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Java 实现微信和支付宝支付功能

来源：互联网 收集：自由互联 发布时间：2021-04-03
一、前期准备 1、申请好微信商户号appid，拿到商户id和商户秘钥，退款的话需要商户证书 2、申请好支付宝商户号appid，商户公钥和秘钥（需要用支付宝工具自己生成），支付宝退款不需

一、前期准备

1、申请好微信商户号appid，拿到商户id和商户秘钥，退款的话需要商户证书
2、申请好支付宝商户号appid，商户公钥和秘钥（需要用支付宝工具自己生成），支付宝退款不需要证书

二、数据库表设计

1、微信支付配置表

CREATE TABLE `py_wx_config` (
 `wx_config_id` varchar(18) NOT NULL COMMENT '微信支付配置ID',
 `appid` varchar(128) DEFAULT NULL COMMENT '微信公众号ID',
 `mch_id` varchar(128) DEFAULT NULL COMMENT '商户号ID',
 `mch_key_secret` varchar(2200) DEFAULT NULL COMMENT '商户安全密钥',
 `crt_path` varchar(200) DEFAULT NULL COMMENT '商户证书存放路径',
 `app_secret` varchar(2200) DEFAULT NULL COMMENT '公众号安全密钥',
 `create_id` varchar(18) DEFAULT NULL COMMENT '创建人',
 `create_time` datetime DEFAULT NULL COMMENT '创建时间',
 `upd_id` varchar(18) DEFAULT NULL COMMENT '修改人',
 `upd_time` datetime DEFAULT NULL COMMENT '修改时间',
 `delete_flag` tinyint(1) NOT NULL DEFAULT '0' COMMENT '删除标志',
 `app_code` varchar(18) NOT NULL COMMENT '商家编码',
 `bm_code` varchar(20) DEFAULT NULL COMMENT '部门编码',
 PRIMARY KEY (`wx_config_id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=COMPACT COMMENT='微信支付配置';

2、微信小程序支付配置表

CREATE TABLE `py_wx_min_config` (
 `wx_min_config_id` varchar(18) NOT NULL COMMENT '微信支付配置ID',
 `appid` varchar(128) DEFAULT NULL COMMENT '微信公众号ID',
 `mch_id` varchar(128) DEFAULT NULL COMMENT '商户号ID',
 `mch_key_secret` varchar(2200) DEFAULT NULL COMMENT '商户安全密钥',
 `crt_path` varchar(200) DEFAULT NULL COMMENT '商户证书存放路径',
 `app_secret` varchar(2200) DEFAULT NULL COMMENT '公众号安全密钥',
 `create_id` varchar(18) DEFAULT NULL COMMENT '创建人',
 `create_time` datetime DEFAULT NULL COMMENT '创建时间',
 `upd_id` varchar(18) DEFAULT NULL COMMENT '修改人',
 `upd_time` datetime DEFAULT NULL COMMENT '修改时间',
 `delete_flag` tinyint(1) NOT NULL DEFAULT '0' COMMENT '删除标志',
 `app_code` varchar(18) NOT NULL COMMENT '商家编码',
 `sys_software_code` varchar(18) DEFAULT NULL COMMENT '系统编码',
 PRIMARY KEY (`wx_min_config_id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=COMPACT COMMENT='微信支付配置';

3、支付宝支付配置表

CREATE TABLE `py_alipay_config` (
 `alipay_config_id` varchar(18) NOT NULL COMMENT '支付宝支付配置ID',
 `ali_private_key` varchar(2200) DEFAULT NULL COMMENT '支付宝密钥',
 `ali_public_key` varchar(2200) DEFAULT NULL COMMENT '支付宝公钥',
 `ali_appid` varchar(128) DEFAULT NULL COMMENT '支付宝appid',
 `create_id` varchar(18) DEFAULT NULL COMMENT '创建人',
 `create_time` datetime DEFAULT NULL COMMENT '创建时间',
 `upd_id` varchar(18) DEFAULT NULL COMMENT '修改人',
 `upd_time` datetime DEFAULT NULL COMMENT '修改时间',
 `delete_flag` tinyint(1) NOT NULL DEFAULT '0' COMMENT '删除标志',
 `app_code` varchar(18) NOT NULL COMMENT '商家编码',
 PRIMARY KEY (`alipay_config_id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=COMPACT COMMENT='支付宝支付配置';

4、支付流水记录表

CREATE TABLE `py_pay_log` (
 `pay_log_id` varchar(18) NOT NULL COMMENT '支付流水ID',
 `pay_no` varchar(20) DEFAULT NULL COMMENT '支付订单号',
 `third_id` varchar(64) DEFAULT NULL COMMENT '微信支付宝订单ID',
 `money_type` varchar(20) DEFAULT NULL COMMENT '支付类型 0-微信 1-支付宝 2-会员卡 3-银联',
 `mq_topic` varchar(100) DEFAULT NULL COMMENT 'MQ主题',
 `mq_status` tinyint(3) DEFAULT NULL COMMENT 'MQ发送状态 0-待发送 1-已发送 2-发送失败',
 `mq_remark` varchar(100) DEFAULT NULL COMMENT 'MQ发送备注',
 `request` text COMMENT '发送数据',
 `response` text COMMENT '返回数据',
 `fee` decimal(14,2) DEFAULT NULL COMMENT '订单金额',
 `create_id` varchar(18) DEFAULT NULL COMMENT '创建人',
 `create_time` datetime DEFAULT NULL COMMENT '创建时间',
 `upd_id` varchar(18) DEFAULT NULL COMMENT '修改人',
 `upd_time` datetime DEFAULT NULL COMMENT '修改时间',
 `delete_flag` tinyint(1) NOT NULL DEFAULT '0' COMMENT '删除标志',
 `app_code` varchar(18) NOT NULL COMMENT '商家编码',
 `pay_config_json_str` longtext COMMENT '支付配置',
 PRIMARY KEY (`pay_log_id`) USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 ROW_FORMAT=DYNAMIC COMMENT='支付流水';

5、支付失败记录表

CREATE TABLE `pay_fail_log` (
 `pay_id` varchar(18) NOT NULL,
 `json_date` varchar(500) DEFAULT NULL,
 `create_id` varchar(18) DEFAULT NULL,
 `create_time` datetime DEFAULT NULL,
 `update_id` varchar(18) DEFAULT NULL,
 `update_time` datetime DEFAULT NULL,
 `app_code` varchar(18) NOT NULL,
 `delete_flag` tinyint(1) DEFAULT '0' COMMENT '是否删除:0-否；1-是',
 PRIMARY KEY (`pay_id`) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 ROW_FORMAT=COMPACT;

