HelloWorldScene.h

#ifndef __HELLOWORLD_SCENE_H__
#define __HELLOWORLD_SCENE_H__

#include "cocos2d.h"
#include "network\HttpClient.h"
#include "cocos-ext.h"

class HelloWorld : public cocos2d::Layer
{
public:
    // there's no 'id' in cpp, so we recommend returning the class instance pointer
    static cocos2d::Scene* createScene();

    // Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
    virtual bool init();
    
    // a selector callback
    void menuCloseCallback(cocos2d::Ref* pSender);
    
    // implement the "static create()" method manually
    CREATE_FUNC(HelloWorld);

	void onHttpRequestComplete(cocos2d::network::HttpClient *pSender, cocos2d::network::HttpResponse *pResponse);
	void onHttpPostComplete(cocos2d::network::HttpClient *pSender, cocos2d::network::HttpResponse *pResponse);
};

#endif // __HELLOWORLD_SCENE_H__

#include "HelloWorldScene.h"
USING_NS_CC;
using namespace network;

Scene* HelloWorld::createScene()
{
    // 'scene' is an autorelease object
    auto scene = Scene::create();
    
    // 'layer' is an autorelease object
    auto layer = HelloWorld::create();

    // add layer as a child to scene
    scene->addChild(layer);

    // return the scene
    return scene;
}

// on "init" you need to initialize your instance
bool HelloWorld::init()
{
    //////////////////////////////
    // 1. super init first
    if ( !Layer::init() )
    {
        return false;
    }
    
    Size visibleSize = Director::getInstance()->getVisibleSize();
    Vec2 origin = Director::getInstance()->getVisibleOrigin();

    /////////////////////////////
    // 2. add a menu item with "X" image, which is clicked to quit the program
    //    you may modify it.

    // add a "close" icon to exit the progress. it's an autorelease object
    auto closeItem = MenuItemImage::create(
                                           "CloseNormal.png",
                                           "CloseSelected.png",
                                           CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
	   /*auto closeItem = MenuItemImage::create(
                                           "CloseNormal.png",
                                           "CloseSelected.png",
										   [](Object *sender)
	   {
		    #if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
				MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert");
				return;
			#endif

				Director::getInstance()->end();

			#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
				exit(0);
			#endif
	   });*/
    
	closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
                                origin.y + closeItem->getContentSize().height/2));

    // create menu, it's an autorelease object
    auto menu = Menu::create(closeItem, NULL);
    menu->setPosition(Vec2::ZERO);
    this->addChild(menu, 1);

    /////////////////////////////
    // 3. add your codes below...

    // add a label shows "Hello World"
    // create and initialize a label
    
    auto label = Label::createWithTTF("Hello World", "fonts/Marker Felt.ttf", 24);
    
    // position the label on the center of the screen
    label->setPosition(Vec2(origin.x + visibleSize.width/2,
                            origin.y + visibleSize.height - label->getContentSize().height));

    // add the label as a child to this layer
    this->addChild(label, 1);

    // add "HelloWorld" splash screen"
    auto sprite = Sprite::create("HelloWorld.png");

    // position the sprite on the center of the screen
    sprite->setPosition(Vec2(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));

    // add the sprite as a child to this layer
    this->addChild(sprite, 0);

    
    return true;
}


void HelloWorld::menuCloseCallback(Ref* pSender)
{
//#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
//	MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.","Alert");
//    return;
//#endif
//
//    Director::getInstance()->end();
//
//#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
//    exit(0);
//#endif

	HttpRequest *request = new HttpRequest;
	request->setUrl("http://127.0.0.1/test2.php");
	request->setRequestType(HttpRequest::Type::GET);
	request->setResponseCallback(this, httpresponse_selector(HelloWorld::onHttpRequestComplete));
	request->setTag("GET1");
	HttpClient::getInstance()->send(request);
	request->release();

	//HttpRequest* request = new HttpRequest();  
 //   request->setUrl("http://127.0.0.1/test.php");  
 //   request->setRequestType(HttpRequest::Type::POST);  
 //   request->setResponseCallback(this, httpresponse_selector(HelloWorld::onHttpPostComplete));  
      
      
   //const  char* postData = "username=zwcwu&password=123456";  
   // request->setRequestData(postData,strlen(postData) );  
   //   
   //   
   // request->setTag("POST1");  
   // HttpClient::getInstance()->send(request);  
   // request->release();
}

void HelloWorld::onHttpRequestComplete(cocos2d::network::HttpClient *pSender, cocos2d::network::HttpResponse *pResponse)
{
	if(!pResponse)
	{
		log("response is null", pResponse);
		return;
	}
	if(!pResponse->isSucceed())
	{
		log("response failed, %s", pResponse->getErrorBuffer());
		return;
	}

	long statusCode = pResponse->getResponseCode();
	log("responseCode:%ld", statusCode);

	std::vector<char> *buffer = pResponse->getResponseData();
	std::string buf(buffer->begin(), buffer->end());
	log("get requestData:%d,%s", buf.length(), buf.c_str());
}

void HelloWorld::onHttpPostComplete(cocos2d::network::HttpClient *pSender, cocos2d::network::HttpResponse *pResponse)
{
	if(!pResponse)
	{
		log("response is null", pResponse);
		return;
	}
	if(!pResponse->isSucceed())
	{
		log("response failed, %s", pResponse->getErrorBuffer());
		return;
	}

	long statusCode = pResponse->getResponseCode();
	log("responseCode:%ld", statusCode);

	std::vector<char> *buffer = pResponse->getResponseData();
	std::string buf(buffer->begin(), buffer->end());
	log("get requestData:%s", buf.c_str());
}

 <html>
      <body>
          <?php  
        
         if(isset($_POST["username"]) && isset($_POST["password"]))  
         {  
			 echo $_POST["username"];
             if($_POST["username"]=="zwcwu" && $_POST["password"]=="123456")  
             {  
                 echo "Login Success"; //return to client  
             }  
             else  
             {  
				echo "Login Failed"; //return to client  
             }  
         }  
         else  
         {  
             echo "No Username or Password"; //return to client  
         }  
         ?>
      </body>
    </html>

<?php
	echo "WC"
?>

cocos2d-x3.0之请求网络(php服务器)