c语言中通讯录代码

#include<stdio.h>#include<string.h>#include<stdlib.h>int mimayanzheng(char a[],char b[]);void luru(int n);void xinxichaxun(struct txl_type mulu[],int n); int chazhao(struct txl_type mulu[],int n,int j); void xiugai(struct txl_type mulu[],int n);void shanchu(struct txl_type mulu[],int n);void paixu(struct txl_type mulu[],int n);void baocun(struct txl_type mulu[],int n);struct txl_type{ char name[15] ;char sex[5] ;char age[4] ;char phnum[15] ;char email[20];char adr[30] ;};void main(){char a[8]="1234567",b[8];int i,j;FILE *fp;for(i=0;i<3;i++){printf("请输入密码并按回车键确认\n");if(mimayanzheng(a,b)==1){printf("密码正确,成功");printf("进入系统\n");break;}elseprintf("密码错误请重新输入\n");}if(i==3){printf("退出程序\n");goto loop;}if((fp=fopen("tx1.txt","a"))==NULL)goto loop;fclose(fp);for(;;){struct txl_type mulu[500],*p;char ch;int n;FILE *fp;fp=fopen("tx1.txt","r");n=0;p=mulu;while((ch=fgetc(fp))!=EOF){fscanf(fp,"%s%s%s%s%s%s",p->name,p->sex,p->age,p->phnum,p->email,p->adr);p++;n++;};do{printf("1.信息录入 2.信息修改 3.信息查询4信息删除5信息排序6信息保存7退出\n");scanf("%d",&j);fflush(stdin);}while(j!=1&&j!=2&&j!=3&&j!=4&&j!=5&&j!=6&&j!=7);switch(j){case 1:printf("进入信息录入系统\n");luru(n);break;case 2:printf("进入信息修改系统\n");xiugai(mulu,n);break;case 3:printf("进入信息查询系统\n");xinxichaxun(mulu,n);break;case 4:printf("进入信息删除系统\n");shanchu(mulu,n);break;case 5:printf("进入信息排序系统\n");paixu(mulu,n);break;case 6:printf("进入信息保存系统\n");baocun(mulu,n);break;case 7:goto loop;}}loop:;}mimayanzheng(char a[],char b[]){int i;scanf("%7s",b);for(i=0;i<7;i++){ if(a[i]!=b[i])return 0;}return 1;}void luru(int n){struct txl_type t;int i;FILE *fp;fp=fopen("tx1.txt","a");i=1;while(i==1){fflush(stdin);printf("请输入联系人姓名\n");scanf("%s",);fflush(stdin);printf("请输入联系人性别\n");scanf("%s",t.sex);fflush(stdin);printf("请输入联系人年龄\n");scanf("%s",t.age);fflush(stdin);printf("请输入联系人手机号\n");scanf("%s",t.phnum);fflush(stdin);printf("请输入联系人邮箱\n");scanf("%s",t.email);fflush(stdin);printf("请输入联系人地址\n");scanf("%s",t.adr);fflush(stdin);fprintf(fp,"\n");fprintf(fp,"%12s %3s %4s %10s %6s %6s", ,t.sex ,t.age ,t.phnum ,t.email,t.a dr);printf("------------------------------------------------\n");n++;printf("新增联系人成功还可以添加%d个是否继续添加?\n",(500-n));printf(" 1.是 2. 否\n");scanf("%d",&i);fflush(stdin);}printf("已有%d名联系人\n",n);printf("还可以新增%d个联系人人\n",(500-n));fclose(fp);}void xinxichaxun(struct txl_type mulu[],int n){struct txl_type *p;int k=1,j;while(k==1){p=mulu;printf("请选择：1.用姓名查找 2.用电话号码查找\n");scanf("%d",&j);fflush(stdin);chazhao(p,n,j);/*调用查找程序*/printf("\n");printf(" 查找结束，是否继续查找?\n");printf(" 1.是 2.否\n");scanf("%d",&k);fflush(stdin);}}int chazhao(struct txl_type *p,int n,int j){int i,m[10],a=0,b;char keyName[10],keyphnum[15];if(j==1){printf("请输入姓名:\n");scanf("%s", keyName);fflush(stdin);printf("查找结果：\n");for(i=0;i<n;i++){if(strcmp(keyName,p->name)==0){printf("联系人%d: name:%s age:%s phnum:%s email:%s adr:%s\n",(a+1),p->name,p->age,p->phnum,p->email,p->adr);a++;m[a]=i;}p++;}}else if(j==2){printf("请输入电话号码:\n");scanf("%s", keyphnum);fflush(stdin);printf("查找结果：\n");for(i=0;i<n;i++){if(strcmp(keyphnum,p->phnum)==0){printf("联系人%d: name:%s age:%s phnum:%s email:%s adr:%s\n",(a+1),p->name,p->age,p->phnum,p->email,p->adr);a++;m[a]=i;}p++;}}if(a==0){printf(" 该联系人不存在!