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agony 6 years ago
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销售管理系统.c
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#include<stdio.h>
#include<windows.h>
#include<stdlib.h>
#include<conio.h>
#define MAX_NOTE 150//最大便条数150
FILE *fp;
typedef struct
{
int sno;//销售员代号
int p1;//产品1号
int p2;//产品2号
int p3;//产品3号
int p4;//产品4号
int p5;//产品5号
}SELL;
SELL s[MAX_NOTE];
void add_note();
void menu();
void visit_sale();
void sale_sort();
void sale_data();
void pro_sort();
void clear_all();
int main()
{
menu();
return 0;
}
void menu()//主菜单
{
system("cls");
system("color 0B");
int choice;
printf("\n\n\n\n\t\t\t\t");
printf("-*-*-*-*欢迎进入销售管理系统-*-*-*-*-\n");
printf("\t\t\t\t|1.便条信息录入\n");
printf("\t\t\t\t|2.查看销售情况\n");
printf("\t\t\t\t|3.清除数据\n");
printf("\t\t\t\t|4.退出系统\n");
printf("\n\n\n\n\t\t\t\t请输入您的选择（1-3）：");
scanf("%d",&choice);
switch(choice)
{
case 1:
add_note();//录入便条
break;
case 2:
visit_sale();//进入销售情况主菜单
break;
case 3:
clear_all();//清除所有数据
break;
case 4:
exit(0);
break;
default:
printf("输入有误！请重新输入：");
break;
}
menu();
getchar();
}
void clear_all()
{
system("cls");
fp=fopen("note.dat","wb+");
fclose(fp);
printf("\n\n\n\n\t\t\t\t数据清除成功！");
system("pause");
menu();
}
void add_note()//便条信息录入
{
system("cls");
int i,n,k=1;
//SELL s[MAX_NOTE];
fp=fopen("note.dat","rb+");
if(fp==NULL)
{
fp=fopen("note.dat","wb+");
if(fp==NULL)
{
printf("file open fail!\n");
exit(0);
}
}
fseek(fp,0,SEEK_END);
printf("\n\n\n\n\t\t\t\t输入你要添加的便条数：");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("\t\t\t\t-*-*-*-*-*-*-*-\n");
printf("\t\t\t\t-----便条%d------",k++);
printf("\n\t\t\t\t|销售员代号：");
scanf("%d",&s[i].sno);
printf("\n\t\t\t\t| **产品1号：");
scanf("%d",&s[i].p1);
printf("\n\t\t\t\t| **产品2号：");
scanf("%d",&s[i].p2);
printf("\n\t\t\t\t| **产品3号：");
scanf("%d",&s[i].p3);
printf("\n\t\t\t\t| **产品4号：");
scanf("%d",&s[i].p4);
printf("\n\t\t\t\t| **产品5号：");
scanf("%d",&s[i].p5);
printf("\n\t\t\t\t-*-*-*-*-*-*-*-\n");
fwrite(&s[i],sizeof(SELL),1,fp);
}
fclose(fp);
printf("\t\t\t\t便条数据记录成功！3秒后返回上一级...");
sleep(3);
menu();
}
void visit_sale()
{
system("cls");
int choice;
printf("\n\n\n\t\t\t\t----销售情况查看----");
printf("\n\t\t\t\t1.查看销售员的销售额");
printf("\n\t\t\t\t2.销售员业绩排名");
printf("\n\t\t\t\t3.产品受欢迎情况");
printf("\n\t\t\t\t4.返回主界面");
printf("\n\t\t\t\t5.退出系统");
printf("\n\n\n\t\t\t\t请输入您的选择（1-5）:");
scanf("%d",&choice);
getchar();
switch(choice)
{
case 1:
sale_data();
break;
case 2:
sale_sort();
break;
case 3:
pro_sort();
break;
case 4:
menu();
break;
case 5:
exit(1);
break;
default:
