#ifndef __Demo__Connection__
#define __Demo__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* m_pTexture;
};
#endif /* defined__Demo__Connection__*/
#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) != 0){
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 (0 != strlen(tag)) {
log("%s completed", response->getHttpRequest()->getTag());
}
if (!response->isSucceed()) {
log("error buffer: %s", response->getErrorBuffer()); return;
}
auto buffer = response->getResponseData(); //create image
auto image = new Image;
if (image->initWithImageData((unsigned char*)buffer->data(), buffer->size())) {
auto texture = new Texture2D();
if (texture->initWithImage(image)) {
//直接使用该纹理创建
m_pTexture = texture;
CCLOG("TextTure2D Init Start");
auto sprite = Sprite::createWithTexture(texture);
sprite->setPosition(getContentSize() / 2);
addChild(sprite);
CCLOG("TextTure2D Init Finished ");
//把该图片保存到本地
std::string backData = " ";
backData.append(buffer->begin(), buffer->end());
std::string strSavePath = FileUtils::getInstance()->getWritablePath() + StringUtils::format("NetPhoto.png");
FILE *fp = fopen(strSavePath.c_str(), "wb+");
fwrite(backData.c_str(), 1, backData.size(), fp);
fclose(fp);
}
texture->release();
}
image->release();
}
安卓环境需要添加相应权限：
android:name="android.permission.INERNET"/>