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#include<stdio.h>
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#include<string.h>
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#include<stdlib.h>
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#define NUM 1000
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void enter();
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void search_num();
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void dele_num();
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void modi_num();
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void browse();
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void count();
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void load();
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void add();
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void menu();
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int n; //员工的总数
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struct emploee //职工数据结构
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{
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char no[5];
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char name[8];
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float wage1; //员工的基本工资
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float wage2; //员工的职务工资
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float funds; //员工的公积金
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float ylbx; //员工的医疗保险
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float jt; //员工的津贴
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float wage3; //员工的实发工资
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}emp[NUM],newemp;
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int main()
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{
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menu();
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}
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void menu()//主界面
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{
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int n;
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do{
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printf("************* 职工工资管理系统 **************\n");
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printf("* 1-----输入职工信息------ *\n");
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printf("* 2-----查询职工信息------ *\n");
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printf("* 3-----根据职工ID号删除-- *\n");
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printf("* 4-----根据职工ID号修改-- *\n");
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printf("* 5-----据工资统计并浏览-- *\n");
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printf("* 6-----从文件载入信息---- *\n");
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printf("* 7-----浏览全部职工信息-- *\n");
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printf("* 8-----添加职工信息------ *\n");
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printf("* 9-----退出程序---------- *\n");
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printf("*********************************************\n");
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printf("输入你的选择（1-9）:");
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scanf("%d",&n);
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switch(n)
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{
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case 1:enter(); break;
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case 2:search_num(); break;
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case 3:dele_num(); break;
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case 4:modi_num(); break;
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case 5:count(); break;
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case 6:load(); break;//保存加载的信息
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case 7:browse(); break;//加载信息
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case 8:add(); break;
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case 9:printf("*******欢迎下次使用！*******");
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default:exit(0);//退出系统.exit(0)函数功能是退出程序
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}
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}while(n!=0);
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}
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/*************************开始的地方**********************/
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void enter()
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{
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FILE *fp;
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int n,i;
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if ((fp=fopen("emp.txt","wb"))==NULL)
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{
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printf("不能建立emp文件\n");
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exit(1);
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}
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printf("输入职工人数:");
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scanf("%d",&n);
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for(i=0;i<n;i++) /* 循环获取n个职工记录 */
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{
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printf("第%d个职工:\n",i+1);
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printf("ID:");
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scanf("%s",emp[i].no);
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printf("姓名:");
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scanf("%s",&emp[i].name);
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printf("基本工资:");
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scanf("%f",&emp[i].wage1);
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printf("职务工资:");
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scanf("%f",&emp[i].wage2);
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printf("津贴:");
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scanf("%f",&emp[i].jt);
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printf("医疗保险:");
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scanf("%f",&emp[i].ylbx);
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printf("公积金:");
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scanf("%f",&emp[i].funds);
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emp[i].wage3=emp[i].wage1+emp[i].wage2-emp[i].ylbx+emp[i].jt-emp[i].funds;
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}
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for(i=0;i<n;i++) /*将n个职工记录写入文件*/
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fwrite(&emp[i],sizeof(struct emploee),1,fp);
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fclose(fp);
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}
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/*************************统计信息**********************/
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void count()
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{
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FILE *fp;
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int n,num;
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if((fp=fopen("emp.txt","rb"))==NULL)
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{
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printf("不能打开emp文件\n");
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exit(1);
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}
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printf("请输入工资数:");
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scanf("%d",&num);
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printf("记录号 ID 姓名 基本工资 职务工资 津贴 医疗保险 公积金 实发工资\n");
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for(n=0;fread(&emp[n],sizeof(struct emploee),1,fp)!=0;n++)
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if(emp[n].wage3>=num)
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{
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printf("第%d个职工:\n",n+1);
