Unity中Websocket的简单使用

Tomcat架设简单Websocket服务器
用的时候打开就行了,先不管它

Unity中新建场景
建UI(UGUI)
有一个连接按钮Button
一个信息输入框InputField
一个发送按钮Button
一个断开按钮Button
一个消息显示框Text

Unity中Websocket的简单使用_第1张图片

场景中建一个GameObject,在上面加个脚本,就叫WSMgr好了
用到了BestHTTP这个插件

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using BestHTTP;
using BestHTTP.WebSocket;
using System;
using BestHTTP.Examples;
using UnityEngine.UI;
using System.Text;

public class WSMgr : MonoBehaviour {

    //public string url = "ws://localhost:8080/web1/websocket";
    public string url = "ws://localhost:8080/web1/ws";
    public InputField msg;
    public Text console;

    private WebSocket webSocket;

    private void Start()
    {
        init();
    }

    private void init()
    {
        webSocket = new WebSocket(new Uri(url));
        webSocket.OnOpen += OnOpen;
        webSocket.OnMessage += OnMessageReceived;
        webSocket.OnError += OnError;
        webSocket.OnClosed += OnClosed;
    }

    private void antiInit()
    {
        webSocket.OnOpen = null;
        webSocket.OnMessage = null;
        webSocket.OnError = null;
        webSocket.OnClosed = null;
        webSocket = null;
    }

    private void setConsoleMsg(string msg)
    {
        console.text = "Message: " + msg;
    }

    public void Connect()
    {
        webSocket.Open();
    }

    private byte[] getBytes(string message)
    {

        byte[] buffer = Encoding.Default.GetBytes(message);
        return buffer;
    }

    public void Send()
    {
        webSocket.Send(msg.text);
    }

    public void Send(string str)
    {
        webSocket.Send(str);
    }

    public void Close()
    {
        webSocket.Close();
    }

    #region WebSocket Event Handlers

    /// 
    /// Called when the web socket is open, and we are ready to send and receive data
    /// 
    void OnOpen(WebSocket ws)
    {
        Debug.Log("connected");
        setConsoleMsg("Connected");
    }

    /// 
    /// Called when we received a text message from the server
    /// 
    void OnMessageReceived(WebSocket ws, string message)
    {
        Debug.Log(message);
        setConsoleMsg(message);
    }

    /// 
    /// Called when the web socket closed
    /// 
    void OnClosed(WebSocket ws, UInt16 code, string message)
    {
        Debug.Log(message);
        setConsoleMsg(message);
        antiInit();
        init();
    }

    private void OnDestroy()
    {
        if(webSocket!=null && webSocket.IsOpen)
        {
            webSocket.Close();
            antiInit();
        }
    }

    /// 
    /// Called when an error occured on client side
    /// 
    void OnError(WebSocket ws, Exception ex)
    {
        string errorMsg = string.Empty;
#if !UNITY_WEBGL || UNITY_EDITOR
        if (ws.InternalRequest.Response != null)
            errorMsg = string.Format("Status Code from Server: {0} and Message: {1}", ws.InternalRequest.Response.StatusCode, ws.InternalRequest.Response.Message);
#endif
        Debug.Log(errorMsg);
        setConsoleMsg(errorMsg);
        antiInit();
        init();
    }

    #endregion
}

Connect Send Close 三个方法对应的就是三个按钮的功能
OnOpen OnMessage OnError OnClose这四个一看就是Websocket的四个事件对应的方法

首先在Start方法中init()
点击Connect,连接

Unity中Websocket的简单使用_第2张图片


在输入框中输入,点击Send就发送

点击Close断开连接

Unity中Websocket的简单使用_第3张图片


底部的Text中会显示消息

同样,Tomcat服务端也有显示

Unity中Websocket的简单使用_第4张图片

发布WebGL测试可用

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