三、依赖引入

 <?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

 <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>2.1.3.RELEASE</version>
  <relativePath/> <!-- lookup parent from repository -->
 </parent>

 <modelVersion>4.0.0</modelVersion>
 <groupId>com.pay</groupId>
 <artifactId>qc-payment</artifactId>
 <version>2.3</version>
 <name>qc-payment</name>
 <!-- FIXME change it to the project's website -->
 <url>http://www.example.com</url>

 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <maven.compiler.source>1.7</maven.compiler.source>
  <maven.compiler.target>1.7</maven.compiler.target>
  <spring-cloud.version>Greenwich.SR1</spring-cloud.version>
 </properties>

 <dependencies>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-data-redis</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.cloud</groupId>
   <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.cloud</groupId>
   <artifactId>spring-cloud-starter-netflix-zuul</artifactId>
  </dependency>


  <!--z支付宝-->
  <dependency>
   <groupId>com.alipay.sdk</groupId>
   <artifactId>alipay-sdk-java</artifactId>
   <version>3.3.4.ALL</version>
  </dependency>


  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
  </dependency>

  <!--导入重试机制的坐标-->
  <dependency>
   <groupId>org.springframework.retry</groupId>
   <artifactId>spring-retry</artifactId>
  </dependency>

  <!--引入Hystrix依赖-->
  <dependency>
   <groupId>org.springframework.cloud</groupId>
   <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
  </dependency>

  <!--导入jwt相关依赖-->
  <dependency>
   <groupId>com.auth0</groupId>
   <artifactId>java-jwt</artifactId>
   <version>3.4.1</version>
  </dependency>

  <!-- StringUtil 类-->
  <dependency>
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-lang3</artifactId>
   <version>3.3.2</version>
  </dependency>

  <!-- ali 连接池 -->
  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid</artifactId>
   <version>1.1.12</version>
  </dependency>

  <!-- mybatis -->
  <dependency>
   <groupId>org.mybatis.spring.boot</groupId>
   <artifactId>mybatis-spring-boot-starter</artifactId>
   <version>2.0.0</version>
  </dependency>

  <!-- mysql -->
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
  </dependency>
  <dependency>
   <groupId>javax.persistence</groupId>
   <artifactId>persistence-api</artifactId>
   <version>1.0.2</version>
  </dependency>
  <!-- https://mvnrepository.com/artifact/tk.mybatis/mapper -->
  <dependency>
   <groupId>tk.mybatis</groupId>
   <artifactId>mapper</artifactId>
   <version>4.0.3</version>
  </dependency>

  <!-- import lombok 可以省去getter setter toString等方法 -->
  <dependency>
   <groupId>org.projectlombok</groupId>
   <artifactId>lombok</artifactId>
   <scope>provided</scope>
  </dependency>

  <!-- commons-io -->
  <dependency>
   <groupId>commons-io</groupId>
   <artifactId>commons-io</artifactId>
   <version>2.4</version>
  </dependency>

  <!-- 引入easyqinyu-tools项目 -->
  <dependency>
   <groupId>com.pay</groupId>
   <artifactId>easyqinyu-tools</artifactId>
   <version>0.0.1-SNAPSHOT</version>
  </dependency>

  <!-- pagehelper分页插件 -->
  <dependency>
   <groupId>com.github.pagehelper</groupId>
   <artifactId>pagehelper</artifactId>
   <version>5.1.2</version>
  </dependency>

  <dependency>
   <groupId>com.github.pagehelper</groupId>
   <artifactId>pagehelper-spring-boot-autoconfigure</artifactId>
   <version>1.2.3</version>
  </dependency>
  <dependency>
   <groupId>com.github.pagehelper</groupId>
   <artifactId>pagehelper-spring-boot-starter</artifactId>
   <version>1.2.3</version>
  </dependency>
  <dependency>
   <groupId>com.qcsoft</groupId>
   <artifactId>qc-swagger-ui</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <scope>compile</scope>
  </dependency>
  <dependency>
   <groupId>com.google.zxing</groupId>
   <artifactId>core</artifactId>
   <version>3.3.0</version>
  </dependency>

  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>fastjson</artifactId>
   <version>RELEASE</version>
   <scope>compile</scope>
  </dependency>

  <dependency>
   <groupId>org.apache.httpcomponents</groupId>
   <artifactId>httpclient</artifactId>
   <version>${httpclient.version}</version>
  </dependency>


  <dependency>
   <groupId>com.google.code.gson</groupId>
   <artifactId>gson</artifactId>
   <version>2.8.2</version>
  </dependency>


  <!--阿里云信息发送-->
  <dependency>
   <groupId>com.aliyun</groupId>
   <artifactId>aliyun-java-sdk-core</artifactId>
   <version>3.3.1</version>
  </dependency>
  <dependency>
   <groupId>com.github.1991wangliang</groupId>
   <artifactId>aliyun-java-sdk-dysmsapi</artifactId>
   <version>1.0.0</version>
  </dependency>

  <dependency>
   <groupId>org.springframework.kafka</groupId>
   <artifactId>spring-kafka</artifactId>
  </dependency>

  <!-- xml解析-->
  <dependency>
   <groupId>com.thoughtworks.xstream</groupId>
   <artifactId>xstream</artifactId>
   <version>1.4.10</version>
  </dependency>

  <!-- dom4j -->
  <dependency>
   <groupId>org.dom4j</groupId>
   <artifactId>dom4j</artifactId>
   <version>2.1.1</version>
  </dependency>

   <dependency>
   <groupId>com.github.binarywang</groupId>
   <artifactId>weixin-java-common</artifactId>
   <version>3.3.4.B</version>
  </dependency>


  <dependency>
   <groupId>org.jodd</groupId>
   <artifactId>jodd-http</artifactId>
   <scope>compile</scope>
  </dependency>

  <dependency>
   <groupId>org.apache.commons</groupId>
   <artifactId>commons-lang3</artifactId>
  </dependency>


