流程购物车中选中商品，点击去结算获取收货地址信息需要获取购买商品的信息把这些信息 放在订单表删除购物车里面的数据modelorderapp/model/order.jsmodule.exports = app => { const mongoose = app.mongoose; const Schema = mongoose.Schema; const d = new Date(); const Order = new Schema({ uid: { type: Schema.Types.ObjectId }, all_price: { type: Number }, order_id: { type: Number }, name: { type: String }, phone: { type: Number }, address: { type: String }, zipcode: { type: String }, pay_status: { type: Number }, // 支付状态： 0 表示未支付 1 已经支付 pay_type: { type: String }, // 支付类型： alipay wechat order_status: { // 订单状态： 0 已下单 1 已付款 2 已配货 3、发货 4、交易成功 5、退货 6、取消 type: Number }, add_time: { type: Number, default: d.getTime() } }); return mongoose.model(‘Order’, Order, ‘order’);};order_itemapp/model/order_item.jsmodule.exports = app => { const mongoose = app.mongoose; const Schema = mongoose.Schema; const d = new Date(); const OrderItem = new Schema({ order_id: { type: Schema.Types.ObjectId }, product_title: { type: String }, product_id: { type: Schema.Types.ObjectId }, product_img: { type: String }, product_price: { type: Number }, product_num: { type: Number }, add_time: { type: Number, default: d.getTime(), } }); return mongoose.model(‘OrderItem’, OrderItem, ‘order_item’);};router //去结算 router.get(’/buy/checkout’, initMiddleware, userauthMiddleware, controller.default.buy.checkout); //确认订单去支付 router.get(’/buy/confirm’, initMiddleware, userauthMiddleware, controller.default.buy.confirm); //提交订单 router.post(’/buy/doOrder’, initMiddleware, userauthMiddleware, controller.default.buy.doOrder);去结算controllerapp/controller/default/buy.js async checkout() { // 获取购物车选中的商品 let orderList = []; let allPrice = 0; let cartList = this.service.cookies.get(‘cartList’); if (cartList && cartList.length > 0) { for (let i = 0; i < cartList.length; i++) { if (cartList[i].checked) { orderList.push(cartList[i]); allPrice += cartList[i].price * cartList[i].num; } } // 获取当前用户的所有收货地址 const uid = this.ctx.service.cookies.get(‘userinfo’)._id; const addressList = await this.ctx.model.Address.find({ uid }).sort({ default_address: -1 }); await this.ctx.render(‘default/checkout.html’, { orderList, allPrice, addressList, }); } else { // 恶意操作 this.ctx.redirect(’/cart’); } }提交订单controllerapp/controller/default/buy.js async doOrder() { const uid = this.ctx.service.cookies.get(‘userinfo’)._id; let addressResult = await this.ctx.model.Address.find({ “uid”: uid, “default_address”: 1 }); let cartList = this.service.cookies.get(‘cartList’); if (addressResult && addressResult.length > 0 && cartList && cartList.length > 0) { var all_price = 0; let orderList = cartList.filter((value) => { if (value.checked) { all_price += value.price * value.num; return value; } }) //执行提交订单的操作 let order_id = await this.service.tools.getOrderId(); let name = addressResult[0].name; let phone = addressResult[0].phone; let address = addressResult[0].address; let zipcode = addressResult[0].zipcode; let pay_status = 0; let pay_type = ‘’; let order_status = 0; let orderModel = new this.ctx.model.Order({ order_id, name, phone, address, zipcode, pay_status, pay_type, order_status, all_price }); let orderResult = await orderModel.save(); if (orderResult && orderResult._id) { //增加商品信息 for (let i = 0; i < orderList.length; i++) { let json = { “order_id”: orderResult._id, //订单id “product_title”: orderList[i].title, “product_id”: orderList[i]._id, “product_img”: orderList[i].goods_img, “product_price”: orderList[i].price, “product_num”: orderList[i].num } let orderItemModel = new this.ctx.model.OrderItem(json); await orderItemModel.save(); } //删除购物车中已经购买的商品 var unCheckedCartList = cartList.filter((value) => { if (!value.checked) { return value; } }) this.service.cookies.set(‘cartList’, unCheckedCartList); this.ctx.redirect(’/buy/confirm?id=’ + orderResult._id); } else { this.ctx.redirect(’/checkout’); } } else { this.ctx.redirect(’/checkout’); } }确认订单,去支付app/controller/default/buy.js async confirm() { await this.ctx.render(‘default/confirm.html’); }效果购物车中选中商品，点击去结算订单确认，点击立即下单生成订单，选择付款购物车中，删除刚才选择的商品，留下没有选中的商品第一步第二步第三步第四步数据库中查看数据orderorder_item