#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 ;
int temp; 
 
//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
  int  sz;//标记char型数组是否存贮非数字信息
  char sex;//输入性别 
  char c;//指令Y?N 
  read();//输入数据前先将文件中原有的数据读入(读取到内存) 
  
  do 
  { 
  		flag = 0; 
    	printf("\t\t请输入职工的工号:(0001-1000)               \n\t\t"); 
    	scanf("%s",work[n].ID); 
    	for(i = 0 ; i < n ; i ++) //与已有工号作比较 
    	{
		temp=atoi(work[n].ID);
		if(!(temp>0000&&temp<=1000&&strlen(work[n].ID)<=4)) 
		{
      	printf("\t\t工号不在规定范围！请重新输入。\n\n\t\t"); 
      	getch();system("cls");
		input(); 
		}
      	if(strcmp(work[i].ID,work[n].ID) == 0) 
      	{ 
        	flag = 1;		//ID已存在，则flag为1 
        	break; 
      	} 
    	} 
    	if(flag) //显示比较结果工号存在/不存在 
    	{ 
      	printf("\t\t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; 
      	system("cls");
		continue; 
    	} 
    	printf("\n\t\t请输入职工的信息:               \n\n"); 
    	printf("\t\t姓名:\t\t"); 
    	scanf("%s",work[n].name); 
    	printf("\t\t性别:\t\t"); 
    	scanf("%s",work[n].sex); 
    	printf("\t\t出生年月:\t"); 
    	scanf("%s",work[n].born); 
    	printf("\t\t学历:\t\t"); 
    	scanf("%s",work[n].edu); 
    	printf("\t\t职务:\t\t"); 
    	scanf("%s",work[n].position); 
			do													//输入工资，并检验是否有非数字信息 
			{
			int  j;
			char pay[10];
			sz=1;
			printf("\t\t工资:\t\t"); 
			scanf("%s",pay);
			for(j=0;j<strlen(pay);j++)
				{
				if(pay[j]>='0'&&pay[j]<='9');
				else  sz=0;
 				} 
				if(sz==0) printf("\t\t请不要输入数字以外的信息！\n\n");
				else strcpy(work[n].wage,pay);
			}while(sz==0); 

    	printf("\t\t住址:\t\t"); 
    	scanf("%s",work[n].address); 

			do													//输入电话号码，并检验是否有非数字信息 
			{
			int  j;
			char num[15];
			sz=1;
			printf("\t\t电话:\t\t"); 
			scanf("%s",num);
			for(j=0;j<strlen(num);j++)
				{
					if(num[j]>='0'&&num[j]<='9');
					else  sz=0;
				 } 
				if(sz==0) printf("\t\t请不要输入数字以外的信息！\n\n");
				else strcpy(work[n].tel,num); 
			}while(sz==0); 
			
    	printf("\n\t\t是否继续输入?(Y/N): "); 
    	scanf("%*c%c",&c); 
    	n ++; 
  }		
  while( c != 'N' && c != 'n'); 
  write(); //将输入(到内存)的数据写进文件 
  printf("\n\n\t\t数据已保存！\n\n"); 
} 
 


//显示模块 
void output_inf(int id) 
{ 
  printf("\t\t|*                                           *|\n"); 
  printf("\t\t|  工号:\t%s\n",work[id].ID); 
  printf("\t\t|  姓名:\t%s\n",work[id].name); 
  printf("\t\t|  性别:\t%s\n",work[id].sex); 
  printf("\t\t|  出生年月:\t%s\n",work[id].born); 
  printf("\t\t|  学历:\t%s\n",work[id].edu); 
  printf("\t\t|  职务:\t%s\n",work[id].position); 
  printf("\t\t|  工资:\t%s\n",work[id].wage); 
  printf("\t\t|  住址:\t%s\n",work[id].address); 
  printf("\t\t|  电话:\t%s\n",work[id].tel);
  printf("\t\t|*                                           *|\n"); 
  printf("\t\t|---------------------------------------------|\n");
  //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 ++) 
    { 
      if(i==0) printf("\n\t\t|=============================================|\n"); 
      output_inf(i);//调用显示模块
	  if(i==(n-1)) printf("\t\t|=============================================|\n");  
    } 
} 
 
 
//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("\n\n");
    printf("\t\t|====================================================|\n");
    printf("\t\t|                        查询                        |\n");
    printf("\t\t|====================================================|\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|====================================================|\n");
    printf("\t\t请输入指令(1-4):"); 
    scanf("%*c%c",&num); 
    if(num <'1' || num >'4') 
    { 
      	printf("\t\t错误指令！\n\n"); 
      	//printf( "即将退回主菜单！\n"); 
      	system("pause"); 
      	printf( "\n\t\t即将退回主菜单！\n\n"); 
      	break; 
    } 
    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\t\t无该职工信息!\n\n"); 
    } 
    printf("\n\n\t\t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;
  int sz; 
  read(); 
  while(1) 
  { 
    flag = 0; 
    system("cls"); 
    printf("\n\n\t\t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\t\t无此员工信息！！\n\n"); 
      printf("\n\n\t\t是否继续修改(Y/N):"); 
      scanf("%*c%c",&c); 
      if(c == 'N' || c == 'n') break; 
      continue; 
    } 
    sz=1;
  	printf("\n\n");
    printf("\t\t|====================================================|\n");
    printf("\t\t|                        修改                        |\n");
    printf("\t\t|====================================================|\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|====================================================|\n");
    printf("\n\t\t请输入指令(1-6):"); 
    scanf("%*c%c",&num); 
    if(num < '1' || num > '6') 
    { 
      printf("\t\t错误指令！\n\n"); 
      system("pause"); 
      continue; 
    } 
    system("cls"); 
    printf("\n\n\t\t请输入修改后的信息："); 
    scanf("%s",message); 
    printf("\n\n\t\t您确认要修改吗(Y/N)：");
    scanf("%*c%c",&c); 
    if(c == 'N' || c == 'n') {sz=0;break;} 
    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\t\t是否继续修改(Y/N):"); 
    scanf("%*c%c",&c); 
    if(c == 'N' || c == 'n') {if(sz==1) write();break;} 
    else  {if(sz==1) write();if(sz==0) read();}
  } 
  
} 
 
 
//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("\t\t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\t\t无此员工信息！\n\n"); 
    else printf("\n\n\t\t删除成功！\n"); 
    printf("\n\n\t\t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("\n\n");
    printf("\t\t|====================================================|\n");
    printf("\t\t|                  学生信息管理系统                  |\n");
    printf("\t\t|====================================================|\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\n"); 
	printf("\t\t请输入指令(0-5): "); 
} 
 
 
int main() 
{ 
  int num; 
  n = 0; 
  system("color 0B"); 
  while(1) 
  { 
    menu(); 								//调用菜单 
    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("\t\t谢谢使用！\n\n"); return 0; 
      default :printf("\n\t\t--->无效的指令!\n\n\n"); 
    } 
    system("pause"); 
    system("cls"); 
  } 
}