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("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);
}

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