提交订单收货地址判断没有地址，提示输入地址，才能提交订单app/view/default/checkout.html<form action="/buy/doOrder?_csrf=<%=csrf%>" method=“POST” id=“checkoutForm”></form> //提交数据监测是否有默认收货地址 var flag = true; $("#checkoutForm").submit(function() { if (flag) { flag = false; var addressCount = $(’#addressList .selected’).length; if (!addressCount) { alert(‘请填写默认收货地址’); return false; } return true; } else { return false; } })效果图egg后端防止单个用户提交重复订单传签名orderSign给checkout.html页面app/controller/default/buy.jsasync checkout() { //签名防止重复提交订单 var orderSign = await this.service.tools.md5(await this.service.tools.getRandomNum()); this.ctx.session.orderSign = orderSign; await this.ctx.render(‘default/checkout.html’, { orderSign: orderSign }); }checkout.html页面接收签名orderSignapp/view/default/checkout.html <form action="/buy/doOrder?_csrf=<%=csrf%>" method=“POST” id=“checkoutForm”> <input type=“hidden” name=“orderSign” value="<%=orderSign%>" /> </form>提交订单请求，接收签名orderSign和后台session的`orderSign对比app/controller/default/buy.js async doOrder() { var orderSign = this.ctx.request.body.orderSign; if (orderSign != this.ctx.session.orderSign) { return false; } this.ctx.session.orderSign = null; //todo…. }效果去支付页面显示订单信息controllerapp/controller/default/buy.js async confirm() { var id = this.ctx.request.query.id; var orderResult = await this.ctx.model.Order.find({ “_id”: id }); if (orderResult && orderResult.length > 0) { //获取商品 var orderItemResult = await this.ctx.model.OrderItem.find({ “order_id”: id }); await this.ctx.render(‘default/confirm.html’, { orderResult: orderResult[0], orderItemResult: orderItemResult }); } else { //错误 this.ctx.redirect(’/’); } }viewapp/view/default/confirm.html <ul> <li class=“clearfix”> <div class=“label”>订单号：</div> <div class=“content”> <span class=“order-num”> <%=orderResult.order_id%> </span> </div> </li> <li class=“clearfix”> <div class=“label”>收货信息：</div> <div class=“content”> <%=orderResult.name%> <%=orderResult.phone%> <%=orderResult.address%> </div> </li> <li class=“clearfix”> <div class=“label”>商品名称：</div> <div class=“content”> <%for(var i=0;i<orderItemResult.length;i++){%> <p> <%=orderItemResult[i].product_title%> </p> <%}%> </div> </li> </ul>效果