一、课程支付需求描述
二、数据库设计
创建相关表
订单表t_order

CREATE TABLE `t_order` ( `id` char(19) NOT NULL DEFAULT '', `order_no` varchar(20) NOT NULL DEFAULT '' COMMENT '订单号', `course_id` varchar(19) NOT NULL DEFAULT '' COMMENT '课程id', `course_title` varchar(100) DEFAULT NULL COMMENT '课程名称', `course_cover` varchar(255) DEFAULT NULL COMMENT '课程封面', `teacher_name` varchar(20) DEFAULT NULL COMMENT '讲师名称', `member_id` varchar(19) NOT NULL DEFAULT '' COMMENT '会员id', `nickname` varchar(50) DEFAULT NULL COMMENT '会员昵称', `mobile` varchar(11) DEFAULT NULL COMMENT '会员手机', `total_fee` decimal(10,2) DEFAULT '0.01' COMMENT '订单金额(分)', `pay_type` tinyint(3) DEFAULT NULL COMMENT '支付类型(1:微信 2:支付宝)', `status` tinyint(3) DEFAULT NULL COMMENT '订单状态(0:未支付 1:已支付)', `is_deleted` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '逻辑删除 1(true)已删除, 0(false)未删除', `gmt_create` datetime NOT NULL COMMENT '创建时间', `gmt_modified` datetime NOT NULL COMMENT '更新时间', PRIMARY KEY (`id`), UNIQUE KEY `ux_order_no` (`order_no`), KEY `idx_course_id` (`course_id`), KEY `idx_member_id` (`member_id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='订单';
订单支付表t_pay_log

CREATE TABLE `t_pay_log` ( `id` char(19) NOT NULL DEFAULT '', `order_no` varchar(20) NOT NULL DEFAULT '' COMMENT '订单号', `pay_time` datetime DEFAULT NULL COMMENT '支付完成时间', `total_fee` decimal(10,2) DEFAULT '0.01' COMMENT '支付金额(分)', `transaction_id` varchar(30) DEFAULT NULL COMMENT '交易流水号', `trade_state` char(20) DEFAULT NULL COMMENT '交易状态', `pay_type` tinyint(3) NOT NULL DEFAULT '0' COMMENT '支付类型(1:微信 2:支付宝)', `attr` text COMMENT '其他属性', `is_deleted` tinyint(1) unsigned NOT NULL DEFAULT '0' COMMENT '逻辑删除 1(true)已删除, 0(false)未删除', `gmt_create` datetime NOT NULL COMMENT '创建时间', `gmt_modified` datetime NOT NULL COMMENT '更新时间', PRIMARY KEY (`id`), UNIQUE KEY `uk_order_no` (`order_no`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='支付日志表';
三、微信支付功能【后端】
1、创建支付模块和准备
1.1、在service模块下创建子模块service_order
1.2、在service_order模块中引入依赖

<dependencies> <dependency> <groupId>com.github.wxpay</groupId> <artifactId>wxpay-sdk</artifactId> <version>0.0.3</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> </dependency> </dependencies>
1.3、使用代码生成器生成相关代码
1.4、编写application.properties配置文件

# 服务端口 server.port=8007 # 服务名 spring.application.name=service-order # mysql数据库连接 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver spring.datasource.url=jdbc:mysql://localhost:3306/guli?characterEncoding=UTF-8&serverTimezone=GMT%2B8 spring.datasource.username=root spring.datasource.password=123 #返回json的全局时间格式 spring.jackson.date-format=yyyy-MM-dd HH:mm:ss spring.jackson.time-zone=GMT+8 #配置mapper xml文件的路径 mybatis-plus.mapper-locations=classpath:com/atguigu/eduorder/mapper/xml/*.xml #mybatis日志 mybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl # nacos服务地址 spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848 #开启熔断机制 feign.hystrix.enabled=true # 设置hystrix超时时间,默认1000ms hystrix.command.default.execution.isolation.thread.timeoutInMilliseconds=3000
1.5、创建启动类OrderApplication

@SpringBootApplication @EnableDiscoveryClient //nacos注册 @EnableFeignClients @ComponentScan(basePackages = {"com.atguigu"}) @MapperScan("com.atguigu.eduorder.mapper") public class OrdersApplication { public static void main(String[] args){ SpringApplication.run(OrdersApplication.class, args); } }
2、后端接口
2.1、在service_edu创建接口getCourseInfoDto
根据课程id查询课程信息(仅课程信息,用于订单远程调用)

