login.cpp

员工管理系统读您的文件包然后写出其具体功能(至少要20个字)。尽量不要让站长把时间都花费在为您

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "login.h"
#include "main.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"


TFm_login *Fm_login;
//---------------------------------------------------------------------------
__fastcall TFm_login::TFm_login(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TFm_login::bt_loginClick(TObject *Sender)
{
static int count;
AnsiString S;
  
S="select * from operator where gongh='"+Edit1->Text+"' and koul='"+Edit2->Text+"'";
  pwdQuery->Close();
  pwdQuery->SQL->Clear();
  pwdQuery->SQL->Add(S);
  pwdQuery->Open();

  if(pwdQuery->Eof)
  {
    count++;
    if(count>=3)
    {
       pwdQuery->Close();
       Fm_login->Close();
       MainForm->Close();
    }
    Application->MessageBox("用户名或密码错误，请重新输入！", "错误", MB_ICONERROR+MB_OK);
    Edit2->Text="";
    Edit2->SetFocus();
  }
  else
  {
    MainForm->loginok=true;
    MainForm->StatusBar1->Panels->Items[1]->Text="操作员："+pwdQuery->FieldByName("xingm")->AsString;

    Edit1->Text="";
    Edit2->Text="";
    pwdQuery->Close();
    Fm_login->Close();
   }

}
//---------------------------------------------------------------------------

void __fastcall TFm_login::bt_exitClick(TObject *Sender)
{
    Close();
   MainForm->Close();

}
//---------------------------------------------------------------------------





//---------------------------------------------------------------------------


void __fastcall TFm_login::Edit1KeyPress(TObject *Sender, char &Key)
{
if(Key==char(13))
SelectNext((TWinControl*)(Sender),true,true);
//回车后自动进入下一控件
        
}
//-------------------------------------------------------------------------