等待研究

1.cocos2dx多线程

http://www.cocoachina.com/bbs/read.php?tid=110448

2.libcurl跨平台下载

http://curl.haxx.se/libcurl/c/curl_easy_setopt.html

http://www.cnblogs.com/moodlxs/archive/2012/10/15/2724318.html

3.ccsprite图片替换

CCSprite  *background=CCSprite::create("Default.png");

CCTexture2D *texture =CCTextureCache::sharedTextureCache()->addImage("Justme_logo.png");

background->setTexture(texture);