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