//全部源代码： 
#include<stdio.h>
   #include<string.h>
  #include<conio.h>
 #include <stdlib.h> 


   #define MAX 100
   char  filename[20];            /*文件名*/
  FILE *fp;
  int n;                  /*当前该厂人数*/
   struct date        /*时间结构体*/
   { int year;
     int mouth;
     int day;
   } ;
   struct person         /*员工信息结构体*/
   { char name[10];      /*姓名*/
     int age;            /*年龄*/
     char job[10];       /*工作*/
     char sex[10];       /*性别*/
     char address[20];   /*地址*/
     char phone[10];     /*电话*/
     struct date in_time; /*入厂时间*/
   }t,worker[MAX];

/*录入模块*/
 void input()
 {int i; 
    system("cls");//system("cls");
    printf("\n\n请输入文件名\n");
  scanf("%s",filename);
  printf("开始输入员工的信息\n");
  printf("\n请输入现有员工人数\n");
      scanf("%d",&n);
  if((fp=fopen(filename,"w"))==NULL)
  { printf("不能建立！\n");
    exit(0);
  }
 for(i=0;i<n;i++)
  { printf("第%d个人的信息：\n",i+1);
    printf("姓名\n");
    scanf("%s",worker[i].name);
    printf("年龄\n");
    scanf("%d",&worker[i].age);
    printf("工作\n");
    scanf("%s",worker[i].job);
    printf("性别\n");
    scanf("%s",worker[i].sex);
    printf("地址\n");
    scanf("%s",worker[i].address);
    printf("电话\n");
    scanf("%s",worker[i].phone);
    printf("入厂年\n");
    scanf("%d",&worker[i].in_time.year);
    printf("入厂月\n");
    scanf("%d",&worker[i].in_time.mouth);
    printf("入厂日\n");
    scanf("%d",&worker[i].in_time.day);
  }
  printf("录入完毕，按任意键返回主菜单\n");
  getch();
  for(i=0;i<n;i++)
  fprintf(fp,"%s  %d  %s  %s  %s  %s  %d-%d-%d\n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
  fclose(fp);
}
/*输出模块*/
 void output()
 { int i; 
   if((fp=fopen(filename,"r"))==NULL)
 { printf("   暂时未有任何信息，请按任意键返回主菜单进行信息录入\n");
    getch();
    exit(0);
 }
    system("cls");
 printf("   该厂的员工信息：\n");
     printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
   for(i=0;i<n;i++)
   { fscanf(fp,"%s %d %s %s %s %s %d-%d-%d",worker[i].name,&worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,&worker[i].in_time.year,&worker[i].in_time.mouth,&worker[i].in_time.day);
       printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
   }
   fclose(fp);
    printf("   输出完毕，按任意键返回主菜单\n");
     getch();
 }
 /*保存模块*/
 void save()
 {   int i;
     if((fp=fopen(filename,"w"))==NULL)         /*打开文件*/
     {   printf("\n   不能打开该文件！");
         exit(0);
     }
      for(i=0;i<n;i++)
  fprintf(fp,"%s  %d  %s  %s  %s  %s  %d-%d-%d\n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
  fclose(fp);
 }
 /*读取信息*/
void read_message()
 {     int i; 
  printf("输入文件名\n");
    scanf("%s",filename);
    printf("\n请输入现有员工人数\n");
      scanf("%d",&n);
     if((fp=fopen(filename,"r"))==NULL)
 { printf("   暂时未有任何信息，请按任意键返回主菜单进行信息录入\n");
   getch();
 }
   for(i=0;i<n;i++)
    fscanf(fp,"%s %d %s %s %s %s %d-%d-%d",worker[i].name,&worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,&worker[i].in_time.year,&worker[i].in_time.mouth,&worker[i].in_time.day);
    fclose(fp);
}
/*修改模块*/
void modify()
 { int i,flag,choice; char ch,namekey[10];
    flag=0;
    system("cls");
  printf("   开始修改\n");
  do
  {
   printf("请输入要修改的员工姓名\n");
   scanf("%s",namekey);
   for(i=0;i<n;i++)
   { if(strcmp(worker[i].name,namekey)==0)
   { printf("是否修改此人(y/n)\n");
     printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
      printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      getchar();           /*接收回车*/
      ch=getchar();
      if(ch=='y')
      { printf("   ****您要修改那一项？***\n\n");
