C语言职工信息管理系统源码

#include <stdio.h> 
#include <stdlib.h> 
#include <string.h> 
#include <conio.h> 
struct worker 
{ 
  char ID[20];//工号 
  char name[20];//姓名 
  char sex[5];//性别 
  char born[20];//生日 
  char edu[20];//学历 
  char position[20];//职务 
  char wage[10];//工资 
  char address[100];//住址 
  char tel[15];//电话 
}work[1000]; 
int n ; 
 
//文件读写模块 
void read()//读入数据 
{ 
  FILE *fp; 
  int i = 0; 
  if( (fp = fopen("d:\\date.txt","r")) == NULL ) 
  { 
    printf("请在D盘根目录下新建一个文本文件，文件名为date\n\n\n"); 
    system("pause"); 
    system("cls"); 
    return ; 
  } 
  fscanf(fp,"%d\n",&n); 
  while(i < n) 
  { 
    fscanf(fp,"%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",work[i].ID,work[i].name,work[i].sex,work[i].born,work[i].edu,work[i].position,work[i].wage,work[i].address,work[i].tel); 
    i ++; 
  } 
  fclose(fp); 
} 
void write()//写入数据 
{ 
  FILE *fp; 
  int i = 0; 
  if( (fp = fopen("d:\\date.txt","w")) == NULL ) 
  { 
    printf("无法打开文件！\n"); 
    return ; 
  } 
  fprintf(fp,"%d\n",n); 
  while(i < n) 
  { 
    fprintf(fp,"%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n",work[i].ID,work[i].name,work[i].sex,work[i].born,work[i].edu,work[i].position,work[i].wage,work[i].address,work[i].tel); 
    i ++; 
  } 
  fclose(fp); 
} 
 
 
//输入模块 
void input()// 从键盘输入 
{ 
  int i; 
  int flag;//标记工号是否已存在 
  char c;//指令Y?N 
  read();//输入数据前先将文件中原有的数据读入 
  do 
  { 
    flag = 0; 
    printf("\t\t请输入职工的工号:               \n\t\t"); 
    scanf("%s",work[n].ID); 
    for(i = 0 ; i < n ; i ++) 
    { 
      if(strcmp(work[i].ID,work[n].ID) == 0) 
      { 
        flag = 1; 
        break; 
      } 
    } 
    if(flag) 
    { 
      printf("该工号已存在！\n\n"); 
      printf("\t\t是否继续输入?(Y/N): "); 
      scanf("%*c%c",&c); 
      if(c == 'N' || c == 'n') break; 
      continue; 
    } 
    printf("\t\t请输入职工的姓名:               \n\t\t"); 
    scanf("%s",work[n].name); 
    printf("\t\t请输入职工的性别:               \n\t\t"); 
    scanf("%s",work[n].sex); 
    printf("\t\t请输入职工的出生年月:             \n\t\t"); 
    scanf("%s",work[n].born); 
    printf("\t\t请输入职工的学历:               \n\t\t"); 
    scanf("%s",work[n].edu); 
    printf("\t\t请输入职工的职务:               \n\t\t"); 
    scanf("%s",work[n].position); 
    printf("\t\t请输入职工的工资:               \n\t\t"); 
    scanf("%s",work[n].wage); 
    printf("\t\t请输入职工的住址:               \n\t\t"); 
    scanf("%s",work[n].address); 
    printf("\t\t请输入职工的电话:               \n\t\t"); 
    scanf("%s",work[n].tel); 
    printf("\t\t是否继续输入?(Y/N): "); 
    scanf("%*c%c",&c); 
    n ++; 
  }while( c != 'N' && c != 'n'); 
  write(); 
  printf("\n\n数据已保存！\n\n"); 
} 
 
