|
|
#include<stdio.h>
|
|
|
#include<stdlib.h>
|
|
|
#include<string.h>
|
|
|
#include<conio.h>
|
|
|
#include<windows.h>
|
|
|
//书店存货结构体
|
|
|
struct BookStore
|
|
|
{
|
|
|
char name[100];
|
|
|
//书籍的名称?
|
|
|
char author[100];
|
|
|
//?作者?
|
|
|
char publish[100];
|
|
|
//出版社
|
|
|
long date;
|
|
|
//出版日期
|
|
|
double price;
|
|
|
//价格
|
|
|
int location;
|
|
|
//在目录中的位置
|
|
|
int count;
|
|
|
//当前图书的数量
|
|
|
int exist;
|
|
|
//图书是否被借出
|
|
|
}typedef books;
|
|
|
struct BookStore a[5]=
|
|
|
{
|
|
|
{"C语言程序设计","童启","电子工业出版社",2018.2,49.00,1,100},
|
|
|
{"高等数学","同济大学数学系","高等教育出版社",2018.6,47.60,2,100},
|
|
|
{"21天学通C++","刘蕾","""电子工业出版社",2014.1,59.80,3,100},
|
|
|
{"算法基础","Richard E.Neapolitan","人民邮电出版社",2016.3,99.00,4,100},
|
|
|
{"Java从入门到精通","明日科技","清华大学出版社",2016.10,69.60,5,100},
|
|
|
};
|
|
|
void display();
|
|
|
int main()
|
|
|
{
|
|
|
system("title 书店存货清单3.0版本");
|
|
|
display();
|
|
|
int i=0,n=0,flag=0,j=0;
|
|
|
double sum=0;
|
|
|
char c,name[100];
|
|
|
printf("\n\n\n\n\n\n\n\n\n\n\n");
|
|
|
printf(" 欢迎光临本书店，");
|
|
|
flag1:
|
|
|
printf("请输入你所需要的书籍名字：");
|
|
|
fflush(stdin);
|
|
|
//清空输入缓冲区,为了确保不影响后面的数据读取
|
|
|
gets(name);
|
|
|
for(i=0;i<5;i++)
|
|
|
{
|
|
|
j++;
|
|
|
//j加到5说明未找到该书籍
|
|
|
if(strcmp(a[i].name,name)==0)
|
|
|
{
|
|
|
printf("书名：");
|
|
|
puts(a[i].name);
|
|
|
printf(" 作者：");
|
|
|
puts(a[i].author);
|
|
|
printf(" 出版社：");
|
|
|
puts(a[i].publish);
|
|
|
printf(" 出版日期：%d\n",a[i].date);
|
|
|
printf(" 价格：%.2lf\n",a[i].price);
|
|
|
printf(" 位置：%d\n",a[i].location);
|
|
|
printf(" 库存：%d\n",a[i].count);
|
|
|
printf(" 请输入所需数量：");
|
|
|
fflush(stdin);
|
|
|
scanf("%d",&n);
|
|
|
if(n<=a[i].count){
|
|
|
sum=n*a[i].price;
|
|
|
printf(" 总价为：%.2lf\n",sum);
|
|
|
}
|
|
|
|
|
|
else
|
|
|
printf(" 所需数量不在库存范围内\n");
|
|
|
printf(" 是否还想买其他书籍？（Y/N）\n");
|
|
|
fflush(stdin);
|
|
|
scanf("%c",&c);
|
|
|
if(c=='y'||c=='Y')
|
|
|
goto flag1;
|
|
|
else if(c=='n'||c=='N')
|
|
|
{
|
|
|
j=0;
|
|
|
//当要退出时使j清0，防止当所找书籍位置为5时跳出for循环而误入下一个if语句
|
|
|
printf(" 谢谢使用，再见！\n");
|
|
|
return 0;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
if(j==5)
|
|
|
{
|
|
|
j=0;
|
|
|
printf(" 未查找到该书籍，请重新输入\n");
|
|
|
goto flag1;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
j=0;
|
|
|
printf(" 未查找到该书籍，请重新输入\n");
|
|
|
goto flag1;
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
void display()
|
|
|
{
|
|
|
printf("\n\n\n\n\n\n");
|
|
|
system("color 7A");
|
|
|
printf("欢迎使用书籍存货系统\n\n");
|
|
|
Sleep(500);
|
|
|
printf(" ——计算机1801班罗锐、雷湘辉\n\n");
|
|
|
printf(" 【请按任意键继续】 ");
|
|
|
getch();
|
|
|
system("cls");
|
|
|
system("color 60");
|
|
|
}
|
|
|
|
|
|
|
