#include
#include
#define MAX 3
#define PAGE 3
typedef struct
{
int year;
int month;
int day;
}DATE;
typedef struct
{
int num;
char name[10];
char kind[10];
int pro_time;
int save_day;
}GOODS;
int read_file(GOODS goods[]);
void save_file(GOODS goods[],int sum);
int input(GOODS goods[]);
void output(GOODS goods[],int sum);
int append(GOODS goods[],int sum);
void modify(GOODS goods[],int sum);
int del(GOODS goods[],int sum);
void inquire(GOODS goods[],int sum);
void count_();
void sort(GOODS goods[],int sum);
void main()
{
GOODS goods[MAX];
int choice,sum;
sum=read_file(goods);
if(sum==0)
{
printf("并录入基本库存信息!*****\n");
getch();
sum=input(goods);
}
do
{
printf("\n\n\n *******超市管理系统*******\n\n\n");
printf(" 1.添加商品信息\n\n");
printf(" 2.修改商品信息\n\n");
printf(" 3.删除商品信息\n\n");
printf(" 4.打印库存信息\n\n");
printf(" 5.查询商品信息\n\n");
printf(" 6.统计商品信息\n\n");
printf(" 7.商品排行信息\n\n");
printf(" 0.退出系统\n\n");
printf(" 请选择(0-6)\n\n");
scanf("%d",&choice);
switch(choice)
{
case 1:sum=append(goods,sum); break;
case 2:modify(goods,sum); break;
case 3:sum=del(goods,sum); break;
case 4:output(goods,sum); break;
case 5:inquire(goods,sum); break;
case 6:count_(); break;
case 7:sort(goods,sum); break;
case 0: break;
}
}while(choice!=0);
save_file(goods,sum);
}
int read_file(GOODS goods[])
{
FILE *fp;
int i=0;
if((fp=fopen("supermarket.txt","rt"))==NULL)
{
printf("\n\n*****库存文件不存在，请创建");
return 0;
}
while(feof(fp)!=1)
{
fread(&goods[i],sizeof(GOODS),1,fp);
if(goods[i].num ==0)
break;
else
i++;
}
fclose(fp);
return i;
}
void save_file(GOODS goods[],int sum)
{
FILE *fp;
int i;
if((fp=fopen("supermarket.txt","wb"))==NULL)
{
printf("读文件错误!\n");
return;
}
for(i=0;i<sum;i++)
{
if(fwrite(&goods[i],sizeof(GOODS),1,fp)!=1)
{
printf("写文件错误!\n");
}
}
fclose(fp);
}
int input(GOODS goods[])
{
int i=0;
printf("\n\n 录入商品信息 (最多%d种)\n",MAX);
printf(" ------------------------\n");
do
{
printf("\n 第%d种商品",i+1);
printf("\n 商品号:");
scanf("%d",&goods[i].num );
if(goods[i].num ==0)
break;
printf("\n 商品名称:");
scanf("%s",goods[i].name );
printf("\n 商品类别:");
scanf("%s",goods[i].kind );
printf("\n 生产日期(yyyy-mm-dd):");
scanf("%d",&goods[i].pro_time);
printf("\n 保质期:");
scanf("%d",&goods[i].save_day );
i++;
}while(i<MAX);
printf("\n --%d种商品信息输入完毕--\n",i);
printf("\n 按任意键返回主菜单");
getch();
return i;
}
void output(GOODS goods[],int sum)
{
int i=0,j=0,page=1;
printf("\n\n\n\n --商品信息表-- 第%d页\n\n",page);
printf("商品号--商品名称--商品种类--生产日期（年-月-日）--保质期\n");
printf("--------------------------------------------------------\n");
do
{
if(goods[i].num !=0)
{
j++;
if(j%PAGE!=0)
{
printf("%4d %8s %8s %15d %10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].pro_time,goods[i].save_day);
printf("----------------------------------------------------------\n");
}
else
{
printf("按任意键继续");
getch();
printf("\n\n\n\n --商品信息表-- 第%d页\n\n",++page);
printf("商品号--商品名称--商品种类--生产日期（年-月-日）--保质期\n");
printf("--------------------------------------------------------\n");
printf("%4d %8s %8s %15d %10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].pro_time,goods[i].save_day);
printf("----------------------------------------------------------\n");
}
}
i++;
}while(goods[i].num!=0);
printf("按任意键返回主菜单");
getch();
}
int append(GOODS goods[],int sum)
{
int i;
i=sum;
printf("\n即将添加数据，按任意键继续\n");
getch();
if(sum>=30)
{
printf("空间已满，添加失败\n");
getch();
return;
}
else
{
printf("\n\n\n 请输入你要添加的商品信息(最多%d种):\n",MAX-i-1);
printf("\n -----------------------------\n");
do
{
printf("\n 第%d种商品",i+1);
printf("\n 商品号:");
scanf("%d",&goods[i].num );
if(goods[i].num ==0)
break;
printf("\n 商品名称:");
scanf("%s",goods[i].name );
