WingNotificationModule/Demo/websocketclient.dart

import 'dart:convert';
import 'dart:io';
import 'dart:typed_data';

Future<void> main(List<String> args) async {
  var connectUrl = args[0]; //'ws://127.0.0.1:8888?token=A8A8A8'
  WebSocket.connect(connectUrl).then((socket) {
    socket.listen((onData) {
      var typename = onData.runtimeType.toString();
      //print("typename$typename");
      var uint8Array = Uint8List.fromList(onData);
      //print("uint8Array:$onData");
      var byteData = uint8Array.buffer.asByteData();
      var messageType = byteData.getUint8(0);
      //print("messageType:$messageType");
      var notifyType = byteData.getUint8(1);
      //print("notifyType:$notifyType");
      var messageLength = byteData.getUint8(2);
      var byteDataLength = byteData.lengthInBytes;
      //print("bytelength:$byteDataLength,messagelength:$messageLength");
      var messageConentList =
          Uint8List.view(uint8Array.buffer, 6, messageLength);
      var messageConentLength = messageConentList.length;
      //print("messageConentLength:$messageConentLength");
      var messageConent = Uint8List.fromList(messageConentList);
      var messageText = Utf8Decoder().convert(messageConent);
      print(
          "【WebSocket】接收到消息 == > msgtype:$messageType, notifyType:$notifyType,lenght:$messageLength, content:$messageText");
    }, onError: (error) {
      print("【WebSocket】错误 == > $error");
    }, onDone: () {
      print("【WebSocket】结束链接");
    });
  });
}