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【uniapp微信小程序+springBoot（binarywang）
uniapp前端代码
<template> <view> <page-head :title="title"></page-head> <view class="uni-padding-wrap"> <view style="background:#FFF; padding:50rpx 0;"> <view class="uni-hello-text uni-center font-lg text-danger">{{vipName}}</view> <view class="uni-h1 uni-center uni-common-mt"> <text class="rmbLogo">￥</text> <input class="price" type="digit" :value="price" maxlength="5" @input="priceChange" /> </view> </view> <view class="uni-btn-v uni-common-mt"> <!-- #ifdef MP-WEIXIN || MP-QQ --> <button type="primary" @click="weixinPay" :loading="loading">微信支付</button> <!-- #endif --> </view> </view> </view> </view> </template> <script> export default { data() { return { title: 'request-payment', loading: false, typeId:0, vipName:'', price: 1, providerList: [], user:'', baseLocation: '', memberCardOrders:[], header: { 'Content-Type': 'application/x-www-form-urlencoded' } } }, onLoad: function(e) { this.baseLocation = getApp().globalData.BaseUrl; this.user = uni.getStorageSync('user'); if(e.id){ this.typeId=e.id; } if(e.typeName){ this.vipName=e.typeName; } if(e.currentPrice){ this.price=e.currentPrice; } }, methods: { //登录 async login() { // #ifdef APP-PLUS || H5 this.$loginForAppAndH5(); // #endif // #ifdef MP-WEIXIN this.$loginForWeiXinApplet(); // #endif }, //微信支付 weixinPay() { this.loading = true; uni.login({ success: (e) => { let ticket = uni.getStorageSync('ticket'); //取出Cookie if (ticket) { this.header.Cookie = ticket; uni.request({ url:this.baseLocation + '/api/client/pay/appletPaymentPay', header:this.header, data:{ memberCardTypeId: this.typeId, payType: 'APPLETPAYMENT', orderAmount: this.price, memberCardTypeName: this.vipName, code:e.code }, success: (res) => { if (res.data.code === 200) { let paymentData = res.data.payment; uni.requestPayment({ timeStamp: paymentData.timeStamp, nonceStr: paymentData.nonceStr, package: paymentData.packageValue, signType: paymentData.signType, paySign: paymentData.paySign, success: (res) => { uni.showToast({ title:'支付成功，即将跳转到会员中心...', icon:'none', duration:1000 }) uni.reLaunch({ url:'membercenter' }) }, fail: (res) => { uni.showModal({ content: "支付失败,原因为: " + res.errMsg, showCancel: false }) return false; }, complete: () => { this.loading = false; } }) } else { uni.showModal({ content: res.data.message, showCancel: false }) return false; } }, fail: (e) => { this.loading = false; uni.showModal({ content: "支付失败,原因为: " + e.errMsg, showCancel: false }) return false; } }) }else{ this.login(); } }, fail: (e) => { this.loading = false; uni.showModal({ content: "支付失败,原因为: " + e.errMsg, showCancel: false }) return false; } }) }, //价格计算 priceChange(e) { this.price = e.detail.value; } } } </script> <style> .rmbLogo { font-size: 40rpx; } button { background-color: #007aff; color: #ffffff; } .uni-h1.uni-center { display: flex; flex-direction: row; justify-content: center; align-items: flex-end; } .price { border-bottom: 1px solid #eee; width: 200rpx; height: 80rpx; padding-bottom: 4rpx; } .ipaPayBtn { margin-top: 30rpx; } </style>- 1
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后端代码
<!--公众号（包括订阅号和服务号） --> <dependency> <groupId>com.github.binarywang</groupId> <artifactId>weixin-java-mp</artifactId> <version>2.7.0</version> </dependency> <!--微信支付 --> <dependency> <groupId>com.github.binarywang</groupId> <artifactId>weixin-java-pay</artifactId> <version>3.0.0</version> </dependency> <!--微信小程序 --> <dependency> <groupId>com.github.binarywang</groupId> <artifactId>weixin-java-miniapp</artifactId> <version>3.0.0</version> </dependency>- 1
