源代码是这样子的：
#include "stdio.h"
#include "Conio.h"
#include"process.h"
#define NULL 0
#define namelen 10
/*定义商品结构体*/
struct GOODS
{
int id,day;
char price[20];
char name[20];
char count[20];
char number[20];
char code[20];
};
/*声明商品数组及商品数量*/
struct GOODS goods[100];
/*输入商品信息*/
void GOODS_input()
{
int x=0;
while(1)
{
printf("请输入编号:");
scanf("%d",&goods[x].id);
getchar();
printf("请输入名称:");
scanf("%s",&goods[x].name);
getchar();
printf("请输入价格:");
scanf("%s",&goods[x].price);
getchar();
printf("请输入条形码:");
scanf("%d",&goods[x].code);
getchar();
printf("请输入进货日期:");
scanf("%d",&goods[x].day);
getchar();
printf("请输入库存:");
scanf("%d",&goods[x].number);
getchar();
printf("请输入销售数量:");
scanf("%d",&goods[x].count);
getchar();
FILE *fp;
fp=fopen("GOODS.txt","a");
fwrite(&goods[x],sizeof(struct GOODS),1,fp);
fclose(fp);
x++;
printf("是否继续(y/n)?:\n");
if(getchar()=='n')
{
break;
}
}
}
/*显示商品信息*/
void GOODS_output()
{
int y;
FILE *fp;
fp=fopen("GOODS.txt","r");
printf("%10s%10s%10s%10s%10s%10s%10s\n","编号","名称","价格","条形码","进货日期","库存","销售数量");
printf("*******************************************************\n");
for (y=0;fread(&goods[y],sizeof(struct GOODS),1,fp)!=0;y++)
{
printf("%10d%10s%10s%10s%10s%10s%10s\n",goods[y].id,goods[y].name,goods[y].price,goods[y].code,goods[y].day,goods[y].number,goods[y].count);
}
}
/*通过编号返回数组下标*/
int GOODS_id(int id)
{
int z;
for (z=0;z<100;z++)
{
if (goods[z].ID==id)
{
return z;
}
}
return -1;
}
/*显示单条商品记录*/
void GOODS_one(int one)
{
int i;
i=one;
printf("%10s%10s%10s%10s%10s%10s%10s\n","编号","名称","价格","条形码","进货日期","库存","销售数量");
printf("*******************************************************\n");
printf("%10d%10s%10s%10s%10s%10s%10s\n",goods[y].id,goods[y].name,goods[y].price,goods[y].code,goods[y].day,goods[y].number,goods[y].count);
}
/*排序函数*/
void GOODS_paixu()
{system("cls");
int i,j;
struct goods good;
FILE *fp;
fp=fopen("GOODS.txt","rb");//以只读方式打开GOODS文件
for(j=0;j<n;j++)
fread(&GOODS[j],sizeof(struct goods),1,fp);
for(j=0;j<n;j++)
for(i=0;i<n-j;i++)
if(GOODS[i].sum<GOODS[i+1].sum)
{good=GOODS[i];
GOOdS[i]=GOOdS[i+1];
GOODS[i+1]=good;
}
printf("\n*******************************************\n");
printf("\t 编号 名称 价格");
printf("条形码 进货日期 库存 销售数量\n");
for(i=0;i<n;i++)
{printf("\t%s%d%d", goods[y].id,goods[y].name,goods[y].price);
printf("%d%d%d%d", goods[y].code,goods[y].day,goods[y].number,goods[y].count);
printf("\n");
}
printf("\n\t******************************************\n");
}
/*将商品信息写入文件*/
void GOODS_file()
{
FILE *fp;
int i;
if ((fp=fopen("GOODS.txt","wb"))==NULL)
{
printf("不能打开文件!\n");
return;
}
for (i=0;i<num;i++)
{
if (fwrite(&goods[i],sizeof(struct GOODS),1,fp)!=1)
{
printf("写入文件错误!\n");
}
}
fclose(fp);
}
/*主程序界面*/
void main()
{
int choice,index;
int Number=0;
while(1)
{
/*主菜单界面*/
printf("\n\n");
printf("*********** 超市信息管理系统***********\n");
printf(" 1. 输入商品名称 \n");
printf(" 2. 显示商品详细情况 \n");
printf(" 3. 查找商品 \n");
printf(" 4. 插入商品信息 \n");
printf(" 5.保存商品信息 \n");
printf(" 6.排序商品 \n");
printf(" 7. 退出 \n");
printf("***************************************\n");
printf("请选择(1-7):");
scanf("%d",&choice);
getchar();
switch(choice)
{
case 1:
GOODS_input();/*输入操作*/
break;
case 2:
printf("请输入编号:");/*按编号查找*/
scanf("%d",&Number);
index=GOODS_id(Number); /*找出符合编号的信息*/
GOODS_one(one);
break;
case 3:
GOODS_output();/*显示商品信息*/
break;
case 4:
GOODS_input();/*插入商品信息*/
GOODS_output();
break;
case 5:
GOODS_file(); /*保存信息到文件*/
case 6:
GOODS_paixu() /*排序商品*/
case 7:
exit(0); /*退出*/
}
}
getch();
}
错误信息如下：
--------------------Configuration: Cpp1 - Win32 Debug--------------------
Compiling...
