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Cocos2d-3.x_保存数据和读取数据,
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#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());
}
原文链接:https://www.f2er.com/cocos2dx/343478.html