printf("\n 商品类别:");
scanf("%s",goods[i].kind );
printf("\n 生产日期(yyyy-mm-dd):");
scanf("%d",&goods[i].pro_time);
printf("\n 保质期:");
scanf("%d",&goods[i].save_day );
i++;
}while(i<MAX);
}
printf("\n\n --%d种商品信息添加完毕--\n",i-sum);
printf("按任意键返回主菜单");
getch();
return i;
}
void modify(GOODS goods[],int sum)
{
printf("\n\n%d\n\n",goods[1].num);
int i=0,choice,modify_num,flag;
do
{
printf("\n 输入要修改的商品号:");
scanf("%d",&modify_num);
printf("\n\n%d \n",modify_num);
for(i=0;i<sum;i++)
if(goods[i].num==modify_num);
{
printf("\n --商品信息--%d\n",goods[i].num);
printf("商品号--商品名称--商品种类--生产日期（年-月-日）--保质期\n");
printf("--------------------------------------------------------\n");
printf("%4d %8s %8s %15d %10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].pro_time,goods[i].save_day);
printf("\n 你要修改哪一项？\n");
printf("\n 1.名称\n");
printf("\n 2.种类\n");
printf("\n 3.生产日期\n");
printf("\n 4.保质期\n");
printf("\n 请选择(1-4):\n");
scanf("%d",&choice);
switch(choice)
{
case 1:printf("\n 输入修改后的名称:");
scanf("%s",goods[i].name); break;
case 2:printf("\n 请输入修改后的种类:");
scanf("%s",goods[i].kind); break;
case 3:printf("\n 请输入修改后的生产日期:");
scanf("%d",&goods[i].pro_time); break;
case 4:printf("\n 请输入修改后的保质期:");
scanf("%d",&goods[i].save_day); break;
}
printf("商品号--商品名称--商品种类--生产日期（年-月-日）--保质期\n");
printf("--------------------------------------------------------\n");
printf("%4d %8s %8s %15d %10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].pro_time,goods[i].save_day);
break;
}
if(i==sum)
{
printf("\n 这个商品不存在\n");
getch();
}
printf("\n\n 还要继续修改吗?(y/n)");
choice=getch();
if(choice=='Y'||choice=='y')
{
flag=1;
printf("\n 继续!\n");
}
else flag=0;
}while(flag==1);
printf("\n 按任意键返回主菜单\n");
getch();
}
int del(GOODS goods[],int sum)
{
int i,j,del_num,choice,flag;
int count=0;
do
{
printf("\n ---------你要删哪个?\n");
scanf("%d",&del_num);
for(i=0;i<sum;i++)
if(goods[i].num ==del_num)
{
printf("\n --商品信息--\n");
printf("商品号--商品名称--商品种类--生产日期（年-月-日）--保质期\n");
printf("--------------------------------------------------------\n");
printf("%4d %8s %8s %15d %10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].pro_time,goods[i].save_day);
printf("\n 确定要删它吗？那么可爱。后悔的话输入（n）");
if(getch()=='n') break;
for(j=i;j<sum;j++)
{
goods[j]=goods[j+1];
goods[sum-1].num=0;
}
count++;
break;
}
if(i==sum)
{
printf("\n 你想删除的商品不存在，按任意键继续\n");
getch();
}
printf("\n\n 还要继续删除吗?(Y/N)");
choice=getch();
if(choice=='Y'||choice=='y')
{
flag=1;
printf("\n 继续!\n");
}
else flag=0;
}while(flag==1);
printf("\n 按任意键返回主菜单");
getch();
return (sum-count);
}
void inquire(GOODS goods[],int sum)
{
int look,i,flag,choice;
do
{
printf("\n 请输入你要查询的货号:");
scanf("%d",&look);
for(i=0;i<sum;i++)
if(goods[i].num ==look)
{
printf("\n --商品信息--\n");
printf("商品号--商品名称--商品种类--生产日期（年-月-日）--保质期\n");
printf("--------------------------------------------------------\n");
printf("%4d %8s %8s %15d %10d\n",goods[i].num,goods[i].name,goods[i].kind,goods[i].pro_time,goods[i].save_day);
break;
}
if(i==sum)
{
printf("\n 你要查询的商品不存在,按任意键继续\n");
getch();
}
printf("\n\n 还要继续查询吗?(Y/N)");
choice=getch();
if(choice=='Y'||choice=='y')
{
flag=1;
printf("\n 继续!\n");
}
else flag=0;
}while(flag==1);
printf("\n 按任意键返回主菜单");
getch();
return;
}
void count_()
{
return;
}
void sort(GOODS goods[],int sum)
{
GOODS t;
int i,j,k;
printf("\n\n\n\n\n 库存排行\n");
printf("------------------------------------------------");
printf("\n 排名 商品号 商品名称 商品类别 库存量\n");
for(i=0;i<sum;i++)
{
k=i;
for(j=i+1;j<sum;j++)
{
if(goods[k].save_day>goods[j].save_day)
k=j;
}
if(k!=i)
{
t=goods[i];
goods[i]=goods[k];
goods[k]=t;
}
}
output(goods,sum);
getch();
}
