C语言图书管理系统课程设计

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{
 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;
 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 * /t");printf(" [6]:还 * /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("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("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);
   }
   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);
}

来源：http://blog.csdn.net/iamskying/article/details/4496437