form1.frm

我做的专家诊断系统 数据库不是很全你们可以自己添加 数据库资源很好用很简单

VERSION 5.00
Object = "{67397AA1-7FB1-11D0-B148-00A0C922E820}#6.0#0"; "MSADODC.OCX"
Begin VB.Form 登陆 
   BackColor       =   &H00FF8080&
   BorderStyle     =   3  'Fixed Dialog
   Caption         =   "Form1"
   ClientHeight    =   2610
   ClientLeft      =   45
   ClientTop       =   435
   ClientWidth     =   4815
   Icon            =   "Form1.frx":0000
   LinkTopic       =   "Form1"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   2610
   ScaleWidth      =   4815
   ShowInTaskbar   =   0   'False
   StartUpPosition =   2  '屏幕中心
   Begin VB.CommandButton Command2 
      BackColor       =   &H00C0FFC0&
      Caption         =   "取消"
      Height          =   375
      Left            =   2280
      Style           =   1  'Graphical
      TabIndex        =   5
      Top             =   1680
      UseMaskColor    =   -1  'True
      Width           =   1215
   End
   Begin MSAdodcLib.Adodc Adodc1 
      Height          =   375
      Left            =   4320
      Top             =   3840
      Visible         =   0   'False
      Width           =   1575
      _ExtentX        =   2778
      _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=D:\study and work\works\duoduo电脑医生\工程\data.mdb;Persist Security Info=False"
      OLEDBString     =   "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:\study and work\works\duoduo电脑医生\工程\data.mdb;Persist Security Info=False"
      OLEDBFile       =   ""
      DataSourceName  =   ""
      OtherAttributes =   ""
      UserName        =   ""
      Password        =   ""
      RecordSource    =   "系统"
      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 Command1 
      BackColor       =   &H00C0FFC0&
      Caption         =   "登陆"
      Height          =   375
      Left            =   480
      Style           =   1  'Graphical
      TabIndex        =   4
      Top             =   1680
      UseMaskColor    =   -1  'True
      Width           =   1215
   End
   Begin VB.TextBox Text2 
      Height          =   375
      IMEMode         =   3  'DISABLE
      Left            =   1320
      PasswordChar    =   "*"
      TabIndex        =   3
      Text            =   "Text2"
      Top             =   960
      Width           =   2055
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   1320
      TabIndex        =   2
      Text            =   "Text1"
      Top             =   120
      Width           =   2055
   End
   Begin VB.Label Label2 
      BackColor       =   &H00FF8080&
      Caption         =   "密码"
      BeginProperty Font 
         Name            =   "幼圆"
         Size            =   10.5
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   480
      TabIndex        =   1
      Top             =   960
      Width           =   1095
   End
   Begin VB.Label Label1 
      BackColor       =   &H00FF8080&
      Caption         =   "账号"
      BeginProperty Font 
         Name            =   "幼圆"
         Size            =   10.5
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   495
      Left            =   480
      TabIndex        =   0
      Top             =   120
      Width           =   1095
   End
End
Attribute VB_Name = "登陆"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
Dim samp1, samp2 As Boolean

Adodc1.Recordset.MoveFirst
'验证是否输入合法
If Text1 = "" Then
MsgBox "对不起，请输入帐号！", vbInformation, "消息提示"
Exit Sub
End If
If Text2 = "" Then
MsgBox "对不起,请输入密码!", vbInformation, "消息提示"
Exit Sub
End If

'数据库信息核对
Adodc1.RecordSource = "select * from 系统"
For i = 1 To Adodc1.Recordset.RecordCount
   If Adodc1.Recordset.Fields("user") = Text1.Text Then
      samp1 = True
      If Adodc1.Recordset.Fields("psw") = Text2.Text Then
      samp2 = True
      End If
   Else:
   Adodc1.Recordset.MoveNext
   End If
Next i
If samp1 = False Then
   MsgBox "没有这个帐号!请重新输入", vbExclamation, "消息提示"
Else
   If samp2 = False Then
      MsgBox "密码错误，请重新输入", vbCritical, "消息提示"
      Exit Sub
   End If
End If
If samp2 = True Then
选择.Show
Unload Me
End If
End Sub

Private Sub Command2_Click()
Unload Me
End Sub

Private Sub Form_Load()
Adodc1.RecordSource = "系统"
Adodc1.Refresh
Text1 = ""
Text2 = ""
End Sub