break;}if(flag==0){system("cls");printf("\n\t\t\t~~o(>_<)o ~~该学号不存在,请重新选择*********\n");seek();break;};break;case 2:printf("\n请输入要查询的学生的姓名:");scanf("%s",s1);for(i=0;i<n;i++)if(strcmp(stu[i].name,s1)==0){flag=1;printf("\n\n\t\t\tO(∩_∩)O~~您要查找的信息如下\n\n");printf("学生学号学生姓名年龄性别出生年月地址电话E-mail\n"); printf("--------------------------------------------------------------------\n");printf("%6s %7s %6d %5s %9s %8s %10s %14s\n",stu[i].code,stu[i].name,stu[i].age, stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail);printf("\n\n");system("pause");system("cls");seek();}if(flag==0){ system("cls");printf("\n\t\t\t~~o(>_<)o ~~该姓名不存在*********\n");seek();}break;case 3:system("cls");menu();break;default:system("cls");printf("\n\t\t\t***~\(≧▽≦)/~请在1-3之间选择********\n");seek();}}}void modify() /*修改信息*/{int i,k,item,num;k=0;char sex1[3],s1[LEN+1],s2[LEN+1]; /* 以姓名和学号最长长度+1为准*/ printf("请输入要要修改的学生的学号:");scanf("%s",s1);for(i=0;i<n;i++)if(strcmp(stu[i].code,s1)==0) /*比较字符串是否相等*/{ k=1;num=i;printf("\n\n") ;printf("::∴★∵**☆．∴★∵**☆． 1.修改姓名\n");printf(" █████．☆．∵★∵∴☆． 2.修改年龄\n");printf(" █田█田█．*☆．∴★∵． 3.修改性别\n");printf(" █田█田█．★∵∴☆．★∵∴．4.修改出生年月\n"); printf(" █田█田█．★∵∴☆．★..**．5.修改地址\n");printf(" █田█田█．★★∵∴☆．★*☆．6.修改电话号码\n"); printf(" █████．7.修改E-mail地址\n"); printf("◢██□██◣．~~~~~*^_^* 8.退出本菜单\n ");printf("------------------\n");printf("------------------\n");while(1){printf("\n请选择子菜单编号:");scanf("%d",&item);switch(item){case 1:printf("\n请输入新的姓名:");scanf("%s",s2);strcpy(stu[num].name,s2);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break; case 2:printf("\n请输入新的年龄:");scanf("%d",&stu[num].age);save();printf("\t\t\tO(∩_∩)O修改成功\n");break; case 3:printf("\n请输入新的性别:");scanf("%s",sex1);strcpy(stu[num].sex,sex1); save();printf("\t\t\tO(∩_∩)O修改成功\n");break; case 4:printf("\n请输入新的出生年月:");scanf("%s",s2);strcpy(stu[num].time,s2); save();printf("\t\t\tO(∩_∩)O修改成功\n");break; case 5:printf("\n请输入新的地址:");scanf("%s",s2);strcpy(stu[num].add,s2);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break; case 6:printf("\n请输入新的电话号码:");scanf("%s",s2);strcpy(stu[num].tel,s2);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break; case 7:printf("\n请输入新的E-mail地址:");scanf("%s",s2);strcpy(stu[num].mail,s2);save();printf("\t\t\tO(∩_∩)O修改成功\n"); break; case 8:system("cls");menu();break;default:printf("\n请在-8之间选择\n");}}}if(k==0){printf("\n\t\t*****/(ㄒoㄒ)/~~输入的学号有误*******\n\n");system("pause");system("cls");menu();}}void sort()/*按学号排序*/{int i,j,*p,*q,s;char temp[10];for(i=0;i<n-1;i++){for(j=n-1;j>i;j--)if(strcmp(stu[j-1].code,stu[j].code)>0) {strcpy(temp,stu[j-1].code);strcpy(stu[j-1].code,stu[j].code); strcpy(stu[j].code,temp);strcpy(temp,stu[j-1].name);strcpy(stu[j-1].name,stu[j].name); strcpy(stu[j].name,temp);strcpy(temp,stu[j-1].sex);strcpy(stu[j-1].sex,stu[j].sex);strcpy(stu[j].sex,temp);strcpy(temp,stu[j-1].time);strcpy(stu[j-1].time,stu[j].time); strcpy(stu[j].time,temp);strcpy(temp,stu[j-1].add);strcpy(stu[j-1].add,stu[j].add); strcpy(stu[j].add,temp);strcpy(temp,stu[j-1].tel);strcpy(stu[j-1].tel,stu[j].tel);strcpy(stu[j].tel,temp);strcpy(temp,stu[j-1].mail);strcpy(stu[j-1].mail,stu[j].mail); strcpy(stu[j].mail,temp);p=&stu[j-1].age;q=&stu[j].age;s=*q;*q=*p;*p=s;}}}void insert() /*插入函数*/{ char s1[20]="0000";int i=n,j,flag;printf("请输入待增加的学生数:\n"); scanf("%d",&m);do{flag=1;while(flag){flag=0;printf("请输入第%d 个学生的学号:\n",i+1);scanf("%s",stu[i].code);for(j=0;j<i;j++)if(strcmp(stu[i].code,stu[j].code)==0){printf("已有该学号,请检查后重新录入!\n");flag=1;break; /*如有重复立即退出该层循环,提高判断速度*/}}printf("请输入第%d 个学生的姓名:\n",i+1);scanf("%s",stu[i].name);printf("请输入第%d 个学生的年龄:\n",i+1);scanf("%d",&stu[i].age);printf("请输入第%d 个学生的性别:\n",i+1);scanf("%s",stu[i].sex);printf("请输入第%d 个学生的出生年月:(格式:年.月)\n",i+1); scanf("%s",stu[i].time);printf("请输入第%d 个学生的地址:\n",i+1);scanf("%s",stu[i].add);printf("请输入第%d 个学生的电话:\n",i+1);scanf("%s",stu[i].tel);printf("请输入第%d 个学生的E-mail:\n",i+1);scanf("%s",stu[i].mail);strcpy(stu[i].password,s1);if(flag==0){i=i;i++;}}while(i<n+m);n+=m;printf("录入完毕！\n\n");save();system("pause");system("cls");menu();}void del(){int i,j,flag=0;char s1[LEN+1];printf("请输入要删除学生的学号:\n");scanf("%s",s1);for(i=0;i<n;i++)if(strcmp(stu[i].code,s1)==0){flag=1;for(j=i;j<n-1;j++)stu[j]=stu[j+1];}if(flag==0){printf("\n\t\t****(⊙o⊙)…该学号不存在&&******\n");printf("\n");system("pause");system("cls");menu();}if(flag==1){printf("删除成功,显示结果请选择菜单\n");n--;save();printf("\n");system("pause");system("cls");menu();}}void display(){int i;printf("所有学生的信息为:\n");printf("学生学号学生姓名年龄性别出生年月地址电话E-mail\n"); printf("--------------------------------------------------------------------\n");for(i=0;i<n;i++){printf("%6s %7s %5d %5s %9s %8s %10s %14s\n",stu[i].code,stu[i].name,stu[i].age, stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail);}printf("\n\n");system("pause");system("cls");menu();}void save(){sort();int i;FILE *fp;fp=fopen("D:\\student.txt","w"); /*写入*/for(i=0;i<n;i++){fprintf(fp,"%s %s %d %s %s %s %s %s %s %s %s %s\n",stu[i].code,stu[i].name,stu[i].age,stu[i].sex,stu[i].time,stu[i].add,stu[i].tel,stu[i].mail,stu[i].password,stu[i].maogao,stu[i].gaoshu,stu[ i].cyuyan);}fclose(fp);}void menu()/* 界面*/{readfile();char num;printf("\n∞∞∞∞∞∞∞∞∞∞【学生信息管理系统（管理员界面）】∞∞∞∞∞∞∞∞∞∞∞∞∞\n");printf(" --------------------------------系统菜单显示如下------------------------------");printf("\n\t①===============【帮助信息】\n");printf("\n\t②===============【刷新数据】\n");printf("\n\t③===============【查询学生信息】\n");printf("\n\t④===============【修改学生信息】\n");printf("\n\t⑤===============【添加学生信息】\n");printf("\n\t⑥===============【删除学生信息】\n");printf("\n\t⑦===============【显示学生信息】\n");printf("\n\t⑧===============【保存学生信息】\n");printf("\n\t⑨===============【返回上层菜单】\n"); printf("请选择菜单编号:");scanf("%s",&num);switch(num){case '1':system("cls");help();system("pause");system("cls");menu();break;case '2':readfile();system("cls");menu();break;case '3':system("cls");seek();break;case '4':system("cls");modify();break;case '5':system("cls");insert();break;case '6':system("cls");del();break;case '7':system("cls");display();break;case '8':system("cls");save();system("cls");printf("\n\t\t\t$$$$O(∩_∩)O~~已保存信息&&&&&&\n\n");system("pause");system("cls");menu();break;case '9':system("cls");panduan();break;default:system("cls");printf("请在1-9之间选择\n");system("pause");system("cls");menu();}}void GetPassword(char *szFinalPass){char chValue,szPassword[20];int iCounter = 0; //定义计数器while ( 1 ){if( ( chValue = getch() ) != '\r' ) //如果输入的不是回车{if( chValue != '\b' ) //如果输入的不是退格{if ( iCounter <20) //如果长度并未超过密码的最大长度{szPassword[iCounter] = chValue;putchar( '*' ); //在屏幕上显示星号iCounter ++;}else{putchar( '\7' ); //如果密码已经超过最大长度，则响铃报警}}else{if( iCounter != 0 ) //如果按了退格，并且当前不是第一个字符{iCounter --;printf( "\b \b" ); //注意两个\b之间是有个空格的，含义是先退格，//然后打印空白字符将之前的字符覆盖掉，然后再退格使光标退回}}}else{szPassword[iCounter] = 0; //密码输入结束时将末尾以\0结尾！break;}}strcpy( szFinalPass ,szPassword ); //最终将密码复制出来}。

