这篇文章将为大家详细讲解有关SpringBoot如何实现整合微信支付，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
1.准备工作
1.1 数据库表
这里涉及微信支付一共两个表：
订单表
支付记录表
1.2 实体类
数据库对应的实体类：
订单表
@Data@ToString@EqualsAndHashCode(callSuper = false)@Accessors(chain = true)@TableName("t_order")@ApiModel(value = "Order对象", description = "订单")public class Order implements Serializable { private static final long serialVersionUID = 1L; @TableId(value = "id", type = IdType.ID_WORKER_STR) private String id; @ApiModelProperty(value = "订单号") private String orderNo; @ApiModelProperty(value = "课程id") private String courseId; @ApiModelProperty(value = "课程名称") private String courseTitle; @ApiModelProperty(value = "课程封面") private String courseCover; @ApiModelProperty(value = "讲师名称") private String teacherName; @ApiModelProperty(value = "会员id") private String memberId; @ApiModelProperty(value = "会员昵称") private String nickname; @ApiModelProperty(value = "会员手机") private String mobile; @ApiModelProperty(value = "订单金额（分）") private BigDecimal totalFee; @ApiModelProperty(value = "支付类型（1：微信 2：支付宝）") private Integer payType; @ApiModelProperty(value = "订单状态（0：未支付 1：已支付）") private Integer status; @ApiModelProperty(value = "逻辑删除 1（true）已删除， 0（false）未删除") private Boolean isDeleted; @ApiModelProperty(value = "创建时间") @TableField(fill = FieldFill.INSERT) private Date gmtCreate; @ApiModelProperty(value = "更新时间") @TableField(fill = FieldFill.INSERT_UPDATE) private Date gmtModified;}支付日志表
@Data@EqualsAndHashCode(callSuper = false)@Accessors(chain = true)@TableName("t_pay_log")@ApiModel(value = "PayLog对象", description = "支付日志表")public class PayLog implements Serializable { private static final long serialVersionUID = 1L; @TableId(value = "id", type = IdType.ID_WORKER_STR) private String id; @ApiModelProperty(value = "订单号") private String orderNo; @ApiModelProperty(value = "支付完成时间") private Date payTime; @ApiModelProperty(value = "支付金额（分）") private BigDecimal totalFee; @ApiModelProperty(value = "交易流水号") private String transactionId; @ApiModelProperty(value = "交易状态") private String tradeState; @ApiModelProperty(value = "支付类型（1：微信 2：支付宝）") private Integer payType; @ApiModelProperty(value = "其他属性") private String attr; @ApiModelProperty(value = "逻辑删除 1（true）已删除， 0（false）未删除") private Boolean isDeleted; @ApiModelProperty(value = "创建时间") @TableField(fill = FieldFill.INSERT) private Date gmtCreate; @ApiModelProperty(value = "更新时间") @TableField(fill = FieldFill.INSERT_UPDATE) private Date gmtModified;}1.3 导入依赖
在订单模块service_order导入微信支付需要的依赖：
<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>1.4 配置文件
在配置文件application.properties配置相关的信息：
# 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.Driverspring.datasource.url=jdbc:mysql://localhost:3306/guli?serverTimezone=GMT%2B8spring.datasource.username=rootspring.datasource.password=root#返回json的全局时间格式spring.jackson.date-format=yyyy-MM-dd HH:mm:ssspring.jackson.time-zone=GMT+8#配置mapper xml文件的路径mybatis-plus.mapper-locations=classpath:com/atguigu/eduorder/mapper/xml public static String getOrderNo() { SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); String newDate = sdf.format(new Date()); String result = ""; Random random = new Random(); for (int i = 0; i < 3; i++) { result += random.nextInt(10); } return newDate + result; }}HttpClient工具类：
public class HttpClient { private String url; private Map<String, String> param; private int statusCode; private String content; private String xmlParam; private boolean isHttps; public boolean isHttps() { return isHttps; } public void setHttps(boolean isHttps) { this.isHttps = isHttps; } public String getXmlParam() { return