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#微信小程序 wx.applet.appId=xxxxxxxxxxxxxxxx wx.applet.appSecret=xxxxxxxxxxxxxxxx- 1
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package com.ltf.config; import lombok.Data; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.stereotype.Component; @Data @Component @ConfigurationProperties(prefix = "wx.applet") public class WeChatAppletProperties { /** * appId */ private String appId; /** * 公众平台** */ private String appSecret; @Override public String toString() { return ToStringBuilder.reflectionToString(this, ToStringStyle.MULTI_LINE_STYLE); } }- 1
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package com.ltf.controller; import com.ltf.common.ReqChanle; import com.ltf.config.WeChatAppletProperties; import com.ltf.config.WeChatPayProperties; import com.ltf.dao.MemberCardOrdersDao; import com.ltf.entity.MemberCardOrders; import com.ltf.service.MemberCardOrdersService; import com.ltf.service.MemberCardTrxorderDetailService; import com.ltf.utils.HttpRequestUtil; import com.ltf.utils.SingletonLoginUtils; import com.ltf.utils.WebUtils; import com.alibaba.fastjson.JSONObject; import com.github.binarywang.wxpay.bean.notify.WxPayNotifyResponse; import com.github.binarywang.wxpay.bean.notify.WxPayOrderNotifyResult; import com.github.binarywang.wxpay.bean.order.WxPayAppOrderResult; import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest; import com.github.binarywang.wxpay.exception.WxPayException; import com.github.binarywang.wxpay.service.WxPayService; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; import java.math.BigDecimal; import java.net.InetAddress; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; /** * 微信支付 * @author xhz * */ @RestController @RequestMapping(value = "/api/client/pay/") public class WeChatPayController extends BaseController{ private static final Logger logger = LoggerFactory .getLogger(WeChatPayController.class); @Autowired private WxPayService wxPayService; @Autowired private MemberCardOrdersService memberCardOrdersService; @Autowired private MemberCardOrdersDao memberCardOrdersDao; @Autowired private MemberCardTrxorderDetailService memberCardTrxorderDetailService; @Autowired private WeChatAppletProperties weChatAppletProperties; /** * 1块钱转为 100 分 * 元转分 * * @param bigDecimal 钱数目 * @return 分 */ private int yuanToFee(BigDecimal bigDecimal) { return bigDecimal.multiply(new BigDecimal(100)).intValue(); } /** * 100分转为1块钱 * 分转元 * * @param price 钱数目 * @return 元 */ private String feeToYuan(Integer price) { return BigDecimal.valueOf(Long.valueOf(price)).divide(new BigDecimal(100)).toString(); } /** * 小程序支付 * @param request * @param memberCardTypeId * @param payType * @param orderAmount * @param memberCardTypeName * @param code * @return */ @SuppressWarnings("static-access") @GetMapping(value = "appletPaymentPay") @ResponseBody public JSONObject appletPaymentPay(HttpServletRequest request, @RequestParam("memberCardTypeId")String memberCardTypeId, @RequestParam("payType")String payType, @RequestParam("orderAmount")String orderAmount, @RequestParam("memberCardTypeName")String memberCardTypeName, @RequestParam("code")String code ){ try { Integer userId=SingletonLoginUtils.getLoginUserId(request); if(userId>0){ Map<String, String> sourceMap = new HashMap<String, String>(); sourceMap.put("memberCardTypeId", memberCardTypeId);// 会员卡类型id sourceMap.put("userId", userId+ "");//用户id sourceMap.put("reqchanle", ReqChanle.APLLET.toString());//用户请求来源 sourceMap.put("payType", payType);// 支付类型 sourceMap.put("reqIp", WebUtils.getIpAddr(request));// 用户ip sourceMap.put("orderAmount", orderAmount);// 订单原始金额,也是实际支付金额 sourceMap.put("memberCardTypeName", memberCardTypeName);//会员卡类型名称 Map<String, Object> res = memberCardOrdersService.addTrxorder(request,sourceMap); if(res.containsKey("msg")){ return this.formatJSON(501, "会员卡订单创建失败！", res); }else{ String param="appid="+weChatAppletProperties.getAppId()+"&secret="+weChatAppletProperties.getAppSecret()+"&js_code="+code+"&grant_type=authorization_code"; String result=HttpRequestUtil.doJsonGet("https://api.weixin.qq.com/sns/jscode2session", param); if(result!