login.frm

本套软件适用于手机等用户、培训机构等单位的教学管理软件。

VERSION 5.00
Begin VB.Form Login 
   Caption         =   "用户登录"
   ClientHeight    =   3990
   ClientLeft      =   5640
   ClientTop       =   2640
   ClientWidth     =   4665
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   ScaleHeight     =   3990
   ScaleWidth      =   4665
   Tag             =   "Main"
   Begin VB.CommandButton Command2 
      Cancel          =   -1  'True
      Caption         =   "取消"
      Height          =   375
      Left            =   2400
      TabIndex        =   6
      Top             =   2640
      Width           =   1455
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      Default         =   -1  'True
      Height          =   375
      Left            =   600
      TabIndex        =   5
      Top             =   2640
      Width           =   1455
   End
   Begin VB.TextBox txtPwd 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1800
      PasswordChar    =   "*"
      TabIndex        =   4
      Top             =   1920
      Width           =   1335
   End
   Begin VB.TextBox txtUser 
      Height          =   375
      Left            =   1800
      TabIndex        =   3
      Top             =   1320
      Width           =   1335
   End
   Begin VB.Label Label4 
      Caption         =   "版权所有(c)2007 华北水利水电学院信息工程学院"
      Height          =   375
      Left            =   360
      TabIndex        =   7
      Top             =   3480
      Width           =   4095
   End
   Begin VB.Label Label3 
      Caption         =   "密  码："
      Height          =   255
      Left            =   960
      TabIndex        =   2
      Top             =   2040
      Width           =   855
   End
   Begin VB.Label Label2 
      Caption         =   "用户名："
      Height          =   375
      Left            =   960
      TabIndex        =   1
      Top             =   1440
      Width           =   855
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Center
      Caption         =   "个人通讯录"
      BeginProperty Font 
         Name            =   "华文彩云"
         Size            =   26.25
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   -1  'True
         Strikethrough   =   0   'False
      EndProperty
      Height          =   735
      Left            =   120
      TabIndex        =   0
      Top             =   360
      Width           =   4215
   End
End
Attribute VB_Name = "Login"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim conn As New ADODB.Connection
Dim rs As New ADODB.Recordset
Dim strSQL As String
Dim ConnString As String
Private Sub Command1_Click()

If txtUser.Text = "" Then
MsgBox "请输入用户名", vbOKOnly, "Login"
txtUser.SetFocus
ElseIf txtPwd.Text = "" Then
MsgBox "请输入密码", vbOKOnly, "Login"
txtPwd.SetFocus

Else
'链接数据库
conn.Open ConnString
strSQL = "select * from Users where User_Name='" + txtUser.Text + "'"
strSQL = strSQL + "and User_ID='" + txtPwd.Text + "'"
rs.Open strSQL, conn

If rs.EOF Then
MsgBox "用户名或密码错误！", vbOKOnly + vbExclamation, "Login"
txtUser.SetFocus
txtUser.SelStart = 0
txtUser.SelLength = Len(txtUser.Text)
Else
Session_Name = txtUser.Text
MsgBox "登录成功！", vbOKOnly + vbExclamation, "Login"
Unload Login
MainInfo.Show
End If
rs.Close
conn.Close
Set rs = Nothing
Set conn = Nothing

End If
End Sub

Private Sub Command2_Click()
End
End Sub

Private Sub Form_Load()
'ConnString = "Provider=MSDASQL.1;Persist Security Info=False;Data Source=BookManage"
ConnString = "Provider=SQLOLEDB.1;Persist Security Info=False;Data Source=.;Initial Catalog=txlxt;User ID=sa;Password="
Set conn = New ADODB.Connection
Set rs = New ADODB.Recordset

End Sub