lass="identifier">customData</span></a>:<span class="type">Dynamic</span></code></h3><div class="doc"><p>自定义数据，默认为null，可以作为扩展数据使用</p></div></div><div class="field "><a name="hAlign"></a><h3 class="anchor"><code><span class="label label-meta label-meta-keep" title="Causes a field or type to be kept by DCE.">@:keep</span><a href="#hAlign"><span class="identifier">hAlign</span></a>:<span class="type">String</span></code></h3><div class="doc"><p>横向对齐实现</p></di