form1.frm

车票信息系统用于vb课程设计是初级软件

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "登录"
   ClientHeight    =   5175
   ClientLeft      =   60
   ClientTop       =   420
   ClientWidth     =   6795
   LinkTopic       =   "Form1"
   Picture         =   "Form1.frx":0000
   ScaleHeight     =   5175
   ScaleWidth      =   6795
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text4 
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      IMEMode         =   3  'DISABLE
      Left            =   2640
      PasswordChar    =   "*"
      TabIndex        =   9
      Top             =   3120
      Width           =   2535
   End
   Begin VB.TextBox Text3 
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2640
      TabIndex        =   8
      Top             =   2160
      Width           =   2535
   End
   Begin VB.TextBox Text2 
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2640
      TabIndex        =   7
      Top             =   1320
      Width           =   2535
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   15.75
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   2640
      TabIndex        =   6
      Top             =   480
      Width           =   2535
   End
   Begin VB.CommandButton Command2 
      Caption         =   "退出"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   4560
      TabIndex        =   1
      Top             =   4320
      Width           =   1095
   End
   Begin VB.CommandButton Command1 
      Caption         =   "登录"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1800
      TabIndex        =   0
      Top             =   4320
      Width           =   1095
   End
   Begin VB.Label Label4 
      BackStyle       =   0  'Transparent
      Caption         =   "密码"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1560
      TabIndex        =   5
      Top             =   3120
      Width           =   975
   End
   Begin VB.Label Label3 
      BackStyle       =   0  'Transparent
      Caption         =   "用户名"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1440
      TabIndex        =   4
      Top             =   2160
      Width           =   1215
   End
   Begin VB.Label Label2 
      BackStyle       =   0  'Transparent
      Caption         =   "数据库"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1440
      TabIndex        =   3
      Top             =   1320
      Width           =   1215
   End
   Begin VB.Label Label1 
      BackStyle       =   0  'Transparent
      Caption         =   "服务器"
      BeginProperty Font 
         Name            =   "楷体_GB2312"
         Size            =   18
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   1440
      TabIndex        =   2
      Top             =   600
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim cnn As ADODB.Connection '定义connection对象
'Dim cnnstr As String

Private Sub Command1_Click()
 'On Error GoTo msg '若程序出错则转到msg处执行
 Set cnn = New ADODB.Connection
 '构造连接串, 连接SQL SERVER时 方法1(采用SQL SERVER登录方式，城需要SQL SERVER的登录名和密码)：
 'myApp.cnnstr = "Provider=SQLOLEDB.1;Password=" & Text4.Text _
 '               & ";User ID=" & Text3.Text & ";Initial Catalog=" _
 '               & Text2.Text & ";Data Source= " & Text1.Text
  '构造连接串, 连接SQL SERVER时 方法2：
  '(采用windows登录方式，SQL SERVER与本程序位于同一台机上时适用，不需SQL 登录名和密码)
'myApp.cnnstr = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Initial Catalog=" _
'  假设数据文件存在在本程序目录中              & Text2.Text & ";Data Source= " & Text1.Text
   '''以下为连接access数据库时连接串的写法
  ',且文件名为salesdb.mdb
  Dim strdatabase As String
  strdatabase = "Data Source=" & App.Path & "\db1.mdb"
  '构造连接串
  
 myApp.cnnstr = "Provider=Microsoft.Jet.OLEDB.4.0;Persist Security Info=False;" & strdatabase
  cnn.Open myApp.cnnstr '连接服务器
 
 主窗体.Show '显示主窗体
  Unload Me '缷载本窗体
 ' MsgBox "ok", , "成功"
  Exit Sub
msg:
  MsgBox "登录服务器失败", , "错误"
End Sub


Private Sub Command2_Click()
End
End Sub

Private Sub Form_Load()
  '赋值
  Text1.Text = "(local)"
  Text2.Text = "db1"
  Text3.Text = "user"
  Text4.Text = "user"
End Sub