我试图在vb.net NsqSharp中使用这个包,在C#中有一个很好的代码,但是在vb.net中我需要它。
我得到它是为了向我的NSQ服务器发送一条信息,但问题是如何得到它。但是我在consumer.AddHandler(New HandleMessage())上有一个错误,我不知道我是否声明了HandleMessage是对的。
Imports NsqSharp
Imports System.IO
Imports System.Text
Public Class Form1
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
Dim producer = New Producer("127.0.0.1:4150")
producer.Publish("test-topic-name", Me.txt_tx.Text)
producer.Stop()
End Sub
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
Dim consumer = New Consumer("test-topic-name", "channel-name")
consumer.AddHandler(New HandleMessage())
consumer.ConnectToNsqLookupd("127.0.0.1:4161")
consumer.Stop()
End Sub
Public Interface IHandler : End Interface
Public Sub HandleMessage(message As Message)
Dim msg As String = Encoding.UTF8.GetString(message.Body)
MsgBox(msg)
End Sub
Public Sub LogFailedMessage(message As Message)
Dim msg As String = Encoding.UTF8.GetString(message.Body)
MsgBox(msg)
End Sub
End Class发布于 2015-08-08 10:49:52
但是我在实现IHandler时出错了
对问题的可爱描述,当您没有描述您所看到的确切的错误消息时,您就无法得到有用的答案。您确实写错了代码,VB.NET需要接口方法实现上的Implements关键字。通常,通过让IDE为您生成这些方法,您会陷入成功的泥潭。一旦输入"Implements“并按Enter键,IDE就会自动添加这些方法。
因此,库引用可能也有问题。步骤一步一步:
Imports NsqSharp放在源文件的顶部。您现在应该以以下内容结束:
Public Class MessageHandler
Implements IHandler
Private Sub IHandler_HandleMessage(message As Message) Implements IHandler.HandleMessage
Dim msg As String = Encoding.UTF8.GetString(message.Body)
MessageBox.Show(msg)
End Sub
Private Sub IHandler_LogFailedMessage(message As Message) Implements IHandler.LogFailedMessage
Dim msg As String = Encoding.UTF8.GetString(message.Body)
MessageBox.Show(msg)
End Sub
End Classhttps://stackoverflow.com/questions/31793842
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