xmlParam; } public void setXmlParam(String xmlParam) { this.xmlParam = xmlParam; } public HttpClient(String url, Map<String, String> param) { this.url = url; this.param = param; } public HttpClient(String url) { this.url = url; } public void setParameter(Map<String, String> map) { param = map; } public void addParameter(String key, String value) { if (param == null) param = new HashMap<String, String>(); param.put(key, value); } public void post() throws ClientProtocolException, IOException { HttpPost http = new HttpPost(url); setEntity(http); execute(http); } public void put() throws ClientProtocolException, IOException { HttpPut http = new HttpPut(url); setEntity(http); execute(http); } public void get() throws ClientProtocolException, IOException { if (param != null) { StringBuilder url = new StringBuilder(this.url); boolean isFirst = true; for (String key : param.keySet()) { if (isFirst) url.append("?"); else url.append("&"); url.append(key).append("=").append(param.get(key)); } this.url = url.toString(); } HttpGet http = new HttpGet(url); execute(http); } private void setEntity(HttpEntityEnclosingRequestBase http) { if (param != null) { List<NameValuePair> nvps = new LinkedList<NameValuePair>(); for (String key : param.keySet()) nvps.add(new BasicNameValuePair(key, param.get(key))); // 参数 http.setEntity(new UrlEncodedFormEntity(nvps, Consts.UTF_8)); // 设置参数 } if (xmlParam != null) { http.setEntity(new StringEntity(xmlParam, Consts.UTF_8)); } } private void execute(HttpUriRequest http) throws ClientProtocolException, IOException { CloseableHttpClient httpClient = null; try { if (isHttps) { SSLContext sslContext = new SSLContextBuilder() .loadTrustMaterial(null, new TrustStrategy() { // 信任所有 public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException { return true; } }).build(); SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory( sslContext); httpClient = HttpClients.custom().setSSLSocketFactory(sslsf) .build(); } else { httpClient = HttpClients.createDefault(); } CloseableHttpResponse response = httpClient.execute(http); try { if (response != null) { if (response.getStatusLine() != null) statusCode = response.getStatusLine().getStatusCode(); HttpEntity entity = response.getEntity(); // 响应内容 content = EntityUtils.toString(entity, Consts.UTF_8); } } finally { response.close(); } } catch (Exception e) { e.printStackTrace(); } finally { httpClient.close(); } } public int getStatusCode() { return statusCode; } public String getContent() throws ParseException, IOException { return content; }}2.生成订单
这里一共涉及service_order订单模块、service_ucenter用户模块、service-edu课程模块。
service_order使用Fegin远程调用其他模块的方法。
详细的Fegin的使用可以参考：SpringCloud-Feign远程调用
2.1 远程调用用户模块和课程模块
在service_order订单模块创建：
@Component@FeignClient("service-ucenter") //调用的服务名称public interface UcenterClient { //根据用户id获取用户信息，用于生成订单使用 @PostMapping("/educenter/member/getUserInfoOrder/{id}") public UcenterMemberOrder getUserInfoOrder(@PathVariable("id") String id);}@Component@FeignClient("service-edu") //调用的服务名称public interface CourseClient { //根据课程id查询课程信息 @PostMapping("/eduservice/coursefront/getCourseInfoOrder/{id}") public CourseWebOrder getCourseInfoOrder(@PathVariable("id") String id);}2.2 远程调用方法的实现
在service-edu课程模块实现根据课程id查询课程信息的getCourseInfoOrder方法
controller层：
@PostMapping("getCourseInfoOrder/{id}")public CourseWebOrder getCourseInfoOrder(@PathVariable("id") String id) { CourseWebVo courseInfo = courseService.getBaseCourseInfo(id); CourseWebOrder courseWebOrder = new CourseWebOrder(); BeanUtils.copyProperties(courseInfo, courseWebOrder); return courseWebOrder;}service层：
