m73125690
/
liufeng11
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

first commit

Browse Source
master
18408000311@stu.hut.edu.cn 6 years ago
commit 8780ccafd6
4 changed files with 300 additions and 0 deletions
Show Stats Download Patch File Download Diff File

300
123.cpp
Unescape View File

@ -0,0 +1,300 @@
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define SIZE 100
struct product//数据结构
{
long number; //商品编号
char name[20]; //商品名称
float inprice; //商品进价
float outprice; //商品售价
int count; //商品数量
} ;
int main(){
FILE *fp;
void Remined();//打印清单函数声明
void menu();//菜单函数声明
void In();//商品进库管理函数声明
void Out();//商品出库管理函数声明
void Add();//创建新商品信息函数声明
void Del();//清楚商品信息函数声明
void Sale();//销售统计函数声明
void Exit();//退出函数声明
fp=fopen("商品信息","a+");//创建商品信息文件
fclose(fp);
fp=fopen("清单","w+");//创建清单文件
fclose(fp);
menu();
}
//增加新商品函数
void Add(){
FILE *fp;
char m;
struct product inf;
void menu();
//录入各个信息
printf("请输入商品编号\n");//编号
scanf("%ld",&inf.number);
printf("请输入商品数量\n");//数量
scanf("%d",&inf.count);
printf("请输入商品进价\n");
scanf("%f",&inf.inprice);
printf("请输入商品售价\n");
scanf("%f",&inf.outprice);
printf("请输入商品名称\n");
scanf("%s",&inf.name);
fp=fopen("商品信息","a+");
if(fp==NULL)
printf("");
fwrite(&inf,sizeof(struct product),1,fp);
fclose(fp);
//询问是否继续输入
printf("是否继续输入？ 是 输入'Y';返回主菜单 输入'N'\n");
getchar();
m=getchar();
if(m=='Y'||m=='y')
Add();
if(m=='N'||m=='n')
menu();
}
//进货模块
void In(){
FILE *fp;
void menu();
int i,b;
char m;
long number;
int count;
struct product inf[SIZE];
struct product inf1;
//输入商品的各种信息
fp=fopen("商品信息","r");
if((fp=fopen("商品信息","r"))==NULL)
printf("打开商品信息文件出错\n");
printf("请输入商品编号\n");//编号
scanf("%ld",&number);
printf("请输入商品数量\n");//数量
scanf("%d",&count);
//将所有信息从文件中读出，进行修改
i=0;
while(fread(&inf1,sizeof(struct product),1,fp)!=(int)NULL){
if(inf1.number!=number){
inf[i].number=inf1.number;
strcpy(inf[i].name,inf1.name);
inf[i].inprice=inf1.inprice;
inf[i].outprice=inf1.outprice;
inf[i].count=inf1.count;
i++;
}
else{
inf[i].number=inf1.number;
inf[i].inprice=inf1.inprice;
inf[i].outprice=inf1.outprice;
inf[i].count=count+inf1.count;
strcpy(inf[i].name,inf1.name);
i++;
}
}
fclose(fp);
if((fp=fopen("商品信息","w+"))==NULL)
printf("打开商品信息文件出错\n");
for(b=0;b<i;b++){
if(fwrite(&inf[b],sizeof(struct product),1,fp)==!1)
printf("写入商品信息文件出错\n");
} fclose(fp);
//询问是否继续输入
printf("是否继续输入？ 是 输入'Y';返回主菜单 输入'N'\n");
getchar();
m=getchar();
if(m=='Y'||m=='y')
In();
if(m=='N'||m=='n')
menu();
}
//出货模块
void Out(){
FILE *fp;
void menu();
char m;
float money=0;
long number;
int count,i,b;
struct product inf[SIZE],inf1;
struct product list;
//输入商品的各种信息
if((fp=fopen("商品信息","rb"))==NULL)
printf("打开商品信息文件出错\n");
printf("请输入商品编号\n");//编号
scanf("%ld",&number);
printf("请输入商品数量\n");//数量
scanf("%d",&count);
i=0;
while(fread(&inf1,sizeof(struct product),1,fp)!=(int)NULL){
if(inf1.number!=number){
inf[i].number=inf1.number;
strcpy(inf[i].name,inf1.name);
inf[i].inprice=inf1.inprice;
inf[i].outprice=inf1.outprice;
inf[i].count=inf1.count;
i++;
}
else{
inf[i].number=number;
inf[i].inprice=inf1.inprice;
inf[i].outprice=inf1.outprice;
inf[i].count=(inf1.count-count);
strcpy(inf[i].name,inf1.name);
list.number=number;
list.count=count;
list.inprice=inf1.inprice;
list.outprice=inf1.outprice;
strcpy(list.name,inf1.name);
