#include<stdio.h>
#include<string.h>
#include<windows.h>
#include<math.h>
#include<stdlib.h>
#include<time.h>
#include<dos.h>
#include<conio.h>
int main()
{
    system("color f4");
    struct BOOK
{
	char title[20];
	char author[20];
	char publice[20];
	char time[20];
	float price;
	char locate[20];
	int base;
	//书籍名称，作者，出版社，出版日期，价格，在目录中的位置
};

	struct BOOK *book;
    int N=5;
    book=(struct BOOK*)malloc(N*sizeof(struct BOOK));
	strcpy( book[0].title, "《浪潮之巅》");
    strcpy( book[0].author, "吴军");
    strcpy( book[0].publice, "人民邮电出版社");
    strcpy( book[0].time, "2016年5月1日");
	book[0].price=99.00;
	strcpy( book[0].locate, "二楼302");
    book[0].base=50;

    strcpy( book[1].title, "《人间失格》");
    strcpy( book[1].author, "太宰治");
    strcpy( book[1].publice, "现代出版社");
    strcpy( book[1].time, "2016年10月");
	book[1].price=26.00;
	strcpy( book[1].locate, "二楼302");

    strcpy( book[2].title, "《围城》");
    strcpy( book[2].author, "钱钟书");
    strcpy( book[2].publice, "上海晨光出版社");
    strcpy( book[2].time, "1947年");
	book[2].price=40.00;
	strcpy( book[2].locate, "二楼302");

	strcpy( book[3].title, "《红高粱家族》");
    strcpy( book[3].author, "莫言");
    strcpy( book[3].publice, "人民文学出版社");
    strcpy( book[3].time, "2007年1月");
	book[3].price=28.00;
	strcpy( book[3].locate, "二楼302");

	strcpy( book[4].title, "《百年孤独》");
    strcpy( book[4].author, "加西亚·马尔克斯");
    strcpy( book[4].publice, "新经典文化");
    strcpy( book[4].time, "2011年6月");
	book[4].price=39.50;
	strcpy( book[4].locate, "二楼302");




		    struct user
		    {
		    	char user_name[100];
		    	char user_pass[100];
			}stu[2]={{"xiaocong001","123456"},{"zhuzhu002","123456"}};
			int num1=0;
			int num2=0;
			printf("***************欢迎来到深夜书店存货清单管理系统登录界面***************\n");                  //登录系统
			while(1)
			{
			    printf("\t\t请输入您的用户名：");
				char u[100];

				scanf("%s",u);

				if(strcmp(stu[0].user_name,u)==0||strcmp(stu[1].user_name,u)==0)
				{
					break;
				}

				else{
					printf("不存在此用户！请重新输入！\n");
					num1++;
					if(num1==3)
					{
					printf("\n\t\t很抱歉，您没有权限进入系统！\n");
					exit(0); }
				}
			}
			system("cls");
			printf("***************欢迎来到深夜书店存货清单管理系统登录界面***************\n");
			printf("\t\t请输入密码：");
			while(1)
			{
				char p[100];
			scanf("%s",p);
			if(strcmp(stu[0].user_pass,p)==0)
			{
				printf("   登录成功\n");
				break;
			}else
			{
				printf("               密码错误，请重新输入");
				num2++;
				if(num2==3)
				{
					printf("密码输入错误超过三次，系统即将关闭");
					exit(0);
				}
		}
			}
			system("cls");                //刷屏
            system("color e5");




	char t[20],a[20];
	int i;

	printf("请输入您要寻找的书名和作者\n") ;
	scanf("%s%s",&t,&a);
		for(i=0;i<5;i++)
		{
			if((strcmp(t,book[i].title)==0))
			{
			    if((strcmp(a,book[i].author)==0))
                {
                    printf("The book is in the list.");
                    printf( "书名 :   %s\n", book[i].title);
                    printf( "作者 :  %s\n", book[i].author);
                    printf( "出版社 : %s\n", book[i].publice);
                    printf( "出版时间 :    %s\n", book[i].time);
                    printf("库存\n");
                    printf("请输入所需数量:");
                    int n;
                    scanf("%d",&n);
                    if(n>(book[i].base))
                    {
                        printf("所需数量不在库存范围内");
                    }
                    else
                    {
                        book[i].base=book[i].base - n;
                        printf("已选定%d 本 %s\n",n,book[i].title);
                    }
			}
		}
		}

return 0;
}