学籍管理系统设计学籍管理系统管理学生的基本信息与各科目成绩。

功能如下：1 学生（10个学生），每个学生是一个纪录，包括的信息有：班级、学号、姓名、C语言成绩、高数成绩、英语成绩、平均成绩等。

可以对学生的基本信息进行录入（保存到一个文件中），修改（某个学生的记录），删除（某个学生的记录），显示所有学生的信息；2 可计算每个学生的平均分；3能按学号查询单个学生的信息；4按平均成绩排序；5系统可以扩充，能管理更多学生和更多的课程。

（提示：通过宏定义来实现如：define N 10define M 3）（10，39，72，52，04）#include<stdio.h>#include<string.h>#define N 100struct date_type{int year;int month;int day;};struct baoming{char name[10];char sex[4];char address[10];int class1;int num;struct date_type date1;};struct kaichu{struct date_type date2;};struct zhuanxue{struct date_type date3;char academy [10];};struct lixiao{struct date_type date4;char quxiang[10];};struct stud_type{struct baoming bm;struct kaichu kc;struct zhuanxue zx;struct lixiao lx;char k[3];int jilu;};struct stud_type stu[N];void duru(struct stud_type stu[]); /*数据读入*/void Add(struct stud_type stu[]); /*入校、离校登记*/void Delete(struct stud_type stu[]); /*删除学生*/void Modify(struct stud_type stu[]); /*修改学生*/void Search(struct stud_type stu[]); /*查询学生*/void Print(struct stud_type stu[]); /*输出所有学生信息*/void Save(struct stud_type stu[]); /*数据存盘*/int r=0;void main(){int x;duru(stu);do{printf("\t\t｜※※※※※※※※※※※※※※※※※※※※※※※※※｜\n");printf("\t\t｜※学籍管理※｜\n");printf("\t\t ---------------------------------------------------- \n");printf("\t\t｜※项目经理：Obama ※｜\n");printf("\t\t｜※※｜\n");printf("\t\t｜※组长：Bush ※｜\n");printf("\t\t｜※组员：。