  <!-- xml解析-->
  <dependency>
   <groupId>commons-beanutils</groupId>
   <artifactId>commons-beanutils</artifactId>
   <version>1.9.3</version>
  </dependency>

  <dependency>
   <groupId>jdom</groupId>
   <artifactId>jdom</artifactId>
   <version>1.0</version>
  </dependency>


  <dependency>
   <groupId>org.bouncycastle</groupId>
   <artifactId>bcpkix-jdk15on</artifactId>
   <version>1.59</version>
  </dependency>
  <dependency>
   <groupId>org.jodd</groupId>
   <artifactId>jodd-http</artifactId>
   <version>3.7.1</version>
  </dependency>
  <!--二维码工具-->
  <dependency>
   <groupId>com.google.zxing</groupId>
   <artifactId>core</artifactId>
   <version>3.2.1</version>
  </dependency>

  <dependency>
   <groupId>com.qcsoft</groupId>
   <artifactId>qc-commonbean</artifactId>
   <version>0.0.1-SNAPSHOT</version>
  </dependency>

  <dependency>
   <groupId>org.springframework.cloud</groupId>
   <artifactId>spring-cloud-starter-openfeign</artifactId>
  </dependency>
  <!-- xxl-job-core -->
  <dependency>
   <groupId>com.xuxueli</groupId>
   <artifactId>xxl-job-core</artifactId>
   <version>2.0.1</version>
  </dependency>
  <!--线路跟踪-->
  <dependency>
   <groupId>org.springframework.cloud</groupId>
   <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
  </dependency>

  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-actuator</artifactId>
  </dependency>
 </dependencies>


 <dependencyManagement>
  <dependencies>
   <dependency>
    <groupId>org.springframework.cloud</groupId>
    <artifactId>spring-cloud-dependencies</artifactId>
    <version>${spring-cloud.version}</version>
    <type>pom</type>
    <scope>import</scope>
   </dependency>
  </dependencies>
 </dependencyManagement>
 <build>
  <finalName>qc-payment</finalName>
  <plugins>
   <plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
   </plugin>
   <plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-compiler-plugin</artifactId>
    <configuration>
     <source>8</source>
     <target>8</target>
    </configuration>
   </plugin>
  </plugins>
 </build>
</project>

四、程序实现

1、Controller

package com.qcsoft.payment.controller;

import com.alibaba.fastjson.JSON;
import com.qcsoft.commonbean.bean.common.SwaggerConstant;
import com.qcsoft.commonbean.bean.payment.common.PrePayResult;
import com.qcsoft.commonbean.bean.payment.wx.bean.PreOrderParam;
import com.qcsoft.commonbean.bean.payment.wx.exception.WxPayException;
import com.qcsoft.commonbean.bean.payment.wx.util.QrcodeUtils;
import com.qcsoft.easyqinyutools.message.ReturnMsg;
import com.qcsoft.payment.controller.commom.BaseController;
import com.qcsoft.payment.service.PayService;
import com.qcsoft.swaggerui.anno.ApiTag;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.IOException;


/**
 * @Description: 支付控制中心
 * @Author: 
 * @Date: 
 */
@RestController
@RequestMapping("/v2")
public class PayController extends BaseController {
 private static final Logger logger = LoggerFactory.getLogger(PayController.class);

 @Autowired
 private PayService payService;

 //private final AtomicInteger tick = new AtomicInteger();

 /**
  * 统一预支付接口(统一下单)
  *
  * @param orderParam {dh:订单号,payType:支付方式(WXPAY、ALIPAY、MEMBER_CARD、ACCOUNT)，appCode:商家编码,
  *     tradeType:支付方式类型(NATIVE、JSAPI、APP、MWEB)，openId:支付方式为JSAPI必传，reqId:请求的真实IP地址
  *     ,redirectUrl:支付成功返回地址，appCode:商家编码,outTradeNo:商务订单号，timeExpire，订单到期时间
  *     ,totalAmount:订单金额,body:商品简单描述，subject:订单标题,quitUrl:中途退出}
  * @param token  token
  * @return (微信公众号 / 小程序返回一串json字符串 : { appId :, timeStamp :, nonceStr : ， info_package :, paySign :, signType : }, 前端使用微信sdk调用微信支付)
  * (微信扫码支付返回一个连接，前端需要把连接生成一个二维码使用,连接如:weixin://123.123.com/***)
  * (微信H5--返回一个连接，前端需要把连接生成一个连接前端直接跳转该连接使用,使用如:location.href='weixin://123.123.com/***')
  * (支付宝扫码支付--返回一个连接，前端直接跳转到该连接使用,使用如:location.href='weixin://123.123.com/***')
  * (支付宝扫码H5--返回一个页面form表单，前端需要把这个form表单渲染到h5页面上,使用如:$("#view).html(alipayForm)')
  * (支付宝app支付--返回一个参数包，如sdk-version=**&service=**&&service=**&&body=**&&out_trade_no=**&,前端使用支付宝sdk调用app支付')
  * {
  * wxNativeUrl:微信扫码地址
  * wxAppPackage:app支付sdk参数包
  * wxJsapiPackage:公众号支付包
  * wxH5Url:h5支付url
  * wxScanUrl:wxScanUrl
  * alipayScanUrl:支付宝扫码支付url
  * alipayH5Form:支付宝h5支付表单
  * alipayAppParamStr:支付宝app支付参数支付串
  * }
  * @throws WxPayException
  */
 @RequestMapping(value = "/prePayOrder")
 @ApiTag(SwaggerConstant.PAYMENT_001)
 public ReturnMsg prePayOrder(@RequestBody PreOrderParam orderParam) {
  String metadata = JSON.toJSONString(orderParam);
  logger.info("PayController.prePayOrder----\n正在请求支付....，参数为>>>>{}", metadata);
  ReturnMsg ret = new ReturnMsg();
  //预下单
  PrePayResult prePayResult = this.payService.payPreOrder(orderParam);
  ret.setData(prePayResult);
  return ret.success("下单成功，订单有效期为" + orderParam.getTimeExpire());
 }

 /**
  * 生成支付二维码
  *
  * @param url 二维码地址
  * @throws IOException
  */
 @RequestMapping(value = "/createQrCode/url")
 @ApiTag(SwaggerConstant.PAYMENT_001)
 public void createQrCode(@PathVariable String url, HttpServletRequest request, HttpServletResponse response) throws IOException {
  String queryString = request.getQueryString();
  BufferedImage bufferedImage = QrcodeUtils.encode(url+queryString, 500, 500, null, null);
  BufferedImage grayImage = QrcodeUtils.grayImage(bufferedImage);
  ImageIO.write(grayImage, "png", response.getOutputStream());
 }


