// 创建一个按钮     auto btn_img_1 = Scale9Sprite::create("res/button.png");  btn_img_1->setContentSize(Size(76,33));// 按钮文本 btn_text  LabelcreateWithTTF"按钮" "fonts/Marker Felt.ttf" 24// 按钮 button  ControlButton(btn_textbtn_img_1  buttonsetPosition(Point400300thisaddChildbutton);