#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <string.h>
int i=1;
struct staffsinfor
{
    char staffnums[100];
    char name[100];
    char sex[100];
    char year[100];
    char studyF[100];
    char homedress[100];
    char money[100];
    char phonenum[100];
}staffs[50];
void reader()
{
  FILE *fp;
  int n = 0;
  if( (fp = fopen("g:\\..txt","r")) == NULL )
  {

    return 0;
  }
   fscanf(fp,"%d\n",&i);
  while(n < i)
  {
    fscanf(fp,"%s\n%s\n%s\n%s\n%s\n%s\n%s\n",staffs[n].staffnums,staffs[n].name,staffs[n].sex,staffs[n].studyF,staffs[n].homedress,staffs[n].money,staffs[n].phonenum);
    n ++;
  }


  fclose(fp);
}
void writeer()
{
  FILE *fp;
  int n = 0;
  if( (fp = fopen("g:\\..txt","wb")) == NULL )
  {
    return ;
  }
  fprintf(fp,"%d\n",i);
  while(n < i)
  {
    fprintf(fp,"%s\n%s\n%s\n%s\n%s\n%s\n%s\n",staffs[n].staffnums,staffs[n].name,staffs[n].sex,staffs[n].studyF,staffs[n].homedress,staffs[n].money,staffs[n].phonenum);
    n ++;
  }
  fclose(fp);
}
void input(struct staffsinfor staffs[]){


  int n;
  int a;
  int  c,d;
  reader();
  system("cls");
  do
  {
      system("cls");
      printf("\t\t\t\t您在进行的是信息录入！\t\t\t\n\n\n");
    a = 0;
    printf("\t\t请输入职工的工号:               \n\t\t");
    scanf("%s",staffs[i].staffnums);
    for(n = 0 ; n < i ; n ++)
    {
      if(strcmp(staffs[n].staffnums,staffs[i].staffnums) == 0)
      {
        a = 1;
        break;
      }
    }
    if(a!=0)
    {

      MessageBox(NULL,"职工号已存在","系统提示",MB_OK);
     d= MessageBox(NULL,"是否继续录入？","系统提示",MB_YESNO);
      if(d==6)
      continue;
      break;
    }
    printf("\t\t请输入职工的姓名:               \n\t\t");
    scanf("%s",staffs[i].name);
    printf("\t\t请输入职工的性别:               \n\t\t");
    scanf("%s",staffs[i].sex);
    printf("\t\t请输入职工的年龄:               \n\t\t");
    scanf("%s",staffs[i].year);
    printf("\t\t请输入职工的学历:               \n\t\t");
    scanf("%s",staffs[i].studyF);
    printf("\t\t请输入职工的工资:               \n\t\t");
    scanf("%s",staffs[i].money);
    printf("\t\t请输入职工的住址:               \n\t\t");
    scanf("%s",staffs[i].homedress);
    printf("\t\t请输入职工的电话:               \n\t\t");
    scanf("%s",staffs[i].phonenum);
    c=MessageBox(NULL,"是否继续录入","系统提示",MB_YESNO);
    i ++;
  }while( c ==6);
  writeer();
  MessageBox(NULL,"操作完成","系统提示",MB_OK);
}

void look(struct staffsinfor staffs[]){
    int j;;char o;
    reader();j=i-1;
        three :
        system("cls");
        printf("\t\t\t\t您在进行的是浏览名单！\n\n\n");
        printf("\t\t1,单个浏览\t\t\t2,总览\n");
        char v;
        scanf("%c",&v);
        if(v>'2'||v<'1')
        {
            printf("输入错误，请重新输入！");
            system("pause");
            goto three;
        }
        else if(v=='2')
            goto L999;
    if(j==0)
      {
          MessageBox(NULL,"未找到名单信息！","系统提示",MB_OK);
            return 0;
      }

        o1 :
          system("cls");
            printf("\t\t\t姓名：\n\t\t\t\t\t\t\t%s",staffs[j].name);
            printf("\n\t\t\t职工号：\n\t\t\t\t\t\t\t%s",staffs[j].staffnums);
            printf("\n\t\t\t性别：\n\t\t\t\t\t\t\t%s",staffs[j].sex);
            printf("\n\t\t\t年龄：\n\t\t\t\t\t\t\t%s",staffs[j].year);
            printf("\n\t\t\t学历：\n\t\t\t\t\t\t\t%s",staffs[j].studyF);
            printf("\n\t\t\t工资：\n\t\t\t\t\t\t\t%s",staffs[j].money);
            printf("\n\t\t\t家庭住址：\n\t\t\t\t\t\t\t%s",staffs[j].homedress);
            printf("\n\t\t\t电话号码：\n\t\t\t\t\t\t\t%s",staffs[j].phonenum);
            printf("\n\n\n\t\t\t\t\t\t按A和D切换名单\n\t\t\t\t\t\t按任意键退回菜单");
            o=getch();
      if(o=='A')
      {
          if(j==1)
            {system("cls");
                printf("这已经是第一个了");
                system("pause");
                goto o1;
            }
            j--;
            goto o1;
      }
      if(o=='D')
      {
        if(j==i)
        {system("cls");
            printf("这是最后一个了");
            system("pause");
            goto o1;
        }
        j++;
        goto o1;
      }
      else
        return 0;
        L999:
            system("cls");
            for(v=0;v<i;v++)
            {
                output_inf(v);
                printf("---------------------------------------------------\n");
            }
            system("pause");
            return 0;