}

2、PayService

package com.qcsoft.payment.service.impl;

import com.alibaba.fastjson.JSON;
import com.alipay.api.AlipayClient;
import com.qcsoft.commonbean.bean.common.KafkaConstant;
import com.qcsoft.commonbean.bean.payment.ChinaumsConfig;
import com.qcsoft.commonbean.bean.payment.PayLog;
import com.qcsoft.commonbean.bean.payment.common.PayConstant;
import com.qcsoft.commonbean.bean.payment.common.PrePayResult;
import com.qcsoft.commonbean.bean.payment.common.WxPrePayResultPackage;
import com.qcsoft.commonbean.bean.payment.wx.bean.PreOrderParam;
import com.qcsoft.commonbean.bean.payment.wx.bean.request.WxPayUnifiedOrderRequest;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.WxPayUnifiedOrderResult;
import com.qcsoft.commonbean.bean.payment.wx.config.WxPayConfig;
import com.qcsoft.easyqinyutools.utils.JsonUtil;
import com.qcsoft.payment.commns.exception.BaseException;
import com.qcsoft.payment.commns.exception.QYError;
import com.qcsoft.payment.commns.utils.UserUtil;
import com.qcsoft.payment.commns.utils.weixin.PackageUtil;
import com.qcsoft.payment.service.*;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.SortedMap;
import java.util.TreeMap;

@Service
public class PayServiceImpl implements PayService {
 public Logger logger = LoggerFactory.getLogger(getClass());
 @Autowired
 private AliPayService aliPayService;
 @Autowired
 private WxPayService wxPayService;
 @Autowired
 private ChinaumsPayService chinaumsPayService;

 @Autowired
 private UserUtil userUtil;
 @Autowired
 private PayLogService payLogService;


 @Override
 public PrePayResult payPreOrder(PreOrderParam orderParam) throws BaseException {
  logger.info("PayServiceImpl.payPreOrder---->>>>\n准备下单.....，当前用户订单号[{}]", orderParam.getDh());
  String temp = "";
  PrePayResult payResult = new PrePayResult();
  //校验支付方式
  String payType = orderParam.getPayType();
  if (!StringUtils.isNotBlank(payType))
   throw new BaseException(QYError.msg("请选择支付方式!"));
  if (PayConstant.WXPAY.toString().equals(payType)) {
   //查询商家配置信息
   WxPayConfig config;
   if (orderParam.getTradeType().equals(PayConstant.WECHATAPP.toString())) {
    config = wxPayService.getWxMinPayConfigByAppCode(orderParam.getAppCode(), orderParam.getSysSoftwareCode());
   } else {
    config = wxPayService.getWxPayConfigByAppCode(orderParam.getAppCode(), orderParam.getBmCode());
   }
   //设置预支付请求参数
   if (orderParam.getTradeType().equals(PayConstant.WECHATAPP.toString())) {
    orderParam.setTradeType(PayConstant.JSAPI.toString());
   }
   WxPayUnifiedOrderRequest requestParam = wxPayService.packRequestParam(orderParam);
   //开始请求预支付接口
   WxPayUnifiedOrderResult result = wxPayService.wxPrePay(config, requestParam);
   //根据支付类型设置值
   WxPrePayResultPackage resultPackage = null;
   if (orderParam.getTradeType().equals(PayConstant.APP.toString()) || orderParam.getTradeType().equals(PayConstant.JSAPI.toString()) || orderParam.getTradeType().equals(PayConstant.WECHATAPP.toString())) {
    resultPackage = new WxPrePayResultPackage();
    String timeMillis = PackageUtil.getTimeStamp();
    String nonceString = PackageUtil.getNonceStr();
    resultPackage.setAppId(result.getAppid());
    resultPackage.setNonceStr(nonceString);
    resultPackage.setTimeStamp(timeMillis);
    resultPackage.setPrePayId(result.getPrepayId());
    resultPackage.setInfoPackage("prepay_id=" + result.getPrepayId());
    resultPackage.setSignType(requestParam.getSignType());
    if (orderParam.getTradeType().equals(PayConstant.APP.toString())) {
     SortedMap<String, String> returnData = PackageUtil.getReturnData(resultPackage, config.getMchId());
     String paysign = PackageUtil.createSign(returnData, config.getMchKey());
     resultPackage.setPaySign(paysign);
     resultPackage.setInfoPackage(returnData.get("package"));
     payResult.setWxAppPackage(resultPackage);
    } else {
     SortedMap<String, String> paypackageParams = new TreeMap<String, String>();
     paypackageParams.put("appId", result.getAppid()); // appid
     paypackageParams.put("timeStamp", timeMillis); //
     paypackageParams.put("nonceStr", nonceString); //
     paypackageParams.put("package", resultPackage.getInfoPackage()); //
     paypackageParams.put("signType", resultPackage.getSignType());
     String paysign = PackageUtil.createSign(paypackageParams, config.getMchKey());
     resultPackage.setPaySign(paysign);
     payResult.setWxJsapiPackage(resultPackage);
    }
   } else if (orderParam.getTradeType().equals(PayConstant.MWEB.toString())) {
    payResult.setWxH5Url(result.getMwebUrl() + " &redirect_url=" + orderParam.getRedirectUrl());
   } else if (orderParam.getTradeType().equals(PayConstant.NATIVE.toString())) {
    payResult.setWxNativeUrl(result.getCodeURL());
   }
   //添加支付日志
   insertPayLog(orderParam, KafkaConstant.PAYMENT_NOTIFY_001.getTopic(), "0", resultPackage, JSON.toJSONString(config));
   return payResult;
  } else if (PayConstant.ALIPAY.toString().equals(payType)) {
   AlipayClient client = aliPayService.getAlipayClientByAppCode(orderParam.getAppCode());
   if (orderParam.getTradeType().equals(PayConstant.APP.toString())) {
    temp = aliPayService.aliAppPay(client, orderParam);
    payResult.setAlipayAppParamStr(temp);
   } else if (orderParam.getTradeType().equals(PayConstant.MWEB.toString())) {
    temp = aliPayService.aliH5Pay(client, orderParam);
    payResult.setAlipayH5Form(temp);
   } else if (orderParam.getTradeType().equals(PayConstant.NATIVE.toString())) {
    temp = aliPayService.aliScanPay(client, orderParam);
    payResult.setAlipayScanUrl(temp);
   }
   //添加支付日志
   insertPayLog(orderParam, KafkaConstant.PAYMENT_NOTIFY_001.getTopic(), "1", orderParam, JSON.toJSONString(aliPayService.getConfigByAppCode(orderParam.getAppCode())));
   return payResult;
  } else if (PayConstant.WECHATAPP.toString().equals(payType)) {

