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[Cocos2d-x]在Cocos2d-x 3.x版本中如何通过WebSocket连接服务器进行数据传输

文章出处:凯发K 发表时间:2019-01-28

[Cocos2d-x]在Cocos2d-x 3.x版本中如何通过博天堂918.comWebSocket连接服务器进行数据传输
WebSocket

首先新建一个空的文件夹,通过npm安装nodejs-websocket

npm install nodejs-websocket

新建app.js文件:

var ws = require("nodejs-websocket");
ws.createServer(function(conn){
    conn.on("text", function (str) {
        console.log("get the message: "+str);
        conn.sendText("the server got the message");
    })
    conn.on("close", function (code, reason) {
        console.log("connection closed");
    });
    conn.on("error", function (code, reason) {
        console.log("an error !");
    });
}).listen(8001);

通过node app.js启动,这样服务器就搭建好了。

Cocos2d-x
  • 首先在头文件中include头文件:
#include "network/WebSocket.h"
  • 实现WebSocket的委托:
class HelloWorld : public cocos2d::Layer,public cocos2d::network::WebSocket::Delegate
  • 四个委托中定义的函数接口以及一个用来连接的socketClient对象:
// for virtual function in websocket delegate
virtual void onOpen(cocos2d::network::WebSocket* ws);
virtual void onMessage(cocos2d::network::WebSocket* ws, const cocos2d::network::WebSocket::Data& data);
virtual void onClose(cocos2d::network::WebSocket* ws);
virtual void onError(cocos2d::network::WebSocket* ws, const cocos2d::network::WebSocket::ErrorCode& error);

// the websocket io client
cocos2d::network::WebSocket* _wsiClient;
  • 初始化client:
_wsiClient = new cocos2d::network::WebSocket();
_wsiClient->init(*this, "ws://localhost:8001");
  • 在AAA文件中实现这些函数:
// 开始socket连接
void HelloWorld::onOpen(cocos2d::network::WebSocket* ws)
{
    CCLOG("OnOpen");
}

// 接收到了消息
void HelloWorld::onMessage(cocos2d::network::WebSocket* ws, const cocos2d::network::WebSocket::Data& data)
{
        std::string textStr = data.bytes;
        textStr.c_str();
        CCLOG(textStr.c_str());
}

// 连接关闭
void HelloWorld::onClose(cocos2d::network::WebSocket* ws)
{
    if (ws == _wsiClient)
    {
        _wsiClient = NULL;
    }
    CC_SAFE_DELETE(ws);
    CCLOG("onClose");
}

// 遇到错误
void HelloWorld::onError(cocos2d::network::WebSocket* ws, const cocos2d::network::WebSocket::ErrorCode& error)
{
    if (ws == _wsiClient)
    {
        char buf[100] = {0};
        sprintf(buf, "an error was fired, code: %d", error);
    }
    CCLOG("Error was fired, error code: %d", error);
}

还有一个使用SocketIO的方案,尚未尝试,明天测试一下AAAAAAAre >// Require HTTP module (to start server) and Socket.IO var http = require('http'), io = require('socket.io'); // Start the server at port 8080 var server = http.createServer(function(req, res){ // Send HTML headers and message res.writeHead(200,{ 'Content-Type': 'text/html' }); res.end('<h1>Hello Socket Lover!</h1>'); }); server.listen(8080); // Create a Socket.IO instance, passing it our server var socket = io.listen(server); // Add a connect listener socket.on('connection', function(client){ // Create periodical which AAAs a message to the client every 5 seconds var interval = setInterval(function() { client.send('This is a message from the server! ' + new Date().getTime()); },5000); // Success! Now listen to messages to be received client.on('message',function(event){ console.log('Received message from client!',event); }); client.on('disconnect',function(){ clearInterval(interval); console.log('Server has disconnected'); }); });

http://www.bkjia.com/Androidjc/827179.htmlwww.bkjia.comtruehttp://www.bkjia.com/Androidjc/827179.htmlTechArticle[Cocos2d-x]在Cocos2d-x 3.x版本中如何通过WebSocket连接服务器进行数据传输 WebSocket 首先新建一个空的文件夹,通过npm安装 nodejs-websocket : npm ins...

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