searchbar 搜索框,主要实现搜索框组件一些显隐逻辑
<div class="weui-search-bar" id="searchBar">
<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" placeholder="搜索" required="">
<a href="javascript:" class="weui-icon-clear"></a>
</div>
<label class="weui-search-bar__label">
<i class="weui-icon-search"></i>
<span>搜索</span>
</label>
</form>
<a href="javascript:" class="weui-search-bar__cancel-btn">取消</a>
</div>
weui.searchBar('#searchBar');