CCLabelTTF *label = CCLabelTTF::create("Start", "SimSun", 50);
CCMenuItemLabel *mil = CCMenuItemLabel::create(label, this, menu_selector(HelloWorld::click));
CCMenuItemImage *mil2 = CCMenuItemImage::create("start1.png", "start2.png");
CCMenu *menu = CCMenu::create(mil,mil2, NULL);
this->addChild(menu);
void HelloWorld::click(CCObject *sender){
CCDirector::sharedDirector()->replaceScene(HelloWorld::scene());
}