学生管理系统c语言源代码学生管理系统c语言源代码#include stdio.h#include dos.h#include string.h#include stdlib.h#include malloc.h#define SIZE 8struct student{char name;char num;int score;float ave;struct student *next;}stu[SIZE],temp,s;void shuru(){int i,j,sum,length,flag=1,a;FILE *fp;while(flag==1){printf(“Define a rangeclass number:");scanf("%d",printf("Input the total number of the class(a):"); scanf("%d",length);if(lengtha)flag=0;}for(i=0;ilength;i++){printf("\n请输入学生的信息:");printf("\n输入姓名:");scanf("%s",stu[i].name);printf("\n输入序号.:");scanf("%s",stu[i].num);printf("\n输入成绩:\n");sum=0;for(j=0;jj++){printf("score %d:",j+1);scanf("%d",stu[i].score[j]);sum+=stu[i].score[j];}stu[i].ave=sum/3.0;}学生管理系统c语言源代码fp=fopen("stu1.txt","w");for(i=0;ilength;i++)if(fwrite(stu[i],sizeof(struct student),1,fp)!=1)printf("File write error\n");fclose(fp);fp=fopen("stu1.txt","r");printf("\name\ NO. score1 score2 score3 sum ave\n");for(i=0;ilength;i++){fread(stu[i],sizeof(struct student),1,fp);printf("%3s%5s%7d%7d%7d%7d%10.2f\n",stu[i].name,stu[i].num,stu[i ].score,stu[i].score,stu[i].score,sum=stu[i].score+stu[i].score+stu[i].score,stu[i].ave);}}void chaxun(){ FILE *fp, *fp1;char n,name;int i,j,k,t,m,flag=1;if((fp=fopen("stu1.txt","r"))==NULL){printf("Can not open the file.");exit(0);}printf("\noriginal data:\n");k=i;printf("\nPlease select the menu(1.number ):"); scanf("%d",switch(m){case 1:printf("\nchaxun number:");scanf("%s",n);for(flag=1,i=0;ii++){if(strcmp(n,stu[i].num)==0){j=i;flag=0;break;}}break;case 2:printf("\nchaxun name:");scanf("%s",name);for(flag=1,i=0;ii++){if(strcmp(name,stu[i].name)==0){j=i;flag=0;break;学生管理系统c语言源代码}}}if(!flag){printf("\nYou can find:\n");fp1=fopen("stu2.txt","w");printf(" name NO. score1 score2 score3ave\n");fwrite(stu[j],sizeof(struct student),1,fp1);printf("%-15s%11s%7d%7d%7d%10.2f",stu[j].name,stu[j].num,stu[j].score,stu[j].score,stu[j].score,stu[j].ave);}else printf("\nNot found!");fclose(fp);fclose(fp1);}xiugai(){ int a;printf("\nplease select the menu(1.CHARU 2.__ ):");scanf("%d",switch(a){case 1:Insert(); break;case 2:Delete(); break;}}Insert(){ FILE *fp;int i,j,t,n;printf("\nNO.:");scanf("%s",s.num);printf("name:");scanf("%s",);printf("score1,score2,score3:");scanf("%d,%d,%d",s.score,s.score,s.score);s.ave=(s.score+s.score+s.score)/3.0;if((fp=fopen("stu1.txt","r"))==NULL){printf("Can not open the file.");exit(0);}printf("\noriginal data:\n");for(i=0;fread(stu[i],sizeof(struct student),1,fp)!=0;i++) {printf("\n%-15s%11s",stu[i].name,stu[i].num);for(j=0;jj++)学生管理系统c语言源代码printf("%7d",stu[i].score[j]);printf("%10.2f",stu[i].ave);}fclose(fp);n=i;for(t=0;stu[t].aves.avett++);printf("\nnow:\n");fp=fopen("stu1.txt","w");for(i=0;ii++){fwrite(stu[i],sizeof(struct student),1,fp);printf("\n%-15s%11s",stu[i].name,stu[i].num);for(j=0;jj++)printf("%7d",stu[i].score[j]);printf("%10.2f",stu[i].ave);}fwrite(s,sizeof(struct student),1,fp);printf("\n%-15s%11s%7d%7d%7d%10.2f",,s.num,s.score,s.score, s.score,s.ave);for(i=t;ii++){fwrite(stu[i],sizeof(struct student),1,fp);printf("\n%-15s%11s",stu[i].name,stu[i].num);for(j=0;jj++)printf("%7d",stu[i].score[j]);printf("%10.2f",stu[i].ave);}fclose(fp);}Delete(){ FILE *fp;int i,j,t,n,flag;char number;if((fp=fopen("stu1.txt","rb"))==NULL){printf("Can not open the file.");exit(0);}printf("\noriginal data:");for(i=0;fread(stu[i],sizeof(struct student),1,fp)!=0;i++) {printf("\n%-15s%11s",stu[i].name,stu[i].num);for(j=0;jj++)printf("%7d",stu[i].score[j]);printf("%10.2f",stu[i].ave);}fclose(fp);n=i;学生管理系统c语言源代码printf("\nInput number deleted:");scanf("%s",number);for(flag=1,i=0;flagii++){if(strcmp(number,stu[i].num)==0){for(t=i;tt++){strcpy(stu[t].num,stu[t+1].num);strcpy(stu[t].name,stu[t+1].name);for(j=0;jj++)stu[t].score[j]=stu[t+1].score[j];stu[t].ave=stu[t+1].ave;}n=n-1;elseprintf("\n Not found!");printf("\nNow,the content of file:\n");fp=fopen("stu1.txt","wb");for(i=0;ii++)fwrite(stu[i],sizeof(struct student),1,fp);fclose(fp);fp=fopen("stu1.txt","r");for(i=0;fread(stu[i],sizeof(struct student),1,fp)!=0;i++)printf("%-15s%11s%7d%7d%7d%10.2f\n",stu[i].name,stu[i].num,stu[i].score, stu[i].score,stu[i].score,stu[i].ave);fclose(fp);}paixu(){FILE *fp;int i,j,n;if((fp=fopen("stu1.txt","r"))==NULL){printf("Can not open the file.");exit(0);}printf("\nfile'stu1.txt':");for(i=0;fread(stu[i],sizeof(struct student),1,fp)!=0;i++) {printf("\n%-15s%11s",stu[i].name,stu[i].num);for(j=0;jj++)printf("%7d",stu[i].score[j]);printf("%10.2f",stu[i].ave);}fclose(fp);n=i;for(i=0;ii++)for(j=i+1;jj++)学生管理系统c语言源代码if(stu[i].avestu[j].ave){temp=stu[i];stu[i]=stu[j];stu[j]=temp;}printf("\nnow:");fp=fopen("stu1.txt","w");for(i=0;ii++){fwrite(stu[i],sizeof(struct student),1,fp);printf("\n%-15s%11s",stu[i].name,stu[i].num);tongji(){ FILE *fp;int i,j,k,labe1,b;int a5=0;int a6=0;int a7=0;int a8=0;int a9=0; int a10=0; float t;if((fp=fopen("stu1.txt","r"))==NULL){printf("Can not open the file.");exit(0);}printf("\nfile'stu1.txt':");for(i=0;fread(stu[i],sizeof(struct student),1,fp)!=0;i++){printf("\n%-15s%11s",stu[i].name,stu[i].num); for(j=0;jj++)printf("%7d",stu[i].score[j]);printf("%10.2f",stu[i].ave);}fclose(fp);k=i;for(i=0;ii++){labe1=0;if(stu[i].ave60){labe1++;t=labe1/(float)k*100;}}printf("\nbujigelv:");printf("%f%",t);printf("\n");for(j=0;jj++){a5=0;a6=0;a7=0;a8=0;a9=0;a10=0;k=i;printf("kemu is %d:\n",j);for(i=0;ii++)学生管理系统c语言源代码{b=stu[i].score[j]/10;if(b6)a5++;elseif(b=6b7)a6++;elseif(b=7b8)a7++;elseif(b=8b9)a8++;if(b=9b10)a9++;elseif(b==10)a10++;}printf(" 不及格is %d\n",a5);printf(" 60--69 is %d\n",a6);printf(" 70--79 is %d\n",a7);printf(" 80--89 is %d\n",a8);printf(" 90--99 is %d\n",a9);printf(" 100 is %d\n",a10);}}main(){int a;printf(" ____\n"); printf(" 欢迎进入学生成绩管理系统\n");printf(" ____\n"); while(1){printf("\n选择菜单:\n");printf("\n");printf(" 1.输入 2.查询 3.排序 4.修改 5.统计 6.退出\n"); scanf("%d",switch(a){case 1: shuru();break;case 2: chaxun(); break;case 3: paixu(); break;case 4: xiugai(); break;学生管理系统c语言源代码case 5: tongji();break; case 6: exit(0); }。

C语言课程设计——学生管理系统源代码#include〈stdio。

h>＃include〈stdlib。

h〉＃include<string。

h〉#include〈conio.h>＃define MY1 printf(”学号\t姓名\t性别\t年龄\t生日”)＃define MY2 printf（”\n％d ％6s ％4s\t%2d %8d%2d%2d \n"，s［i］.num，s［i］.name，s［i]。

sex,s[i]。

age，s［i]。

a。

year，s[i].a。

month，s［i］.a.day)＃define MY3 printf（”家庭住址联系方式高数英语大物总成绩"）#define MY4 printf(”\n%4s ％4s %2d ％2d %2d %2d\n”，s［i]。

address，s［i］。

tel，s［i］.c。

gao，s［i］。

c.ying,s［i］.c.wu，s［i].c.total）＃define MAX 30int i;int sum；/＊时间结构体类型*/struct date{int year；int month；int day;｝a；/＊学生成绩结构体类型＊/struct score｛int gao;int ying；int wu；int total;}c；/*学生信息结构体类型*/struct s_message{int num;char name［20]；char sex[5]；int age；struct date a;char address［50］；char tel ［11];struct score c；}s［MAX］;/*保存学生信息模块＊/int i；FILE*fp；if（（fp=fopen（”D:\\s。

txt"，”wb”））==NULL）｛printf（”reading file is wrong！\n”）；return；}for (i=0;i<sum；i++）｛if(fwrite（＆s［i］,sizeof（struct s_message),1，fp）!=1）printf（”writing file is wrong！\n”）;｝fclose（fp）;}/＊读取学生信息模块＊/int read_message（）｛FILE ＊fp;int i=0；if（（fp=fopen（"D：\\s。

