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图书管理系统设计图书管理信息包括：图书名称、图书编号、单价、作者、存在状态、借书人姓名、性别、学号等功能描述：1．新进熟土基本信息的输入2．图书基本信息的查询3．对撤消图书信息的删除4．为借书人办理注册5．办理借书手续6．办理换书手续要求：以文件方式存储数据，系统以菜单方式工作。
这是本人大一第二学期初C语言课程设计的作品，嘿嘿，本来以为已经找不到原稿了，今天无意中竟然在QQ网络硬盘中找到了当初的teta版，发布于此，以作纪念。
C源代码如下：#include<stdio.h>#include<stdlib.h>#include<string.h>struct book{int bianhao;double price;char author[20];char state[20];char name[20];char sex[10];int xuehao;struct book *book_next;};struct club{char name[20];char sex[10];int xuehao;char borrow[30];struct club *club_next;};void Print_Book(struct book *head_book);/*浏览所有图书信息*/void Print_Club(struct club *head_club);/*浏览所有会员信息*/struct book *Create_New_Book();/*创建新的图书库，图书编号输入为0时结束*/ struct book *Search_Book_bianhao(int bianhao,struct book *head_book);struct book *Search_Book_name(char *b_name,struct book *head_book);struct book *Search_Book_price(double price_h,double price_l,struct book *head_book);struct book *Insert_Book(struct book *head_book,struct book *stud_book);/*增加图书，逐个添加*/struct book *Delete_Book(struct book *head_book,int bianhao);/*删除图书*/ struct club *Create_New_Club();struct club *Search_Club_xuehao(int xuehao,struct club *head_club);struct club *Search_Club_name(char *c_name,struct club *head_club);struct club *Insert_Club(struct club *head_club,struct club *stud_club);struct club *Delete_Club(struct club *head_club,int xuehao);struct book *Lent_Book(int bianhao,int xuehao,struct book *head_book,struct club *head_club);struct book *back(int bianhao,int xuehao,struct book *head_book,struct club *head_club);int main(){struct book *head_book,*p_book;char book_name[30],name[20],author[20],sex[10];int bianhao;double price,price_h,price_l;int size_book=sizeof(struct book);int m=1,n=1,f;struct club *head_club,*p_club;int xuehao;int size_club=sizeof(struct club);int choice;printf("\n欢迎您第一次进入图书管理系统!\n\n");printf("----->[向导]----->[新建图书库]\n\n");printf("注意:当输入图书编号为0时,进入下一步.\n\n");head_book=Create_New_Book();system("cls");printf("\n欢迎您第一次进入图书管理系统!\n\n");printf("----->[向导]----->[新建会员库]\n\n");printf("注意:当输入会员学号为0时,进入主菜单.\n\n");head_club=Create_New_Club();system("cls");do{printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("\n");printf("\t\t\t[1]:借书办理\t");printf(" [6]:还书办理\n");printf("\n");printf("\t\t\t[2]:查询图书\t");printf(" [7]:查询会员\n");printf("\t\t\t[3]:添加图书\t");printf(" [8]:添加会员\n");printf("\t\t\t[4]:删除图书\t");printf(" [9]:删除会员\n");printf("\t\t\t[5]:遍历图书\t");printf("[10]:遍历会员\n\n");printf("\t\t\t〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓\n\n");printf("\t\t\t0:退出\n\n");printf("请选择<0~10>:");scanf("%d",&choice);switch(choice){case 1:printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("输入所借图书编号:\n");scanf("%d",&bianhao);printf("输入借书人的学号:\n");scanf("%d",&xuehao);head_book=Lent_Book(bianhao,xuehao,head_book,head_club);system("cls");printf("\n借阅成功!\n\n");printf("相关信息如下:\n\n");head_book=Search_Book_bianhao(bianhao,head_book);break;case 2:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("1.按编号查询\n\n");printf("2.按名称查询\n\n");printf("3.按价格区间查询\n\n");printf("0.返回主菜单\n\n");printf("请选择:");scanf("%d",&f);if(f==1){printf("请输入查询图书编号:");scanf("%d",&bianhao);printf("相关信息如下:\n\n");head_book=Search_Book_bianhao(bianhao,head_book); break;}else if(f==2){b_name=book_name;getchar();printf("请输入查询图书名称:");gets(b_name);printf("相关信息如下:\n\n");head_book=Search_Book_name(b_name,head_book);break;}else if(f==3){printf("请输入最高价格:");scanf("%lf",&price_h);printf("请输入最低价格:");scanf("%lf",&price_l);printf("相关信息如下:\n\n");head_book=Search_Book_price(price_h,price_l,head_book); break;}else if(f==0){break;}break;case 6:printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n"); printf("输入所还图书编号:\n");scanf("%d",&bianhao);printf("输入还书人的学号:\n");scanf("%d",&xuehao);head_book=back(bianhao,xuehao,head_book,head_club); system("cls");printf("\n归还成功!