\n");return i;}else{printf("共找到以上%d个联系人\n",a);printf("请选择你要找的联系人(输入该联系人序号)\n");scanf("%d",&b);}return m[b];}void xiugai(struct txl_type mulu[],int n){struct txl_type *p,k;int m,i,t,j=1;FILE *fp;p=mulu;t=chazhao(p,n,j);/*调用查找程序*/if(t>=n);else{printf("请对该联系人资料进行修改进行修改\n");printf("请输入修改后联系人姓名\n");scanf("%s",);fflush(stdin);printf("请输入修改后联系人性别\n");scanf("%s",k.sex);fflush(stdin);printf("请输入修改后联系人年龄\n");scanf("%s",k.age);fflush(stdin);printf("请输入修改后联系人手机号\n");scanf("%s",k.phnum);fflush(stdin);printf("请输入修改后联系人邮箱\n");scanf("%s",k.email);fflush(stdin);printf("请输入修改后联系人地址\n");scanf("%s",k.adr);fflush(stdin);printf("修改前联系人资料：name:%s age:%s phnum:%s email:%s adr:%s\n",mulu[t].name,mulu[t].age,mulu[t].phnum,mulu[t].email,mulu[t].adr);printf("修改后联系人资料：name:%s age:%s phnum:%s email:%s adr:%s\n",,k.age,k.phnum,k.email,k.adr);printf("是否保存对联系人的修改? 1.是 2.否\n");scanf("%d",&m);if(m==1){mulu[t]=k;if((fp=fopen("tx1.txt","w"))!=NULL){for(i=0;i<n;i++){fprintf(fp,"\n");fprintf(fp,"%12s %3s %4s %10s %6s %6s",mulu[i].name ,mulu[i].sex ,mulu[i].age , mulu[i].phnum ,mulu[i].email,mulu[i].adr);}printf("已保存修改\n");}fclose(fp);}}}void shanchu(struct txl_type mulu[],int n){struct txl_type *p;int m,i,t,j=1;FILE *fp;p=mulu;t=chazhao(p,n,j);/*调用查找程序*/if(t>=n);else{printf(" 是否删除该联系人?\n");printf(" 1.是 2.否\n");scanf("%d",&m);fflush(stdin);if(m==1){for(i=t;i<n-1;i++)mulu[i]=mulu[i+1];if((fp=fopen("tx1.txt","w"))!=NULL){for(i=0;i<n-1;i++){fprintf(fp,"\n");fprintf(fp,"%12s %3s %4s %10s %6s %6s",mulu[i].name ,mulu[i].sex ,mulu[i].age , mulu[i].phnum ,mulu[i].email,mulu[i].adr);}}printf("该联系人已删除\n");fclose(fp);}}}void paixu(struct txl_type mulu[],int n){int i,j,m;struct txl_type t;FILE *fp;printf("请选择排序方式： 1.按姓名排序 2.按年龄排序\n");scanf("%d",&m);for(i=1;i<=n-1;i++){for(j=0;j<n-i;j++){if(m==1){if(strcmp(mulu[j].name,mulu[j+1].name)==1){t=mulu[j];mulu[j]=mulu[j+1];mulu[j+1]=t;}}else if(m==2){if(strcmp(mulu[j].age,mulu[j+1].age)==1){t=mulu[j];mulu[j]=mulu[j+1];mulu[j+1]=t;}}}}printf("排序后\n");if((fp=fopen("tx1.txt","w"))!=NULL){for(i=0;i<n;i++){fprintf(fp,"\n");fprintf(fp,"%12s %3s %4s %10s %6s %6s",mulu[i].name ,mulu[i].sex ,mulu[i].age , mulu[i].phnum ,mulu[i].email,mulu[i].adr);printf("name:%-12s sex:%-2s age:%-3s phnum:%-8s email:%-5s adr:%-5s\n",mulu[i].name,mulu[i].sex,mulu[i].age,mulu[i].phnum,mulu[i].email,mulu[i].adr);}}fclose(fp);printf("排序已完成，按回车键返回主菜单\n");fflush(stdin);if(m){char a;scanf("%c",&a);}}void baocun(struct txl_type mulu[],int n){int i,m;FILE *fp;printf(" 是否将联系人名单保存至lianxiren.txt?\n");printf(" 1.是 2.否\n");scanf("%d",&m);if(m==1){if((fp=fopen("lianxiren.txt","w"))!=NULL){for(i=0;i<n-1;i++){fprintf(fp,"\n");fprintf(fp,"姓名：%-10s 性别：%-2s 年龄：%-2s 电话号码：%-10s 邮箱：%-5s 地址：%-5s",mulu[i].name ,mulu[i].sex ,mulu[i].age ,mulu[i].phnum ,mulu[i].email,mulu[i].adr);}}fclose(fp);printf(" 保存成功，按回车键返回主菜单\n");}fflush(stdin);if(m!=2){char a;scanf("%c",&a);}}。

