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，今天无意中居然在QQ网络硬盘中找到了当初的teta版，公布于此，以作纪念。

C源码例如以下：

#include<stdio.h> #include<stdlib.h> #include<string.h> struct book{ char book_name[30]; 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);/*浏览全部图书信息*/ void Print_Club(struct club *head_club);/*浏览全部会员信息*/ 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);/*添加�图书，逐个加入�*/ 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; char *b_name,*c_name; 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]:加入�图书/t");printf(" [8]:加入�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("相关信息例如以下:/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("相关信息例如以下:/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("相关信息例如以下:/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("相关信息例如以下:/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("相关信息例如以下:/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("请输入单位价格:"); 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加入�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("相关信息例如以下:/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("相关信息例如以下:/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("相关信息例如以下:/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加入�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("请输入单位价格:"); 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("请输入单位价格:"); 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("图书单位价格:%.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_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("图书单位价格:%.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("图书单位价格:%.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 *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); } else ptr1_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,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,ptr_club->name); /*字符串的复制，把右边的内容拷贝到左边*/ 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冊为会员!/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); } else ptr1_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图书单位价格/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); }