\n\n");printf("相关信息如下:\n\n");head_book=Search_Book_bianhao(bianhao,head_book);break;case 3:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("请输入图书名称:");scanf("%s",book_name);printf("请输入图书编号:");scanf("%d",&bianhao);printf("请输入单价:");scanf("%lf",&price);printf("请输入作者名字:");scanf("%s",author);printf("\n");struct book *ptr_b;for(ptr_b=head_book;ptr_b;ptr_b=ptr_b->book_next){if(ptr_b->bianhao==bianhao){printf("此编号图书已存在\n"); m=0;break;}}if(m){p_book=(struct book *)malloc(size_book);strcpy(p_book->book_name,book_name);p_book->bianhao=bianhao;p_book->price=price;p_book->xuehao=0;strcpy(p_book->author,author);strcpy(p_book->state,"存在");strcpy(p_book->sex,"待定");strcpy(p_book->name,"待定");head_book=Insert_Book(head_book,p_book);printf("\n添加图书成功!\n\n");}break;case 4:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("输入删除图书编号:\n");scanf("%d",&bianhao);head_book=Delete_Book(head_book,bianhao);printf("\n删除图书成功!\n\n");break;case 5:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n"); Print_Book(head_book);break;case 7:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n"); printf("1.按学号查询\n\n");printf("2.按姓名查询\n\n");printf("0.返回主菜单\n\n");printf("请选择:");scanf("%d",&f);if(f==1){printf("请输入查询会员学号:");scanf("%d",&xuehao);printf("相关信息如下:\n\n");head_club=Search_Club_xuehao(xuehao,head_club);break;}else if(f==2){c_name=name;getchar();printf("请输入查询会员姓名:");gets(c_name);printf("相关信息如下:\n\n");head_club=Search_Club_name(c_name,head_club);break;}else if(f==0){break;}break;printf("请输入查询会员学号:\n");scanf("%d",&xuehao);printf("相关信息如下:\n\n");break;case 8:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n"); printf("请输入会员名字:");scanf("%s",name);printf("请输入会员性别:");scanf("%s",sex);printf("请输入会员学号:");scanf("%d",&xuehao);printf("\n");struct club *ptr_c;for(ptr_c=head_club;ptr_c;ptr_c=ptr_c->club_next){if(ptr_c->xuehao==xuehao){printf("此学号会员已存在\n");n=0; break; }}if(n){p_club=(struct club *)malloc(sizeof(struct club));strcpy(p_club->name,name);strcpy(p_club->sex,sex);p_club->xuehao=xuehao;strcpy(p_club->borrow,"暂无");head_club=Insert_Club(head_club,p_club);printf("\n添加会员成功!\n\n");}break;case 9:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("输入要删除会员学号:\n");scanf("%d",&xuehao);head_club=Delete_Club(head_club,xuehao);printf("\n删除会员成功!\n\n"); break;case 10:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");Print_Club(head_club); break;case 0:system("cls");printf("\n\t\t\t〓〓〓〓〓图书管理系统〓〓〓〓〓\n\n");printf("\n谢谢您的使用!\n\n"); break;}}while(choice!=0);return 0;}struct book *Create_New_Book(){struct book *head_book,*p_book;int bianhao;double price;char book_name[30],author[20];int size_book=sizeof(struct book);head_book=NULL;printf("请输入图书名称:");scanf("%s",book_name);printf("请输入图书编号:");scanf("%d",&bianhao);printf("请输入单价:");scanf("%lf",&price);printf("请输入作者名字:");scanf("%s",author);printf("\n");while(bianhao!