``` <?php //缓存时间,单位秒 $duration=15; //缓存依赖 $dependency=[ 'class'=>'yii\caching\FileDependency', 'fileName'=>'test.txt' ]; //缓存开关 //$enabled=false; $enabled=true; ?> <?php //if($this->beginCache('cache_div',['duration'=>$duration])){?> <?php //if($this->beginCache('cache_div',['dependency'=>$dependency])){?> <!--多个依赖,只需满足一个依赖,缓存就会改变--> <?php //if($this->beginCache('cache_div',['duration'=>$duration,'dependency'=>$dependency])){?> <?php if($this->beginCache('cache_div',['enabled'=>$enabled])){?> <div id="cache_div"> <h1>这里会被缓存558888</h1> </div> <?php $this->endCache(); }?> <div id="no_cache_div"> <h1>这里不会被缓存111</h1> </div> ```