下列代码是ICoupons所显示的值。 想要添加 一个 当他的值为0时候 提示：暂无数据 应该怎么写

Question

<s:iterator value="#request.interestCoupons" var="ICoupons">             <div class="pbc">                 <div id="coupons-list">                     <div class="pbc-right" style="margin-left: 6px;;">                         <div class="pbc-right-left investment-center-status-${ICoupons.status}">                             <a class="coupons-item" data-id="${coupon.id}" data-invest="${coupon.investamount}" data-coupon="${coupon.couponamount}">                                 <p style="color: #333;font-size: 15px;" >${ICoupons.coupontypename}</p>                                 <p style="font-size: 11px;color:#333">投资金额<span>${ICoupons.investamount}</span>元可用此卷</p>                                 有效期： <span>${ICoupons.startDate}~${ICoupons.endDate}</span>                             </a>                         </div>                         <div class="content-item">                             <s:if test="#ICoupons.status==1">                                 <div class="pbc-right-right pbc-right-bg item-coupon investment-status-${ICoupons.status}">                                     <div class="item-1">                                         <span>${ICoupons.rate}</span>%                                         <p style="color: #fff;margin-top: 12px;">立即使用</p>                                     </div>                                 </div>                             </s:if>                             <s:elseif test="#ICoupons.status==2">                                 <div class="pbc-right-right pbc-right-bg item-coupon-1 investment-status-${ICoupons.status}">                                     <div class="item-1">                                         <span>${ICoupons.rate}</span>%                                         <p style="color:#fff;margin-top: 12px;">已使用</p>                                     </div>                                 </div>                             </s:elseif>                             <s:elseif test="#ICoupons.status==3">                                 已过期                             </s:elseif>                             <s:else>                                 错误                             </s:else>                         </div>                     </div>                 </div>             </div>         </s:iterator>

Answer 1

用JS判断是否有值，没值就给你需要改成没有数据的标签的值进行innerHTML赋值