@Overridepublic CourseWebVo getBaseCourseInfo(String courseId) { return baseMapper.getBaseCourseInfo(courseId);}mapper层：
<!--根据课程id查询课程基本信息--><select id="getBaseCourseInfo" resultType="com.atguigu.eduservice.entity.frontvo.CourseWebVo"> SELECT ec.id, ec.`title`, ec.`price`, ec.lesson_num as lessonNum, ec.cover, ec.buy_count as buyCount, ec.view_count as viewCount, ecd.description, et.id teacherId, et.`name` AS teacherName, et.intro, et.avatar, es1.id as subjectLevelOneId, es1.`title` AS subjectLevelOne, es2.id as subjectLevelTwoId, es2.`title` AS subjectLevelTwo FROM edu_course ec LEFT JOIN edu_course_description ecd ON ec.id = ecd.id LEFT JOIN edu_teacher et ON ec.`teacher_id` = et.`id` LEFT JOIN edu_subject es1 ON ec.`subject_parent_id` = es1.`id` LEFT JOIN edu_subject es2 ON ec.`subject_id` = es2.`id` WHERE ec.id = #{courseId}</select>在service_ucenter用户模块实现根据用户id获取用户信息的getUserInfoOrder方法
controller层：
@PostMapping("getUserInfoOrder/{id}")public UcenterMemberOrder getUserInfoOrder(@PathVariable("id") String id) { UcenterMember member = memberService.getById(id); UcenterMemberOrder memberOrder = new UcenterMemberOrder(); BeanUtils.copyProperties(member, memberOrder); return memberOrder;}2.3 根据课程id和用户id生成订单
controller层：
@CrossOrigin@RestController@RequestMapping("/eduorder/order")public class OrderController { @Autowired private OrderService orderService; @PostMapping("createOrder/{courseId}") public R saveOrder(@PathVariable("courseId") String courseId, HttpServletRequest request) { //通过JWT工具类获取用户id //创建订单，返回订单号 String orderNo = orderService.createOrderById(courseId, JwtUtils.getMemberIdByJwtToken(request)); return R.ok().data("orderId", orderNo); }}service层：
@Overridepublic String createOrderById(String courseId, String userId) { //通过远程调佣根据用户id获取用户信息 UcenterMemberOrder userInfoOrder = ucenterClient.getUserInfoOrder(userId); //通过远程调佣根据课程id获取课程信息 CourseWebOrder courseInfoOrder = courseClient.getCourseInfoOrder(courseId); Order order = new Order(); //订单号 order.setOrderNo(OrderNoUtil.getOrderNo()); order.setCourseId(courseId); order.setCourseTitle(courseInfoOrder.getTitle()); order.setCourseCover(courseInfoOrder.getCover()); order.setTeacherName(courseInfoOrder.getTeacherName()); order.setTotalFee(courseInfoOrder.getPrice()); order.setMemberId(userId); order.setMobile(userInfoOrder.getMobile()); order.setNickname(userInfoOrder.getNickname()); //支付状态 未支付：0 已支付：1 order.setStatus(0); //支付类型 微信：1 支付宝：2 order.setPayType(1); //保存到数据库 baseMapper.insert(order); //返回订单号 return order.getOrderNo();}3.查询订单信息
3.1 controller层
在OrderController里创建getOrderInfo用于生成订单：
@GetMapping("getOrderInfo/{orderId}")public R getOrderInfo(@PathVariable("orderId") String orderId) { Order order=orderService.getOrderByOrderId(orderId); return R.ok().data("item", order);}3.2 service层
@Overridepublic Order getOrderByOrderId(String orderId) { LambdaQueryWrapper<Order> queryWrapper = new LambdaQueryWrapper<>(); queryWrapper.eq(Order::getOrderNo, orderId); return baseMapper.selectOne(queryWrapper);}4.生成微信支付的二维码
4.1 controller层
在PayLogController里创建createNative用于生成支付二维码：
@CrossOrigin@RestController@RequestMapping("/eduorder/paylog")public class PayLogController { @Autowired private PayLogService payLogService; @GetMapping("createNative/{orderNo}") public R createNative(@PathVariable("orderNo") String orderNo){ //返回信息，包含二维码地址，还有其他信息 Map map=payLogService.createNative(orderNo); return R.ok().data(map); }}4.2 service层
生成微信支付二维码大概分为这几步：
根据订单号查询订单信息
使用map设置生成二维码需要的参数
发送httpclient请求，传递xml格式的参数，传入微信支付提供的固定地址
得到发送请求返回的结果
最终返回封装数据
