test.frm

TCP/IP考勤读卡器的VB例程

VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   2640
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   BeginProperty Font 
      Name            =   "宋体"
      Size            =   10.5
      Charset         =   134
      Weight          =   400
      Underline       =   0   'False
      Italic          =   0   'False
      Strikethrough   =   0   'False
   EndProperty
   LinkTopic       =   "Form1"
   ScaleHeight     =   2640
   ScaleWidth      =   4680
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text3 
      BeginProperty Font 
         Name            =   "System"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2040
      TabIndex        =   5
      Top             =   960
      Width           =   2175
   End
   Begin MSWinsockLib.Winsock Winsock1 
      Left            =   480
      Top             =   2040
      _ExtentX        =   741
      _ExtentY        =   741
      _Version        =   393216
      Protocol        =   1
   End
   Begin VB.CommandButton Command1 
      Caption         =   "退出"
      Height          =   375
      Left            =   3000
      TabIndex        =   4
      Top             =   2160
      Width           =   1215
   End
   Begin VB.TextBox Text2 
      BeginProperty Font 
         Name            =   "System"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2040
      TabIndex        =   3
      Top             =   1560
      Width           =   2175
   End
   Begin VB.TextBox Text1 
      BeginProperty Font 
         Name            =   "System"
         Size            =   12
         Charset         =   134
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   2040
      TabIndex        =   1
      Top             =   360
      Width           =   2175
   End
   Begin VB.Label Label3 
      Alignment       =   1  'Right Justify
      Caption         =   "IP地址:"
      Height          =   255
      Left            =   240
      TabIndex        =   6
      Top             =   1080
      Width           =   1335
   End
   Begin VB.Label Label2 
      Alignment       =   1  'Right Justify
      Caption         =   "卡号:"
      Height          =   255
      Left            =   360
      TabIndex        =   2
      Top             =   1680
      Width           =   1215
   End
   Begin VB.Label Label1 
      Alignment       =   1  'Right Justify
      Caption         =   "读卡器编号:"
      Height          =   255
      Left            =   360
      TabIndex        =   0
      Top             =   480
      Width           =   1215
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    End
End Sub

Private Sub Form_Load()
'初始化winsock控件
    Winsock1.Protocol = sckUDPProtocol
    Winsock1.RemotePort = 3000
    Winsock1.Bind 3001
End Sub

Private Sub Winsock1_DataArrival(ByVal bytesTotal As Long)
    Dim InData() As Byte
    Dim l As Long
'接收数据
    Winsock1.GetData InData
'判断是否是卡号数据包
    If InData(0) = 25 And InData(1) = 118 And InData(2) = 5 And InData(3) = 6 And InData(4) = 87 Then
'提取读卡器编号
        Text1.Text = Chr(InData(5)) + Chr(InData(6)) + Chr(InData(7)) + Chr(InData(8)) + Chr(InData(9)) + Chr(InData(10)) + Chr(InData(11)) + Chr(InData(12)) + Chr(InData(13)) + Chr(InData(14)) + Chr(InData(15)) + Chr(InData(16))
'得到卡号
        l = CLng(InData(18)) * 65536 + CLng(InData(19)) * 256 + CLng(InData(20))
        Text2.Text = Str(l)
'得到读卡器的IP地址
        Text3.Text = Winsock1.RemoteHostIP
'发送应答
        ReDim InData(0)
        InData(0) = 188
        Winsock1.SendData InData
    End If
End Sub