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printf("ID:");
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scanf("%s",emp[n].no);
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printf("姓名:");
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scanf("%s",&emp[n].name);
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printf("基本工资:");
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scanf("%f",&emp[n].wage1);
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printf("职务工资:");
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scanf("%f",&emp[n].wage2);
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printf("津贴:");
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scanf("%f",&emp[n].jt);
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printf("医疗保险:");
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scanf("%f",&emp[n].ylbx);
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printf("公积金:");
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scanf("%f",&emp[n].funds);
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printf("总工资:");
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scanf("%f",&emp[n].wage3);
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}
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fclose(fp);
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}
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/********************删除信息的地方*******************/
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void dele_num()
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{
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FILE *fp;
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int i,j,n;
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char num[5];
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if((fp=fopen("emp.txt","rb"))==NULL)
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{
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printf("不能打开emp文件\n");
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exit(1);
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}
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printf("删除前:\n");
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printf("记录号 ID 姓名 基本工资 职务工资 津贴 医疗保险 公积金 实发工资\n");
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for(n=0;fread(&emp[n],sizeof(struct emploee),1,fp);n++)
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{
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printf("第%d个职工:\n",n+1);
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printf("ID:");
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scanf("%s",emp[i].no);
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printf("姓名:");
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scanf("%s",&emp[i].name);
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printf("基本工资:");
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scanf("%f",&emp[i].wage1);
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printf("职务工资:");
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scanf("%f",&emp[i].wage2);
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printf("津贴:");
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scanf("%f",&emp[i].jt);
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printf("医疗保险:");
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scanf("%f",&emp[i].ylbx);
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printf("公积金:");
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scanf("%f",&emp[i].funds);
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printf("总工资:");
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scanf("%f",&emp[i].wage3);
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}/*n为emp文件中记录数*/
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printf("要删除的职工号:");
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scanf("%s",num);
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for(i=0;(strcmp(emp[i].no,num)!=0&&i<n);i++)
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if(i>=n)
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{
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printf("\t没有%s职工号的职工\n",num);
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exit(2);
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}
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fclose(fp);
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fp=fopen("emp.dat","w+");
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if(n==1) /*一个记录已经删除了*/
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{
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fclose(fp);
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exit(3);
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}
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for(j=0;j<i;j++)
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fwrite(&emp[j],sizeof(struct emploee),1,fp);
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for(j=i+1;j<n;j++)
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fwrite(&emp[j],sizeof(struct emploee),1,fp);
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printf("删除后:\n");
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fseek(fp,0,SEEK_SET);
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for(i=0;fread(&emp[i],sizeof(struct emploee),1,fp);i++)
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{
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printf("第%d个职工:\n",i+1);
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printf("ID:");
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scanf("%s",emp[i].no);
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printf("姓名:");
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scanf("%s",&emp[i].name);
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printf("基本工资:");
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scanf("%f",&emp[i].wage1);
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printf("职务工资:");
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scanf("%f",&emp[i].wage2);
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printf("津贴:");
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scanf("%f",&emp[i].jt);
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printf("医疗保险:");
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scanf("%f",&emp[i].ylbx);
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printf("公积金:");
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scanf("%f",&emp[i].funds);
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printf("总工资:");
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scanf("%f",&emp[i].wage3);
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}
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fclose(fp);
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}
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/********************修改信息的地方*******************/
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void modi_num()
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{
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FILE *fp;
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int i,j;
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char num[5];
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if((fp=fopen("emp.txt","rb+"))==NULL)
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{
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printf("不能 打开emp文件\n");
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exit(1);
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}
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printf("要修改的职工号:");
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scanf("%s",num);
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for(i=0;fread(&emp[i],sizeof(struct emploee),1,fp);i++)
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if(!strcmp(emp[i].no,num))break;
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if(feof(fp))
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{
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printf("\t没有%s职工号的职工\n",num);
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exit(2);
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}
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printf("记录号 职工号 姓名 基本工资 职务工资 津贴 医疗保险 公积金 实发工资\n");