//3 根据课程id查询课程信息(仅课程信息,用于订单远程调用) @GetMapping("getCourseInfoDto/{courseId}") public CourseWebVoOrder getCourseInfoDto(@PathVariable String courseId) { CourseWebVo courseInfoForm = courseService.getBaseCourseInfo(courseId); CourseWebVoOrder courseInfo = new CourseWebVoOrder(); BeanUtils.copyProperties(courseInfoForm,courseInfo); return courseInfo; }
2.2、在service_ucenter创建接口getInfoById
根据用户id查询用户信息(仅用户信息,用于订单远程调用)

@ApiOperation(value = "根据用户id获取用户信息") @GetMapping("getInfoUc/{id}") public UcenterMemberOrder getInfoById(@PathVariable String id){ try { UcenterMember ucenterMember = memberService.getById(id); UcenterMemberOrder member = new UcenterMemberOrder(); BeanUtils.copyProperties(ucenterMember,member); return member; }catch (Exception e){ e.printStackTrace(); throw new GuliException(20001,"error"); } }
2.3、在service_order中创建client文件夹
client文件夹下创建EduClient和UcenterClient接口,用于调用2.1和2.2接口
EduClient

@Component @FeignClient("service-edu") public interface EduClient { //根据课程id查询课程信息(仅课程信息,用于订单远程调用) @GetMapping("/eduservice/coursefront/getCourseInfoDto/{courseId}") public CourseWebVoOrder getCourseInfoDto(@PathVariable("courseId") String courseId); }
UcenterClient

@Component @FeignClient("service-ucenter") public interface UcenterClient { //根据用户id获取用户信息 @GetMapping("/educenter/member/getInfoUc/{id}") public UcenterMemberOrder getInfoById(@PathVariable("id") String id); }
2.4、编写service_order模块中的
controller
需要编写的接口有:①生成订单的接口 ②根据订单id查询订单信息 ③生成微信支付的二维码 ④查询订单支付状态接口
OrderController

@RestController @RequestMapping("/eduorder/order") @CrossOrigin public class OrderController { @Autowired private OrderService orderService; //1 生成订单的方法 @PostMapping("createOrder/{courseId}") public R saveOrder(@PathVariable String courseId, HttpServletRequest request){ //创建订单,返回订单号 String orderNo = orderService.createOrders(courseId,JwtUtils.getMemberIdByJwtToken(request)); return R.ok().data("orderNo",orderNo); } //2 根据订单号id查询订单信息 @GetMapping("getOrderInfo/{orderId}") public R getOrderInfo(@PathVariable String orderId) { QueryWrapper<Order> wrapper = new QueryWrapper<>(); wrapper.eq("order_no",orderId); Order order = orderService.getOne(wrapper); return R.ok().data("item",order); } }
PayLogController

@RestController @RequestMapping("/eduorder/paylog") @CrossOrigin public class PayLogController { @Autowired private PayLogService payLogService; //3 生成微信支付二维码接口 //参数是订单号 @GetMapping("createNative/{orderNo}") public R createNative(@PathVariable String orderNo){ //返回信息,包含二维码地址,还有其他需要的信息 Map map = payLogService.createNative(orderNo); return R.ok().data(map); } //4 查询订单支付状态 //参数:订单号,根据订单号查询 支付状态 @GetMapping("/queryPayStatus/{orderNo}") public R queryPayStatus(@PathVariable String orderNo) { //调用查询接口 Map<String, String> map = payLogService.queryPayStatus(orderNo); if (map == null) {//出错 return R.error().message("支付出错"); } if (map.get("trade_state").equals("SUCCESS")) {//如果支付成功 //添加记录到支付表,更改订单状态 payLogService.updateOrderStatus(map); return R.ok().message("支付成功"); } return R.ok().code(25000).message("支付中"); } }
ServiceImpl
OrderServiceImpl

@Service public class OrderServiceImpl extends ServiceImpl<OrderMapper, Order> implements OrderService { @Autowired private UcenterClient ucenterClient; @Autowired private EduClient eduClient; @Override public String createOrders(String courseId, String memberId) { //通过远程调用获取用户信息 UcenterMemberOrder ucenterMember = ucenterClient.getInfoById(memberId); //通过远程调用获取课程信息 CourseWebVoOrder courseInfoDto = eduClient.getCourseInfoDto(courseId); Order order = new Order(); order.setOrderNo(OrderNoUtil.getOrderNo());//订单号 order.setCourseId(courseId);//课程id order.setCourseTitle(courseInfoDto.getTitle()); order.setCourseCover(courseInfoDto.getCover()); order.setTeacherName(courseInfoDto.getTeacherName()); order.setTotalFee(courseInfoDto.getPrice()); order.setMemberId(memberId); order.setMobile(ucenterMember.getMobile()); order.setNickname(ucenterMember.getNickname()); order.setStatus(0);//支付状态(0未支付,1支付) order.setPayType(1);//支付类型,微信1 baseMapper.insert(order); return order.getOrderNo(); } }
PayLogServiceImpl

