<div class="form-group">
<div class="form-label">选择币种</div>
<div class="form-row form-coin-row flex-center">
<div class="flex_bd">
<input type="text" class="weui-input" id="coinVal" placeholder="" readonly="readonly" value="USDT">
</div>
<div class="iconfont icon-right"></div>
</div>
</div>
<div class="form-group">
<div class="form-label">传输网络</div>
<ul class="web-tags clearfix">
<li class="active"><a href="javascript:;">TRC20</a></li>
</ul>
</div>
<div class="form-group">
<div class="form-label">充值金额</div>
<div class="form-row">
<div class="flex_bd">
<input type="text" class="weui-input" placeholder="请输入">
</div>
</div>
</div>
$('#valPrice').val(($value * 5.6).toFixed(2))