通讯录c语言程序设计代码#include<stdio.h>。

#include<string.h>。

//通讯录结构体。

typedef struct addressbook。

char name[20];。

long tel;。

char addr[20];。

}Address;。

//把Address结构体强转成Address指针。

typedef Address *Addressbook;。

//查找函数。

Addressbook find (Addressbook book,int count)。

char findName[20];。

int flag=0;。

Addressbook p;。

printf("请输入查找的姓名：");。

scanf("%s",findName);。

for(p=book;p<book+count;p++)。

if(strcmp(findName,p->name)==0)。

flag=1;。

}。

}。

if(flag==0)。

printf("没有找到%s\n",findName);。

return book;。

}。

else。

return p;。

}。

}。

//添加函数。

void add (Addressbook book,int *count)。

printf("请输入需要增加的通讯录内容：\n");。

printf("姓名：");。

scanf("%s",(book+*count)->name);。

scanf("%ld",&(book+*count)->tel);。

printf("地址：");。

scanf("%s",(book+*count)->addr);。

printf("添加成功\n");。

#include<stdio.h>#include<string.h>struct friends_list{char name[10];int age;char telephone[13];};int Count=0;void new_friend(struct friends_list friends[]);void search_friend(struct friends_list friends[],char*name);void Modify_friend(struct friends_list friends[],char*name);void Delete_friend(struct friends_list friends[],char*name,int n);int main(void){int choice,n;char name[10];struct friends_list friends[50];do{printf("手机通讯录功能选项: 1:新建2:查询3:修改4:删除0:退出\n"); printf("请选择功能:");scanf("%d",&choice);switch(choice){case 1:new_friend(friends);break;case 2:printf("请输入要查找的联系人姓名:");scanf("%s",name);search_friend(friends,name);break;case 3:printf("请输入您要修改的联系人的姓名:");scanf("%s",name);printf("\n");Modify_friend(friends,name);break;case 4:printf("1:单个删除2:全部删除\n\n");printf("请选择您需要的操作:\n");scanf("%d",&n);if(n==1){printf("输入名字\n");scanf("%s",name);Delete_friend(friends,name,n);break;}if(n==2){Delete_friend(friends,name,n);break;}case 0: break;}}while(choice!=0);printf("谢谢使用通讯录功能!\n");return 0;}void new_friend(struct friends_list friends[ ]){struct friends_list f;if(Count==50){printf("通讯录已满!\n");return;}printf("请输入新的联系人的姓名:");scanf("%s",);printf("请输入新联系人的年龄:");scanf("%d",&f.age);printf("请输入新联系人的联系电话:");scanf("%s",f.telephone);friends[Count] = f;Count++;}/*查询联系人*/void search_friend(struct friends_list friends[],char*name){int i,flag=0;if(Count==0){printf("通讯录是空的!\n");return;}/*在书本源代码的基础上,我修改了一下,让程序可以查询多个相同名字的联系人*/ for(i=0;i<Count;i++)if(strcmp(name,friends[i].name)==0){printf("姓名:%s\t",friends[i].name);printf("年龄:%d\t",friends[i].age);printf("电话:%s\n",friends[i].telephone);flag++;}if(flag==0)printf("无此联系人!\n");}/*修改联系人*/void Modify_friend(struct friends_list friends[],char*name){int k,y=0;int t,j=1,g=0;struct friends_list x;if(Count==0){printf("通讯录是空的!\n");return;}/*首先,判断要修改的联系人中有没有相同的名字*/for(k=0;k<Count;k++){if(strcmp(name,friends[k].name)==0)y++;}/*如果,y等于1,说明只有一个需要修改的联系人*/if(y==1){for(k=0;k<Count;k++){if(strcmp(name,friends[k].name)==0){printf("请重新输入姓名\n");scanf("%s",);printf("请重新输入年龄\n");scanf("%d",&x.age);printf("请重新输入电话号码\n");scanf("%s",x.telephone);friends[k]=x;}}}/*如果,y大于1,说明你选择修改的人中,有多个相同名字的联系人*/ if(y>1){/*用序号来显示所有需要修改的联系人*/printf("此通讯录有%d个名字相同的联系人.\n",y);for(k=0;k<Count;k++){if(strcmp(name,friends[k].name)==0){printf("%d:姓名:%-10s",j,friends[k].name);printf("年龄:%-5d",friends[k].age);printf("电话:%13s\n",friends[k].telephone);j++;}}/*选择需要修改的联系人的序号*/printf("请选择所要修改的联系人序号:\n");scanf("%d",&t);for(k=0;k<Count;k++){if(strcmp(name,friends[k].name)==0){g++;if(g==t){/*如果g等于t,说明在序号中找到了需要修改的人*/ printf("请重新输入姓名\n");scanf("%s",);printf("请重新输入年龄\n");scanf("%d",&x.age);printf("请重新输入电话号码\n");scanf("%s",x.telephone);friends[k]=x;}}}}if(y==0)printf("无此联系人\n");}void Delete_friend(struct friends_list friends[],char*name,int n) {int l,h=0,y=0,i,k;int j=1;int a[50],t,g=0;if(Count==0){printf("通讯录是空的!\n");return;}/*如果,n等于1,说明用户选择单个删除*/if(n==1){/*首先,判断在修改的人当中有没有相同名字的*/for(i=0;i<Count;i++){if(strcmp(name,friends[i].name)==0)y++;}/*如果,y等于1,说明你需要修改的人当中只有一个*/if(y==1){for(l=0;l<Count;l++){if(strcmp(name,friends[l].name)==0){do{friends[l]=friends[l+1];l++;}while(l<Count);h++;Count--;printf("删除成功!\n");}}}/*如果,y>1 说明你要修改的人当中有多个相同的名字*/if(y>1){/*用序号来显示所有需要修改的联系人*/printf("有%d个相同的联系人:\n",y);for(l=0;l<Count;l++){if(strcmp(name,friends[l].name)==0){a[l]=l;printf("%d:姓名:%-10s",j,friends[l].name);printf("年龄:%-5d",friends[l].age);printf("电话:%13s\n",friends[l].telephone);j++;h++;}}/*选择需要修改的联系人序号*/printf("请选择所要删除的联系人序号:\n");scanf("%d",&t);for(k=0;k<Count;k++)if(strcmp(name,friends[k].name)==0){g++;if(g==t){/*如果g等于选择的序号t,就开始删除*/do{friends[k]=friends[k+1];k++;}while(k<Count);}if(g==t){/*这里又使用一个g等于t,表面上看是多余的.其实当在选择的序号超出现有的序号时,起到限制作用*/printf("删除成功!\n");Count--;}}}if(h==0)printf("没有此联系人\n");}/*如果n等于2,说明用户选择了全部删除*/if(n==2){Count=0;/*把Count赋0,也就是清空所有联系人*/printf("已全部删除!\n");} }。

