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#include<stdio.h>
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#define N 50
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struct worker
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{
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char id[50];
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char name[20];
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char sex[10];
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char age[10];
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char edu[20];
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char salary[10];
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char address[20];
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char tel[20];
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}worker[N];
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void save(int n) //保存函数，保存n个记录
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{ FILE *fp;
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int i;
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if((fp=fopen("worker.txt","wb+"))==NULL) //以读，写方式为输出打开一个二进制文件
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{ printf("\nCannot open file\n");
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}
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for(i=0;i<n;i++)
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if(fwrite(&worker[i],sizeof(struct worker),1,fp)!=1)//将输入的数据写入文件中
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printf("file write error\n");
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fclose(fp);
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}
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int load() //加载函数
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{ FILE *fp;
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int i;
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if((fp=fopen("worker.txt","rb"))==NULL)
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{printf("\nCannot open file\n");
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return NULL;
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}
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for(i=0;!feof(fp);i++)
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fread(&worker[i],sizeof(struct worker),1,fp);//从文件中读取出职工的数据
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fclose(fp);
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return(i-1);
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}
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void no_input(int i,int n) //工号输入函数，i表示第i个职工的信息，n表示比较到第n个职工
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{ int j,k,w1;
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do
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{w1=0;
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printf("工号：");
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scanf("%s",worker[i].id);
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for(j=0;worker[i].id[j]!='\0';j++)
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if(worker[i].id[j]<'0'||worker[i].id[j]>'9') //判断工号是否为数字
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{puts("请重新输入！\n");
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w1=1;break;
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}
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if(w1!=1)
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for(k=0;k<n;k++) //比较到第N个职工
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if(k!=i&&strcmp(worker[k].id,worker[i].id)==0) //判断职工号是否有雷同
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{puts("请重新输入！\n");
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w1=1;break;
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}
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}
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while(w1==1);
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}
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void input(int i) //输入一个记录的函数
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{ no_input(i,i); //输入工号后继续输入其他数据
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printf("姓名:");scanf("%s",worker[i].name);
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printf("性别:");scanf(" %s",&worker[i].sex);
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printf("年龄:");scanf("%s",&worker[i].age);
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printf("工资:");scanf("%s",worker[i].salary);
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printf("学历:");scanf("%s",&worker[i].edu);
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printf("住址:");scanf("%s",worker[i].address);
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printf("电话:");scanf("%s",worker[i].tel);
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}
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void printf_one(int i) //显示一个记录的函数
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{
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printf("%10s %10s %5s %5s %8s %6s %10s %10s\n",
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worker[i].id,worker[i].name,worker[i].sex,worker[i].age,
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worker[i].salary,worker[i].edu,worker[i].address,worker[i].tel);
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}
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void printf_back() //一个任务结束后选择是好似浏览还是返回
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{ int k,w;
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printf("\n\n\tSuccessful^-^.\n\n");
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printf("接下来做什么?\n\n\t1).浏览全部\t2).返回: [ ]\b\b");
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scanf("%d",&w);
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if(w==1)browse();
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else menu();
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}
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modify_data(int i,int n) //修改函数
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{ int c,w1;
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do
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{puts("\nmodify by=>\n\n 1).工号 2).姓名 3).性别 4).年龄 5).工资 6).学历 7).地址 8).电话 9).取消");
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printf("请选择?:[ ]\b\b");
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scanf("%d",&c);
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if(c>9||c<1)
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{
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puts("\nChoice error!please again!");
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getchar();
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}
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}
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while(c>9||c<1);
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do
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{switch(c) //通过switch结构选择要修改的内容
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{case 1:no_input(i,n);break;
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case 2:printf("name:");scanf("%s",worker[i].name);break;
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case 3:printf("sex:");scanf("%s",worker[i].sex);break;
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case 4:printf("age:");scanf("%s",worker[i].age);break;
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case 5:printf("salary:");scanf("%s",worker[i].salary);break;
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case 6:printf("edu:");scanf("%s",worker[i].edu);break;
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case 7:printf("address:");scanf("%s",worker[i].address);break;
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case 8:printf("tel:");scanf("%s",worker[i].tel);break;
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case 9:menu();break;
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}
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puts("\nNow:\n");
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printf_face();
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printf_one(i);
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printf("\n确定?\n\n\t1).是 2).否，重新修改 3).不保存退出 [ ]\b\b");
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scanf("%d",&w1);
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if(w1==1)save(n);
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}
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while(w1==2);
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return(w1);
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}
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printf_face() //显示数据结构项目
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{ printf("\n\t工号 姓名 性别 年龄 工资 学历 地址 电话号码\n"); }
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void enter() //输入模块
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{ int i,n;
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printf("输入多少个职工信息(0-%d):",N-1);
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scanf("%d",&n);
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printf("\n 请输入职工信息\n\n");
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for(i=0;i<n;i++)
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input(i); //跳转输入数据的函数
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if(i!=0)
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save(n); //跳转保存至文件的函数
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printf_back();
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}
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browse() //浏览模块
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{ int i,j,n;
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n=load();
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printf_face();
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for(i=0;i<n;i++)
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{
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if((i!=0)&&(i%10==0))
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{printf("\n\n按任意键显示下一页...");
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getch();
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puts("\n\n");
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}
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printf_one(i);
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}
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printf("\t这里有 %d 条记录.\n",n);
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printf("\n按任意键返回...");
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getch();
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menu();
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}
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modify() //修改模块
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{
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struct worker s;
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FILE *fp;
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int i,n,k,w0=1,w1,w2=0;
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n=load();
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do
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{
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k=-1;
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printf_face();
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for(i=0;i<n;i++)
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{