Cpp1.cpp
C:\Users\CSDBY\Desktop\Cpp1.cpp(93) : error C2039: 'ID' : is not a member of 'GOODS'
C:\Users\CSDBY\Desktop\Cpp1.cpp(9) : see declaration of 'GOODS'
C:\Users\CSDBY\Desktop\Cpp1.cpp(109) : error C2065: 'y' : undeclared identifier
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : error C2079: 'good' uses undefined struct 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(119) : error C2065: 'n' : undeclared identifier
C:\Users\CSDBY\Desktop\Cpp1.cpp(120) : error C2275: 'GOODS' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(9) : see declaration of 'GOODS'
C:\Users\CSDBY\Desktop\Cpp1.cpp(120) : error C2027: use of undefined type 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(123) : error C2143: syntax error : missing ')' before '['
C:\Users\CSDBY\Desktop\Cpp1.cpp(123) : error C2143: syntax error : missing ';' before '['
C:\Users\CSDBY\Desktop\Cpp1.cpp(123) : error C2059: syntax error : ')'
C:\Users\CSDBY\Desktop\Cpp1.cpp(124) : error C2143: syntax error : missing ';' before '{'
C:\Users\CSDBY\Desktop\Cpp1.cpp(124) : error C2275: 'GOODS' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(9) : see declaration of 'GOODS'
C:\Users\CSDBY\Desktop\Cpp1.cpp(125) : error C2065: 'GOOdS' : undeclared identifier
C:\Users\CSDBY\Desktop\Cpp1.cpp(125) : error C2109: subscript requires array or pointer type
C:\Users\CSDBY\Desktop\Cpp1.cpp(125) : error C2109: subscript requires array or pointer type
C:\Users\CSDBY\Desktop\Cpp1.cpp(125) : error C2106: '=' : left operand must be l-value
C:\Users\CSDBY\Desktop\Cpp1.cpp(126) : error C2143: syntax error : missing ';' before '['
C:\Users\CSDBY\Desktop\Cpp1.cpp(126) : error C2143: syntax error : missing ';' before '['
C:\Users\CSDBY\Desktop\Cpp1.cpp(132) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(132) : error C2228: left of '.id' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(132) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(132) : error C2228: left of '.name' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(132) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(132) : error C2228: left of '.price' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2228: left of '.code' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2228: left of '.day' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2228: left of '.number' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2275: 'goods' : illegal use of this type as an expression
C:\Users\CSDBY\Desktop\Cpp1.cpp(116) : see declaration of 'goods'
C:\Users\CSDBY\Desktop\Cpp1.cpp(133) : error C2228: left of '.count' must have class/struct/union type
C:\Users\CSDBY\Desktop\Cpp1.cpp(149) : error C2065: 'num' : undeclared identifier
C:\Users\CSDBY\Desktop\Cpp1.cpp(193) : error C2065: 'one' : undeclared identifier
C:\Users\CSDBY\Desktop\Cpp1.cpp(206) : error C2143: syntax error : missing ';' before 'case'
执行 cl.exe 时出错.
Cpp1.obj - 1 error(s), 0 warning(s)
求指导，我菜鸟啊
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发表于 2013-6-27 23:54:21
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