router.jsrouter.get(’/plist’,initMiddleware, controller.default.product.list);controller.jsapp/controller/default/product.js’use strict’;const Controller = require(’egg’).Controller;class ProductController extends Controller { async list() { var cid=this.ctx.request.query.cid; //根据分类id获取当前的分类新 var curentCate=await this.ctx.model.GoodsCate.find({"_id":cid}); console.log(JSON.stringify(curentCate)) //判断是否是顶级分类 if(curentCate[0].pid!=0){ // 二级分类 var goodsList=await this.ctx.model.Goods.find({“cate_id”:cid},’_id title price sub_title goods_img shop_price’); console.log(goodsList); }else{ //顶级分类 获取当前顶级分类下面的所有的子分类 var subCatesIds=await this.ctx.model.GoodsCate.find({“pid”:this.app.mongoose.Types.ObjectId(cid)},’_id’); var tempArr=[]; for(var i=0;i<subCatesIds.length;i++){ tempArr.push({ “cate_id”:subCatesIds[i]._id }) } var goodsList=await this.ctx.model.Goods.find({ $or:tempArr },’_id title price sub_title goods_img shop_price’); } var tpl=curentCate[0].template?curentCate[0].template:‘default/product_list.html’; await this.ctx.render(tpl,{ goodsList:goodsList }); } async info() { await this.ctx.render(‘default/product_info.html’); }}module.exports = ProductController;viewapp/view/default/index.html <a href="/plist?cid=<%=goodsCate[i]._id%>"><%=goodsCate[i].title%></a>app/view/default/product_list.html<% include ./public/header.html%><!–end header –><!– start banner_x –><% include ./public/banner.html%><!– end banner_x –> <!– start danpin –> <div class=“danpin center”> <div class=“biaoti center”>小米手机</div> <div class=“main center”> <%for(var i=0;i<goodsList.length;i++){%> <div class=“mingxing fl mb20” style=“border:2px solid #fff;width:230px;cursor:pointer;” onmouseout=“this.style.border=‘2px solid #fff’” onmousemove=“this.style.border=‘2px solid red’"> <div class=“sub_mingxing”> <a href="/pinfo?id=<%=goodsList[i]._id%>” target="_blank"><img src="<%=goodsList[i].goods_img%>" alt="" /></a> </div> <div class=“pinpai”><a href="./xiangqing.html" target="_blank"><%=goodsList[i].title%></a></div> <div class=“jiage”><%=goodsList[i].shop_price%>元</div> </div> <%}%> </div> </div> <footer class=“mt20 center”> <div class=“mt20”>小米商城|MIUI|米聊|多看书城|小米路由器|视频电话|小米天猫店|小米淘宝直营店|小米网盟|小米移动|隐私政策|Select Region</div> <div>©mi.com 京ICP证110507号 京ICP备10046444号 京公网安备11010802020134号 京网文[2014]0059-0009号</div> <div>违法和不良信息举报电话：185-0130-1238，本网站所列数据，除特殊说明，所有数据均出自我司实验室测试</div> </footer> <!– end danpin –> </body></html>效果