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89 lines
2.4 KiB
89 lines
2.4 KiB
#include<stdio.h>
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#include<string.h>
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int main()
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{
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printf("\t\t\t\t* * * <书店存货清单> * * *\t\t\t\n");
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printf("\n");
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char name[100],c,b[3]={0,0,0};
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int i,n=0,j,k;
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struct qd
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{
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char name[100]; //书名
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char author[100]; //作者
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char cbs[100]; //出版社
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long cbrq; //出版日期
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double price; //单价
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int wz; //图书位置（编号）
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int sl; //数量（存货）
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};
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struct qd a[3]= //图书目录
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{
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{"C程序设计","谭浩强","清华大学出版社",20100604,33.00,1,99},
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{"高等数学","同济大学数学系","高等教育出版社",20070606,29.40,2,99},
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{"Java开发手册","杨冠宝","电子工业出版社",20180101,28.40,3,99},
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};
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loop: printf("【请输入书名】\n"); //程序开始
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fflush(stdin); //清空输出
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gets(name);
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j=0;
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for(i=0;i<3;i++)
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{
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j++;
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if(strcmp(a[i].name,name)==0) //判断用户所选书籍
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{
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printf("书名:");
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puts(a[i].name);
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printf("作者:");
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puts(a[i].author);
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printf("出版社:");
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puts(a[i].cbs);
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printf("出版日期:%d\n",a[i].cbrq);
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printf("价格:%lf\n",a[i].price);
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printf("位置:%d\n",a[i].wz);
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printf("库存:%d\n",(a[i].sl-b[i]));
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k=a[i].sl-b[i]; //更新库存
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printf("【请输入数量】\n");
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fflush(stdin);
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scanf("%d",&n);
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b[i]=b[i]+n; //更新库存
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if(n<=k)
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printf("总价格为：%f\n\n",(n*a[i].price));
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else
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printf("【所需数量不在库存范围内】\n");
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printf("【是否还想买其他书籍】？\n");
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printf("【是】 则输入 Y或y\n【否】 则单击 回车\n");
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fflush(stdin);
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scanf("%c",&c);
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if(c=='y'||c=='Y')
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goto loop; //返回开始，多次购买
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else
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{
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j=0;
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printf("*****谢谢，再见！*****\n");
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}
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}
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}
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if(j==3) //多次未找到目标书籍
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{
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i=0;
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printf("【未找到该书籍，是否还想买其他书籍？】\n");
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printf("【是】 则输入 Y或y\n【否】 则单击 回车");
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fflush(stdin);
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scanf("%c",&c);
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if(c=='y'||c=='Y')
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goto loop; //返回开始
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else
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{
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printf("*****谢谢，再见！*****\n");
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}
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}
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return 0; //程序结束
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}
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