        printf("   ***1,姓名***\n\n");
        printf("   ***2,年龄***\n\n");
        printf("   ***3,工作***\n\n");
        printf("   ***4,性别***\n\n");
        printf("   ***5,地址***\n\n");
        printf("   ***6,电话***\n\n");
        printf("   ***7,入厂年***\n\n");
        printf("   ***8,入厂月***\n\n");
        printf("   ***9,入厂日***\n\n");
        printf("      请选择(1-9)\n");
        scanf("%d",&choice);
        switch(choice)
        { case 1: printf("输入修改后的姓名\n");
                  scanf("%s",worker[i].name); break;
          case 2: printf("输入修改后的年龄\n");
                  scanf("%d",&worker[i].age);   break;
          case 3: printf("输入修改后的工作\n");
                  scanf("%s",worker[i].job); break;
          case 4: printf("输入修改后的性别\n");
                  scanf("%s",worker[i].sex); break;
          case 5: printf("输入修改后的地址\n");
                  scanf("%s",worker[i].address); break;
          case 6: printf("输入修改后的电话\n");
                  scanf("%s",worker[i].phone); break;
          case 7: printf("输入修改后的入厂年\n");
                  scanf("%d",&worker[i].in_time.year); break;
          case 8: printf("输入修改后的入厂月\n");
                  scanf("%d",&worker[i].in_time.mouth); break;
          case 9: printf("输入修改后的入厂日\n"); 
                   scanf("%d",&worker[i].in_time.day); break;
        }
        printf("修改后的信息\n");
       printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
      printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
   }
    else break;
   }
   else
   if(i==n)  printf("此人不存在\n");
   }
   printf("\n是否继续输入(y/n)\n");
   getchar();           /*接收回车*/
   ch=getchar();
  if(ch=='y')
  { printf("继续\n");
      flag=1;
  }
  else flag=0;
  }while(flag==1); 
printf("修改完毕，按任意键返回主菜单\n") ;
getch();

 }
/*添加模块*/
void add()
 { int i,flag=0; char ch;
      system("cls");
    printf("\n   开始添加新员工\n");
   printf("   *----------------------------------*\n\n");
do
{ i=n;
   printf("\n   请输入添加职工的信息(姓名,年龄,工作,性别,地址,电话,入厂时间)\n");   
   printf("姓名\n");
    scanf("%s",worker[i].name);
    printf("年龄\n");
    scanf("%d", &worker[i].age);
    printf("工作\n");
    scanf("%s",worker[i].job);
    printf(" 性别\n");
    scanf("%s",worker[i].sex);
    printf("地址\n");
    scanf("%s",worker[i].address);
    printf("电话\n");
    scanf(" %s",worker[i].phone);
    printf("入厂年\n");
    scanf("%d",&worker[i].in_time.year);
    printf("入厂月\n");
    scanf("%d",&worker[i].in_time.mouth);
    printf("入厂日\n");
    scanf("%d",&worker[i].in_time.day);
    n++;
   printf("\n添加成功！是否继续输入(y/n)\n");
  getchar();           /*接收回车*/
  ch=getchar();
  if(ch=='y')
  { printf("继续\n");
      flag=1;
  }
  else flag=0;
  }while(flag==1); 
    printf("添加完毕，按任意键返回主菜单\n") ;
   getch();
 }

/*删除模块*/
void  del()
 { int i,flag; char ch,namekey[10];
    flag=0;
    system("cls");
   printf("开始删除\n");
   do
  { printf("请输入要删除员工的名字\n");
    scanf("%s",namekey);
    for(i=0;i<n;i++)
     if(strcmp(worker[i].name,namekey)==0)      /*查找此人*/
   { printf("是否删除此人(y/n)\n");
       printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
      printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      getchar();           /*接收回车*/
  ch=getchar();
  if(ch=='y')
  { for(;i<n;i++)
    worker[i]=worker[i+1];
    n--;
  }
  else break;
   }
   else
   if(i==n)
    printf("此人不存在\n");
  printf("\n是否继续输入(y/n)\n");
  getchar();           /*接收回车*/
  ch=getchar();
  if(ch=='y')
  { printf("继续\n");
      flag=1;
  }
  else flag=0;
  }while(flag==1); 
