cocos2dx 3.x（加载cocostudio进度条）

 //
 //  MyLoagingScene.hpp
 //  My
 //
 //  Created by work on 16/10/13.
 //
 //

 #ifndef MyLoagingScene_hpp
 #define MyLoagingScene_hpp

 #include <stdio.h>
 #include "cocos2d.h"
 #include <editor-support/cocostudio/CocoStudio.h>
 #include "ui/cocosGUI.h"　　//加载视图框架

 class MyLoagingScene : public cocos2d::Layer
 {

 private:

     cocos2d::Node* m_loginNode;  //初始化当前场景的节点

     cocos2d::ui::LoadingBar * m_loadingBar; //声明进度条私有成员变量

     cocos2d::ui::TextAtlas* m_percent;  //声明艺术字私有成员变量

 public:
     static cocos2d::Scene* createScene();

     virtual bool init();

     void update(float dt);  //帧循环调用方法

     // implement the "static create()" method manually
     CREATE_FUNC(MyLoagingScene);
 };

 #endif /* MyLoagingScene_hpp */

 //
 //  MyLoagingScene.cpp
 //  My
 //
 //  Created by work on 16/10/13.
 //
 //

 #include "MyLoagingScene.hpp"
 #include "SimpleAudioEngine.h"
 #include "MyGameScene.hpp"
 USING_NS_CC;

 Scene* MyLoagingScene::createScene()
 {
     // 'scene' is an autorelease object
     auto scene = Scene::create();

     // 'layer' is an autorelease object
     auto layer = MyLoagingScene::create();

     // add layer as a child to scene
     scene->addChild(layer);

     // return the scene
     return scene;
 }

 bool MyLoagingScene::init()
 {
     //////////////////////////////
     // 1. super init first
     if ( !Layer::init() )
     {
         return false;
     }

     m_loginNode=CSLoader::createNode("MyLoagingScene.csb");
     this->addChild(m_loginNode);

     m_loadingBar=static_cast<cocos2d::ui::LoadingBar*>(m_loginNode->getChildByName("LoadingBar_1")); //获取cab里进度条
     m_percent = static_cast<cocos2d::ui::TextAtlas*>(m_loginNode->getChildByName("LB_loading")); // 获取cab 里的进度显示艺术字

 //    this-> schedule(schedule_selector(MyLoagingScene::update), 0.05);   // 自定义定时器，可自主设置时间拼了吧
     scheduleUpdate();   // 系统的定时器
     return true;
 }

 void MyLoagingScene::update(float dt){

     int num = m_loadingBar ->getPercent();//获取进度条的当前进度
     m_loadingBar->setPercent(++num); //使进度增加

 //    auto ns=__String::createWithFormat("%d",num);  //强转，将 int 类型转化为字符串String类型

 //    m_percent->setString(cocos2d::StringUtils::format("%d",(int)m_loadingBar->getPercent())); // 改变进度条上的艺术字

     m_percent->setString(cocos2d::StringUtils::format("%d%c",(int)m_loadingBar->getPercent(),''+));

     if(num >= ){
          //判断当前进度自动跳转
         Scene* gameScene = MyGameScene::createScene();
         Director::getInstance()->replaceScene(gameScene);

     }

 }