1.希望标签占一行，输入框换行
<div data-role="fieldcontain">
<legend>我是标签：</legend>
<input type="number" name="amount" id="amount" value="0.1">
</div>2.希望标签跟输入框在一行
<div data-role="fieldcontain">
<label for="amount">我是标签：</label>
<input type="number" name="amount" id="amount" value="0.1">
</div>