 
//显示模块 
void output_inf(int id) 
{ 
  printf("\t\t  工号: %s\n",work[id].ID); 
  printf("\t\t  姓名: %s\n",work[id].name); 
  printf("\t\t  性别: %s\n",work[id].sex); 
  printf("\t\t出生年月: %s\n",work[id].born); 
  printf("\t\t  学历: %s\n",work[id].edu); 
  printf("\t\t  职务: %s\n",work[id].position); 
  printf("\t\t  工资: %s\n",work[id].wage); 
  printf("\t\t  住址: %s\n",work[id].address); 
  printf("\t\t  电话: %s\n",work[id].tel); 
  printf("\n\n\n"); 
} 
void show()//显示所有职工信息 
{ 
  int i; 
  read(); 
  if(n == 0) printf("无记录!\n\n"); 
  else 
    for(i = 0 ; i < n ; i ++) 
    { 
      output_inf(i); 
    } 
} 
 
 
//查询模块 
void que()//查询信息 
{ 
  char num; 
  int flag,i; 
  char q_id[20] ;//查询工号 
  char q_name[20] ;//查询姓名 
  char q_edu[20] ; //查询学历 
  char q_position[20] ;//查询职位 
  char c;//指令Y?N 
  read();//打开程序后，要查询以前的数据，要先读入 
  while(1) 
  { 
    system("cls"); 
    printf("\t\t******************查询********************\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       1.按工号查询        *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       2.按姓名查询        *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       3.按学历查询        *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       4.按职务查询        *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*    输入其他任意键退出本模块     *\n"); 
    printf("\t\t******************************************\n"); 
    printf("\t\t请输入指令(1-4):"); 
    scanf("%*c%c",&num); 
    if(num < '1' || num > '4') 
    { 
      printf("错误指令！\n\n"); 
      system("pause"); 
      continue; 
    } 
    system("cls"); 
    flag = 0;//用来标记职工信息是否存在 
    if(num == '1')//按工号查询 
    { 
      printf("\t\t请输入您要查询职工的工号："); 
      scanf("%s",q_id); 
      for(i = 0 ; i < n ;i ++) 
      { 
        if( strcmp(work[i].ID,q_id) == 0) 
        { 
          output_inf(i); 
          flag = 1;//标记 
          break; 
        } 
      } 
    } 
    else if(num == '2')//按姓名查询 
    { 
      printf("\t\t请输入您要查询职工的姓名："); 
      scanf("%s",q_name); 
      for(i = 0 ; i < n ;i ++) 
      { 
        if( strcmp(work[i].name,q_name) == 0) 
        { 
          output_inf(i); 
          flag = 1;//标记 
        } 
      } 
    } 
    else if(num == '3')//按学历查询 
    { 
      printf("\t\t请输入您要查询职工的学历："); 
 
      scanf("%s",q_edu); 
      for(i = 0 ; i < n ;i ++) 
      { 
        if( strcmp(work[i].edu,q_edu) == 0) 
        { 
          output_inf(i); 
          flag = 1;//标记 
        } 
      } 
    } 
    else if(num == '4')//按职务查询 
    { 
      printf("\t\t请输入您要查询职工的职务："); 
      scanf("%s",q_position); 
      for(i = 0 ; i < n ;i ++) 
      { 
        if( strcmp(work[i].position,q_position) == 0) 
        { 
          output_inf(i); 
          flag = 1;//标记 
        } 
      } 
    } 
    if(!flag)//判断是否有该职工信息 
    { 
      printf("\n\n无该职工信息!\n\n"); 
    } 
    printf("\n\n是否继续查询(Y/N):"); 
 
