直接上代码,在order模块添加依赖
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< dependency > < groupId >com.github.wxpay</ groupId > < artifactId >wxpay-sdk</ artifactId > < version >0.0.3</ version > </ dependency > |
在配置类添加申请的商家号信息
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#关联的公众号appid weixin.pay.appid=wxXXXXXXX #商户号 weixin.pay.partner=XXXXXXXXX #商户key weixin.pay.partnerkey=XXXXXXXXXX |
添加微信生成二维码service
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@Service public class WeiXinServiceImpl implements WeiXinService { @Autowired private PaymentInfoService paymentInfoService; @Autowired private OrderInfoService orderInfoService; @Autowired private WeiXinService weiXinService; //生成支付的二维码 @Override public Map createNative(Long orderId) { //支付记录表添加数据 //根据单号查询订单相关信息 OrderInfo orderInfo = orderInfoService.getById(orderId); if (orderInfo == null ){ throw new OrderException( 20001 , "订单不存在" ); } //添加订单状态 paymentInfoService.savePaymentInfo(orderInfo,PaymentTypeEnum.WEIXIN.getStatus()); //调用微信接口返回二维码 try { //2 调用微信接口,得到二维码地址等信息 //封装传递微信地址参数 Map paramMap = new HashMap(); paramMap.put( "appid" , ConstantPropertiesUtils.APPID); //公众号id paramMap.put( "mch_id" , ConstantPropertiesUtils.PARTNER); //商户号 paramMap.put( "nonce_str" , WXPayUtil.generateNonceStr()); //随机字符串,调用工具类 Date reserveDate = orderInfo.getReserveDate(); String reserveDateString = new DateTime(reserveDate).toString( "yyyy/MM/dd" ); String body = reserveDateString + "就诊" + orderInfo.getDepname(); paramMap.put( "body" , body); //扫码后手机显示内容 paramMap.put( "out_trade_no" , orderInfo.getOutTradeNo()); //订单流水号 //paramMap.put("total_fee", order.getAmount().multiply(new BigDecimal("100")).longValue()+""); paramMap.put( "total_fee" , "1" ); //TODO 为了测试 支付金额 paramMap.put( "spbill_create_ip" , "127.0.0.1" ); //终端ip paramMap.put( "notify_url" , "http://xxxxxxxxx" );//回调地址 paramMap.put( "trade_type" , "NATIVE" ); //二维码类型 //请求微信生成二维码接口 HttpClient client = new HttpClient( "https://api.mch.weixin.qq.com/pay/unifiedorder" ); //设置post请求相关参数 //微信支付要求传递参数xml格式 //把封装map集合变成xml,加密处理,传输 String xml = WXPayUtil.generateSignedXml(paramMap, ConstantPropertiesUtils.PARTNERKEY); client.setXmlParam(xml); //支持https协议 client.setHttps( true ); //发送 client.post(); //调用微信接口,返回数据,xml格式的数据 String resultXml = client.getContent(); System.out.println( "微信二维码:" +resultXml); //把xml格式数据转换map Map<String, String> resultMap = WXPayUtil.xmlToMap(resultXml); Map map = new HashMap<>(); map.put( "orderId" , orderId); map.put( "totalFee" , orderInfo.getAmount()); map.put( "resultCode" , resultMap.get( "result_code" )); map.put( "codeUrl" , resultMap.get( "code_url" )); //微信二维码地址 return map; } catch (Exception e) { e.printStackTrace(); throw new orderException( 20001 , "生成二维码失败" ); } } } |
控制层
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@RestController @RequestMapping ( "/api/order/weixin" ) public class WeixinController { @Autowired private WeiXinService weixinPayService; /** * 下单 生成二维码 */ @GetMapping ( "/createNative/{orderId}" ) public R createNative( @ApiParam (name = "orderId" , value = "订单id" , required = true ) @PathVariable ( "orderId" ) Long orderId) { Map map = weixinPayService.createNative(orderId); return R.ok().data(map); } } |
前端微信支付二维码,wx.js定义方法
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createNative(orderId) { return request({ url: `/api/order/weixin/createNative/${orderId}`, method: 'get' }) } |
显示二维码需要前端安装插件 安装npm install vue-qriously
订单详情页,修改order/show.vue组件
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import weixinApi from '@/api/yygh/wx' <!-- 微信支付弹出框 --> <el-dialog :visible.sync= "dialogPayVisible" style= "text-align: left" :append-to-body= "true" width= "500px" @close= "closeDialog" > <div class= "container" > <div class= "operate-view" style= "height: 350px;" > <div class= "wrapper wechat" > <div> <qriously :value= "payObj.codeUrl" :size= "220" /> <div style= "text-align: center;line-height: 25px;margin-bottom: 40px;" > 请使用微信扫一扫<br/> 扫描二维码支付 </div> </div> </div> </div> </div> </el-dialog> //生成二维码 pay() { //弹框 this .dialogPayVisible = true //调用接口 weixinApi.createNative( this .orderId).then(response => { this .payObj = response.data if ( this .payObj.codeUrl == '' ) { this .dialogPayVisible = false this .$message.error( "支付错误" ) } else { //每隔3秒查询一次支付状态 this .timer = setInterval(()=>{ this .queryPayStatus( this .orderId) },3000) } }) }, |
