vb winsock 特殊字符接收和发送报文

用特殊字符作界定字符串，然后通过正则表达式将数据写入或者读取，这样可以方便客户端和服务器间通信
Dim MaxIndex As Integer

Private Sub Form_Load()
    wskServer(0).Listen
End Sub

Private Sub wskServer_ConnectionRequest(Index As Integer, ByVal requestID As Long)
    MaxIndex = MaxIndex + 1
    Load wskServer(MaxIndex)
    wskServer(MaxIndex).Accept requestID
    wskServer(MaxIndex).SendData SetData(0, "hello")
End Sub

Public Function SetData(ByVal TypeId As Integer, ByVal Value As String)
SetData = "<T>" & TypeId & "</T><D>" & Value & "</D>"
End Function

Public Function GetData(ByVal s As String)
    Dim re As Object
    Set re = CreateObject("VBScript.RegExp")
    re.IgnoreCase = True
    re.Global = True
    re.Pattern = "<T>(.*?)</T><D>(.*?)</D>"
    Dim col As New Collection
    For Each obj In re.Execute(s)
    col.Add Array(obj.SubMatches(0), obj.SubMatches(1))
    Next
    Set GetData = col
End Function

Private Sub wskServer_DataArrival(Index As Integer, ByVal bytesTotal As Long)
    Dim s As String
    wskServer(Index).GetData s
    Set col = GetData(s)
    For i = 1 To col.Count
    Text1.Text = Text1.Text & col(i)(1) & vbCrLf
    Next i
End Sub