|
|
#include<stdio.h>
|
|
|
#include<stdlib.h>
|
|
|
#include<string.h>
|
|
|
#include<conio.h>
|
|
|
#include<windows.h>
|
|
|
//书店存货结构体
|
|
|
typedef struct BookStore
|
|
|
{
|
|
|
char name[100];
|
|
|
//书籍的名称?
|
|
|
char author[100];
|
|
|
// 作者?
|
|
|
char publish[100];
|
|
|
//出版社
|
|
|
float 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
|
|
|
}books;
|
|
|
void display();
|
|
|
void menu();
|
|
|
void buy();
|
|
|
void add();
|
|
|
int main()
|
|
|
{
|
|
|
char ch;
|
|
|
system("title 书店存货清单");
|
|
|
display();
|
|
|
menu();
|
|
|
ch=getchar();
|
|
|
switch (ch)
|
|
|
{
|
|
|
case '0':
|
|
|
printf(" 谢谢使用，再见！\n");
|
|
|
return 0;
|
|
|
case '1':
|
|
|
buy();
|
|
|
break;
|
|
|
case '2':
|
|
|
add();
|
|
|
system("cls");
|
|
|
buy();
|
|
|
break;
|
|
|
}
|
|
|
return 0;
|
|
|
}
|
|
|
void display()
|
|
|
{
|
|
|
printf("\n\n\n\n\n\n");
|
|
|
system("color 7A");
|
|
|
printf("欢迎使用书店存货清单\n\n");
|
|
|
Sleep(500);
|
|
|
printf(" ——计算机1801班雷湘辉、罗锐\n\n");
|
|
|
Sleep(500);
|
|
|
printf(" （请按任意键继续）");
|
|
|
getch();
|
|
|
system("cls");
|
|
|
system("color 70");
|
|
|
}
|
|
|
void menu()
|
|
|
{
|
|
|
printf("请选择功能：\n");
|
|
|
/*printf("(1)购买书籍；(2)添加书籍；(0)退出程序\n");*/
|
|
|
printf("---------购买书籍请输入[1]:\n");
|
|
|
printf("---------添加书籍请输入[2]:\n");
|
|
|
printf("---------退出程序请输入[0]:\n");
|
|
|
}
|
|
|
void buy()
|
|
|
{
|
|
|
FILE *fp;
|
|
|
if((fp=fopen("books.txt","r+"))==NULL)
|
|
|
{
|
|
|
printf("文件打开失败！\n");
|
|
|
system("pause");
|
|
|
return;
|
|
|
}
|
|
|
books a[100];
|
|
|
system("cls");
|
|
|
printf(" ————购买书籍————\n");
|
|
|
int i=0,n=0,flag=0,j=0,sum=0;
|
|
|
char c,name[100];
|
|
|
while(!feof(fp))
|
|
|
{
|
|
|
fscanf(fp,"%s%s%s%f%lf%d%d",a[i].name,a[i].author,a[i].publish,&a[i].date,&a[i].price,&a[i].location,&a[i].count);
|
|
|
i++;
|
|
|
}
|
|
|
printf("\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?? ?
|
|
|
scanf("%s",name);
|
|
|
while(!feof(fp))
|
|
|
{
|
|
|
j++;
|
|
|
//j加到数组尾部说明未找到该书籍?
|
|
|
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：%.2f\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){
|
|
|
printf(" 总价为：%.2lf\n",n*a[i].price);
|
|
|
}
|
|
|
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);
|
|
|
printf(" ");
|
|
|
scanf("%c",&c);
|
|
|
if(c=='y'||c=='Y')
|
|
|
goto flag1;
|
|
|
else if(c=='n'||c=='N')
|
|
|
{
|
|
|
j=0;
|
|
|
//当要退出是使j清0，防止当所找书籍位置为5是跳出for循环而误入下一个if语句?
|
|
|
printf(" 谢谢使用，再见！\n");
|
|
|
system("pause");
|
|
|
exit(0);
|
|
|
}
|
|
|
}
|
|
|
i++;
|
|
|
}
|
|
|
if(j==100)
|
|
|
{
|
|
|
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;
|
|
|
}
|
|
|
fclose(fp);
|
|
|
}
|
|
|
void add()
|
|
|
{
|
|
|
FILE *fp;
|
|
|
if((fp=fopen("books.txt","a+"))==NULL)
|
|
|
{
|
|
|
printf("文件打开失败！");
|
|
|
system("pause");
|
|
|
return;
|
|
|
}
|
|
|
books a[100];
|
|
|
int i=0,n=0;
|
|
|
char ch;
|
|
|
system("cls");
|
|
|
printf(" ————书籍记录添加————\n");
|
|
|
while(1){
|
|
|
flag2:
|
|
|
printf(" 请输入该书的书名：");
|
|
|
scanf("%s",a[i].name);
|
|
|
printf(" 请输入该书的作者：");
|
|
|
scanf("%s",a[i].author);
|
|
|
printf(" 请输入该书的出版社：");
|
|
|
scanf("%s",a[i].publish);
|
|
|
printf(" 请输入该书的出版日期：");
|
|
|
scanf("%f",&a[i].date);
|
|
|
printf(" 请输入该书的价格：");
|
|
|
scanf("%lf",&a[i].price);
|
|
|
printf(" 请输入该书放置的位置：");
|
|
|
scanf("%d",&a[i].location);
|
|
|
printf(" 请输入该书的进货量：");
|
|
|
scanf("%d",&a[i].count);
|
|
|
fprintf(fp,"\n%s %s %s %.2f %.2f %d %d",a[i].name,a[i].author,a[i].publish,a[i].date,a[i].price,a[i].location,a[i].count);
|
|
|
i++;
|
|
|
n=n+1;
|
|
|
system("cls");
|
|
|
printf(" 是否继续添加（Y/N）\n");
|
|
|
ch=getch();
|
|
|
if(ch=='N'||ch=='n')
|
|
|
break;
|
|
|
else if(ch=='Y'||ch=='y')
|
|
|
{
|
|
|
system("cls");
|
|
|
goto flag2;
|
|
|
}
|
|
|
system("pause");
|
|
|
fclose(fp);
|
|
|
}
|
|
|
printf(" 谢谢使用，再见！\n");
|
|
|
system("pause");
|
|
|
exit(0);
|
|
|
}
|
|
|
|