  } else if (PayConstant.CHINAUMS.toString().equals(payType)) { //银联pos支付
   //查询商家配置信息
   ChinaumsConfig config;
   config = chinaumsPayService.getPayConfigByAppCode(orderParam.getAppCode(), orderParam.getBmCode());
   if (orderParam.getTradeType().equals(PayConstant.CODE_SCAN.toString())) {
    chinaumsPayService.codeScanPay(config, orderParam);
   }
   //添加支付日志
   insertPayLog(orderParam, KafkaConstant.PAYMENT_NOTIFY_001.getTopic(), "3", orderParam, JSON.toJSONString(config));
   return payResult;
  }
  logger.warn("用户未选择正确的支付方式");
  throw new BaseException(QYError.msg("请选择正确的支付方式!"));

 }

 public void insertPayLog(PreOrderParam orderParam, String topic, String moneyType, Object obj, String payConfigJsonStr) {
  PayLog payLog = new PayLog();
  payLog.setAppCode(orderParam.getAppCode());
  payLog.setPayLogId(orderParam.getDh());
  payLog.setMoneyType(moneyType);
  payLog.setMqTopic(topic);
  payLog.setMqStatus(0);
  payLog.setPayNo(orderParam.getDh());
  payLog.setRequest(JsonUtil.toJSon(obj));
  payLog.setFee(orderParam.getTotalAmount());
  payLog.setPayConfigJsonStr(payConfigJsonStr);
  payLogService.saveOrUpdate(payLog);
 }
}

3、AliPayService

package com.qcsoft.payment.service;

import com.alipay.api.AlipayClient;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.alipay.api.response.AlipayTradeQueryResponse;
import com.alipay.api.response.AlipayTradeRefundResponse;
import com.qcsoft.commonbean.bean.payment.AlipayConfig;
import com.qcsoft.commonbean.bean.payment.alipay.AliPayRefundParam;
import com.qcsoft.commonbean.bean.payment.common.PayNotify;
import com.qcsoft.commonbean.bean.payment.wx.bean.PreOrderParam;
import com.qcsoft.easyqinyutools.message.ReturnMsg;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;

public interface AliPayService {
 /**
  *
  * @param alipayClient
  * @param orderParam
  * @param
  * @return
  */
 String aliAppPay(AlipayClient alipayClient,PreOrderParam orderParam);


 String aliScanPay(AlipayClient alipayClient, PreOrderParam orderParam);

 String aliH5Pay(AlipayClient alipayClient, PreOrderParam orderParam);

 void aliPayNotify(PayNotify params);

 boolean rsaCheckV1(HttpServletRequest request,String appCode);

 AlipayTradeQueryResponse aliPayOrderQuery(AlipayClient alipayClient, String out_trade_no);

 AlipayClient getAlipayClientByAppCode(String appCode);

 AlipayConfig getConfigByAppCode(String appCode);

 /**
  * 支付宝退款接口
  * @param aliPayRefundParam
  * @return
  */
 ReturnMsg aliPayRefund(AliPayRefundParam aliPayRefundParam);

}

AliPayServiceImpl

package com.qcsoft.payment.service.impl;

import com.alibaba.fastjson.JSON;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.domain.AlipayTradeAppPayModel;
import com.alipay.api.domain.AlipayTradePrecreateModel;
import com.alipay.api.domain.AlipayTradeRefundModel;
import com.alipay.api.domain.AlipayTradeWapPayModel;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.*;
import com.alipay.api.response.*;
import com.qcsoft.commonbean.bean.payment.AlipayConfig;
import com.qcsoft.commonbean.bean.payment.alipay.AliPayRefundParam;
import com.qcsoft.commonbean.bean.payment.common.PayConstant;
import com.qcsoft.commonbean.bean.payment.common.PayNotify;
import com.qcsoft.commonbean.bean.payment.wx.bean.PreOrderParam;
import com.qcsoft.easyqinyutools.message.ReturnMsg;
import com.qcsoft.payment.commns.exception.BaseException;
import com.qcsoft.payment.commns.exception.QYError;
import com.qcsoft.payment.commns.utils.DateUtils;
import com.qcsoft.payment.commns.utils.RedisUtil;
import com.qcsoft.payment.service.AliPayService;
import com.qcsoft.payment.service.AlipayConfigService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletRequest;
import java.net.URLEncoder;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

/**
 * 支付宝相关业务实现类
 */
@Service
public class AliPayServiceImpl implements AliPayService {
 private static final Logger logger = LoggerFactory.getLogger(AliPayServiceImpl.class);
 @Autowired
 private AlipayConfigService alipayConfigService;
 @Autowired
 private RedisUtil redisUtil;
 @Value("${payNotifyUrl}")
 private String notifyUrl;

