<div class="layui-form-item">
            <label class="layui-form-label"><span
                        style='color: red; font-weight: bold'>*</span>&nbsp;&nbsp;开放时间</label>
            <div class="layui-input-block" style="width: 300px">
                <input type="radio" name="openTime" value="0" lay-filter="testRadio" title="长期有效" checked>
                <input type="radio" name="openTime" value="1" lay-filter="testRadio" title="截止至">
                <input type="text" class="layui-input" id="op" name="op" style="display:none"
                       value="{{\Carbon\Carbon::now()->format('Y-m-d')}}">
            </div>
        </div>

       //单选
        form.on('radio(testRadio)', function (data) {
          console.log(data);
          if (data.value === '1') {
            $("#op").css("display", "block");
          } else {
            $("#op").css("display", "none");
          }
        });