money=(list.count)*(list.outprice);
i++;
}
}
fclose(fp);
if((fp=fopen("商品信息","w+"))==NULL)
printf("打开商品信息文件出错\n");
for(b=0;b<i;b++){
if(fwrite(&inf[b],sizeof(struct product),1,fp)==(int)NULL)
printf("写入商品信息文件出错\n");
} fclose(fp);
fp=fopen("清单","a+");
fwrite(&list,sizeof(struct product),1,fp);
fclose(fp);
printf("是否打印本次清单？是 输入'Y';返回主菜单 输入'N'\n");
getchar();
m=getchar();
if(m=='y'||m=='Y')
printf("商品编号 商品名称 进价 售价 金额\n");
printf("%3l%s%3.lf%3.lf\n",list.number,list.name,list.inprice,list.outprice,money);
printf("是否继续输入？是 输入'Y'或'y';否 输入'N'或'n'\n");
getchar();
m=getchar();
if(m=='y'||m=='Y')
Out();
if(m=='N'||m=='n')
menu();
}
//清除模块
void Del(){
int i,b;
void menu();
long number;
struct product inf[SIZE],infd;
char m;
FILE *fp;
printf("请输入商品编号\n"),
scanf("%ld",&number);
fp=fopen("商品信息","r");
if(fp=NULL)
printf("打开文件出错\n");
//将文件内容读出后重新写入
i=0;
while(fread(&infd,sizeof(struct product),1,fp)!=(int)NULL)
{
if(infd.number!=number){
inf[i].number=infd.number;
inf[i].count=infd.count;
inf[i].inprice=infd.inprice;
inf[i].outprice=infd.outprice;
strcpy(inf[i].name,infd.name);
i++;
}
}
fclose(fp);
if(fopen("商品信息","w+")==NULL)
printf("打开商品信息文件出错\n");
for(b=0;b<i;b++)
if(fwrite(&inf[b],sizeof(struct product),1,fp)==1)
printf("写入商品信息文件出错\n");
fclose(fp);
//询问是否继续输入
printf("是否继续输入？是 输入'Y'或'y';否 输入'N'或'n'\n");
getchar();
m=getchar();
if(m=='Y'||m=='y')
Del();
if(m=='N'||m=='n')
menu();
}
//退出模块
void Exit(){
char m;
void menu();
printf("是否确认？ 是 输入'Y'或'y';否 输入'N'或'n'\n");
getchar();
m=getchar();
if(m=='Y'||m=='y')
exit(1);
if(m=='N'||m=='n')
menu();
}
//清单模块
void Sale()
{
char m;
void menu();
struct product list;
FILE *fp;
printf("确认打印？是 输入y; 不是输入n\n");
getchar();
m=getchar();
if(m=='Y'||m=='y'){
fp=fopen("清单","r");
printf("商品名称 商品编号 商品售价 总金额 销售数量\n");
while(fread(&list,sizeof(struct product),1,fp)!=(int)NULL)
printf("%s %5ld %3.lf %3.lf %d\n",list.name,list.number,list.outprice,(list.count*list.outprice),list.count);
}
printf("按任意键返回菜单\n");
getchar();
getchar();
menu();
if(m=='n'||m=='N')
menu();
}
//显示库存函数
void Remined(){
struct product list1;
FILE *fp;
void menu();
fp=fopen("商品信息","r");
printf("商品编号 商品名称 商品进价 商品售价 库存量\n");
while(fread(&list1,sizeof(struct product),1,fp)!=(int)NULL)
printf("%ld %s %f %f %d\n",list1.number,list1.name,list1.inprice,list1.outprice,list1.count);
printf("按任意键返回菜单\n");
getchar();
getchar();
menu();
}
void menu()//菜单模块
{
int choice;
printf("#######################################################################\n");
printf("# #\n");
printf("#------------------欢 迎 来 到 商 店 销 售 管 理 系 统----------------#\n");
printf("# #\n");
printf("#######################################################################\n");
printf("请输入你要使用的功能编号\n");
printf("0-------------退出\n");
printf("1-------------商品进库管理\n");
printf("2-------------商品出库管理\n");
printf("3-------------创建新商品信息\n");
printf("4-------------清除商品信息\n");
printf("5-------------销售统计\n");
printf("6-------------显示库存量\n");
scanf("%d",&choice);
switch(choice){
case 0:Exit();
case 1:In();break;
case 2:Out();break;
case 3:Add();break;
case 4:Del();break;
case 5:Sale();break;
case 6:Remined();break;
default:main();
}
}

BIN
123.exe
View File

Binary file not shown.

0
商品信息
Unescape View File

0
清单
Unescape View File

Write Preview
Loading…
Cancel
Save