  printf("操作完毕，按任意键返回主菜单\n") ;
  getch();
 }
   /*更新模块*/
 void renew()
 { int i;
     do
   {    system("cls");
     printf("\n\n\n    ****更新员工信息****\n\n");
     printf("        按1，添加员工信息\n\n");
     printf("        按2，删除员工信息\n\n");
     printf("        按3，修改员工信息\n\n");
     printf("        按0,返回主菜单\n");
     printf("        请选择(0-3)\n");
      scanf("%d",&i);
      switch(i)
      { case 1: add(); break;
        case 2: del(); break;
        case 3: modify(); break;
        case 0: break;
      }
   }while(i!=0);
    save();
 }
  /*按姓名查找*/
void name_cha()
{ int i,j; char namekey[10];
   j=0;
         system("cls");
  printf("        输入要查询的员工姓名\n");
  scanf("%s",namekey);
  for(i=0;i<n;i++)
   if(strcmp(worker[i].name,namekey)==0)      /*查找此人*/
   { printf("---------员工信息------\n");
       printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
      printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
   }
   else j++;
   if(j==n)
   printf("此人不存在\n");
   printf("按任意键返回主菜单\n");
      getch();
 }
    /*按年龄查找*/
void age_cha()
{ int i,j; int agekey;
   j=0;
       system("cls");
   printf("        输入要查询员工的年龄\n");
   scanf("%d",&agekey);
   for(i=0;i<n;i++)
       if(worker[i].age==agekey)
       {  printf("-------员工信息------\n");
          printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
          printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
       }
     else j++;
    if(j==n)
   printf("此人不存在\n");
   printf("按任意键返回主菜单\n");
      getch();
}
   /*按工作查找*/
void job_cha()
{ int i,j; char jobkey[10];
  j=0;
     system("cls");
  printf("输入要查询的员工职务\n");
  scanf("%s",jobkey);
  for(i=0;i<n;i++)
      if(strcmp(worker[i].job,jobkey)==0)
      {  printf("-------员工信息------\n");
          printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
          printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      }
     else j++;
    if(j==n)
   printf("此人不存在\n");
   printf("按任意键返回主菜单\n");
      getch();
    }
  /*查询模块*/
 void inquire()
 {  int i;
     do
    {   system("cls");
      printf("\n\n\n   ****查询员工信息*****\n\n");
      printf("   ****1,按姓名查询*****\n\n");
      printf("   ****2,按年龄查询*****\n\n");
      printf("   ****3,按工作查询*****\n\n");
      printf("   ****0,返回主菜单\n");
      printf("      请选择(0-3)\n");
      scanf("%d",&i);
      switch(i)
      { case 1: name_cha();break;
        case 2: age_cha(); break;
        case 3: job_cha();break;
        case 0: break;
      }
    }while(i!=0);
  }
/*排列模块*/
 void line()
 { int i,j;
        system("cls");
   printf("-------按年龄排序-------\n\n");
   for(i=0;i<n-1;i++)
       for(j=i+1;j<n;j++)
           if(worker[i].age>worker[j].age)
           { t=worker[i];
             worker[i]=worker[j];
             worker[j]=t;
           }
       printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
      for(i=0;i<n;i++)
        printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      printf("按任意键返回主菜单\n");
      getch();
 }
 /*按年龄统计*/
 void count_age()
 { int i,j; int agekey;
   j=0;
   system("cls");
   printf("        输入要统计员工的年龄\n");
   scanf("%d",&agekey);
   for(i=0;i<n;i++)
       if(worker[i].age==agekey)
       {  printf("-------员工信息------\n");
            printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
          printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      }
     else j++;
    if(j==n)
   printf("暂无该年龄段员工\n");
   printf("按任意键返回主菜单\n");
      getch();
}
/*按职务统计*/
 void count_job()
{ int i,j; char jobkey[10];
