C语言职工信息管理系统源码

本文实例为大家分享了C语言职工信息管理系统的具体代码，供大家参考，具体内容如下

#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");
 }
}

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。

原文链接：http://blog.csdn.net/jzmzy/article/details/9147407