}
void output_inf(int id)
{
  printf("\t\t  姓名: %s\n",staffs[id].name);
  printf("\t\t  工号: %s\n",staffs[id].staffnums);
  printf("\t\t  性别: %s\n",staffs[id].sex);
  printf("\t\t  年龄: %s\n",staffs[id].year);
  printf("\t\t  学历: %s\n",staffs[id].studyF);
  printf("\t\t  工资: %s\n",staffs[id].money);
  printf("\t\t  住址: %s\n",staffs[id].homedress);
  printf("\t\t  电话: %s\n",staffs[id].phonenum);
  printf("\n\n\n");
}
void shanchu(){
          int n,j;char delete_ID[20];
    int flag;
        char c;
        reader();
  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(n=0;n<i;n++)
    {
      if( strcmp(staffs[n].staffnums,delete_ID) == 0)
      {
        i--;
        flag = 1;
        for(j=n ; j < i ; j ++)
        {
          staffs[j] =staffs[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");
    int k;
    k=MessageBox(NULL,"是否继续删除？","系统提示",MB_YESNO);

    if(k!=6) break;
  }
  writeer();
}
void que()//查询信息
{
  char num;
  int flag,n;
  char q_id[20] ;//查询工号
  char q_name[20] ;//查询姓名
  char q_edu[20] ; //查询学历
  int c;//

  reader();//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*         按0退出本模块                  *\n");
    printf("\t\t******************************************\n");
    printf("\t\t请输入指令(1-2):");
    scanf("%d",&num);
    if(num < 0 || num > 2)
    {
      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(n = 0 ; n < i ;n ++)
      {
        if( strcmp(staffs[n].staffnums,q_id) == 0)
        {
          output_inf(n);
          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(n = 0 ; n < i ;n ++)
      {
        if( strcmp(staffs[n].name,q_name) == 0)
        {
          output_inf(n);
          flag = 1;//标记
        }
      }
    }
    else if(num ==0)
        return 0;

    if(!flag)//判断是否有该职工信息
    {
      printf("\n\n无该职工信息!\n\n");
    }
    int k;
   k= MessageBox(NULL,"是否继续？","系统提示",MB_YESNO);
    if(k!=6) break;
  }
}

void xiugai(){
    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 n;
  reader();
  while(1)
  {
    flag = 0;
    system("cls");
    printf("请输入需修改的职工的工号：");
    scanf("%s",change_ID);
    for(n = 0 ; n < i ; n ++)
    {
      if( strcmp(staffs[n].staffnums,change_ID) == 0 )
      {
        number = n;
        flag = 1;
        break;
      }
    }
    if(!flag)
    {
      printf("\n\n无此员工信息！！\n\n");
    c=MessageBox(NULL,"是否继续？","系统提示",MB_YESNO);
      if(c==6) continue;
      break;
    }
    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.修改工资         *\n");
    printf("\t\t*                    *\n");
    printf("\t\t*       4.修改住址         *\n");
    printf("\t\t*                    *\n");
    printf("\t\t*       5.修改电话         *\n");
    printf("\t\t*                    *\n");
    printf("\t\t*       6.修改性别         *\n");
    printf("\t\t*                    *\n");
    printf("\t\t*    按0退出     *\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(staffs[number].name,message); break;
      case '2' : strcpy(staffs[number].studyF,message); break;
      case '3' : strcpy(staffs[number].money,message); break;
      case '4' : strcpy(staffs[number].homedress,message); break;
      case '5' : strcpy(staffs[number].phonenum,message); break;
      case '6' : strcpy(staffs[number].sex,message);break;
      case '0' :exit(1);
    }
    system("cls");int k;
   k=MessageBox(NULL,"是否继续？","系统提示",MB_YESNO);

    if(k==6) break;
  }
  writeer();
}

int main()
{
    char a;
   /*职工信息管理系统设计（最多2人）
职工信息包括职工号、姓名、性别、年龄、学历、工资、住址、电话等（职工号不重复）。
试设计一职工信息管理系统，使之能提供以下功能：
1、系统以菜单方式工作
2、职工信息录入功能(职工信息用文件保存)－－输入
3、职工信息浏览功能－－输出
4、职工信息查询功能－－算法
查询方式
按学历查询等
按职工号查询等
5、职工信息删除、修改功能(可选项)*/

    one :
    system("cls");
    printf("\t\t\t\t管理菜单\t\t\t\t\n");
    printf("**********************************************************************\n\n\n");
    printf("\t\t\t\tA.录入信息\t\t\t\t\n\n");
    printf("\t\t\t\tB.浏览名单\t\t\t\t\n\n");
    printf("\t\t\t\tC.查询信息\t\t\t\t\n\n");
    printf("\t\t\t\tD.删除信息\t\t\t\t\n\n");
    printf("\t\t\t\tE.修改信息\t\t\t\t\n\n");
    printf("\t\t\t\t\t按BackSpace返回上一页\n\n\n");
    printf("\t\t\t\t\tBy--罗丁，高论域\n\n");
    printf("**********************************************************************\n");
    a=getch();
    if(a=='A')
    {
        input(staffs);
        goto one;
    }
    else if(a=='B')
    {
        look(staffs);
        goto one;
    }
    else if(a=='C')
    {
        que(staffs);


        goto one;
    }
    else if(a=='D')
    {
        shanchu();
        goto one;
    }
    else if(a=='E')
    {
        xiugai();
        goto one;
    }
    else
    {
        printf("输入错误!");
        system("pause");
        goto one;
    }
    return 0;

}