查询订单支付状态,添加定时器方法,每隔3秒去查询一次支付状态,api
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queryPayStatus(orderId) { return request({ url: `/api/order/weixin/queryPayStatus/${orderId}`, method: 'get' }) }, |
后端,weixinservice封装信息请求微信提供的接口,判断是否支付成功,因为微信返回的是xml文件,所以需要转换
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//调用微信接口查询支付状态 @Override public Map queryPayStatus(Long orderId, String paymentType) { //1 根据orderId查询订单信息 OrderInfo orderInfo = orderInfoService.getById(orderId); if (orderInfo == null ) { throw new orderException( 20001 , "订单不存在" ); } try { //2 封装微信接口需要数据 Map paramMap = new HashMap<>(); paramMap.put( "appid" , ConstantPropertiesUtils.APPID); paramMap.put( "mch_id" , ConstantPropertiesUtils.PARTNER); paramMap.put( "out_trade_no" , orderInfo.getOutTradeNo()); paramMap.put( "nonce_str" , WXPayUtil.generateNonceStr()); //3 调用微信接口,传递数据,设置参数 HttpClient client = new HttpClient( "https://api.mch.weixin.qq.com/pay/orderquery" ); client.setXmlParam(WXPayUtil.generateSignedXml(paramMap,ConstantPropertiesUtils.PARTNERKEY)); client.setHttps( true ); client.post(); //4 获取微信接口返回数据 String xml = client.getContent(); System.out.println( "支付状态返回xml: " +xml); Map<String, String> resultMap = WXPayUtil.xmlToMap(xml); return resultMap; } catch (Exception e) { e.printStackTrace(); throw new orderException( 20001 , "查询失败" ); } } |
支付成功后,更新状态
控制层,查询状态
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@ApiOperation (value = "查询支付状态" ) @GetMapping ( "/queryPayStatus/{orderId}" ) public Result queryPayStatus( @ApiParam (name = "orderId" , value = "订单id" , required = true ) @PathVariable ( "orderId" ) Long orderId) { //调用查询接口 Map<String, String> resultMap = weixinPayService.queryPayStatus(orderId, PaymentTypeEnum.WEIXIN.name()); if (resultMap == null ) { //出错 return Result.fail().message( "支付出错" ); } if ( "SUCCESS" .equals(resultMap.get( "trade_state" ))) { //如果成功 //更改订单状态,处理支付结果 String out_trade_no = resultMap.get( "out_trade_no" ); paymentInfoService.paySuccess(out_trade_no, PaymentTypeEnum.WEIXIN.getStatus(), resultMap); return Result.ok().message( "支付成功" ); } return Result.ok().message( "支付中" ); } |
退款
退款与支付唯一不同的是需要在下载微信提供的退款证书,下载好后通过配置文件加载退款证书路径
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weixin.cert=C:\\apiclient_cert.p12 |
weixinservice中
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//退款 @Override public Boolean refund(Long orderId) { //1 根据订单号查询订单支付记录信息 QueryWrapper<PaymentInfo> wrapper = new QueryWrapper<>(); wrapper.eq( "order_id" ,orderId); PaymentInfo paymentInfo = paymentInfoService.getOne(wrapper); //2 TODO 添加退款信息到退款表 try { //3 调用微信退款接口 //封装微信接口需要数据 Map<String,String> paramMap = new HashMap<>( 8 ); paramMap.put( "appid" ,ConstantPropertiesUtils.APPID); //公众账号ID paramMap.put( "mch_id" ,ConstantPropertiesUtils.PARTNER); //商户编号 paramMap.put( "nonce_str" ,WXPayUtil.generateNonceStr()); paramMap.put( "transaction_id" ,paymentInfo.getTradeNo()); //微信订单号 paramMap.put( "out_trade_no" ,paymentInfo.getOutTradeNo()); //商户订单编号 paramMap.put( "out_refund_no" , "tk" +paymentInfo.getOutTradeNo()); //商户退款单号 // paramMap.put("total_fee",paymentInfoQuery.getTotalAmount().multiply(new BigDecimal("100")).longValue()+""); // paramMap.put("refund_fee",paymentInfoQuery.getTotalAmount().multiply(new BigDecimal("100")).longValue()+""); paramMap.put( "total_fee" , "1" ); paramMap.put( "refund_fee" , "1" ); //设置接口和参数 HttpClient client = new HttpClient( "https://api.mch.weixin.qq.com/secapi/pay/refund" ); client.setXmlParam(WXPayUtil.generateSignedXml(paramMap,ConstantPropertiesUtils.PARTNERKEY)); client.setHttps( true ); client.setCert( true ); //退款证书 client.setCertPassword(ConstantPropertiesUtils.PARTNER); //证书密码 商户key //发送post请求 client.post(); //4、返回退款数据 String xml = client.getContent(); Map<String, String> resultMap = WXPayUtil.xmlToMap(xml); } catch (Exception e) { e.printStackTrace(); } return null ; } |
总结
到此这篇关于SpringBoot整合Vue实现微信扫码支付以及微信退款功能的文章就介绍到这了,更多相关SpringBoot整合Vue微信扫码支付退款内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家!
原文链接:https://blog.csdn.net/weixin_52210557/article/details/124521459