cocos2dx uiButton 的几种常用方式

 // Create the button
        Button* button = Button::create("cocosui/animationbuttonnormal.png", "cocosui/animationbuttonpressed.png");
        button->setPressedActionEnabled(true);
        button->setPosition(Point(widgetSize.width / 2.0f, widgetSize.height / 2.0f));
        button->addTouchEventListener(this, toucheventselector(UIButtonTest_PressedAction::touchEvent)); 
        
        
         Button* left_button = Button::create();
        left_button->loadTextures("Images/b1.png", "Images/b2.png", "");
        left_button->setPosition(Point(_layout->getSize().width / 2 - left_button->getSize().width,
                                     left_button->getSize().height));
        left_button->setTouchEnabled(true);
        left_button->addTouchEventListener(this, toucheventselector(UIScene_Editor::previousCallback));
        left_button->setLocalZOrder(_layout->getLocalZOrder() + 1);