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【uniapp微信小程序+springBoot（binarywang）

news 2025/8/25 6:10:16

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 || H5this.$loginForAppAndH5();// #endif// #ifdef MP-WEIXINthis.$loginForWeiXinApplet();// #endif},//微信支付weixinPay() {this.loading = true;uni.login({success: (e) => {let ticket = uni.getStorageSync('ticket'); //取出Cookieif (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>

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>

#微信小程序
wx.applet.appId=xxxxxxxxxxxxxxxx
wx.applet.appSecret=xxxxxxxxxxxxxxxx

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;@Overridepublic String toString() {return ToStringBuilder.reflectionToString(this,ToStringStyle.MULTI_LINE_STYLE);}}

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);@Autowiredprivate WxPayService wxPayService;@Autowiredprivate MemberCardOrdersService memberCardOrdersService;@Autowiredprivate MemberCardOrdersDao memberCardOrdersDao;@Autowiredprivate MemberCardTrxorderDetailService memberCardTrxorderDetailService;@Autowiredprivate 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")@ResponseBodypublic 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idsourceMap.put("userId", userId+ "");//用户idsourceMap.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ipsourceMap.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openIdorderRequest.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())&&notifyResult.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!");}}}
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