@Service public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService { @Autowired private OrderService orderService; //生成微信支付二维码 @Override public Map createNative(String orderNo) { try { //根据订单id获取订单信息 QueryWrapper<Order> wrapper = new QueryWrapper<>(); wrapper.eq("order_no",orderNo); Order order = orderService.getOne(wrapper); Map m = new HashMap(); //1、设置支付参数 m.put("appid", "wx74862e0dfcf69954"); m.put("mch_id", "1558950191"); m.put("nonce_str", WXPayUtil.generateNonceStr()); m.put("body", order.getCourseTitle()); m.put("out_trade_no", orderNo); m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+""); m.put("spbill_create_ip", "127.0.0.1"); m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n"); m.put("trade_type", "NATIVE"); //2、HTTPClient来根据URL访问第三方接口并且传递参数 HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder"); //client设置参数,设置xml格式 client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb")); client.setHttps(true);//支持https访问 client.post();//post请求发送 //3、返回第三方的数据(xml格式--》map集合) String xml = client.getContent(); Map<String, String> resultMap = WXPayUtil.xmlToMap(xml); //4、封装返回结果集 Map map = new HashMap<>(); map.put("out_trade_no", orderNo); map.put("course_id", order.getCourseId()); map.put("total_fee", order.getTotalFee()); map.put("result_code", resultMap.get("result_code"));//返回二维码操作状态码 map.put("code_url", resultMap.get("code_url"));//二维码地址 //微信支付二维码2小时过期,可采取2小时未支付取消订单 //redisTemplate.opsForValue().set(orderNo, map, 120, TimeUnit.MINUTES); return map; } catch (Exception e) { e.printStackTrace(); return new HashMap<>(); } } //查询订单支付状态 @Override public Map<String, String> queryPayStatus(String orderNo) { try { //1、封装参数 Map m = new HashMap<>(); m.put("appid", "wx74862e0dfcf69954"); m.put("mch_id", "1558950191"); m.put("out_trade_no", orderNo); m.put("nonce_str", WXPayUtil.generateNonceStr()); //2、设置httpclient请求 HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/orderquery"); client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb")); client.setHttps(true); client.post(); //3、返回第三方的数据 String xml = client.getContent(); Map<String, String> resultMap = WXPayUtil.xmlToMap(xml); //6、转成Map //7、返回 return resultMap; } catch (Exception e) { e.printStackTrace(); } return null; } //添加支付记录和更新订单状态 @Override public void updateOrderStatus(Map<String, String> map) { //获取订单id String orderNo = map.get("out_trade_no"); //根据订单id查询订单信息 QueryWrapper<Order> wrapper = new QueryWrapper<>(); wrapper.eq("order_no",orderNo); Order order = orderService.getOne(wrapper); //更新订单表订单状态 if(order.getStatus().intValue() == 1) return; order.setStatus(1);//1代表已经支付 orderService.updateById(order); //记录支付日志 PayLog payLog=new PayLog(); payLog.setOrderNo(order.getOrderNo());//支付订单号 payLog.setPayTime(new Date()); payLog.setPayType(1);//支付类型 1微信 payLog.setTotalFee(order.getTotalFee());//总金额(分) payLog.setTradeState(map.get("trade_state"));//支付状态 payLog.setTransactionId(map.get("transaction_id")); payLog.setAttr(JSONObject.toJSONString(map)); baseMapper.insert(payLog);//插入到支付日志表 } }
四、微信支付功能【前端】
1、页面样式修改
1.1、下载并复制样式文件到assets
https://wwr.lanzous.com/i9fiXo7t3le
密码:26xt
1.2、修改default.vue页面

import '~/assets/css/reset.css' import '~/assets/css/theme.css' import '~/assets/css/global.css' import '~/assets/css/web.css' import '~/assets/css/base.css' import '~/assets/css/activity_tab.css' import '~/assets/css/bottom_rec.css' import '~/assets/css/nice_select.css' import '~/assets/css/order.css' import '~/assets/css/swiper-3.3.1.min.css' import "~/assets/css/pages-weixinpay.css"
2、课程支付前端
2.1、在api文件夹下创建order.js文件

import request from '@/utils/request' export default { //1、创建订单 createOrder(cid) { return request({ url: '/eduorder/order/createOrder/'+cid, method: 'post' }) }, //2、根据id获取订单 getById(cid) { return request({ url: '/eduorder/order/getOrderInfo/'+cid, method: 'get' }) }, //3、生成微信支付二维码 createNative(cid) { return request({ url: '/eduorder/paylog/createNative/'+cid, method: 'get' }) }, //4、根据id获取订单支付状态 queryPayStatus(cid) { return request({ url: '/eduorder/paylog/queryPayStatus/'+cid, method: 'get' }) } }
2.2、在课程详情页面中添加创建订单方法
在“立即购买”位置添加事件@click="createOrders()"