printf("输入错误！按任意键退出...");
break;
}
visit_sale();
getchar();
}
void sale_data()
{
system("cls");
int i,k,ch;
int v1,v2,v3,v4,v5;
v1=v2=v3=v4=v5=0;
fp=fopen("note.dat","rb+");
if(fp==NULL)
{
printf("\n\n\n\t\t\t\tfile open fail!");
exit(1);
}
rewind(fp);
printf("\n\n\n\t\t\t\t请输入所要查的销售员代号(1-4):");
scanf("%d",&k);
fread(&s,sizeof(SELL),1,fp);
for(i=0;i<MAX_NOTE;i++)
{
fread(&s[i],sizeof(SELL),1,fp);
if(s[i].sno==k)
{
v1+=s[i].p1;
v2+=s[i].p2;
v3+=s[i].p3;
v4+=s[i].p4;
v5+=s[i].p5;
fread(&s[i],sizeof(SELL),1,fp);
}
}
printf("\n\t\t\t\t产品1号销售总额：%d",v1);
printf("\n\t\t\t\t产品2号销售总额：%d",v2);
printf("\n\t\t\t\t产品3号销售总额：%d",v3);
printf("\n\t\t\t\t产品4号销售总额：%d",v4);
printf("\n\t\t\t\t产品5号销售总额：%d",v5);
printf("\n\n\n\t\t\t\t按0键返回,其他键退出:");
scanf("%d",&ch);
if(ch==0)
visit_sale();
else
exit(1);
}
void sale_sort()
{
system("cls");
int i,j,t,ch,g=1;
int sum[4],b[4]={1,2,3,4};
int s1,s2,s3,s4;
s1=s2=s3=s4=0;
fp=fopen("note.dat","rb+");
if(fp==NULL)
{
printf("file open fail!\n");
exit(0);
}
fread(&s,sizeof(SELL),1,fp);
for(i=0;i<MAX_NOTE;i++)
{
fread(&s[i],sizeof(SELL),1,fp);
if(s[i].sno==1)
s1+=(s[i].p1+s[i].p2+s[i].p3+s[i].p4+s[i].p5);
if(s[i].sno==2)
s2+=(s[i].p1+s[i].p2+s[i].p3+s[i].p4+s[i].p5);
if(s[i].sno==3)
s3+=(s[i].p1+s[i].p2+s[i].p3+s[i].p4+s[i].p5);
if(s[i].sno==4)
s4+=(s[i].p1+s[i].p2+s[i].p3+s[i].p4+s[i].p5);
}
fclose(fp);
sum[0]=s1;sum[1]=s2;sum[2]=s3;sum[3]=s4;
for(i=0;i<4;i++)
{
for(j=i+1;j<4;j++)
{
if(sum[i]<sum[j])
{
t=sum[j];
sum[j]=sum[i];
sum[i]=t;
t=b[j];
b[j]=b[i];
b[i]=t;
}
}
}
printf("\n\n\n\t\t\t\t-----销售员业绩排名-----\n");
printf("\t\t\t\t排名\t销售员代号 销售总额\n");
for(i=0;i<4;i++)
printf("\t\t\t\t%-10d%-10d%-15d\n",g++,b[i],sum[i]);
printf("\n\n\n\t\t\t\t按0键返回,其他键退出:");
scanf("%d",&ch);
if(ch==0)
visit_sale();
else
exit(1);
}
void pro_sort()
{
system("cls");
int g=1;
int s1,s2,s3,s4,s5,ch;
int i,j,t,sum[5],b[5]={1,2,3,4,5};
s1=s2=s3=s4=s5=0;
fp=fopen("note.dat","rb+");
if(fp==NULL)
{
printf("file open fail!\n");
exit(0);
}
fread(&s,sizeof(SELL),1,fp);
for(i=0;i<MAX_NOTE;i++)
{
fread(&s[i],sizeof(SELL),1,fp);
s1+=s[i].p1;
s2+=s[i].p2;
s3+=s[i].p3;
s4+=s[i].p4;
s5+=s[i].p5;
}
sum[0]=s1;sum[1]=s2;sum[2]=s3;sum[3]=s4;sum[4]=s5;
for(i=0;i<5;i++)
{
for(j=i+1;j<5;j++)
{
if(sum[i]<sum[j])
{
t=sum[j];
sum[j]=sum[i];
sum[i]=t;
t=b[j];
b[j]=b[i];
b[i]=t;
}
}
}
printf("\n\n\n\t\t\t\t-----产品销售额排名-----\n");
printf("\t\t\t\t排名\t产品代号 销售总额\n");
for(i=0;i<5;i++)
printf("\t\t\t\t%-10d%-10d%-15d\n",g++,b[i],sum[i]);
printf("\n\n\n\t\t\t\t按0键返回,其他键退出:");
scanf("%d",&ch);
if(ch==0)
visit_sale();
else
exit(1);
}
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