#include<stdlib.h>#include<string.h>#include<stdio.h>#define N 100struct student{char no[9];char name[25];char sex[10];int age;char jiguan[25];char zhuanye[25];int ban;}stu[N];int load(){FILE *fp;int i;if ((fp=fopen("results.txt","rb"))==NULL){printf("文件打开错误");return 0;}for (i=0;!feof(fp);i++)fread(&stu[i],sizeof(struct student),1,fp);fclose(fp);return(i-1);}void save(int n){int i;FILE *fp;if ((fp=fopen("results.txt","wb"))==NULL){printf("文件打开错误:");}for (i=0;i<n;i++)fwrite(&stu[i],sizeof(struct student),1,fp);fclose(fp);}void read(){int n,m;printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");for (m=0;m<n;m++){printf("%s",stu[m].no);printf("\t%s",stu[m].name);printf("\t%s",stu[m].sex);printf("\t%d",stu[m].age);printf("\t%s",stu[m].jiguan);printf("\t%s",stu[m].zhuanye);printf("\t%d",stu[m].ban);printf("\n");}}void zengjia(){int n,m,j,i;n=load();printf("输入你想要增加多少个学生信息");scanf("%d",&m);for (i=0;i<m;i++){printf("\n学号:");scanf("%s",stu[n+i].no);printf("姓名:");scanf("%s",stu[n+i].name);printf("性别:");scanf("%s",stu[n+i].sex);printf("年龄:");scanf("%d",&stu[n+i].age);printf("籍贯:");scanf("%s",stu[n+i].jiguan);printf("专业:");scanf("%s",stu[n+i].zhuanye);printf("班级:");scanf("%d",&stu[n+i].ban);}printf("输入完成");save(n+m);}{FILE *fp;int i,m;if ((fp=fopen("results.txt","wb"))==NULL){printf("文件打开错误!\n");exit(1);}printf("你想要录入多少个学生信息?");scanf("%d",&m);for (i=0;i<m;i++){printf("\n学号:");scanf("%s",stu[i].no);printf("姓名:");scanf("%s",stu[i].name);printf("性别:");scanf("%s",stu[i].sex);printf("年龄:");scanf("%d",&stu[i].age);printf("籍贯:");scanf("%s",stu[i].jiguan);printf("专业:");scanf("%s",stu[i].zhuanye);printf("班级:");scanf("%d",&stu[i].ban);}for (i=0;i<m;i++)fwrite(&stu[i],sizeof(struct student),1,fp);fclose(fp);}void xingming(){int meau();int n,i;char m[9];n=load();printf("欢迎使用姓名查找功能,请输入你需要查找的学生的姓名:");scanf("%s",&m);for (i=0;i<n;i++)if (!strcmp(stu[i].name,m))printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");printf("%s",stu[i].no);printf("\t%s",stu[i].name);printf("\t%s",stu[i].sex);printf("\t%d",stu[i].age);printf("\t%s",stu[i].jiguan);printf("\t%s",stu[i].zhuanye);printf("\t%d\n",stu[i].ban);}}void xuehao(){int meau();int n,i;char m[9];n=load();printf("欢迎使用学号查找功能,请输入你需要查找的学生的学号:");scanf("%s",&m);for (i=0;i<n;i++)if (!strcmp(stu[i].no,m)){printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");printf("%s",stu[i].no);printf("\t%s",stu[i].name);printf("\t%s",stu[i].sex);printf("\t%d",stu[i].age);printf("\t%s",stu[i].jiguan);printf("\t%s",stu[i].zhuanye);printf("\t%d\n",stu[i].ban);}}void find(){int meau();int n;printf("请选择你要的功能:1)学号查找2)姓名查找\n");printf("你选择的功能是:");scanf("%d",&n);switch (n){xuehao();break;case 2:xingming();break;default :printf("选择的功能错误\n输入任意键返回查找");int getch();find();break;}}void change(){int meau();FILE *fp;int n,i,j;char m[9];n=load();printf("欢迎使用修改功能,输入你要修改学生的学号:");scanf("%s",&m);for (i=0;i<n;i++)if (!strcmp(stu[i].no,m)){printf("你要修改的项目：1)学号2)姓名3)性别4)年龄5)籍贯6)专业7)班级\n");printf("你选择的功能是:");scanf("%d",&j);switch (j){case 1:printf("输入你修改后的学号:");scanf("%s",stu[i].no);break;case 2:printf("输入你修改后的姓名:");scanf("%s",stu[i].name);break;case 3:printf("输入你修改后的性别:");scanf("%s",stu[i].sex);break;case 4:printf("输入你修改后的年龄:");scanf("%d",&stu[i].age);break;case 5:printf("输入你修改后的籍贯:");scanf("%s",stu[i].jiguan);break;case 6:printf("输入你修改后的专业:");scanf("%s",stu[i].zhuanye);break;case 7:printf("输入你修改后的班级:");scanf("%d",&stu[i].ban);break;default :printf("选择的功能错误\n");int getch();change();break;}save(n);}}void tongji_1(){int n,m,i,sum=0;n=load();printf("输入你要统计的年龄:");scanf("%d",&m);printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");for (i=0;i<n;i++)if (stu[i].age==m){printf("%s",stu[i].no);printf("\t%s",stu[i].name);printf("\t%s",stu[i].sex);printf("\t%d",stu[i].age);printf("\t%s",stu[i].jiguan);printf("\t%s",stu[i].zhuanye);printf("\t%d\n",stu[i].ban);sum++;}printf("%d岁的学生共有%d个\n",m,sum);}void tongji_2(){int n,i,sum=0;char m[25];n=load();printf("输入你要统计的籍贯:");scanf("%s",&m);printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");for (i=0;i<n;i++)if (!strcmp(m,stu[i].jiguan)){printf("%s",stu[i].no);printf("\t%s",stu[i].name);printf("\t%s",stu[i].sex);printf("\t%d",stu[i].age);printf("\t%s",stu[i].jiguan);printf("\t%s",stu[i].zhuanye);printf("\t%d\n",stu[i].ban);sum++;}printf("%s籍贯的学生共有%d个\n",m,sum);}void tongji_3(){int n,i,sum=0;char m[25];n=load();printf("输入你要统计的专业:");scanf("%s",&m);printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");for (i=0;i<n;i++)if (!strcmp(m,stu[i].zhuanye)){printf("%s",stu[i].no);printf("\t%s",stu[i].name);printf("\t%s",stu[i].sex);printf("\t%d",stu[i].age);printf("\t%s",stu[i].jiguan);printf("\t%s",stu[i].zhuanye);printf("\t%d\n",stu[i].ban);sum++;}printf("%s专业的学生共有%d个/n",m,sum);}void tongji_4(){int n,m,i,sum=0;n=load();printf("输入你要统计的班级:");scanf("%d",&m);printf("学号\t姓名\t性别\t年龄\t籍贯\t专业\t班级\n");for (i=0;i<n;i++)if (stu[i].ban==m){printf("%s",stu[i].no);printf("\t%s",stu[i].name);printf("\t%s",stu[i].sex);printf("\t%d",stu[i].age);printf("\t%s",stu[i].jiguan);printf("\t%s",stu[i].zhuanye);printf("\t%d\n",stu[i].ban);sum++;}printf("%d班的学生共有%d个\n",m,sum);}void tongji(){int n,m,i;n=load();printf("欢迎使用统计功能，你想统计的项目是:1) 年龄2) 籍贯3) 专业4) 班级\n");printf("输入你想选择的功能:");scanf("%d",&m);switch (m){case 1:tongji_1();break;case 2:tongji_2();break;case 3:tongji_3();break;case 4:tongji_4();break;default :printf("选择的功能错误\n");int getch();tongji();break;}}void shanchu(){int n,i,j;char m[9];n=load();printf("输入你要删除资料学生的学号");scanf("%s",&m);for (i=0;i<n;i++)if (!strcmp(stu[i].no,m))break;for (j=i;j<n-1;j++){strcpy(stu[j].no,stu[j+1].no);strcpy(stu[j].name,stu[j+1].name);stu[j].age=stu[j+1].age;strcpy(stu[j].jiguan,stu[j+1].jiguan);strcpy(stu[j].zhuanye,stu[j+1].zhuanye);strcpy(stu[j].sex,stu[j+1].sex);stu[j].ban=stu[j+1].ban;}save(n-1);}void menu(){int n;system("cls");printf("\n\t\t*******************************************\n"); printf("\n\t\t*******************************************\n"); printf("\t\t\t\t欢迎使用\n");printf("\t\t功能列表:\n");printf("\n\n\t\t1)录入新的学生资料");printf("\n\n\t\t2)查找学生");printf("\n\n\t\t3)删除学生资料");printf("\n\n\t\t4)修改学生资料");printf("\n\n\t\t5)分析统计学生资料");printf("\n\n\t\t6)查看学生资料");printf("\n\n\t\t7)增加学生资料");printf("\n\n\t\t8)退出系统");printf("\n\t\t*******************************************\n"); printf("\n\t\t*******************************************\n"); printf("想选择的功能:");scanf("%d",&n);while (n>8||n<1){printf("输入错误的功能，请重新输入功能选项:");scanf("%d",&n);}switch (n){case 1:add();break;case 2:find();break;case 3:shanchu();break;case 4:change();break;case 5:tongji();break;case 6:read();break;case 7:zengjia();break;case 8:break;}}void main() {menu();}。

