播放plist动画简便方法

播放plist：

Sprite　　* pGoldEffect = Sprite::create();
pGoldIcon->addChild( pGoldEffect, 1 );
pGoldEffect->setAnchorPoint( Point( 0, 0 ) );
SpriteFrameCache::sharedSpriteFrameCache()->addSpriteFramesWithFile( "effect/eff_gold.plist" );
pGoldEffect->runAction( CCRepeatForever::create( CCSequence::create( getAnimate( "eff_gold%d.png", 6, 0.15f ), NULL ) ) );