#include<string.h> /*字符函数和字符串函数*/#include<conio.h> /*字符模式函数(调用getch()函数)*/#include<stdio.h> /*输入输出函数*/int i;struct person /*电子通讯录结构定义*/{char num[5];char name[11];char sex[2];char phone[12];char address[26];char post_num[11];}persons[50];FILE *fp;vonum dateload() /*数据载入函数*/{ int j;fp=fopen("person.bat","r+"); /*打开文件person.bat*/if(fp==NULL) /*判断是否存在person.bat,如果不存在则创建*/{ fp=fopen("person.bat","w");i=0;}else{ for(i=0;i<50;i++){ j=fgetc(fp);if(j==EOF) /*判断是否到了文件尾*/return;fseek(fp,i*sizeof(struct person),0);fread(&persons[i],sizeof(struct person),1,fp); /*从文件中读取一条记录*/}}}vonum Menu_Select() /*显示菜单界面*/{printf(" \n");printf(" \n");printf(" \n");printf(" Address Book Management System \n");printf(" \n");printf(" ======================\n");printf(" 1.Address book data Entry\n"); /*数据输入*/ printf(" 2.Address Book data Show\n"); /*数据显示*/ printf(" 3.Address Book data Search\n"); /*数据查找*/ printf(" 4.Address Book data Alter\n"); /*数据修改*/ printf(" 5.Address Book data Insert\n"); /*数据插入*/ printf(" 6.Address Book data Delete\n"); /*数据删除*/ printf(" 7.Address Book data Save\n"); /*数据保存*/ printf(" 0.Exit\n"); /*退出*/ printf(" ======================\n");printf( " Please chioce 0-7 \n\n");}int datecheck(int k,char num[5]) /*检查通讯录中是否存在相同num或num输入格式错误*/{int j;if(num[0]=='0')k=1;for(j=0;num[j]!='\0';j++){if(num[j]>'9'||num[j]<'0')k++;}for(j=0;j<i+1;j++){if(strcmp(num,persons[j].num)==0)k++;}return k;}vonum dateInput() /*数据输入函数*/{char yes_no='1';char num[5];int k=0;if(i>=50)printf("\n\n Storage full!\n\n");if(i<50){printf("************************************************************************\n");printf(" ******************* Add Address Book Information ***********************\n");printf("************************************************************************\n"); printf("************************************************************************\n"); }for(;i<50;i++){do{switch(yes_no){case '1': /*如果输入为'1',则进行数据输入*/printf(" ****** No.(4) Name(10) Sex(M/F) Phone(11) Address(25) Zip_Code(10)*******\n");scanf("%s%s%s%s%s%s",num,persons[i].name,persons[i].sex,persons[i].phone,persons [i].address,persons[i].post_num);datecheck(k,num);while(datecheck(k,num)>0) /*检查输入的num是否已存在,如果存在重新输入*/{printf("The No. already exists Or The No. isn't correct, please re-enter\n");scanf("%s",num);datecheck(k,num);}strcpy(persons[i].num,num);if(i<49){printf("\n\n Whether to be continue? Y(1)/N(0) \n\n");yes_no=getch();}if(i>=49)printf("\n\n Storage full!\n\n");break;case '0':break;default:yes_no=getch();}}while(yes_no!='1'&&yes_no!='0'); /*如果输入的不是'1'或'0'则重新输入*/if(yes_no=='0') /*如果输入'0'则退出输入函数*/{i++;break;}}}int The_Size(char a[],char b[]) /*比较两个num的大小*/{int j,t;if((j=strlen(a)-strlen(b))>0) t=1;if((j=strlen(a)-strlen(b))<0) t=-1;if((j=strlen(a)-strlen(b))==0){if(strcmp(a,b)>0) t=1;if(strcmp(a,b)<0) t=-1;if(strcmp(a,b)==0) t=0;}return t;}vonum dateShow() /*数据输出函数*/{ int j,k;char m;struct person t;printf("********************************************************************\n");printf(" No. Name Sex Phone Address Zip_Code \n");printf("********************************************************************\n");for(j=0;j<i-1;j++) /*对数据进行排序*/{ for(k=0;k<i-1-j;k++){if(The_Size(persons[k].num,persons[k+1].num)==1){t=persons[k];persons[k]=persons[k+1];persons[k+1]=t;}}}for(j=0;j<i;j++) /*数据输出*/{printf("%4s %10s %4s %11s %20s%10s\n",persons[j].num,persons[j].name,persons[j].sex,persons[j].phone,persons[j].address,persons[j].post_num);m=getch();if(m==' ')break;}printf("\n\n There are %d data in the book .