需求：
前端使用cocos creater ts开发，websocket连接后端出现onopen不回调，关闭时要回调onclose
如下代码为前端代码：
import { Component, Node, log } from 'cc';
import EventMgr from "../EventMgr";

var State = {
Disconnected: 0, // 断开连接
Connecting: 1, // 正在连接
Connected: 2, // 已经连接;
};


export default class NetMgr extends Component {
public static Instance: NetMgr = null as unknown as NetMgr;

private url: string = null as unknown as string;
private state: number = State.Disconnected;
private sock: WebSocket|null = null as unknown as WebSocket;

onLoad() {
if (NetMgr.Instance === null) {
NetMgr.Instance = this;
}
else {
this.destroy();
return;
}

this.state = State.Disconnected;
}
......

人才：
要求熟悉netty和cocos creater

参考：
辅助解决bug
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