Cocos2dx网络读取图片

//

//  Connection.h

//  XXDemo

//

//  Created by LeeHonGee on 14-9-4.

//

//

#ifndef __XXDemo__Connection__

#define __XXDemo__Connection__

#include <iostream>

#include "cocos2d.h"

#include "network/HttpClient.h"

USING_NS_CC;

using namespace std;

using namespace cocos2d::network;

class Connection{

public:

    void doHttpRequest(const char* url,const char* requestData,const char* tag,const ccHttpRequestCallback& callback);

   void onHttpRequestImageCompleted(HttpClient *sender, HttpResponse *response);

private:

    //获取请求网络图片资源

    Texture2D* texture;

};

#endif /* defined(__XXDemo__Connection__) */

//

//  Connection.cpp

//  XXXDemo

//

//  Created by LeeHonGee on 14-9-4.

//

//

#include "Connection.h"

/**

 编译到Android平台之后注意添加联网权限

 **/

void Connection::doHttpRequest(const char* url,const char* requestData,const char* tag,const ccHttpRequestCallback& callback){

    HttpRequest* request = new HttpRequest();

    request->setUrl(url);

    request->setRequestType(HttpRequest::Type::POST);

    //这是回调对象和回调函数

    request->setResponseCallback(callback);

    request->setTag(tag);

    //请求的数据

    if(strlen(requestData)!=){

        request->setRequestData(requestData,strlen(requestData));

    }

    HttpClient::getInstance()->send(request);

    //释放内存

    request->release();

   }

void Connection::onHttpRequestImageCompleted(HttpClient *sender, HttpResponse *response){

    if (!response)

    {

        return;

    }

    // You can get original request type from: response->request->reqType

    const char* tag  =  response->getHttpRequest()->getTag();

    if ( != strlen(tag))

    {

        log("%s completed", response->getHttpRequest()->getTag());

    }

    if (!response->isSucceed())

    {

        log("error buffer: %s", response->getErrorBuffer());

        return;

    }

    std::vector<char> *buffer = response->getResponseData();

    //create image

    Image* image = new Image;

    image->initWithImageData((unsigned char*)buffer->data(),buffer->size());

    //create texture

    texture = new Texture2D();

    bool isImage = texture->initWithImage(image);

    if(isImage){

        log("Texture2D 初始化!");

    }

    image->release();

}