#include<stdio.h> /*头文件*/#include<string.h>#include<stdlib.h>#define N 100#define M 3typedef struct student /*定义学生结构体*/{char num[11];char name[20];char sex[3];int score[M];float ave;int Max_course;}STU;STU stu[N],stu_Chinese[N],stu_Math[N],stu_English[N];int Max[M];float ave_Chinese;float ave_Math;float ave_English;int n;/*实际存储的学生个数*/void no_input(int i,int n)/*i表示第i个的学生信息，n表示比较到第n个学生*/{int j,k,w1;do{w1=0;printf("NO.:");scanf("%s",&stu[i].num);for(j=0;stu[i].num[j]!='\0';j++)/*学号输入函数，作了严格规定*/if(stu[i].num[j]<'0'||stu[i].num[j]>'9')/*判断学号是否为数字*/{puts("Input error! Only be made up of (0-9).Please reinput!\n");w1=1;break;}if(w1!=1)for(k=0;k<n;k++)/*比较到第n个学生*/if(k!=i&&strcmp(stu[k].num,stu[i].num)==0){puts("This record is exist.Please reinput!\n");w1=1;break;}}while(w1==1);}void input(int i)/*输入一个记录函数*/{int j,sum;no_input(i,i);/*调用学号输入函数*/printf("name:");scanf("%s",&stu[i].name);printf("sex:");scanf("%s",&stu[i].sex);for(j=0;j<M;j++){printf("score %d:",j+1);scanf("%d",&stu[i].score[j]);}for(sum=0,j=0;j<M;j++)sum+=stu[i].score[j];stu[i].ave=sum*1.0/M;/*每一行的平均值，即每位同学的三门课总的平均分*/}void menu();/*函数声明*/void enter()/*输入模块*/{int i,j,f;system("CLS");/*清屏*/printf("How many students(0-%d)?:",N);/*要输入的记录个数*/scanf("%d",&n);printf("\nEnter data now\n\n");for(i=0;i<n;i++){printf("\nInput %dth student record.\n",i+1);input(i);/*调用输入函数*/}for(i=0;i<n;i++)/*求每一行的最大值，即求每一位学生的三门课中的最高分*/{stu[i].Max_course=stu[i].score[0];for(j=1;j<M;j++){if(stu[i].Max_course<stu[i].score[j])stu[i].Max_course=stu[i].score[j];}}for(i=0;i<n;i++)/*把输入的信息分别复制到stu_Chinese[N],stu_Math[N],stu_English[N]中*/{stu_Chinese[i]=stu[i];stu_Math[i]=stu[i];stu_English[i]=stu[i];}printf("返回主菜单请按数字0\n");do{scanf("%d",&f);if(f==0){menu();break;}else printf("输入有误，请重新输入:");}while(f!=0);}void printf_one(int i)/*显示一个记录函数*/{int j;printf("%3s :%3s",stu[i].num,stu[i].name);for(j=0;j<M;j++)printf("%10d",stu[i].score[j]);printf("%10.2f",stu[i].ave);printf("%9d\n",stu[i].Max_course);}void browse() /*浏览模块*/{int i,j,f,k=0;system("CLS");/*清屏*/for(i=0;i<n;i++)/*求第一列的平均值，即求语文平均成绩*/{k=k+stu[i].score[0];ave_Chinese=(k*1.0)/n;}k=0;for(i=0;i<n;i++)/*求第二列的平均值，即求数学平均成绩*/{k=k+stu[i].score[1];ave_Math=(k*1.0)/n;}k=0;for(i=0;i<n;i++)/*求第三列的平均值，即求英语平均成绩*/{k=k+stu[i].score[2];ave_English=(k*1.0)/n;}Max[0]=stu[0].score[0];/*第一列的最大值，即语文成绩最高分*/for(i=1;i<n;i++){if(Max[0]<stu[i].score[0])Max[0]=stu[i].score[0];}Max[1]=stu[0].score[1];/*第二列的最大值，即数学成绩最高分*/for(i=1;i<n;i++){if(Max[1]<stu[i].score[1])Max[1]=stu[i].score[1];}Max[2]=stu[0].score[2];/*第三列的最大值，即英语成绩最高分*/for(i=1;i<n;i++){if(Max[2]<stu[i].score[2])Max[2]=stu[i].score[2];}puts("\n--------------------------------------------------------------------");printf("\n NO : name Chinese Math English average Max_course\n");for(i=0;i<n;i++){if((i!=0)&&(i%10==0))/*目的是分屏显示*/{printf("\n\nPass any key to continue...");getchar();puts("\n\n");}printf_one(i);/*调用显示一个记录函数*/}puts("\n-------------------------------------------------------------------");printf(" ave_Chinese ave_Math ave_English\n");printf("%10.2f%10.2f%10.2f\n",ave_Chinese,ave_Math,ave_English);/*显示语文、数学、英语平均成绩*/puts("\n-------------------------------------------------------------------");printf(" Max_Chinese Max_Math Max_English\n");printf("%10d%10d%10d\n",Max[0],Max[1],Max[2]);/*显示语文、数学、英语成绩*/puts("\n-------------------------------------------------------------------");printf("\n\tThere are %d record.\n",n);puts("\n-------------------------------------------------------------------");printf("返回主菜单请按数字0\n");do{scanf("%d",&f);if(f==0){menu();break;}else printf("输入有误，请重新输入:");}while(f!=0);}void search()/*查找模块*/{int i,k,f;struct student s;k=-1;system("CLS");/*清屏*/printf("\n\nEnter name that you wang to search! num:");scanf("%s",&s.num);/*输入要查找的学生的学号*/printf("\n NO :name Chinese Math English average Max_course\n");for (i=0;i<n;i++)/*查找信息*/if(strcmp(s.num,stu[i].num)==0){k=i; /*找到要查找的学生记录*/printf_one(k);/*调用显示一个记录函数*/break;}if(k==-1){printf("\n\nNO exist!");}printf("返回主菜单请按数字0\n");do{scanf("%d",&f);if(f==0){menu();break;}else printf("输入有误，请重新输入:");}while(f!