<input type="radio" value="0" name="status" checked="checked">好评 <input type="radio" value="1" name="status">差评
$('input:radio[name="status"]:checked').val()
<input type="radio" value="0" name="status" checked="checked">好评 <input type="radio" value="1" name="status">差评
$('input:radio[name="status"]:checked').val()