frmlogin.frm

企业工资管理系统

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form frmLogin 
   Caption         =   "系统登录"
   ClientHeight    =   2670
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4755
   LinkTopic       =   "Form1"
   ScaleHeight     =   2670
   ScaleWidth      =   4755
   StartUpPosition =   2  '屏幕中心
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   480
      Top             =   2400
      Visible         =   0   'False
      Width           =   3375
      _ExtentX        =   5953
      _ExtentY        =   661
      ConnectMode     =   0
      CursorLocation  =   3
      IsolationLevel  =   -1
      ConnectionTimeout=   15
      CommandTimeout  =   30
      CursorType      =   3
      LockType        =   3
      CommandType     =   2
      CursorOptions   =   0
      CacheSize       =   50
      MaxRecords      =   0
      BOFAction       =   0
      EOFAction       =   0
      ConnectStringType=   1
      Appearance      =   1
      BackColor       =   -2147483643
      ForeColor       =   -2147483640
      Orientation     =   0
      Enabled         =   -1
      Connect         =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=database\企业工资管理系统.mdb;Persist Security Info=False"
      OLEDBString     =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=database\企业工资管理系统.mdb;Persist Security Info=False"
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "用户信息表"
      Caption         =   "Adodc1"
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "宋体"
         Size            =   9
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      _Version        =   393216
   End
   Begin VB.CommandButton cmdCancel 
      Caption         =   "取消"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2400
      TabIndex        =   5
      Top             =   1800
      Width           =   1215
   End
   Begin VB.CommandButton cmdOK 
      Caption         =   "确定"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   10.5
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   720
      TabIndex        =   4
      Top             =   1800
      Width           =   1095
   End
   Begin VB.TextBox PassWord 
      DataSource      =   "Adodc1"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   2040
      PasswordChar    =   "*"
      TabIndex        =   3
      Text            =   "Text2"
      Top             =   1080
      Width           =   1815
   End
   Begin VB.TextBox UserName 
      DataSource      =   "Adodc1"
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2040
      TabIndex        =   1
      Text            =   "Text1"
      Top             =   360
      Width           =   1815
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "用户密码："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   720
      TabIndex        =   2
      Top             =   1080
      Width           =   1215
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "用户名称："
      BeginProperty Font 
         Name            =   "宋体"
         Size            =   12
         Charset         =   134
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   720
      TabIndex        =   0
      Top             =   360
      Width           =   1215
   End
End
Attribute VB_Name = "frmLogin"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmdCancel_Click()
Unload Me
    Exit Sub
End Sub

Private Sub cmdOK_Click()
On Error GoTo errorhandle

 Dim finduser As Boolean
    finduser = False
    Adodc1.Recordset.MoveFirst      '将记录指针移动到首记录
 
 If Trim(UserName.Text = "") Then
        MsgBox "请输入用户名称！", vbOKOnly + vbExclamation, "警告"
        UserName.SetFocus
        Exit Sub
 Else
    Do While Not Adodc1.Recordset.EOF   '判断数据表是否已经读完,即遍历整张表
        If Adodc1.Recordset.Fields("用户名称") = Trim(UserName.Text) Then   'field就是某个字段
            finduser = True
            If Adodc1.Recordset.Fields("用户密码") = Trim(Password.Text) Then
                Me.Hide
                strUserName = Trim(UserName.Text)         '保存用户名称
                frmMain.Show
                Unload Me
            Else
                MsgBox "密码不正确，请重新输入！", vbOKOnly + vbExclamation, "警告"
                Password.SetFocus
                Password.Text = ""
            End If
        End If
        Adodc1.Recordset.MoveNext   '记录往下移动一条
    Loop
        If finduser = False Then
            MsgBox "没有这个用户，请重新输入！", vbOKOnly + vbExclamation, "警告"
            UserName.SetFocus
            UserName.Text = ""
        End If
End If
Exit Sub

errorhandle:
    MsgBox "您的操作有误！", vbOKOnly + vbExclamation, "错误"

End Sub

Private Sub Form_Load()
UserName.Text = ""
Password.Text = ""
End Sub


Private Sub PassWord_KeyPress(KeyAscii As Integer)
Dim finduser As Boolean
finduser = False

Adodc1.Recordset.MoveFirst '将记录指针移动到首记录

If KeyAscii = 13 Then
 
 If Trim(UserName.Text = "") Then
        MsgBox "请输入用户名称！", vbOKOnly + vbExclamation, "警告"
        UserName.SetFocus
        Exit Sub
 
   Else
    Do While Not Adodc1.Recordset.EOF   '判断数据表是否已经读完,即遍历整张表
        If Adodc1.Recordset.Fields("用户名称") = Trim(UserName.Text) Then   'field就是某个字段
            finduser = True
            If Adodc1.Recordset.Fields("用户密码") = Trim(Password.Text) Then
                Me.Hide
                strUserName = Trim(UserName.Text)         '保存用户名称
                frmMain.Show
                Unload Me
            Else
                MsgBox "密码不正确，请重新输入！", vbOKOnly + vbExclamation, "警告"
                Password.SetFocus
                Password.Text = ""
            End If
        End If
        Adodc1.Recordset.MoveNext   '记录往下移动一条
    Loop
        If finduser = False Then
            MsgBox "没有这个用户，请重新输入！", vbOKOnly + vbExclamation, "警告"
            UserName.SetFocus
            UserName.Text = ""
        End If
End If
Exit Sub
errorhandle:
    MsgBox "您的操作有误！", vbOKOnly + vbExclamation, "错误"
End If
End Sub