=0);}/*函数声明*/void order_ave();void order_Chinese();void order_Math();void order_English();void order()/*排序模块*/{int i,j,f,m,w1;struct student s;system("CLS");do{system("CLS");puts("\t\t\t学生成绩排序\n\n");puts("\t*************************ORDER*************************\n" );puts("\t\t\t1.对每一位学生的平均成绩排序\n");puts("\t\t\t2.对语文课成绩排序\n");puts("\t\t\t3.对数学课成绩排序\n");puts("\t\t\t4.对英语课成绩排序\n");puts("\t\t\t5.返回主菜单\n");puts("\t******************************************************\n");printf("Choice your number(1-5):[ ]\b\b");scanf("%d",&m);if(m<0||m>5){w1=1;printf("your choice is not between 1 and 5,Please input again:");getchar();}else w1=0;}while(w1==1);switch(m) /*选择功能*/{case 1:order_ave();break;case 2:order_Chinese();break;case 3:order_Math();break;case 4:order_English();break;case 5:menu();;}printf("The ordered data is:\n");browse();}void order_ave()/*对平均成绩从小到大进行冒泡排序法*/{int i,j,f;struct student s;system("CLS");for(i=0;i<n;i++){for(j=i;j<n;j++){if(stu[i].ave>stu[j].ave){s=stu[i];stu[i]=stu[j];stu[j]=s;}}}puts("\n-------------------------------------------------------------------");printf("每位学生的平均成绩从小到大的排序结果\n");printf(" NO : name average \n");for(i=0;i<n;i++)printf("%3s :%3s %11f\n",stu[i].num,stu[i].name,stu[i].ave);puts("\n-------------------------------------------------------------------");printf("返回上一级请按数字0\n");do{scanf("%d",&f);if(f==0){order();break;}else printf("输入有误，请重新输入:");}while(f!=0);}void order_Chinese()/*对语文成绩从小到大进行冒泡排序法*/{int i,j,f;struct student s;system("CLS");for(i=0;i<n;i++){for(j=i;j<n;j++){if(stu_Chinese[i].score[0]>stu_Chinese[j].score[0]){s=stu_Chinese[i];stu_Chinese[i]=stu_Chinese[j];stu_Chinese[j]=s;}}}puts("\n-------------------------------------------------------------------");printf("语文成绩从小到大的排序结果\n");printf(" NO : name Chinese \n");for(i=0;i<n;i++)printf("%3s :%5s %6d\n",stu_Chinese[i].num,stu_Chinese[i].name,stu_Chines e[i].score[0]);puts("\n-------------------------------------------------------------------");printf("返回上一级请按数字0\n");do{scanf("%d",&f);if(f==0){order();break;}else printf("输入有误，请重新输入:");}while(f!=0);}void order_Math()/*对数学成绩从小到大进行冒泡排序法*/{int i,j,f;struct student s;system("CLS");for(i=0;i<n;i++){for(j=i;j<n;j++){if(stu_Math[i].score[1]>stu_Math[j].score[1]){s=stu_Math[i];stu_Math[i]=stu_Math[j];stu_Math[j]=s;}}}puts("\n-------------------------------------------------------------------");printf("数学成绩从小到大的排序结果\n");printf(" NO : name Math \n");for(i=0;i<n;i++)printf("%3s :%5s %6d\n",stu_Math[i].num,stu_Math[i].name,stu_Math[i].scor e[1]);puts("\n-------------------------------------------------------------------");printf("返回上一级请按数字0\n");do{scanf("%d",&f);if(f==0){order();break;}else printf("输入有误，请重新输入:");}while(f!=0);}void order_English()/*对英语成绩从小到大进行冒泡排序法*/{int i,j,f;struct student s;system("CLS");for(i=0;i<n;i++){for(j=i;j<n;j++){if(stu_English[i].score[2]>stu_English[j].score[2]){s=stu_English[i];stu_English[i]=stu_English[j];stu_English[j]=s;}}}puts("\n-------------------------------------------------------------------");printf("英语成绩从小到大的排序结果\n");printf(" NO : name English \n");for(i=0;i<n;i++)printf("%3s :%5s %6d\n",stu_English[i].num,stu_English[i].name,stu_English [i].score[2]);puts("\n-------------------------------------------------------------------");printf("返回上一级请按数字0\n");do{scanf("%d",&f);if(f==0){order();break;}else printf("输入有误，请重新输入:");}while(f!=0);}void menu(){int n,w1;do{system("CLS");puts("\t\t\t学生学籍管理系统\n\n");puts("\t*************************MENU*************************\n");puts("\t\t\t1.Enter new data\n");puts("\t\t\t2.Browse all\n");puts("\t\t\t3.Search by num\n");puts("\t\t\t4.Order by average\n");puts("\t\t\t5.Exit\n");puts("\t******************************************************\n");printf("Choice your number(1-5):[ ]\b\b");scanf("%d",&n);if(n<0||n>5)/*对选择的数字作判断*/{w1=1;printf("your choice is not between 1 and 5,Please input again:");getchar();}else w1=0;}while(w1==1);switch(n) /*选择功能*/{case 1:enter();break;/*输入模块*/case 2:browse();break;/*浏览模块*/ case 3:search();break;/*查找模块*/ case 4:order();break;/*排序模块*/case 5:exit(0);/*退出模块*/}}void main(){menu();/*调用主菜单函数*/}。