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printf("%6d %6s %9s %.1f %.1f %.1f %.1f %.1f %.1f\n",i+1,emp[i].no,emp[i].name,emp[i].wage1,emp[i].wage2,emp[i].jt,emp[i].ylbx,emp[i].funds,emp[i].wage3);
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printf("输入格式:职工号 姓名 基本工资 职务工资 津贴 医疗保险 公积金\n");
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printf("第%d个记录:",i+1);
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scanf("%s%s%f%f%f%f%f",newemp.no,newemp.name,&newemp.wage1,&newemp.wage2,&newemp.jt,&newemp.ylbx,&newemp.funds);//获取新的职工记录
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newemp.wage3=newemp.wage1+newemp.wage2+newemp.jt-newemp.ylbx-newemp.funds;
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fseek(fp,-(long)sizeof(struct emploee),SEEK_CUR); //文件指针指向该修改的记录开头
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fwrite(&newemp,sizeof(struct emploee),1,fp); //用newemp覆盖当前记录
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printf(" 修改后:\n");
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fseek(fp,0,SEEK_SET); //显示修改后的文件数据
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printf("记录号 职工号 姓名 基本工资 职务工资 津贴 医疗保险 公积金 实发工资\n");
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for(i=0;fread(&emp[i],sizeof(struct emploee),1,fp)!=0;i++)
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printf("%6d %6s %9s %.1f %.1f %.1f %.1f %.1f %.1f\n",i+1,emp[i].no,emp[i].name,emp[i].wage1,emp[i].wage2,emp[i].jt,emp[i].ylbx,emp[i].funds,emp[i].wage3);
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fclose(fp);
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}
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/*************************查询信息的地方***********************/
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void search_num()
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{
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FILE *fp;
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int i;
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char num[5];
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if((fp=fopen("emp.txt","rb"))==NULL)
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{
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printf("不能打开emp文件\n");
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exit(1);
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}
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printf("要查询的职工号:");
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scanf("%s",num);
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for(i=0;fread(&emp[i],sizeof(struct emploee),1,fp);i++)
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if(!strcmp(emp[i].no,num)) break;
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if(feof(fp))
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{
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printf("\t查无此人\n");
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exit(2);
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}
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printf("记录号 职工号 姓名 基本工资 职务工资 津贴 医疗保险 公积金 实发工资\n");
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printf("%6d %6s %9s %.1f %.1f %.1f %.1f %.1f %.1f\n",i+1,emp[i].no,emp[i].name,emp[i].wage1,emp[i].wage2,emp[i].jt,emp[i].ylbx,emp[i].funds,emp[i].wage3);
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fclose(fp);
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}
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/*******************浏览信息的地方********************/
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void browse()
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{ int i;
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FILE *fp;
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if((fp=fopen("emp.txt","r"))==NULL)
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{
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printf("不能打开emp文件\n");
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exit(0);
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}
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printf("记录号 职工号 姓名 基本工资 职务工资 津贴 医疗保险 公积金 实发工资\n");
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for(i=0;fread(&emp[i],sizeof(struct emploee),1,fp)!=0;i++)
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{
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printf("%6d %6s %9s %.1f %.1f %.1f %.1f %.1f %.1f\n",i+1,emp[i].no,emp[i].name,emp[i].wage1,emp[i].wage2,emp[i].jt,emp[i].ylbx,emp[i].funds,emp[i].wage3);
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}
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fclose(fp);
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}
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/******************追加信息的地方*******************/
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void add()
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{
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FILE *fp;
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int n,i,j;
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if((fp=fopen("emp.txt","ab+"))==NULL)
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{
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printf("不能打开emp文件\n");
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exit(0);
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}
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printf("要追加的职工人数:");
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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("职工号 姓名 基本工资 职务工资 津贴 医疗保险 公积金\n");
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printf("追加记录:\n");
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scanf("%s%s%f%f%f%f%f",newemp.no,newemp.name,&newemp.wage1,&newemp.wage2,&newemp.jt,&newemp.ylbx,&newemp.funds );
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newemp.wage3=newemp.wage1+newemp.wage2-newemp.funds+newemp.jt-newemp.ylbx;//获取一个新的职工记录
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fwrite(&newemp,sizeof(struct emploee),1,fp); //将该职工记录写入文件
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}
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fclose(fp);
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}
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/*************************载入信息的地方**********************/
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void load() //加载记录或可以计算记录个数的函数
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{
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FILE *fp;
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int i,w;
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w=1;
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system( "cls" );
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if((fp=fopen("emp.txt","rb"))==NULL) //以输出打开方式,在此前的记录被覆盖
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{
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printf("\nCannot open file\n");
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w=0;
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return ;
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}
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n=0;
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for(i=0;!feof(fp);i++)
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{
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fread(&emp[i],sizeof(struct emploee),1,fp);
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n++;
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}
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n=n-1;
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fclose(fp);
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if(w==1)
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{
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printf("Load file ok!");
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getchar();
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getchar();
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menu();
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}
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}
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