=null&&!"".equals(result)){ JSONObject jsonObject1=JSONObject.parseObject(result); if(jsonObject1.get("openid")!=null){ WxPayUnifiedOrderRequest orderRequest = new WxPayUnifiedOrderRequest(); orderRequest.setAppid(weChatAppletProperties.getAppId()); orderRequest.setBody(memberCardTypeName); orderRequest.setOutTradeNo(res.get("orderNo").toString()); orderRequest.setTradeType("JSAPI"); orderRequest.setTotalFee(yuanToFee(new BigDecimal(orderAmount))); String openId=jsonObject1.get("openid").toString(); orderRequest.setOpenid(openId);// 获取微信支付用户的openId orderRequest.setSpbillCreateIp(InetAddress.getLoopbackAddress().getHostAddress()); orderRequest.setNotifyUrl("https://你的域名/api/client/pay/appletPaymentPayNotify"); Object order = wxPayService.createOrder(orderRequest); res.put("payment", order); return this.formatJSON(200, "OK", res); }else{ return this.formatJSON(500, "openId获取失败！",null); } }else{ return this.formatJSON(500, "openId获取失败！",null); } } }else{ return this.formatJSON(500, "当前登录已失效，请重新登录！",null); } } catch (Exception e) { logger.error("WeChatPayController.appletPaymentPay()----error", e); return this.formatJSON(500, "微信小程序支付时会员卡订单创建失败！",null); } } /** * * @param xmlData 小程序支付返回的流 * @return */ @RequestMapping(value = "appletPaymentPayNotify",method = {RequestMethod.GET,RequestMethod.POST}) public String appletPaymentPayNotify(@RequestBody String xmlData){ try { final WxPayOrderNotifyResult notifyResult = this.wxPayService.parseOrderNotifyResult(xmlData); //这里是存储我们发起支付时订单号的信息，所以取出来 MemberCardOrders memberCardOrders=new MemberCardOrders(); memberCardOrders.setOrderNo(notifyResult.getOutTradeNo()); //根据订单号查询订单 MemberCardOrders mco=memberCardOrdersDao.selectMemberCardOrdersByCondition(memberCardOrders); //验证商户id和价格，以防止篡改金额 if(mco!=null){ if(weChatPayProperties.getMchId().equals(notifyResult.getMchId())&¬ifyResult.getTotalFee().equals(yuanToFee(mco.getSumMoney()))){ Map<String,Object> map=new HashMap<String,Object>(); map.put("sumMoney", feeToYuan(notifyResult.getTotalFee()));//订单总金额 map.put("outTradeNo", notifyResult.getTransactionId());//支付宝的交易号 map.put("orderNo", notifyResult.getOutTradeNo());//商户系统的唯一订单号 map.put("states", notifyResult.getResultCode());//交易状态 map.put("payTime", notifyResult.getTimeEnd());//支付时间 //修改会员卡订单信息 String result1=memberCardOrdersService.updateMemberCardOrderInfoForNotify(map); if(result1.equals("error")){ return WxPayNotifyResponse.fail("修改会员卡订单信息失败！"); } //修改会员卡订单流水信息 String result2=memberCardTrxorderDetailService.updateMemberCardTrxorderDetaiInfoForNotify(map); if(result2.equals("error")){ return WxPayNotifyResponse.fail("修改会员卡订单流水信息失败！"); } //成功后回调微信信息 return WxPayNotifyResponse.success("回调成功！"); }else{ return WxPayNotifyResponse.fail("商户id和价格验证不通过！"); } }else{ return WxPayNotifyResponse.fail("订单号不存在!"); } } catch (WxPayException e) { logger.error("WeChatPayController.appletPaymentPayNotify()----error", e); return WxPayNotifyResponse.fail("微信小程序支付回调有误!"); } } }- 1
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- 原文地址：https://blog.csdn.net/m0_56095048/article/details/133813115