    scanf("%*c%c",&c); 
    if(c == 'N' || c == 'n') break; 
  } 
} 
 
//修改信息模块 
void mod()//修改职工信息 
{ 
  char change_ID[20];//需修改的职工的工号 
  int number;//职工信息在数据中的位置 
  char num;//指令 
  char message[100];//修改的信息 
  char c;//指令Y?N 
  int flag; 
  int i; 
  read(); 
  while(1) 
  { 
    flag = 0; 
    system("cls"); 
    printf("请输入需修改的职工的工号："); 
    scanf("%s",change_ID); 
    for(i = 0 ; i < n ; i ++) 
    { 
      if( strcmp(work[i].ID,change_ID) == 0 ) 
      { 
        number = i; 
        flag = 1; 
        break; 
      } 
    } 
    if(!flag) 
    { 
      printf("\n\n无此员工信息！！\n\n"); 
      printf("\n\n是否继续修改(Y/N):"); 
      scanf("%*c%c",&c); 
      if(c == 'N' || c == 'n') break; 
      continue; 
    } 
    printf("\n\n\t\t******************修改********************\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       1.修改姓名         *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       2.修改学历         *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       3.修改职务         *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       4.修改工资         *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       5.修改住址         *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*       6.修改电话         *\n"); 
    printf("\t\t*                    *\n"); 
    printf("\t\t*    输入其他任意键退出本模块     *\n"); 
    printf("\t\t******************************************\n"); 
    printf("\t\t请输入指令(1-6):"); 
    scanf("%*c%c",&num); 
    if(num < '1' || num > '6') 
    { 
      printf("错误指令！\n\n"); 
      system("pause"); 
      continue; 
    } 
    system("cls"); 
    printf("请输入修改后的信息："); 
    scanf("%s",message); 
    switch(num) 
    { 
      case '1' : strcpy(work[number].name,message); break; 
      case '2' : strcpy(work[number].edu,message); break; 
      case '3' : strcpy(work[number].position,message); break; 
      case '4' : strcpy(work[number].wage,message); break; 
      case '5' : strcpy(work[number].address,message); break; 
      case '6' : strcpy(work[number].tel,message); break; 
    } 
    system("cls"); 
    printf("\n\n是否继续修改(Y/N):"); 
    scanf("%*c%c",&c); 
    if(c == 'N' || c == 'n') break; 
  } 
  write(); 
} 
 
 
//删除信息模块 
void del()//删除职工信息 
{ 
  char delete_ID[20];//删除职工工号 
  int i,j; 
  int flag;//标记是否有该职工信息 
  char c; 
  read(); 
  while(1) 
  { 
    system("cls"); 
    flag = 0; 
    printf("请输入需删除职工信息的工号："); 
    scanf("%s",delete_ID); 
    for(i = 0 ; i < n ; i ++) 
    { 
      if( strcmp(work[i].ID,delete_ID) == 0) 
      { 
        n --; 
        flag = 1; 
        for(j = i ; j < n ; j ++) 
        { 
          work[j] =work[j + 1]; 
        } 
        break; 
      } 
    } 
    if(!flag) printf("\n\n无此员工信息！\n\n"); 
    else printf("\n\n删除成功！\n"); 
    printf("\n\n是否继续删除(Y/N):"); 
    scanf("%*c%c",&c); 
    if(c == 'N' || c == 'n') break; 
  } 
  write(); 
} 
 
//菜单模块 
void menu()//菜单 
{ 
  printf("\t\t************职工信息管理系统菜单**********\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t*       1.录入职工信息      *\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t*       2.显示职工信息      *\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t*       3.查询职工信息      *\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t*       4.修改职工信息      *\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t*       5.删除职工信息      *\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t*       0.退出          *\n"); 
  printf("\t\t*                    *\n"); 
  printf("\t\t******************************************\n"); 
  printf("\t\t请输入指令(0-5): "); 
} 
 
 
int main() 
{ 
  int num; 
  n = 0; 
  system("color 0B"); 
  while(1) 
  { 
    menu(); 
    scanf("%d",&num); 
    system("cls"); 
    switch(num) 
    { 
      case 1: input(); break; 
      case 2: show(); break; 
      case 3: que();  break; 
      case 4: mod();  break; 
      case 5: del();  break; 
      case 0: printf("谢谢使用！\n\n"); return 0; 
      default :printf("\n--->无效的指令!\n\n\n"); 
    } 
    system("pause"); 
    system("cls"); 
  } 
}