Unity WebSocket4Net

Il *_*eta 5 c# unity-game-engine websocket

如何通过WebSocket4Net dll将Unity客户端连接到php网络服务器?我试过这样的例子

using WebSocket4Net;

WebSocket websocket = new WebSocket("ws://localhost:2012/");
websocket.Opened += new EventHandler(websocket_Opened);
websocket.Error += new EventHandler<ErrorEventArgs>(websocket_Error);
websocket.Closed += new EventHandler(websocket_Closed);
websocket.MessageReceived += new EventHandler(websocket_MessageReceived);
websocket.Open();

private void websocket_Opened(object sender, EventArgs e)
{
 websocket.Send("Hello World!");
}
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但没有结果