`searchBar`?搜索欄，類似于微信原生的搜索欄，應用于常見的搜索場景。
詳細的代碼結構如下：
~~~
<div class="weui-search-bar" id="search_bar">
<form class="weui-search-bar__form">
<div class="weui-search-bar__box">
<i class="weui-icon-search"></i>
<input type="search" class="weui-search-bar__input" id="search_input" placeholder="搜索" />
<a href="javascript:" class="weui-icon-clear" id="search_clear"></a>
</div>
<label for="search_input" class="weui-search-bar__label" id="search_text">
<i class="weui-icon-search"></i>
<span>搜索</span>
</label>
</form>
<a href="javascript:" class="weui-search-bar__cancel-btn" id="search_cancel">取消</a>
</div>
<div class="weui-cells weui-cells_access search_show" id="search_show">
<div class="weui-cell">
<div class="weui-cell__bd weui-cell_primary">
<p>實時搜索文本</p>
</div>
</div>
<div class="weui-cell">
<div class="weui-cell__bd weui-cell_primary">
<p>實時搜索文本</p>
</div>
</div>
<div class="weui-cell">
<div class="weui-cell__bd weui-cell_primary">
<p>實時搜索文本</p>
</div>
</div>
<div class="weui-cell">
<div class="weui-cell__bd weui-cell_primary">
<p>實時搜索文本</p>
</div>
</div>
</div>
~~~
