<div class="row cl">    <label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>是否存在促銷活動：</label><div class="formControls col-xs-8 col-sm-9 skin-minimal"><div class="check-box"><input type="checkbox" value="1" id="isHaveActive" ><label for="isHaveActive"> </label></div></div></div>    <div id="active" name="active" style="display:none;">  <div class="row cl" ><label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>現價：</label><div class="formControls col-xs-8 col-sm-9"><input type="number" step="0.01" class="input-text" value="${priceChange.price}" placeholder="" id="price" name="price" >元/L</div></div>       <div class="row cl" ><label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>活動名：</label><div class="formControls col-xs-8 col-sm-9"><input type="text" class="input-text" value="${priceChange.active_name}" placeholder="" id="active_name" name="active_name" ></div></div>    <div class="row cl" ><label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>距掛牌價：</label><div class="formControls col-xs-8 col-sm-9"><input type="number" step="0.01" class="input-text" value="${priceChange.gap_guapai}" placeholder="" id="gap_guapai" name="gap_guapai" >元/L</div></div>        <div class="row cl" ><label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>促銷活動形式：</label><div class="formControls col-xs-8 col-sm-9"><input type="text" class="input-text" value="${priceChange.activity_form}" placeholder="" id="activity_form" name="activity_form" ></div></div>   <div class="row cl" ><label class="form-label col-xs-4 col-sm-3" style="width: 20%"><span class="c-red">*</span>促銷活動優惠幅度：</label><div class="formControls col-xs-8 col-sm-9"><input type="number" step="0.01" class="input-text" value="${priceChange.activity_gap}" placeholder="" id="activity_gap" name="activity_gap" >元/L</div></div>   </div>    

jQuery(document).ready(function($) {  //是否添加活動內容  $("#isHaveActive").change(function(){      var div = $("#active");     div.css("display") === "none" && div.show() || div.hide();   });