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if((i!=0)&&(i%10==0)) //目的是分屏显示
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{printf("\n\n记住要修改的工号.按任意键显示下一页");
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getch();
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puts("\n\n");
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}
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printf_one(i); //调用显示一个记录的函数
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}
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do
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{
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printf("\n\n输入要修改的职工工号! 工号:");
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scanf("%s",s.id); //输入要修改的ID
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for(i=0;i<n;i++) //查找要修改的数据
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if(strcmp(s.id,worker[i].id)==0)
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{
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k=i; //找到要修改的记录
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s=worker[i]; //把worker[i]备份，以便恢复
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}
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if(k==-1)
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printf("\n\n未找到 请重输");
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}
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while(k==-1); //当k=-1表示没有找到
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printf_face(); //调用显示数据结构项目的函数
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printf_one(k); //调用显示一个记录的函数
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w1=modify_data(k,n); //修改记录并返回保存控制值w1，w1=1表示用户已确认修改
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if(w1==1)
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{
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printf("\Successful^_^.\n\n修改另一个？\n\n\t1).是 2).否，保存退出\t[ ]\b\b");
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scanf("%d",&w0);
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w2=1; //用来控制保存，使w2=1是标记已有过修改
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}
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else
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{
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w0=0;
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if(w2==1)
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worker[k]=s;
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}
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if(w0!=1&&w2==1)
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save(n);
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}while(w0==1);
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menu();
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}
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search() //查询模块
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{ int c,w1;
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do
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{puts("\nsearch by=>\n\n1).工号 2}.学历 3).取消并返回");
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printf("Which you needed?:[ ]\b\b");
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scanf("%d",&c);
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if(c>3||c<1)
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{ puts("\nchoice error!please again!");
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getchar();
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}
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}
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while(c>3||c<1);
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{switch(c)
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{case 1:search1();break;
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case 2:search2();break;
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case 3:menu();break;
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}
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}
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}
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search1() //按工号查询模块
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{int i,n,k,w1=1,w2,w3,w4;
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struct worker s;
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n=load();
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do
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{
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do
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{k=-1;
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printf("\n\n输入要查询的工号! id:");
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scanf("%s",s.id);
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printf_face();
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for(i=0;i<n;i++)
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if(strcmp(s.id,worker[i].id)==0)
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{k=i;
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printf_one(k);break;
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}
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if(k==-1)
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{printf("\n\nNo exit!please");
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printf("\n\n继续查找?\n\t1).是 2).否，返回 [ ]\b\b");
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scanf("%d",&w1);
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if(w1==2) menu();
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}
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}
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while(k==-1&&w1==1);
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w4=0;w3=0;
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if(k!=-1)
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{printf("\n\n接下来干什么?\n\t1).查找另一个 2).修改 3).返回菜单 [ ]\b\b");
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scanf("%d",&w2);
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switch(w2)
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{
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case 1:search1();break;
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case 2:w3=modify_data(k,n);break;
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case 3:{menu();break;}
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}
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}
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}
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while(w2==1);
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menu();
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}
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search2() //按学历查询模块
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{
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int i,n,k,w1=1,w2,w3,w4;
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struct worker s;
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n=load();
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do
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{
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do
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{k=-1;
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printf("\n\n请输入你要查询的学历：\n");
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scanf("%s",s.edu);
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printf_face();
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for(i=0;i<n;i++)
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if(strcmp(s.edu,worker[i].edu)==0) //运用strcmp函数来比较学历，从而找到学历所属职工
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{k=i;
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printf_one(k);
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}
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if(k==-1)
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{printf("\n\nNo exit!please");
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printf("\n\n继续查找?\n\t1).是 2).否，返回 [ ]\b\b");
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scanf("%d",&w1);
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if(w1==2) menu();
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}
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}
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while(k==-1&&w1==1);
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w4=0;w3=0;
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if(k!=-1)
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{printf("\n\n接下来干什么?\n\t1).查找另一个 2).修改 3).返回菜单 [ ]\b\b");
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scanf("%d",&w2);
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switch(w2)
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{case 1:search2();break;
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case 2:w3=modify_data(k,n);break;
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case 3:{menu();
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break;
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}
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}
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}
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}
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while(w2==1);
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menu();
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}
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menu()
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{
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int n,w1;
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do
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{
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puts("\t\t*******************菜单*******************\n\n");
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puts("\t\t\t\t1.录入职工信息");
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puts("\t\t\t\t2.浏览职工信息");
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puts("\t\t\t\t3.查询职工信息");
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puts("\t\t\t\t4.修改职工信息");
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puts("\t\t\t\t5.退出");
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puts("\t\t****************************************\n\n");
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printf("请选择(1~5): [ ]\b\b");
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scanf("%d",&n);
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if(n<1||n>5) //对选择的数字作判断
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{w1=1;getchar();}
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else w1=0;
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} while(w1==1);
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switch(n)
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{case 1:enter();break; //录入
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case 2:browse();break; //浏览
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case 3:search();break; //查询
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case 4:modify();break; //修改
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case 5:exit(0); //退出
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}
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}
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main()
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{
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menu();
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}
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