\n\n",i);}vonum dateSearch() /*数据查找函数*/{char k;int j,a,b;char num[5];char NAME[11];printf("Search by No. : 1\n");printf("Search by name : 2\n");k=getch();switch(k){case '1': /*按num查找*/a=0;printf("\n\n Please enter the No.\n\n");scanf("%s",num);for(j=0;j<i+1;j++){if(strcmp(num,persons[j].num)==0){a++;printf(" No. Name Sex Phone Address Zip_Code \n");printf("%4s %10s %4s %11s %20s%10s\n",persons[j].num,persons[j].name,persons[j].sex,persons[j].phone,persons[j].address,persons[j].post_num);}}if(a==0)printf(" Do not have to find the No.!\n\n");break;case '2': /*按姓名查找*/b=0;printf("\n\n Please enter the Name\n\n");scanf("%s",NAME);for(j=0;j<i+1;j++){if(strcmp(NAME,persons[j].name)==0){b++;printf(" No. Name Sex Phone Address Zip_Code \n");printf("%4s %10s %4s %11s %20s%10s\n",persons[j].num,persons[j].name,persons[j].sex,persons[j].phone,persons[j].address,persons[j].post_num);}}if(b==0)printf(" Do not have to find the Name!\n\n");break;default:printf("\n\n Error!\n");break;}}vonum dateInsert() /*数据插入函数*/{ if(i>=50)printf("\n\n Storage full!\n\n");if(i<50){char num[5];int k=0;printf("Please enter the No. that you want to insert.\n");scanf("%s",num);datecheck(k,num); /*检查所需插入的num是否已存在,如果存在重新输入*/while(datecheck(k,num)>0){printf("The No. already exists Or The No. isn't correct, pleasere-enter\n");scanf("%s",num);datecheck(k,num);}strcpy(persons[i].num,num); /*插入数据*/ printf(" ****** Name(10) Sex(M/F) Phone(11) Address(30) Zip_Code(10)*******\n");scanf("%s%s%s%s%s",persons[i].name,persons[i].sex,persons[i].phone,persons[i].ad dress,persons[i].post_num);i++;}}vonum dateDelete() /*数据删除函数*/{int k,t=0;char num[5];printf("\n\n Please enter the No. need to be deleted\n\n");scanf("%s",num);for(k=0;k<i;k++){if(strcmp(persons[k].num,num)==0){t++;break;}}if(t==0)printf("\n\n The No. does not Exist!\n\n");if(t>0){for(;k<i;k++) /*删除位置前的元素顺序前移*/{persons[k]=persons[k+1];}printf("\n\n Delete success!\n\n");i=i-1;}}vonum dateAlter() /*修改函数*/{int k,t=0;char num[5];printf("\n\n Please enter the No. to be Amended\n\n");scanf("%s",num);for(k=0;k<i;k++){if(strcmp(persons[k].num,num)==0){t++;break;}}if(t==0)printf("\n\n The No. does not Exist!\n\n");if(t>0){strcpy(persons[k].num,num);printf(" ****** Name(10) Sex(M/F) Phone(11) Address(30) Zip_Code(10)*******\n");scanf("%s%s%s%s%s",persons[k].name,persons[k].sex,persons[k].phone,persons[k].ad dress,persons[k].post_num);printf("\n\n Alter Success!\n\n");}}vonum dateSave() /*数据保存函数*/{int j;fp=fopen("person.bat","w");for(j=0;j<=i-1;j++){fwrite(&persons[j],sizeof(struct person),1,fp);}printf("\n\n Save Success!\n\n");}vonum Exit() /*退出函数*/{char flag;printf(" Save or Not? (Y/N)\n"); /*判断是否保存*/do{flag=getch();switch(flag){。