C语言学生学籍管理系统引言现代教育离不开信息技术的支持，学籍管理系统是教育机构管理学生信息的重要工具。

C语言是一种通用的高级编程语言，广泛应用于软件开发领域。

本文将介绍使用C语言开发学生学籍管理系统的基本原理和实现方法。

功能需求学生学籍管理系统主要包括以下功能：1.添加学生信息：包括学号、姓名、性别、年龄、班级等信息。

2.查询学生信息：根据学号或姓名查询学生的详细信息。

3.修改学生信息：允许对学生的基本信息进行修改。

4.删除学生信息：删除指定学号的学生信息。

5.统计学生信息：统计学生的数量、男女比例等信息。

系统设计学生学籍管理系统可以采用面向过程的设计方法，使用结构体来存储学生信息。

以下是系统的设计思路：1.定义学生结构体：学生结构体包含学号、姓名、性别、年龄、班级等字段。

2.添加学生信息：创建一个学生结构体数组，根据用户输入的信息添加学生信息到数组中。

3.查询学生信息：根据用户输入的学号或姓名，在学生结构体数组中查找并输出学生的详细信息。

4.修改学生信息：根据用户输入的学号或姓名，在学生结构体数组中找到对应的学生信息，并允许用户修改学生的基本信息。

5.删除学生信息：根据用户输入的学号或姓名，在学生结构体数组中查找并删除对应的学生信息。

6.统计学生信息：遍历学生结构体数组，统计学生的数量、男女比例等信息，并输出结果。

系统实现以下是学生学籍管理系统的基本代码实现：```c #include <stdio.h>#define MAX_STUDENTS 100// 定义学生结构体 typedef struct { int id; // 学号 char name[20]; // 姓名 char gender; // 性别 int age; // 年龄 char class[20]; // 班级 } Student;int main() { Student students[MAX_STUDENTS]; // 学生结构体数组 int count = 0; // 学生数量while (1) {int choice;printf(\。

XX学院计算机科学与技术系 实 验 报 告

课程名称 程序设计基础实验(2) 实验项目 应用系统的面向对象设计与分析 实验类型 综合性实验 完成人 所在班级 指导教师 完成日期 2009年11月 30日 1

实验报告正文 一．实验报告简表 实验课题名称 学籍管理系统 综合性实验项目 应用系统的面向对象设计与分析 服务课程 程序设计基础实验(2) 实验小组组长 指导教师 参与实验人员及其在实验课题中承担的主要任务(包括组长) 学 号 小组成员姓名 班 级 在实验课题中的主要作用

二．设计内容与要求 设计内容：设计基于文件结构的学籍管理系统 设计要求： （1）录入学生基本信息的功能界面 （2）修改学生基本信息的功能界面 （3）查询学生基本信息的功能界面 （4）删除学生基本信息的功能界面 2

三．总体设计，包括需求分析、功能描述、设计工具与运行环境、类及类间关系描述等

a、 Student.java:程序的入口。初始化主界面，使主界面位于屏幕中

间，且用户不能改变其大小。 b、 MainFrame.java:程序的主界面。由菜单、登陆界面和操作选项所

构成。其中菜单的“文件”中各操作项必须在登陆后方可选择，输入用户名和密码点击“进入”，提示登陆成功之后（用户名和密码在数据库的Admin表中，如果用户填的密码或用户名错误或没填都会产生相应的警告框），登陆界面消失，出现“添加信息”、“修改信息”、“信息查询”和“删除信息”四个按钮，且菜单中的操作项也被激活。点击要操作的按钮或菜单项，进入要操作的界面（窗口出现在屏幕左上角）。

c、 AddInf.java:添加信息界面。按照要求添入基本信息，如果用户

填错或没填，提示错误信息（如不能添加已经注册的学号）。填写完整后，点击“增加”按钮，将信息加入数据库的BaseInf表中。

d、 ChangeInf.java:修改信息界面。按照提示输入要修改信息的学生

学号，点击“下一步”（如果数据库无此学号，则提示“无此对应信息”），从数据库中将该学生的完整信息读出，用户修改之后点击“修改”即可。注意：为了防止意外，修改学生信息时，程序禁止了对学号的修改。（为了程序设计方便和代码重用，修改信息的代码是先删此该生所有信息，再将修改后的信息全部添加到数据库，这也是数据库修改的原理）

C语言上机实验报告------学生信息管理系统设计姓名：学号：班级：指导老师：学院：学校：C语言上机实验报告------学生信息管理系统设计一、实验题目学生信息管理系统设计学生信息包括：学号，姓名，年龄，性别，出生年月，地址，电话，E-mail 等。

试设计一学生信息管理系统，使之能提供以下功能：（1）系统以菜单方式工作（2）学生信息录入功能（学生信息用文件保存）---输入（3）学生信息浏览功能---输出（4）查询、排序功能---算法（5）按学号查询（6）按姓名查询（7）学生信息的删除与修改（可选项）二、本课程的地位、作用与目的为综合应用C语言程序设计理论知识、进一步提高学生综合解决问题、协调工作的能力和良好的软件开发习惯，特安排本实验内容。

