C语言职工信息管理系统 C语言职工信息管理系统源码
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#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");
}
}
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