//发送接口

void CmdHelper::postRequest(const char* cmdTag, const char* url, const char* postData, size_t postDataLengt)

{

    CCHttpRequest* request = new CCHttpRequest();

    request->setTag(cmdTag);

    request->setUrl(url);

    request->setResponseCallback(this, httpresponse_selector(CmdHelper::onRequestRsp));

    //set request type:    get/post/put/delete

    request->setRequestType(CCHttpRequest::kHttpPost);

    //set header

    std::vector<std::string> headers;

    headers.push_back("Content-Type: application/json; charset=utf-8");

    request->setHeaders(headers);

    //set body data, POST only

    request->setRequestData(postData, postDataLengt);

    //set time out

    CCHttpClient::getInstance()->setTimeoutForConnect(TIMEOUT_CONNECT);

    CCHttpClient::getInstance()->setTimeoutForRead(TIMEOUT_READ);

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

    // don't forget to release it, pair to new

    request->release();

}

#define CMD_DOWNLOAD "CMD_DOWNLOAD"

#define URL_DOWNLOAD "http://192.168.2.122:9001/star/downsolution"

std::string data = "";

//发送post请求时，调用如下接口即可

postRequest(CMD_DOWNLOAD, URL_DOWNLOAD, data.c_str(), data.length());

//接收回调

void CmdHelper::onRequestRsp(CCHttpClient* client, CCHttpResponse* response)

{

    if (!response)

    {

        CCLOG("ERROR: %s ---> null response", __FUNCTION__);

        return;

    }

    std::string tag = response->getHttpRequest()->getTag();

    int statusCode = response->getResponseCode();

    CCLOG("%s ---> response code: %d, tag = %s", __FUNCTION__, statusCode, tag.c_str());

    std::string dataBody;

    if (!response->isSucceed())

    {

        CCLOG("response failed");

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

        //this->setLastNetworkError(response->getErrorBuffer());

    }

    else

    {

        // dump data

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

        dataBody.assign(buffer->begin(), buffer->end());

        //CCLOG("%s", dataBody.c_str());

    }

    //dispatch

    if (CMD_DOWNLOAD == tag)

    {

        this->onDownloadTaskSolutionRsp(dataBody.c_str(), dataBody.size());

    }

    else

    {

        CCLOG("%s ---> error branch, cmd tag = %d", __FUNCTION__, tag.c_str());

    }

}