<a @click="createOrders()" href="#" title="立即购买" class="comm-btn c-btn-3">立即购买</a>

//生成订单 createOrders(){ orderApi.createOrder(this.courseId) .then(response=>{ //获取订单号 //跳转到订单显示页面 this.$router.push({path:'/orders/'+response.data.data.orderNo}); }) }
2.3、创建订单页面,显示订单信息
在pages下面创建order文件夹,创建_oid.vue页面
在_oid.vue页面调用方法,获取订单信息
(1)页面部分

<template> <div class="Page Confirm"> <div class="Title"> <h1 class="fl f18">订单确认</h1> <img src="~/assets/img/cart_setp2.png" class="fr"> <div class="clear"></div> </div> <form name="flowForm" id="flowForm" method="post" action=""> <table class="GoodList"> <tbody> <tr> <th class="name">商品</th> <th class="price">原价</th> <th class="priceNew">价格</th> </tr> </tbody> <tbody> <!-- <tr> <td colspan="3" class="Title red f18 fb"><p>限时折扣</p></td> </tr> --> <tr> <td colspan="3" class="teacher">讲师:{{order.teacherName}}</td> </tr> <tr class="good"> <td class="name First"> <a target="_blank" :href="'https://localhost:3000/course/'+order.courseId"> <img :src="order.courseCover"></a> <div class="goodInfo"> <input type="hidden" class="ids ids_14502" value="14502"> <a target="_blank" :href="'https://localhost:3000/course/'+ order.courseId">{{order.courseTitle}}</a> </div> </td> <td class="price"> <p>¥<strong>{{order.totalFee}}</strong></p> <!-- <span class="discName red">限时8折</span> --> </td> <td class="red priceNew Last">¥<strong>{{order.totalFee}}</strong></td> </tr> <tr> <td class="Billing tr" colspan="3"> <div class="tr"> <p>共 <strong class="red">1</strong> 件商品,合计<span class="red f20">¥<strong>{{order.totalFee}}</strong></span></p> </div> </td> </tr> </tbody> </table> <div class="Finish"> <div class="fr" id="AgreeDiv"> <label for="Agree"><p class="on"><input type="checkbox" checked="checked">我已阅读并同意<a href="javascript:" target="_blank">《谷粒学院购买协议》</a></p></label> </div> <div class="clear"></div> <div class="Main fl"> <div class="fl"> <a :href="'/course/'+order.courseId">返回课程详情页</a> </div> <div class="fr"> <p>共 <strong class="red">1</strong> 件商品,合计<span class="red f20">¥<strong id="AllPrice">{{order.totalFee}}</strong></span></p> </div> </div> <input name="score" value="0" type="hidden" id="usedScore"> <button class="fr redb" type="button" id="submitPay" @click="toPay()">去支付</button> <div class="clear"></div> </div> </form> </div> </template>
(2)调用部分

<script> import orderApi from '@/api/order' export default { //根据订单id获取订单信息 asyncData({params, error}) { return orderApi.getById(params.oid).then(response => { return { order: response.data.data.item } }) }, methods: { //点击去支付,跳转到支付页面 toPay() { this.$router.push({path: '/pay/' + this.order.orderNo}) } } } </script>
2.4、创建支付页面,生成二维码完成支付
在pages下面创建pay文件夹,创建_pid.vue页面
(1)页面部分

<template> <div class="cart py-container"> <!--主内容--> <div class="checkout py-container pay"> <div class="checkout-tit"> <h4 class="fl tit-txt"><span class="success-icon"></span><span class="success-info">订单提交成功,请您及时付款!订单号:{{payObj.out_trade_no}}</span> </h4> <span class="fr"><em class="sui-lead">应付金额:</em><em class="orange money">¥{{payObj.total_fee}}</em></span> <div class="clearfix"></div> </div> <div class="checkout-steps"> <div class="fl weixin">微信支付</div> <div class="fl sao"> <p class="red">请使用微信扫一扫。</p> <div class="fl code"> <!-- <img id="qrious" src="~/assets/img/erweima.png" alt=""> --> <!-- <qriously value="weixin://wxpay/bizpayurl?pr=R7tnDpZ" :size="338"/> --> <qriously :value="payObj.code_url" :size="338"/> <div class="saosao"> <p>请使用微信扫一扫</p> <p>扫描二维码支付</p> </div> </div> </div> <div class="clearfix"></div> <!-- <p><a href="pay.html" target="_blank">> 其他支付方式</a></p> --> </div> </div> </div> </template>
(2)调用部分

