1. 获取选中的radio的值:
<div class="col-md-2 radio">
<label><input type="radio" name="AMorPM" id="AM" value="AM" checked>AM</label>
<label><input type="radio" name="AMorPM" id="PM" value="PM">PM</label>
</div>
JS代码:
var flag = $('input[name="AMorPM"]:checked').val();