C语言编程-通讯录#include<string.h> /*字符函数和字符串函数*/#include<conio.h> /*字符模式函数(调用getch()函数)*/#include<stdio.h> /*输入输出函数*/ int i;struct friend /*电子通讯录结构定义*/{char num[5]; /*编号*/char name[11]; /*名字*/char sex[2]; /*性别*/char phone[12]; /*电话*/char address[26]; /*地址*/char post_num[11]; /*邮编*/}friends[50];FILE *fp;void Data_load() /*数据载入函数*/{ int j;fp=fopen("friend.txt","r+"); /*打开文件friend.txt*/if(fp==NULL) /*判断是否存在friend.txt,如果不存在则创建*/ { fp=fopen("friend.txt","w");i=0;}else{ for(i=0;i<50;i++){ j=fgetc(fp);if(j==EOF)/*判断是否到了文件尾*/return;fseek(fp,i*sizeof(struct friend),0);fread(&friends[i],sizeof(struct friend),1,fp); /*从文件中读取一条记录*/}}}void Menu_Select() /*显示菜单界面*/{printf(" \n");printf(" \n");printf(" \n");printf(" Address Book Management System \n");printf(" \n");printf(" ======================\n"); printf(" 1.Address book data Entry\n"); /*数据输入*/printf(" 2.Address Book data Show\n"); /*数据显示*/printf(" 3.Address Book data Search\n"); /*数据查找*/printf(" 4.Address Book data Alter\n"); /*数据修改*/printf(" 5.Address Book data Insert\n"); /*数据插入*/printf(" 6.Address Book data Delete\n");/*数据删除*/printf(" 7.Address Book data Save\n"); /*数据保存*/printf(" 0.Exit\n"); /*退出*/printf(" ======================\n"); printf( " Please chioce 0-7 \n\n");}int Data_check(int k,char ID[5]) /*检查通讯录中是否存在相同ID或ID输入格式错误*/{int j;if(ID[0]=='0')k=1;for(j=0;ID[j]!='\0';j++){if(ID[j]>'9'||ID[j]<'0')k++;}for(j=0;j<i+1;j++){if(strcmp(ID,friends[j].num)==0)k++;}return k;}void Data_Input() /*数据输入函数*/{char yes_no='1';char ID[5];int k=0;if(i>=50)printf("\n\n Storage full!\n\n");if(i<50){printf("***************************************** *******************************\n");printf(" ******************* Add Address Book Information ***********************\n");printf("***************************************** *******************************\n");printf("***************************************** *******************************\n");}for(;i<50;i++){do{switch(yes_no){case '1': /*如果输入为'1',则进行数据输入*/printf(" ****** No.(4) Name(10) Sex(M/F) Phone(11) Address(25) Zip_Code(10)*******\n");scanf("%s%s%s%s%s%s",ID,friends[i].name,f riends[i].sex,friends[i].phone,friends[i].address,f riends[i].post_num);Data_check(k,ID);while(Data_check(k,ID)>0) /*检查输入的ID是否已存在,如果存在重新输入*/{printf("The No. already exists Or The No. isn't correct, please re-enter\n");scanf("%s",ID);Data_check(k,ID);}strcpy(friends[i].num,ID);if(i<49){printf("\n\n Whether to be continue? Y(1)/N(0) \n\n");yes_no=getch();}if(i>=49)printf("\n\nStorage full!\n\n");break;case '0':break;default:yes_no=getch();}}while(yes_no!='1'&&yes_no!='0'); /*如果输入的不是'1'或'0'则重新输入*/if(yes_no=='0')/*如果输入'0'则退出输入函数*/{i++;break;}}}int The_Size(char a[],char b[]) /*比较两个ID的大小*/{int j,t;if((j=strlen(a)-strlen(b))>0) t=1;if((j=strlen(a)-strlen(b))<0) t=-1;if((j=strlen(a)-strlen(b))==0){if(strcmp(a,b)>0) t=1;if(strcmp(a,b)<0) t=-1;if(strcmp(a,b)==0) t=0;}return t;}void Data_Show() /*数据输出函数*/{ int j,k;char m;struct friend t;printf("***************************************** ***************************\n");printf(" No. Name Sex Phone Address Zip_Code \n");printf("***************************************** ***************************\n");for(j=0;j<i-1;j++)/*对数据进行排序*/{ for(k=0;k<i-1-j;k++){if(The_Size(friends[k].num,friends[k+1].num)= =1){t=friends[k];friends[k]=friends[k+1];friends[k+1]=t;}}}for(j=0;j<i;j++)/*数据输出*/{printf("%4s %10s %4s %11s %20s %10s\n",fri ends[j].num,friends[j].name,friends[j].sex,friend s[j].phone,friends[j].address,friends[j].post_num );m=getch();if(m==' ')break;}printf("\n\n There are %d data in the book .