纯C语言图书管理系统源码

#include https://wy.guahao.com/expert/38505d5c-f809-4609-91ac-b787229b7bc4000

#include

#include

 

//图书结构体

struct Book{              //图书的结构体

         char isbn[10];  //图书的编号

         char name[20];         //图书的名字

         int type;            //图书的类型 1.编程类 2.小说类 3.杂志类

         int exist;            //图书是否被借出

}g_books[1000];

 

int g_count;     //当前图书的数量

 

//显示菜单，并返回选择的菜单号

int ShowMenu()

{

         int num;

         system("cls");

         printf("--------------------图书馆-----------------------\n");

         printf("\t\t1.添加图书\n");

         printf("\t\t2.查看图书\n");

         printf("\t\t3.借阅图书\n");

         printf("\t\t4.归还图书\n");

         printf("\t\t0.退出系统\n");

         printf("--------------------请选择-----------------------\n");

         while(scanf("%d", &num) != 1 || num < 0 || num > 4)

         {

                   printf("你选择的菜单错误！按任意键重新选择。\n");

                   system("pause");

                   fflush(stdin);//清空输入缓冲区

         }

         return num;

}

 

//添加图书

void AddBook()

{

         printf("请输入图书的编号：");

         scanf(" %s", g_books[g_count].isbn);

         printf("请输入图书的名字：");

         scanf(" %s", g_books[g_count].name);

         printf("请输入图书的类型（1~3）：");

         while(scanf("%d", &g_books[g_count].type) != 1

                   || g_books[g_count].type < 1 || g_books[g_count].type > 3)

         {

                   printf("对不起，你输入的图书类型不正确，请重新输入：");

                   fflush(stdin);

         }

         g_books[g_count].exist = 1;

         ++g_count;//把图书的数量增加一本

         printf("图书添加成功！\n");

}

 

//查看图书

void ShowBooks()

{

         int i;

         printf("\n本图书馆现有如下图书供你借阅。\n");

         for(i = 0; i < g_count; ++i)

         {

                   printf("图书编号：%-10s, 图书名字：%-20s, 图书类型：%d\n", 

                            g_books[i].isbn, g_books[i].name, g_books[i].type);

         }

}

 

int main()

{

         int quit = 0;

         while(quit == 0)

         {

                   switch(ShowMenu())

                   {

                            case 0:

                            quit = 1;

                            break;

                            case 1:

//                         printf("添加图书！\n");

                            AddBook();

                            break;

                            case 2:

//                         printf("查看图书！\n");

                            ShowBooks();

                            break;

                            case 3:

                            printf("借阅图书！\n");

                            break;

                            case 4:

                            printf("归还图书!\n");

                            break;

                   }

                   system("pause");

         }

        

         return 0;

}

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