类的使用
okhttp3.WebSocketListener

okhttp3中WebSocketListener的使用

参数类型为WebSocketListener的okhttp3中的方法

限定符和类型	方法和说明
WebSocket	OkHttpClient.newWebSocket(Request request, WebSocketListener listener) Uses request to connect a new web socket.
WebSocket	WebSocket.Factory.newWebSocket(Request request, WebSocketListener listener) Creates a new web socket and immediately returns it.