 /**
  * APP支付
  * 参数加签
  */
 @Override
 public String aliAppPay(AlipayClient alipayClient, PreOrderParam orderParam) {
  logger.info("AliPayServiceImpl.aliAppPay--->>>\n支付宝预支付开始，\n支付类型为:APP支付,\n订单号为:{}", orderParam.getDh());
  Date date = new Date();
  AlipayTradeAppPayResponse response = null;
  // 发起App支付请求
  AlipayTradeAppPayModel model = new AlipayTradeAppPayModel();
  // 订单描述
  model.setBody(orderParam.getBody());
  // 订单标题
  model.setSubject(orderParam.getSubject());
  // 商户订单号 就是商户后台生成的订单号
  model.setOutTradeNo(orderParam.getOutTradeNo());
  // 该笔订单允许的最晚付款时间，逾期将关闭交易。取值范围：1m～15d。m-分钟，h-小时，d-天，1c-当天 (屁股后面的字母一定要带，不然报错)
  model.setTimeoutExpress(DateUtils.toString(date, orderParam.getTimeExpire()));
  // 订单总金额 ，默认单位为元，精确到小数点后两位，取值范围[0.01,100000000]
  model.setTotalAmount(orderParam.getTotalAmount().toString());
  // 销售产品码
  model.setProductCode(PayConstant.ALIPAY_QUICK_WAP_WAY.getKey());
  AlipayTradeAppPayRequest request = new AlipayTradeAppPayRequest();
  request.setBizModel(model);
  // request.setNotifyUrl("商户外网可以访问的异步地址，不写就是不回调");
  request.setNotifyUrl(notifyUrl + PayConstant.ALIPAY_05.getKey() + "/" + orderParam.getAppCode() + "/" + orderParam.getDh());
  //支付成功返回地址
  request.setReturnUrl(orderParam.getRedirectUrl());
  // 通过api的方法请求阿里接口获得反馈
  logger.info("AliPayServiceImpl.aliAppPay----->\n支付宝预支付接口请求信息:{}", JSON.toJSONString(request));
  try {
   response = alipayClient.sdkExecute(request);
  } catch (AlipayApiException e) {
   logger.info("AliPayServiceImpl.aliAppPay----->\n支付宝预下单失败,\n本次下单的订单号为:{},\n相关报错信息为:{}", orderParam.getDh(), response, e);
   throw new BaseException(QYError.msg("调用支付宝预下单接口失败![" + e.getMessage() + "]"));
  }

  logger.info("AliPayServiceImpl.aliAppPay----->\n支付宝预支付接口返回信息:{}", JSON.toJSONString(response));
  if (response.isSuccess()) {
   logger.info("AliPayServiceImpl.aliAppPay----->\n支付宝预下单成功,\n本次下单的订单号为:{},商户订单号为:{}", orderParam.getDh(), orderParam.getOutTradeNo());
  } else {
   logger.error("AliPayServiceImpl.aliAppPay----->\n调用支付宝预下单接口失败!\n具体信息为:\n{}", response.getBody());
   throw new BaseException(QYError.msg("调用支付宝预下单接口失败![" + response.getMsg() + "]"));
  }
  return response.getBody();
 }


 /**
  * 扫码支付
  * 参数加签
  */
 @Override
 public String aliScanPay(AlipayClient alipayClient, PreOrderParam orderParam) {
  logger.info("AliPayServiceImpl.aliScanPay--->>>\n支付宝预支付开始，\n支付类型为:扫码支付,\n订单号:{}", orderParam.getDh());
  /* AlipayTradePagePayResponse response = null;*/
  AlipayTradePrecreateResponse response = null;
  Date date = new Date();
  /**
   * 设置请求model参数(body、subject、outTradeNo、totalAmount、timeoutExpress；必传)
   */
  AlipayTradePrecreateModel model = new AlipayTradePrecreateModel();
  // 订单描述
  model.setBody(orderParam.getBody());
  // 订单标题
  model.setSubject(orderParam.getBody());
  // 商户订单号 就是商户后台生成的订单号
  model.setOutTradeNo(orderParam.getOutTradeNo());
  // 该笔订单允许的最晚付款时间，逾期将关闭交易。取值范围：1m～15d。m-分钟，h-小时，d-天，1c-当天 (屁股后面的字母一定要带，不然报错)
  model.setTimeoutExpress(orderParam.getTimeExpire());
  //model.setSellerId(DateUtils.toString(date, "yyyyMMddHHmmssSSS"));
  // 订单总金额 ，默认单位为元，精确到小数点后两位，取值范围[0.01,100000000]
  model.setTotalAmount(orderParam.getTotalAmount().toString());
  //model.setProductCode(PayConstant.ALIPAY_FAST_INSTANT_TRADE_PAY.getKey());
  // 选填
  /**
   * 创建支付宝扫码支付请求接口类，设置相关请求处理信息，准备请求下单
   */
  AlipayTradePrecreateRequest request = new AlipayTradePrecreateRequest();
  request.setBizModel(model);
  // request.setNotifyUrl("商户外网可以访问的异步地址，不写就是不回调");
  request.setNotifyUrl(notifyUrl + PayConstant.ALIPAY_05.getKey() + "/" + orderParam.getAppCode() + "/" + orderParam.getDh());

  //支付成功返回地址
  request.setReturnUrl(orderParam.getRedirectUrl());
  // 通过api的方法请求阿里接口获得反馈 alipayClient.pageExecute(request)
  try {
   logger.info("支付宝扫码付请求报文：{}",JSON.toJSONString(request));
   response = alipayClient.execute(request)/**/;
  } catch (AlipayApiException e) {
   logger.info("AliPayServiceImpl.aliScanPay----->\n支付宝预下单失败,\n本次下单的订单号:{},\n相关报错信息为:{}", orderParam.getDh(), response, e);
   throw new BaseException(QYError.msg("调用支付宝预下单接口失败![" + e.getMessage() + "]"));
  }catch (Exception e){
   e.printStackTrace();
   throw new BaseException(QYError.msg("调用支付宝预下单接口失败![" + e.getMessage() + "]"));
  }

  //打印返回信息
  logger.info("AliPayServiceImpl.aliScanPay----->\n支付宝预支付接口返回信息:{}", JSON.toJSONString(response));
  //判断预下单返回状态
  if (response.isSuccess()) {
   logger.info("AliPayServiceImpl.aliScanPay----->\n支付宝预下单成功,\n本次下单的订单号:{},商务订单号为", orderParam.getDh(), orderParam.getOutTradeNo());
  } else {
   logger.error("AliPayServiceImpl.aliScanPay----->\n调用支付宝预下单接口失败!\n具体信息:\n{}", response.getBody());
   throw new BaseException(QYError.msg("调用支付宝预下单接口失败![" + response.getMsg() + "]"));
  }