\n\n",i);}void Data_Search() /*数据查找函数*/{char k;int j,a,b;char ID[5];char NAME[11];printf("Search by No. : 1\n");printf("Search by name : 2\n");k=getch();switch(k){case '1': /*按ID查找*/a=0;printf("\n\n Please enter the No.\n\n");scanf("%s",ID);for(j=0;j<i+1;j++){if(strcmp(ID,friends[j].num)==0){a++;printf(" No. Name Sex Phone Address Zip_Code \n");printf("%4s %10s %4s %11s %20s %10s\n",fri ends[j].num,friends[j].name,friends[j].sex,friend s[j].phone,friends[j].address,friends[j].post_num );}}if(a==0)printf(" Do not have to find the No.!\n\n");break;case '2': /*按姓名查找*/b=0;printf("\n\n Please enter the Name\n\n");scanf("%s",NAME);for(j=0;j<i+1;j++){if(strcmp(NAME,friends[j].name)==0){b++;printf(" No. Name Sex Phone Address Zip_Code \n");printf("%4s %10s %4s %11s %20s %10s\n",fri ends[j].num,friends[j].name,friends[j].sex,friend s[j].phone,friends[j].address,friends[j].post_num );}}if(b==0)printf(" Do not have to find the Name!\n\n");break;default:printf("\n\n Error!\n");break;}}void Data_Insert() /*数据插入函数*/{ if(i>=50)printf("\n\n Storage full!\n\n");if(i<50){char ID[5];int k=0;printf("Please enter the No. that you want to insert.\n");scanf("%s",ID);Data_check(k,ID);printf("%d",Data_check(k,ID)); /*检查所需插入的ID是否已存在,如果存在重新输入*/while(Data_check(k,ID)>0){printf("The No. already exists Or The No. isn't correct, please re-enter\n");scanf("%s",ID);Data_check(k,ID);}strcpy(friends[i].num,ID);/*插入数据*/printf(" ****** Name(10) Sex(M/F) Phone(11) Address(30) Zip_Code(10)*******\n");scanf("%s%s%s%s%s",friends[i].name,friends [i].sex,friends[i].phone,friends[i].address,friends [i].post_num);i++;}}void Data_Delete() /*数据删除函数*/{int k,t=0;char ID[5];printf("\n\n Please enter the No. need to be deleted\n\n");scanf("%s",ID);for(k=0;k<i;k++){if(strcmp(friends[k].num,ID)==0){t++;break;}}if(t==0)printf("\n\n The No. does not Exist!\n\n");if(t>0){for(;k<i;k++)/*删除位置前的元素顺序前移*/{friends[k]=friends[k+1];}printf("\n\n Delete success!\n\n");i=i-1;}}void Data_Alter() /*修改函数*/{int k,t=0;char ID[5];printf("\n\n Please enter the No. to be Amended\n\n");scanf("%s",ID);for(k=0;k<i;k++){if(strcmp(friends[k].num,ID)==0){t++;break;}}if(t==0)printf("\n\n The No. does not Exist!\n\n");if(t>0){strcpy(friends[k].num,ID);printf(" ****** Name(10) Sex(M/F) Phone(11) Address(30) Zip_Code(10)*******\n");scanf("%s%s%s%s%s",friends[k].name,friend s[k].sex,friends[k].phone,friends[k].address,frie nds[k].post_num);printf("\n\n Alter Success!\n\n");}}void Data_Save() /*数据保存函数*/{int j;fp=fopen("friend.txt","w");for(j=0;j<=i-1;j++){fwrite(&friends[j],sizeof(struct friend),1,fp);}printf("\n\n Save Success!\n\n");}void Exit() /*退出函数*/{char flag;printf(" Save or Not? (Y/N)\n"); /*判断是否保存*/do{flag=getch();switch(flag){case 'Y': /*保存*/Data_Save();break;case 'y': /*保存*/Data_Save();break;case 'N':break;case 'n':break;}}while(flag!='Y'&&flag!='y'&&flag!=' N'&&flag!='n');}void main(){ char choose,yes_no;Data_load();do{Menu_Select();choose=getch();switch(choose){case '1': Data_Input(); break; /*输入*/case '2': Data_Show(); break; /*显示*/case '3': Data_Search(); break; /*查找*/case '4': Data_Alter(); break; /*修改*/case '5': Data_Insert(); break; /*插入*/case '6': Data_Delete(); break; /*删除*/case '7': Data_Save(); break; /*保存*/case '0': Exit(); break; /*退出*/default : printf(" Error!\n");}if(choose=='0')break;printf(" Would you like to be continue? (Y/N)\n");do{yes_no=getch();}while(yes_no!='Y'&&yes_no!='y'&&yes _no!='N'&&yes_no!='n');if(yes_no=='N'||yes_no=='n'){Exit();break;}}while(yes_no!='Y'||yes_no!='y');。

