博客园  :: 首页  :: 新随笔  :: 联系 :: 订阅 订阅  :: 管理

Cocos2d-x下HTTP网络通讯

Posted on 2013-11-01 15:04  哇啦哇啦嘿  阅读(703)  评论(0)    收藏  举报

引入头文件：

1 #include "cocos-ext.h"

添加下载按钮：

 1     CCMenuItemImage *pCloseItem = CCMenuItemImage::create(
 2                                         "exit.png",
 3                                         "exit.png",
 4                                         this,
 5                                         menu_selector(HelloWorld::menuCloseCallback));
 6     
 7     pCloseItem->setPosition(ccp(origin.x + visibleSize.width - pCloseItem->getContentSize().width/2 ,
 8                                 origin.y + pCloseItem->getContentSize().height/2));
 9 
10     // create menu, it's an autorelease object
11     CCMenu* pMenu = CCMenu::create(pCloseItem, NULL);
12     pMenu->setPosition(CCPointZero);
13     this->addChild(pMenu, 1);

添加回调函数：

 1 void HelloWorld::menuCloseCallback(CCObject* pSender)
 2 {
 3     std::vector<std::string> headers;
 4     headers.push_back("Content-Type: application/json; charset=utf-8");
 5     // post data
 6     const char* postData = "id=1&name=oka";
 7     unsigned int postDataLen = strlen(postData);
 8 
 9     CCHttpRequest* request = new CCHttpRequest();
10     request->setUrl("http://127.0.0.1/test.php");
11     request->setRequestType(CCHttpRequest::kHttpPost);
12     request->setResponseCallback(this, httpresponse_selector(HelloWorld::onHttpRequestCompleted));
13     request->setRequestData(postData, postDataLen);
14     request->setTag("GET test");
15     request->setHeaders(headers);
16     CCHttpClient::getInstance()->setTimeoutForConnect(3000);
17     CCHttpClient::getInstance()->send(request);
18     request->release();
19 
20 }

按钮的回调函数里向服务器发起http请求了，request->setResponseCallback(this, httpresponse_selector(HelloWorld::onHttpRequestCompleted))一行代码，向请求结束时添加了onHttpRequestCompleted回调函数

处理网络请求的回调函数：

 1 void HelloWorld::onHttpRequestCompleted(cocos2d::CCNode *sender ,void *data)
 2 {
 3     CCHttpResponse* response = (CCHttpResponse*)data;
 4     if(!response)
 5     {
 6         return;
 7     }
 8 
 9     if(0 != strlen(response->getHttpRequest()->getTag()))
10     {
11         CCLog("%s completed", response->getHttpRequest()->getTag());
12     }
13 
14     int statusCode = response->getResponseCode();
15     CCLog("Status Code: %d", statusCode);
16     if(!response->isSucceed())
17     {
18         CCLog("response failed, error buffer: %s", response->getErrorBuffer());
19         return;
20     }
21 
22     std::vector<char> *buffer = response->getResponseData();
23     std::string temp(buffer->begin(), buffer->end());
24     CCString* responseData = CCString::create(temp);
25     CCLog("%s", responseData->getCString());
26 }

执行后Log输出框中就可以看到请求结果了。

记得把request->setUrl("http://127.0.0.1/test.php");替换成测试的URL地址。