opied to clipboard</span></div></span></div></div></div>
  </div>
<a data-name="-865534471%2FFunctions%2F-900954490" anchor-label="getItemId" id="-865534471%2FFunctions%2F-900954490" data-filterable-set=":brv:dokkaHtml/release"></a><div class="brief "><a data-name="-865534471%2FFunctions%2F-900954490" anchor-label="getItemId" id="-865534471%2FFunctions%2F-900954490" data-filterable-set=":brv:dokkaHtml/release"></a>每个item数据模型都要实现本方法返回唯一ID 请勿返回列表位置position</di