=0){p_book=(struct book *)malloc(size_book);strcpy(p_book->book_name,book_name);p_book->bianhao=bianhao;p_book->price=price;p_book->xuehao=0;strcpy(p_book->author,author);strcpy(p_book->state,"存在");strcpy(p_book->sex,"待定");strcpy(p_book->name,"待定");head_book=Insert_Book(head_book,p_book);printf("请输入图书名称:");scanf("%s",book_name);printf("请输入图书编号:");scanf("%d",&bianhao);printf("请输入单价:");scanf("%lf",&price);printf("请输入作者名字:");scanf("%s",author); printf("\n");}return head_book;}struct book *Search_Book_bianhao(int bianhao,struct book *head_book) {struct book *ptr_book; int flag=0;for(ptr_book=head_book;ptr_book;ptr_book=ptr_book->book_next){if(ptr_book->bianhao==bianhao){printf("图书编号:%d\n",ptr_book->bianhao);printf("图书名称:%s\n",ptr_book->book_name);printf("图书单价:%.2lf\n",ptr_book->price);printf("存在状态:%s\n",ptr_book->state);printf("借书人姓名:%s\n",ptr_book->name);printf("借书人性别:%s\n",ptr_book->sex);printf("学号:%d\n",ptr_book->xuehao);printf("\n"); flag++;}}if(flag==0){printf("暂无此图书信息!\n\n"); }return head_book;}struct book *Search_Book_name(char *b_name,struct book *head_book){struct book *ptr_book;int flag=0;for(ptr_book=head_book;ptr_book;ptr_book=ptr_book->book_next){if(strcmp(ptr_book->book_name,b_name)==0){printf("图书编号:%d\n",ptr_book->bianhao);printf("图书名称:%s\n",ptr_book->book_name);printf("图书单价:%.2lf\n",ptr_book->price);printf("图书作者:%s\n",ptr_book->author);printf("存在状态:%s\n",ptr_book->state);printf("借书人姓名:%s\n",ptr_book->name);printf("借书人性别:%s\n",ptr_book->sex);printf("学号:%d\n",ptr_book->xuehao);printf("\n");flag++;}}if(flag==0){printf("暂无此图书信息!\n\n"); }return head_book;}struct book *Search_Book_price(double price_h,double price_l,struct book *head_book){struct book *ptr_book;int flag=0;for(ptr_book=head_book;ptr_book;ptr_book=ptr_book->book_next){if((ptr_book->price>=price_l)&&(ptr_book->price<=price_h)){printf("图书编号:%d\n",ptr_book->bianhao);printf("图书名称:%s\n",ptr_book->book_name);printf("图书单价:%.2lf\n",ptr_book->price);printf("图书作者:%s\n",ptr_book->author);printf("借书人姓名:%s\n",ptr_book->name);printf("借书人性别:%s\n",ptr_book->sex);printf("学号:%d\n",ptr_book->xuehao);printf("\n");flag++;}}if(flag==0){printf("暂无此图书信息!\n\n"); }return head_book;}struct book *Delete_Book(struct book *head_book,int bianhao) {struct book *ptr1_book,*ptr2_book;while(head_book!=NULL && head_book->bianhao==bianhao){ptr2_book=head_book;head_book=head_book->book_next;free(ptr2_book);}if(head_book==NULL) return NULL;ptr1_book=head_book;ptr2_book=head_book->book_next;while(ptr2_book!=NULL){if(ptr2_book->bianhao==bianhao){ptr1_book->book_next=ptr2_book->book_next;free(ptr2_book);}elseptr1_book=ptr2_book;ptr2_book=ptr1_book->book_next;}return head_book;}struct club *Create_New_Club(){struct club *head_club,*p_club;int xuehao;char name[20],sex[10];int size_club=sizeof(struct club);head_club=NULL;printf("请输入会员名字:");scanf("%s",name);printf("请输入会员性别:");scanf("%s",sex);printf("请输入会员学号:"); scanf("%d",&xuehao);printf("\n");while(xuehao!=0){p_club=(struct club *)malloc(size_club);strcpy(p_club->name,name);strcpy(p_club->sex,sex);p_club->xuehao=xuehao;strcpy(p_club->borrow,"暂无");head_club=Insert_Club(head_club,p_club);printf("请输入会员名字:");scanf("%s",name);printf("请输入会员性别:");scanf("%s",sex);printf("请输入会员学号:"); scanf("%d",&xuehao);printf("\n");}return head_club;}struct club *Search_Club_xuehao(int xuehao,struct club *head_club){struct club *ptr_club;int flag=0;for(ptr_club=head_club;ptr_club;ptr_club=ptr_club->club_next){if(ptr_club->xuehao==xuehao){printf("会员姓名:%s\n",ptr_club->name);printf("会员性别:%s\n",ptr_club->sex);printf("会员学号:%d\n",ptr_club->xuehao);printf("所借图书:%s\n",ptr_club->borrow);printf("\n"); flag++;}}if(flag==0){printf("此用户不存在!