  return response.getQrCode();
 }


 /**
  * H5支付
  * 参数加签
  */
 @Override
 public String aliH5Pay(AlipayClient alipayClient, PreOrderParam orderParam) {
  logger.info("AliPayServiceImpl.aliH5Pay--->>>\n支付宝预支付开始，\n支付类型为:H5支付,\n订单号:{}", orderParam.getDh());
  String form = "";
  AlipayTradeWapPayResponse response = null;
  /**
   * 封装请求支付信息
   */
  AlipayTradeWapPayModel payModel = new AlipayTradeWapPayModel();
  payModel.setOutTradeNo(orderParam.getOutTradeNo());
  payModel.setSubject(orderParam.getBody());
  payModel.setTotalAmount(orderParam.getTotalAmount().toString());
  payModel.setBody(orderParam.getBody());
  payModel.setTimeoutExpress(orderParam.getTimeExpire());
  payModel.setProductCode(PayConstant.ALIPAY_QUICK_WAP_WAY.getKey());
  payModel.setQuitUrl(URLEncoder.encode(orderParam.getQuitUrl()));
  /**
   * 创建支付宝H5支付请求接口类，设置相关请求处理信息，准备请求下单
   */
  AlipayTradeWapPayRequest alipay_request = new AlipayTradeWapPayRequest();
  alipay_request.setBizModel(payModel);
  // 设置异步通知地址
  logger.info("通知地址{}", notifyUrl + PayConstant.ALIPAY_05.getKey() + "/" + orderParam.getAppCode() + "/" + orderParam.getDh());
  alipay_request.setNotifyUrl(notifyUrl + PayConstant.ALIPAY_05.getKey() + "/" + orderParam.getAppCode() + "/" + orderParam.getDh());
  // 设置同步地址
  alipay_request.setReturnUrl(URLEncoder.encode(orderParam.getRedirectUrl()));
  // 调用SDK生成表单
  try {
   response = alipayClient.pageExecute(alipay_request);
   if (response.isSuccess()) {
    form = response.getBody();
    logger.info("AliPayServiceImpl.aliH5Pay----->>>>\n支付宝预支付接口返回信息:{}", JSON.toJSONString(response));
   } else {
    logger.info("AliPayServiceImpl.aliH5Pay----->>>>\n支付宝预支付接口返回信息:{}", JSON.toJSONString(response));
    throw new BaseException(QYError.msg("支付宝"));
   }

  } catch (AlipayApiException e) {
   logger.info("AliPayServiceImpl.aliH5Pay----->>>>\n支付宝预支付接口返回信息:{}", JSON.toJSONString(response));
   throw new BaseException(QYError.msg("调用支付宝预下单接口失败![" + e.getMessage() + "]"));
  }
  logger.info("AliPayServiceImpl.aliH5Pay----->>>>\n支付宝预支付接口返回信息:{}", JSON.toJSONString(response));
  /**
   * 打印日志，并返回链接
   */
  return form;
 }

 /**
  * 支付宝通知
  *
  * @param params
  */
 @Override
 public void aliPayNotify(PayNotify params) {
  logger.info("AliPayServiceImpl.appAliPayNotify-\n阿里服务器消费手机回调参数获取和参数判断-------》》》");
  /**
   * 打印信息
   */
  //校验支付金额
  /*ReturnMsg returnMsg = restTemplate.postForEntity(params.getNoOrderAmountUrl(), params, ReturnMsg.class).getBody();
  if (!returnMsg.isSuccess()) {
   logger.info("WxPayController.wxPayNotify-->\n校验订单金额失败，请核实商务订单号:{}", params);
   throw new BaseException(QYError.msg("校验订单金额失败!商务订单号[" + params.getOutTradeNo() + "]"));
  }*/
  /**
   * 判断支付状态
   */
  if (params.getTradeStatus().equals("TRADE_SUCCESS")) {
   logger.info("AliPayServiceImpl.appAliPayNotify----\n支付宝支付成功!商务订单号[{}]----->>", params.getOutTradeNo(), JSON.toJSONString(params));
  } else {
   logger.error("AliPayServiceImpl.appAliPayNotify---\n支付宝支付失败!商务订单号[{}]---->>", params.getOutTradeNo());
   throw new BaseException(QYError.msg("支付宝支付失败!商务订单号[" + params.getOutTradeNo() + "]"));
  }
 }

 @Override
 public boolean rsaCheckV1(HttpServletRequest request, String appCode) {
  //获取支付宝GET过来反馈信息
  Map<String, String> params = new HashMap<String, String>();
  // 签名验证(对支付宝返回的数据验证，确定是支付宝返回的)
  boolean result = false;
  try {
   // 从支付宝回调的request域中取值
   Map<String, String[]> requestParams = request.getParameterMap();
   for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
    String name = iter.next();
    String[] values = (String[]) requestParams.get(name);
    String valueStr = "";
    for (int i = 0; i < values.length; i++) {
     valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
    }
    params.put(name, valueStr);
   }
   logger.info("AliPayServiceImpl.appAliPayNotify--\n支付宝通知数据包----->>>>>>>>>>>>>>>{}", JSON.toJSONString(params));
   // 商家编码

   AlipayConfig alipayConfig = getConfigByAppCode(appCode);
   result = AlipaySignature.rsaCheckV1(params, alipayConfig.getAliPublicKey(),
     PayConstant.ALIPAY_CHARSET.getKey(), PayConstant.ALIPAY_SIGN_TYPE_RSA2.getKey());
  } catch (Exception e) {
   logger.error("AliPayServiceImpl.appAliPayNotify---\n校验签名失败!商务订单号[{}]---->>", JSON.toJSONString(request), e);
   throw new BaseException(QYError.msg("支付宝支付校验签名失败!"));
  }
  return result;
 }

 /**
  * 根据商务订单号查询查询支付信息
  *
  * @param alipayClient
  * @param out_trade_no
  * @return
  */
 @Override
 public AlipayTradeQueryResponse aliPayOrderQuery(AlipayClient alipayClient, String out_trade_no) {
  logger.info("AliPayServiceImpl.aliPayOrderQuery----\n根据商务订单号查询支付宝订单信息,\n商务订单号:[{}]----》》》", out_trade_no);
  AlipayTradeQueryResponse response = null;
  AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
  //设置查询参数
  Map<String, String> bizModel = new HashMap<>();
  bizModel.put("out_trade_no", out_trade_no);
  request.setBizContent(JSON.toJSONString(bizModel));
  //开始查询
  try {
   response = alipayClient.execute(request);
  } catch (AlipayApiException e) {
   logger.error("AliPayServiceImpl.aliPayOrderQuery--->>\n支付宝订单查询失败,\n商务订单号:[{}]", out_trade_no);
   throw new BaseException(QYError.msg("订单号[" + out_trade_no + "],订单支付失败,状态码为[" + response.getTradeStatus() + "]"));
  }