  j=0;
       system("cls");
  printf("输入要统计的员工职务\n");
  scanf("%s",jobkey);
  for(i=0;i<n;i++)
      if(strcmp(worker[i].job,jobkey)==0)
      {  printf("-------员工信息------\n");
          printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
          printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      }
     else j++;
    if(j==n)
   printf("暂无该职务或该职务暂时无人\n");
   printf("按任意键返回主菜单\n");
      getch();
}
/*按性别统计*/
 void count_sex()
{ int i,j; char sexkey[10];
  j=0;
       system("cls");
  printf("输入要统计的员工性别\n");
  scanf("%s",sexkey);
  for(i=0;i<n;i++)
      if(strcmp(worker[i].sex,sexkey)==0)
      {  printf("-------员工信息------\n");
        printf("姓名\t年龄\t工作\t性别\t地址\t电话\t入厂时间 \n");
          printf("%s\t%d\t%s\t%s\t%s\t%s\t%d-%d-%d  \n",worker[i].name,worker[i].age,worker[i].job,worker[i].sex,worker[i].address,worker[i].phone,worker[i].in_time.year,worker[i].in_time.mouth,worker[i].in_time.day);
      }
     else j++;
    if(j==n)
   printf("暂无该性别员工\n");
   printf("按任意键返回主菜单\n");
      getch();
}
/*统计模块*/
 void count()
{ int i; 
   do
   {    system("cls");
     printf("\n\n\n   ****统计员工信息****\n\n");
     printf("        按1,统计某年龄职工\n\n");
     printf("        按2,统计某职务员工\n\n");
     printf("        按3,统计某性别职工\n\n");
     printf("        按0,返回主菜单\n\n");
     printf("        请选择(0-3):\n");
     scanf("%d",&i);
     switch(i)
     { case 1: count_age(); break;
       case 2: count_job(); break;
       case 3: count_sex(); break;
       case 0: break;
    }
   }while(i!=0);
 }
/*主函数*/
main()
{ int choice;
 read_message();
    do
  {   system("cls");
    printf("\n\n   *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*\n");
    printf("   *                                                             *\n");
    printf("   #----------------欢迎进入XXX企业员工管理系统-----------------#\n");
    printf("   *                                                             *\n");
    printf("   #----------------------按1，录入员工信息----------------------#\n");
    printf("   *                                                             *\n");
    printf("   #----------------------按2，更新员工信息----------------------#\n");
    printf("   *                                                             *\n");
    printf("   #----------------------按3，查询员工信息----------------------#\n");
    printf("   *                                                             *\n");
    printf("   #----------------------按4，排列员工信息----------------------#\n");
    printf("   *                                                             *\n");
    printf("   #----------------------按5，统计员工信息----------------------#\n");
    printf("   *                                                             *\n");
    printf("   #----------------------按6，输出员工信息----------------------#\n");
    printf("   *                                                             *\n");
    printf("   #-----------------------按0，退出系统-------------------------#\n");
    printf("   *                                                             *\n");
    printf("   #*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#\n");
    scanf("%d",&choice);
    switch(choice)
    { case 1: input(); break;
      case 2: renew(); break;
      case 3: inquire(); break;
      case 4: line(); break;
      case 5: count(); break;
      case 6: output(); break;
      case 0: break;
    }
  }while(choice!=0);
  save();
  printf("现有员工数:%d\n",n);
  printf("\n以上信息已保存!文件名为:%s\n",filename);
 }