\n\n"); }return head_club;}struct club *Search_Club_name(char *c_name,struct club *head_club){struct club *ptr_club; int flag=0;for(ptr_club=head_club;ptr_club;ptr_club=ptr_club->club_next){if(strcmp(ptr_club->name,c_name)==0){printf("会员姓名:%s\n",ptr_club->name);printf("会员性别:%s\n",ptr_club->sex);printf("会员学号:%d\n",ptr_club->xuehao);printf("所借图书:%s\n",ptr_club->borrow);printf("\n"); flag++; }}if(flag==0){ printf("此用户不存在!\n\n"); }return head_club;}struct book *Lent_Book(int bianhao,int xuehao,struct book *head_book,structclub *head_club){struct book *ptr_book;struct club *ptr_club;int flag=0;for(ptr_book=head_book;ptr_book;ptr_book=ptr_book->book_next)for(ptr_club=head_club;ptr_club;ptr_club=ptr_club->club_next){if((ptr_book->bianhao==bianhao)&&(ptr_club->xuehao==xuehao)){strcpy(ptr_book->name,ptr_club->name); /*字符串的复制，把右边的内容复制到左边*/strcpy(ptr_book->sex,ptr_club->sex);ptr_book->xuehao=ptr_club->xuehao;strcpy(ptr_book->state,"暂无");strcpy(ptr_club->borrow,ptr_book->book_name); flag++; }if(flag==0){printf("暂无此图书或您还未注册为会员!\n\n"); }}return head_book;}struct book *back(int bianhao,int xuehao,struct book *head_book,struct club *head_club){struct book *ptr_book; struct club *ptr_club;int flag=0;for(ptr_book=head_book;ptr_book;ptr_book=ptr_book->book_next)for(ptr_club=head_club;ptr_club;ptr_club=ptr_club->club_next){if((ptr_book->bianhao==bianhao) && (ptr_club->xuehao==xuehao)){strcpy(ptr_book->name,"暂无"); strcpy(ptr_book->sex,"待定");ptr_book->xuehao=0;strcpy(ptr_book->state,"暂无");strcpy(ptr_club->borrow,"暂无");flag++; }if(flag==0){ printf("输入有误，请重试\n\n"); }}return head_book;}struct book *Insert_Book(struct book *head_book,struct book *stud_book) {struct book *ptr_b,*ptr1_b,*ptr2_b;ptr2_b=head_book; ptr_b=stud_book;if(head_book==NULL){head_book=ptr_b;head_book->book_next=NULL;}else{while((ptr_b->bianhao > ptr2_b->bianhao) && (ptr2_b->book_next!=NULL)){ptr1_b=ptr2_b; ptr2_b=ptr2_b->book_next;}if(ptr_b->bianhao <= ptr2_b->bianhao){if(head_book==ptr2_b) head_book=ptr_b;else ptr1_b->book_next=ptr_b;ptr_b->book_next=ptr2_b;}else{ptr2_b->book_next=ptr_b;ptr_b->book_next=NULL;}}return head_book;}struct club *Insert_Club(struct club *head_club,struct club *stud_club) {struct club *ptr_c,*ptr1_c,*ptr2_c;ptr2_c=head_club; ptr_c=stud_club;if(head_club==NULL){head_club=ptr_c;head_club->club_next=NULL;}else{while((ptr_c->xuehao > ptr2_c->xuehao) && (ptr2_c->club_next!=NULL)){ ptr1_c=ptr2_c; ptr2_c=ptr2_c->club_next;}if(ptr_c->xuehao <= ptr2_c->xuehao){if(head_club==ptr2_c) head_club=ptr_c;else ptr1_c->club_next=ptr_c;ptr_c->club_next=ptr2_c;}else{ptr2_c->club_next=ptr_c;ptr_c->club_next=NULL;}}return head_club;}void Print_Club(struct club *head_club){struct club *ptr_c;if(head_club==NULL){printf("\n无记录\n\n");return;}printf("\n会员姓名\t会员性别\t会员学号\n\n");for(ptr_c=head_club;ptr_c;ptr_c=ptr_c->club_next)printf("%s\t\t%s\t\t%d\n",ptr_c->name,ptr_c->sex,ptr_c->xuehao);}struct club *Delete_Club(struct club *head_club,int xuehao){struct club *ptr1_club,*ptr2_club;while(head_club!=NULL && head_club->xuehao==xuehao){ptr2_club=head_club; head_club=head_club->club_next;free(ptr2_club);}if(head_club==NULL) return NULL;ptr1_club=head_club; ptr2_club=head_club->club_next;while(ptr2_club!=NULL){if(ptr2_club->xuehao==xuehao){ptr1_club->club_next=ptr2_club->club_next;free(ptr2_club);}elseptr1_club=ptr2_club;ptr2_club=ptr1_club->club_next;}return head_club;}void Print_Book(struct book *head_book){struct book *ptr_b;if(head_book==NULL){printf("\n无记录\n\n");return;}printf("\n图书编号\t图书名称\t图书单价\t图书作者\n\n");for(ptr_b=head_book;ptr_b;ptr_b=ptr_b->book_next)printf("%d\t\t%s\t\t%.2lf\t\t%s\n\n",ptr_b->bianhao,ptr_b->book_name,ptr_b->price,ptr_b->author);}。
