帧动画获取动画为空

auto action = dynamic_cast<ActionTimeline*>(node->getActionByTag(node->getTag()));
node->runAction(action);
action->gotoFrameAndPlay(1,3,true);
2.0.5版本,引擎是对应的。

你的node哪里来的?

我猜你需要先看看这篇
http://www.cocoachina.com/bbs/read.php?tid=274237

auto node=CSLoader::createNode("PlayerAction.csb");
    this->addChild(node); 
ActionTimeline *action = CSLoader::createTimeline("PlayerAction.csb"); 
 node->runAction(action);
 action->gotoFrameAndPlay(1,3,true);

崩在 ActionTimeline *action = CSLoader::createTimeline(“PlayerAction.csb”);