C语⾔实现通讯录的详细代码⽬录（⼀）实现思路1.通讯录功能2.模块化实现各⽅⾯的功能3.代码实现（⼆）源代码A.test.cB.Contact.hC.Contact.c（⼀）实现思路1.通讯录功能添加好友，删除好友，查找好友，修改好友信息，对好友进⾏排序2.模块化实现各⽅⾯的功能a. test.c测试通讯录功能b. Contact.c实现通讯录功能c. Contact.h包含通讯录实现的头⽂件3.代码实现（⼆）源代码A.test.c#define _CRT_SECURE_NO_WARNINGS 1#include <stdio.h>#include <stdlib.h>#include <string.h>#include "contact.h"void menu(){printf("*******************************\n");printf("*** 1.Add 2.Del ***\n");printf("*** 3.Search 4.Modify ***\n");printf("*** 5.Show 6.Sort ***\n");printf("*** 7.Help 8.About0 ***\n");printf("*** 0.Exit ***\n");printf("*******************************\n");}int main(){int input = 0;//创建通讯录InitContact(&con);//使size的初始值，以及好友信息初始化为0； do{menu();printf("请选择：");scanf("%d", &input);switch (input){//添加好友信息case Add:AddContact(&con);break;//删除好友case Del:DelContact(&con);break;//查找好友信息case Search:SearchContact(&con);break;//修改好友信息case Modify:ModifyContact(&con);break;//显⽰好友信息case Show:ShowContact(&con);break;//好友排序case Sort:SortContact(&con);break;//退出case Exit:printf("退出通讯录！");break;//通讯录的使⽤以及帮助case Help:HelpContact();break;//关于通讯录case About:AboutContact();break;//选择错误default:printf("选择错误！");break;}} while (input);return 0;}B.Contact.h#define _CRT_SECURE_NO_WARNINGS 1#define Max 1000#define Max_name 20#define Max_sex 5#define Max_tele 12#define Max_addr 30enum OptionDel,Search,Modify,Show,Sort,Help,About};//创建⼀个结构体来存放通讯录中要存放的信息struct PeoInfo{char name[Max_name];int age;char sex[Max_sex];char tele[Max_tele];char addr[Max_addr];};//通讯录类型struct Contact{struct PeoInfo data[Max];//存放⼀个信息，包括好友姓名，年龄，性别，电话，地址 int size;//记录当前已经有的元素个数//存⼊⼀个好友，size加1，表⽰通讯录⼈数增加⼀个};//声明函数//1.对通讯录进⾏初始化void InitContact(struct Contact* ps);//增加好友信息void AddContact(struct Contact* ps);//删除好友void DelContact(struct Contact* ps);//查找指定姓名的好友void SearchContact(struct Contact* ps);//显⽰好友信息void ShowContact(const struct Contact* ps);//修改好友信息void ModifyContact( struct Contact* ps);//按名字⾸字母对通讯录的好友进⾏排序void SortContact( struct Contact* ps);//帮助使⽤通讯录void HelpContact();//关于通讯录void AboutContact();C.Contact.c#define _CRT_SECURE_NO_WARNINGS 1#include "contact.h"#include <stdio.h>#include <stdlib.h>#include <string.h>//初始化通讯录void InitContact(struct Contact* ps){memset(ps->data, 0, sizeof(ps->data));ps->size = 0;//设置通讯录最初只有0个元素}void HelpContact(){printf("各按键的使⽤：\n");printf("1.添加好友\n");printf("2.删除好友\n");printf("3.查找好友信息\n");printf("4.修改好友信息\n");printf("5.显⽰好友信息\n");printf("6.对好友进⾏排序\n");printf("7.帮助使⽤通讯录\n");printf("8.关于通讯录\n");printf("谢谢使⽤通讯录！\n");}//关于通讯录void AboutContact(){printf("通讯录⼀般指在⽇常⽣活中⽤笔记录，也在⼿机，电脑，电⼦字典等电⼦产品中拥有这个功能。