@Overridepublic Map createNative(String orderNo) { try { //1.根据订单号查询订单信息 Order order = orderService.getOrderByOrderId(orderNo); //2.使用map设置生成二维码需要的参数 Map m = new HashMap(); //关联的公众号appid m.put("appid", ConstantWxPayUtils.WX_PAY_APP_ID); //商户号 m.put("mch_id", ConstantWxPayUtils.WX_PAY_PARTNER); //随机字符串 m.put("nonce_str", WXPayUtil.generateNonceStr()); //课程 m.put("body", order.getCourseTitle()); //订单号 m.put("out_trade_no", orderNo); //价格 m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue() + ""); //支付的ip地址 m.put("spbill_create_ip", "127.0.0.1"); m.put("notify_url", ConstantWxPayUtils.WX_PAY_NOTIFY_URL); m.put("trade_type", "NATIVE"); //3.发送httpclient请求，传递参数xml格式，传入微信支付提供的固定地址 HttpClient client = new HttpClient(ConstantWxPayUtils.WX_PAY_WX_URL); //设置xml格式的参数，需要传入二维码参数m和商户key client.setXmlParam(WXPayUtil.generateSignedXml(m, ConstantWxPayUtils.WX_PAY_PARTNER_KEY)); //默认不支持https，设置为true支持 client.setHttps(true); //执行请求发送 client.post(); //4.得到发送请求返回的结果 //返回的内容是xml格式 String xml = client.getContent(); //把xml格式转换为map集合 Map<String, String> resultMap = WXPayUtil.xmlToMap(xml); //5.最终返回封装数据 Map map = new HashMap(); //订单号 map.put("out_trade_no", orderNo); //课程id map.put("course_id", order.getCourseId()); //价格 map.put("total_fee", order.getTotalFee()); //返回二维码操作状态码 map.put("result_code", resultMap.get("result_code")); //二维码地址 map.put("code_url", resultMap.get("code_url")); return map; } catch (Exception e) { throw new GuliException(20001, "生成微信支付二维码失败"); }}5.查询订单支付状态
5.1 controller层
在PayLogController里创建queryPayStatus用于获取支付状态：
@GetMapping("queryPayStatus/{orderNo}")public R queryPayStatus(@PathVariable("orderNo") String orderNo){ Map<String, String> map=payLogService.queryPayStatus(orderNo); if(map==null){ return R.error().message("支付出错！"); } //如果map不为空，通过map获取订单状态 if(map.get("trade_state").equals("SUCCESS")){ //添加记录到支付表，更新订单表订单状态 payLogService.updateOrdersStatus(map); return R.ok().message("支付成功！"); } return R.ok().code(25000).message("正在支付中...");}5.2 service层
根据订单号查询订单支付状态大概分为一下几步：
封装参数
发送httpclient
得到请求返回的内容
@Overridepublic Map<String, String> queryPayStatus(String orderNo) { try { //1.封装参数 Map m=new HashMap(); //关联的公众号appid m.put("appid",ConstantWxPayUtils.WX_PAY_APP_ID); //商户号 m.put("mch_id",ConstantWxPayUtils.WX_PAY_PARTNER); //订单号 m.put("out_trade_no",orderNo); //随机字符串 m.put("nonce_str",WXPayUtil.generateNonceStr()); //2.发送httpclient HttpClient client = new HttpClient(ConstantWxPayUtils.WX_PAY_QUERY_URL); client.setXmlParam(WXPayUtil.generateSignedXml(m,ConstantWxPayUtils.WX_PAY_PARTNER_KEY)); client.setHttps(true); client.post(); //3.得到请求返回的内容 String xml = client.getContent(); Map<String, String> resultMap=WXPayUtil.xmlToMap(xml); return resultMap; } catch (Exception e) { e.printStackTrace(); throw new GuliException(20001,"查询订单支付状态失败"); }}如果支付成功，需要添加记录到支付表，更新订单表订单状态：
@Overridepublic void updateOrdersStatus(Map<String, String> map) { //从map获取订单号 String orderNo = map.get("out_trade_no"); Order order = orderService.getOrderByOrderId(orderNo); //更新订单表t_order的订单状态status if(order.getStatus().intValue()==1){ return; } order.setStatus(1); orderService.updateById(order); //向支付表 t_pag_log 添加记录 PayLog payLog=new PayLog(); payLog.setOrderNo(orderNo); payLog.setPayTime(new Date()); //支付类型 payLog.setPayType(1); //支付金额 payLog.setTotalFee(order.getTotalFee()); //支付状态 payLog.setTradeState(map.get("trade_state")); //交易流水号 payLog.setTransactionId(map.get("transaction_id")); //其他属性，转为json字符串 payLog.setAttr(JSONObject.toJSONString(map)); baseMapper.insert(payLog);}关于“SpringBoot如何实现整合微信支付”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，使各位可以学到更多知识，如果觉得文章不错，请把它分享出去让更多的人看到。