希望通过该实习能够进一步激发学生的学习热情，培养学生初步编程的能力，为后续的学习和发展奠定基础。

三、分析过程1、能够实现对学生基本信息数据的增加和删除2、实现对录入保存后的学生基本信息进行格式化浏览3、提供学号和姓名两种方式对学生基本信息数据的查询4、能够对随机输入的学生基本信息数据按学号进行排序5、学生信息数据保存在文件中，方便数据的多次使用为了实现以上功能，必须设计的函数如下：录入函数、查询函数（分为姓名查询和学号查询）、删除函数、排序函数和几个菜单绘制函数等四、实验源代码:#include <stdio.h>#include<string.h>#include<conio.h>#include<stdlib.h>#include<time.h>#define num 12//定义学生结构体typedef struct student{int id;char name[num];int age;char sex[4];struct birth{int year;int month;int day;}date;char add[30];int phone;}stu;//功能选择菜单void menu(){printf("\n");printf("\n");printf(" 学生信息管理系统\n");printf("\n");printf("********************************************************************* **\n");printf(" ==============1.学生信息录入 2.学生信息浏览===============\n");printf("\n");printf(" ==============3.学号查询信息 4.姓名查询信息===============\n");printf("\n");printf(" ==============5.按学号排序 6.删除学生信息===============\n");printf("\n");printf(" ============== 0.退出系统===============\n");printf("\n");printf("\n");printf("********************************************************************* *\n");printf("\n");printf(" 按编号选择对应功能\n");printf("\n");printf(" +++++++++++++++++++ XXXXXXX制作+++++++++++++++++++++\n");printf("\n");}//修改菜单void printmenu(){printf("********************************************************* **\n");printf("-------1.完全修改 2.学号修改---------");printf("-------3.姓名修改 4.性别修改---------");printf("-------5.生日修改 6.地址修改---------");printf("-------7.电话修改 0.退出修改---------");printf("********************************************************* **\n");}//取当前时间int nowtime(){struct tm *local;time_t t;t=time(NULL);local=localtime(&t);return local->tm_year+1900;//求出当前时间的年份}//输出文件中学生信息void print(char *file){stu temp;FILE *fp=fopen(file,"r");if(fp==NULL){printf("打开文件%s失败!\n",file);return;}printf("文件%s中学生信息如下：\n",file);printf("%8s%8s%6s%6s%8s%4s%4s%16s%12s\n","学号","姓名","年龄","性别","出生年","月","日","地址","电话");fseek(fp,0,SEEK_SET);//从文件开始为之读取while(fread(&temp,sizeof(stu),1,fp))printf("%8d%8s%6d%6s%8d%4d%4d%16s%12d\n",temp.id,,temp.age,t emp.sex,temp.date.year,temp.date.month,temp.date.day,temp.add,temp.ph one);//格式化输出学生信息fclose(fp);//关闭文件}void luru(char *file){int count,sexnum,i=0,m;stu temp,temp1;FILE *fp=fopen(file,"a+");//追加方式打开文件if(fp==NULL){printf("打开文件%s失败！",file);return;}printf("请确定本次需要录入几名学生信息：");scanf("%d",&count);for (i=0;i<count ;i++ ){printf("录入要写入文件%s的第%d名学生信息\n",file,i+1); Repeat:printf("请输入学号：");m=scanf("%d",&temp.id);if (m==0){printf("输入的数据不是整型数据！\n");fflush(stdin);//清除缓存goto Repeat;}fseek(fp,0,SEEK_SET);//从文件开始位置读取while(fread(&temp1,sizeof(stu),1,fp)){if (temp1.id==temp.id)//判断学号是否已存在{printf("学号已存在！\n");goto Repeat;}//若学号已存在，返回继续读取学号}printf("请输入姓名：");scanf("%s",);printf("请输入性别：0为女生，1为男生：");{scanf("%d",&sexnum);if (sexnum==1) strcpy(temp.sex,"男");else strcpy(temp.sex,"女");}printf("请输入出生年月日：");scanf("%d%d%d",&temp.date.year,&temp.date.month,&temp.date.day);temp.age=nowtime()-temp.date.year;printf("请输入地址：");scanf("%s",&temp.add);printf("请输入联系电话11位：");scanf("%d",&temp.phone);if(!fwrite(&temp,sizeof(stu),1,fp)){printf("向文件%s写入信息失败！\n",file);return;}}printf("向文件%s写入信息成功!\n",file);fclose(fp);}int IsEmpty(FILE *fp){int len;fseek(fp,0,SEEK_END);//指针移动到文件尾len=ftell(fp);//取指针的文职获取长度return(len==0)?1:0;//0代表文件为空}void idsearch(char *file){int findid;stu temp;FILE *fp=fopen(file,"r");if (fp==NULL){printf("文件无法打开！");return;}if(IsEmpty(fp)){printf("文件为空，请先录入信息！");return;}printf("输入要查找学生的学号：");scanf("%d",&findid);fseek(fp,0,SEEK_SET);while(fread(&temp,sizeof(stu),1,fp)){if(temp.id==findid){printf("%8s%8s%6s%6s%8s%4s%4s%16s%11s\n","学号","姓名","年龄","性别","出生年","月","日","地址","电话");printf("%8d%8s%6d%6s%8d%4d%4d%16s%11d\n",temp.id,,temp.a ge,temp.sex,temp.date.year,temp.date.month,temp.date.day,temp.add,tem p.phone);//格式化输出学生信息return;}}printf("没有找到学号为%d的学生的信息！",findid);return;fclose(fp);}void namesearch(char *file){char name[num];stu temp;FILE *fp=fopen(file,"r");if (fp==NULL){printf("文件无法打开！");return;}if(IsEmpty(fp)){printf("文件为空，请先输入学生信息!");return;}printf("输入要查找的学生的姓名：");scanf("%s",name);fseek(fp,0,SEEK_SET);while(fread(&temp,sizeof(stu),1,fp)){if (!strcmp(,name)){printf("下面是姓名为%s的学生的信息：\n",name);printf("%8s%8s%6s%6s%8s%4s%4s%16s%11s\n","学号","姓名","年龄","性别","出生年","月","日","地址","电话");printf("%8d%8s%6d%6s%8d%4d%4d%16s%11d\n",temp.id,,temp.a ge,temp.sex,temp.date.year,temp.date.month,temp.date.day,temp.add,tem p.phone);//格式化输出学生信息return;}}printf("没有找到姓名为%s的学生的信息！",name);fclose(fp);}//排序函数void paixu(char *file){int i,j,k,len;stu s[num],temp;FILE *fp=fopen(file,"r");if(fp==NULL){printf("文件无法打开！");return;}if(IsEmpty(fp)){printf("文件为空，请先录入信息！");return;}fseek(fp,0,SEEK_END);//指针移动到文件末尾len=ftell(fp)/sizeof(stu);fseek(fp,0,SEEK_SET);for(i=0;i<len;i++)fread(s+i,sizeof(stu),1,fp);fclose(fp);for(i=0;i<len;i++){k=i;for(j=i+1;j<len;j++){if(s[j].id<s[k].id)k=j;}if(k!=i){temp=s[i];s[i]=s[k];s[k]=temp;}}printf("下面是按学号从小到大顺序排序后的学生的信息：\n");printf("%8s%8s%6s%6s%8s%4s%4s%16s%11s\n","学号","姓名","年龄","性别","出生年","月","日","地址","电话");for(i=0;i<len;i++)printf("%8d%8s%6d%6s%8d%4d%4d%16s%11d\n",s[i].id,s[i].name,s[i].a ge,s[i].sex,s[i].date.year,s[i].date.month,s[i].date.day,s[i].add,s[i ].phone);//格式化输出学生信息remove("学生信息表.txt");//删除以前存放数据的文件fp=fopen(file,"w");for(i=0;i<len;i++)fwrite(s+i,sizeof(stu),1,fp);fclose(fp);}//删除函数void shanchu(char *file){int i=0,len,del;stu s[num];FILE *fp=fopen(file,"r");if(fp==NULL){printf("文件无法打开！");return;}if(IsEmpty(fp)){printf("文件为空，请先录入学生信息！");return;}printf("输入需要删除的学生的学号：");scanf("%d",&del);fseek(fp,0,SEEK_SET);while(fread(s+i,sizeof(stu),1,fp)){if(s[i].id==del){printf("下面是按学号为%d的学生的信息：\n",del);printf("%8s%8s%6s%6s%8s%4s%4s%16s%11s\n","学号","姓名","年龄","性别","出生年","月","日","地址","电话");printf("%8d%8s%6d%6s%8d%4d%4d%16s%11d\n",s[i].id,s[i].name,s[i].a ge,s[i].sex,s[i].date.year,s[i].date.month,s[i].date.day,s[i].add,s[i ].phone);//格式化输出学生信息i=i-1;}i++;}fclose(fp);len=i;fp=fopen(file,"w");fseek(fp,0,SEEK_SET);for(i=0;i<len;i++) //删除后重写文件fwrite(s+i,sizeof(stu),1,fp);fclose(fp);}void main(){int key;char file[]={"学生信息表.txt"};do{menu();printf("选择对应功能操作：");scanf("%d",&key);switch(key){case 1:luru(file);break;case 2:print(file);break;case 3:idsearch(file);break;case 4:namesearch(file);break;case 5:paixu(file);break;case 6:shanchu(file);break;case 0:exit(0);default:printf("选择错误，请重新选择！");}printf("\n");printf("按任意键返回上级菜单！");getch();fflush(stdin);system("cls");}while (key!=0);}五.实验过程及结果：1.程序主菜单运行界面2.学生信息录入运行界面3.学生信息浏览运行界面4.学生学号查询运行界面5.学生姓名查询运行界面6.按学号排序运行界面第一次出现乱码，改正后运行如第二张图片所示7.删除学生信息运行界面六、感想在本次实验的过程中，出现了各种各样的问题。