<script> import orderApi from '@/api/order' export default { //根据订单id生成微信支付二维码 asyncData({params, error}) { return orderApi.createNative(params.pid).then(response => { return { payObj: response.data.data } }) }, data() { return { timer: null, // 定时器名称 initQCode: '', timer1:'' } }, mounted() { //在页面渲染之后执行 //每隔三秒,去查询一次支付状态 this.timer1 = setInterval(() => { this.queryPayStatus(this.payObj.out_trade_no) }, 3000); }, methods: { //查询支付状态的方法 queryPayStatus(out_trade_no) { orderApi.queryPayStatus(out_trade_no).then(response => { if (response.data.success) { //如果支付成功,清除定时器 clearInterval(this.timer1) this.$message({ type: 'success', message: '支付成功!' }) //跳转到课程详情页面观看视频 this.$router.push({path: '/course/' + this.payObj.course_id}) } }) } } } </script>
五、课程详情页面功能完善
1、修改课程详情接口
1.1、在service_order模块添加接口
根据用户id和课程id查询订单信息

//根据课程id和用户id查询订单表中订单状态 @GetMapping("isBuyCourse/{memberId}/{courseId}") public boolean isBuyCourse(@PathVariable String memberId, @PathVariable String courseId) { //订单状态是1表示支付成功 int count = orderService.count(new QueryWrapper<Order>().eq("member_id", memberId).eq("course_id", courseId).eq("status", 1)); if(count>0) { return true; } else { return false; } }
1.2、在service_edu模块课程详情接口远程调用
(1)创建OrderClient接口

@FeignClient(name = "service-order",fallback = OrderClientImpl.class)//调用的服务器名称 @Component public interface OrderClient { //根据课程id和用户id查询订单表中订单状态 @GetMapping("/eduorder/order/isBuyCourse/{memberId}/{courseId}") public boolean isBuyCourse(@PathVariable("memberId") String memberId, @PathVariable("courseId") String courseId); }
(2)在课程详情接口调用【修改】

//2 课程详情的方法(包含课程和章节信息) @GetMapping("getCourseFrontInfo/{courseId}") public R getCourseFrontInfo(@PathVariable String courseId, HttpServletRequest request){ //根据课程id,编写sql语句查询课程信息 CourseWebVo courseWebVo = courseService.getBaseCourseInfo(courseId); //根据课程id查询章节和小节 List<ChapterVo> chapterVoList = chapterService.getChapterVideoByCourseId(courseId); //远程调用,判断课程是否被购买 boolean buyCourse = orderClient.isBuyCourse(JwtUtils.getMemberIdByJwtToken(request), courseId); return R.ok().data("courseWebVo",courseWebVo).data("chapterVoList",chapterVoList).data("isbuyCourse",buyCourse); }
2、修改课程详情页面
2.1、页面内容修改

<section v-if="isbuyCourse|| Number(courseInfo.price)===0" class="c-attr-mt"> <a href="#" title="立即观看" class="comm-btn c-btn-3" >立即观看</a> </section> <section v-else class="c-attr-mt"> <a href="#" title="立即购买" class="comm-btn c-btn-3" @click="createOrder()">立即购买</a> </section>
2.2、调用方法修改

<script> import course from '@/api/course' export default { // asyncData({ params, error }) { // return course.getCourseInfo(params.id) // .then(response => { // return { // courseInfo: response.data.data.courseFrontInfo, // chapterVideoList: response.data.data.chapterVideoList, // isbuy: response.data.data.isbuy, // courseId:params.id // } // }) // }, //和页面异步开始的 asyncData({ params, error }) { return {courseId: params.id} }, data() { return { course:{}, chapterVoList:[], isbuyCourse:false } }, created() { this.initCourseInfo() }, methods:{ initCourseInfo() { course.getCourseInfo(this.courseId) .then(response => { this.course=response.data.data.course, this.chapterVoList=response.data.data.chapterVoList, this.isbuyCourse=response.data.data.isbuyCourse }) }, createOrder(){ course.createOrder(this.courseId).then(response => { if(response.data.success){ this.$router.push({ path: '/order/'+ response.data.data.orderNo}) } }) } } }; </script>