Cocos2d-3.x_保存数据和读取数据

来源：互联网发布：平时穿冲锋衣知乎编辑：程序博客网时间：2024/05/17 23:27

#ifndef __HELLOWORLD_SCENE_H__#define __HELLOWORLD_SCENE_H__#include "cocos2d.h"USING_NS_CC;class HelloWorld : public cocos2d::Layer{public:    static cocos2d::Scene* createScene();    virtual bool init();// 使用Cocos封装好的API进行写入void saveDataByCocosAPI();// 使用Cocos封装好的API进行读取void readDataByCocosAPI();// 使用自定义的API进行写入void saveDataByCustomAPI();// 使用自定义的API进行读取void readDataByCustomAPI();    CREATE_FUNC(HelloWorld);};#endif // __HELLOWORLD_SCENE_H__

#include "HelloWorldScene.h"Scene* HelloWorld::createScene(){    auto scene = Scene::create();    auto layer = HelloWorld::create();    scene->addChild(layer);    return scene;}bool HelloWorld::init(){    if ( !Layer::init() )    {        return false;    }        Size visibleSize = Director::getInstance()->getVisibleSize();    Vec2 origin = Director::getInstance()->getVisibleOrigin();auto sprite = Sprite::create("HelloWorld.png");sprite->setPosition(Vec2(visibleSize.width / 2 + origin.x, visibleSize.height / 2 + origin.y));this->addChild(sprite, 0);this->saveDataByCocosAPI();this->readDataByCocosAPI();this->saveDataByCustomAPI();this->readDataByCustomAPI();    return true;}void HelloWorld::saveDataByCocosAPI(){UserDefault::getInstance()->setBoolForKey("bool", false);UserDefault::getInstance()->setDoubleForKey("double", 1.00f);UserDefault::getInstance()->setFloatForKey("float", 1.0f);UserDefault::getInstance()->setIntegerForKey("integer", 100);UserDefault::getInstance()->setStringForKey("string", "Hello");UserDefault::getInstance()->flush();}void HelloWorld::readDataByCocosAPI(){bool iBool = UserDefault::getInstance()->getBoolForKey("bool", false);double iDouble = UserDefault::getInstance()->getDoubleForKey("double", 0.00f);float iFloat = UserDefault::getInstance()->getFloatForKey("float", 0.0f);int iInteger =  UserDefault::getInstance()->getIntegerForKey("integer", 0);std::string iString = UserDefault::getInstance()->getStringForKey("string", "");log("iBool:%d, iDouble:%f, iFloat:%f, iInteger:%d, iString:%s", iBool, iDouble, iFloat, iInteger, iString.c_str());}void HelloWorld::saveDataByCustomAPI(){log("%s", FileUtils::getInstance()->getWritablePath().c_str());auto fileUtils = FileUtils::getInstance();FILE *fp = fopen(fileUtils->fullPathFromRelativeFile("data.txt", fileUtils->getWritablePath()).c_str(), "w");fprintf(fp, "Hello World\n");fclose(fp);}void HelloWorld::readDataByCustomAPI(){auto fileUtils = FileUtils::getInstance();std::string str = fileUtils->getStringFromFile(fileUtils->fullPathFromRelativeFile("data.txt", fileUtils->getWritablePath()));log("str:%s", str.c_str());}

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