  logger.info("AliPayServiceImpl.aliPayOrderQuery---->>\n查询支付宝订单信息,\n商务订单号:[{}],\n返回信息:{}", out_trade_no, JSON.toJSONString(response));
  //查询状态处理
  if (response.isSuccess()) {
   logger.info("AliPayServiceImpl.aliPayOrderQuery--->>\n支付宝订单查询成功,\n商务订单号:[{}]", out_trade_no);
  } else {
   logger.error("AliPayServiceImpl.aliPayOrderQuery--->>\n支付宝订单查询失败,\n商务订单号:[{}]", out_trade_no);
   throw new BaseException(QYError.msg("订单号[" + out_trade_no + "],订单支付失败,状态码为[" + response.getTradeStatus() + "]"));
  }

  return response;
 }


 /**
  * 根据商家编码设置alipay配置信息
  *
  * @param appCode 商家编码
  * @return
  */
 @Override
 public AlipayClient getAlipayClientByAppCode(String appCode) {
  logger.info("AliPayServiceImpl.getAlipayClientByAppCode--->>\n获取支付宝配置信息:[{}]", appCode);
  AlipayConfig alipayConfig = null;
  /**
   * 获取商家支付宝配置信息(优先级:1-redis,2-mysql，3-用户系统)
   */
  try {
   alipayConfig = getConfigByAppCode(appCode);
   if (alipayConfig == null) {
    logger.info("AliPayServiceImpl.getAlipayClientByAppCode--->>\n获取支付宝支付配置信息失败:[{}]", appCode);
    logger.info("AliPayServiceImpl.getAlipayClientByAppCode--->>\n获取支付宝支付配置信息失败:[{}{}]", appCode,alipayConfig);
    throw new BaseException(QYError.msg("获取支付宝支付配置信息失败!"));
   }
  } catch (Exception e) {
   logger.error("AliPayServiceImpl.getAlipayClientByAppCode--->>\n获取支付宝配置信息失败:[{}]", e);
   throw new BaseException(QYError.msg("获取支付宝配置信息失败!"));
  }
  AlipayClient alipayClient = new DefaultAlipayClient(
    PayConstant.ALIPAY_01.getKey(),
    alipayConfig.getAliAppid(),
    alipayConfig.getAliPrivateKey(),
    PayConstant.ALIPAY_FORMAT.getKey(),
    PayConstant.ALIPAY_CHARSET.getKey(),
    alipayConfig.getAliPublicKey(),
    PayConstant.ALIPAY_SIGN_TYPE_RSA2.getKey());
  return alipayClient;
 }

 //获取商家支付宝的配置信息
 public AlipayConfig getConfigByAppCode(String appCode) {
  AlipayConfig alipayConfig = alipayConfigService.selectByAppCode(appCode);
  return alipayConfig;
 }


 /**
  * 支付宝退款接口
  * @param aliPayRefundParam
  * @return
  */
 public ReturnMsg aliPayRefund(AliPayRefundParam aliPayRefundParam){
  ReturnMsg returnMsg=new ReturnMsg();

  String appCode=aliPayRefundParam.getAppCode();
  AlipayClient alipayClient = getAlipayClientByAppCode(appCode);

  AlipayTradeRefundResponse response = null;
  AlipayTradeRefundModel model = new AlipayTradeRefundModel();
  //订单支付时传入的商户订单号,不能和 trade_no同时为空。
  model.setOutTradeNo(aliPayRefundParam.getOutTradeNo());
  //支付宝交易号，和商户订单号不能同时为空
  //model.setTradeNo(aliPayRefundParam.getTradeNo());
  //标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传。
  model.setOutRequestNo(aliPayRefundParam.getOutRequestNo());
  //	需要退款的金额，该金额不能大于订单金额,单位为元，支持两位小数
  model.setRefundAmount(aliPayRefundParam.getRefundAmount());
  //退款的原因说明
  model.setRefundReason(aliPayRefundParam.getRefundReason());

  /**
   * 创建支付宝扫码支付请求接口类，设置相关请求处理信息，准备请求下单
   */
  AlipayTradeRefundRequest request = new AlipayTradeRefundRequest();
  request.setBizModel(model);
  //商户外网可以访问的异步地址，不写就是不回调
  request.setNotifyUrl(notifyUrl + PayConstant.ALIPAY_05.getKey() + "/" + aliPayRefundParam.getAppCode() + "/" + aliPayRefundParam.getDh());
  //支付成功返回地址
  request.setReturnUrl(aliPayRefundParam.getRedirectUrl());

  // 通过api的方法请求阿里接口获得反馈 alipayClient.pageExecute(request)
  try {
   logger.info("支付宝退款请求完整报文：{}",JSON.toJSONString(request));
   response = alipayClient.execute(request)/**/;
  } catch (AlipayApiException e) {
   logger.info("支付宝退款失败,\n本次下单的订单号:{},\n相关报错信息为:{}", aliPayRefundParam.getDh(), response, e);
   throw new BaseException(QYError.msg("调用支付宝预退款失败![" + e.getMessage() + "]"));
  }catch (Exception e){
   e.printStackTrace();
   throw new BaseException(QYError.msg("支付宝预退款失败![" + e.getMessage() + "]"));
  }

  //打印返回信息
  logger.info("支付宝退款失败:{}", JSON.toJSONString(response));
  //判断预下单返回状态
  if (response.isSuccess()&&"Y".equals(response.getFundChange())) {
   logger.info("AliPayServiceImpl.aliScanPay----->\n支付宝退款成功,\n本次下单的订单号:{},商务订单号为，{}", aliPayRefundParam.getDh(), aliPayRefundParam.getOutTradeNo());
   return returnMsg.setData("退款成功");

  } else {
   logger.error("AliPayServiceImpl.aliScanPay----->\n调用支付宝退款接口失败!\n具体信息:\n{}", response.getBody());
   throw new BaseException(QYError.msg("调用支付宝退款接口失败![" + response.getBody() + "]"));
  }
 }

}

4、WxPayService

package com.qcsoft.payment.service;

import com.qcsoft.commonbean.bean.payment.WxMinConfig;
import com.qcsoft.commonbean.bean.payment.wx.bean.PreOrderParam;
import com.qcsoft.commonbean.bean.payment.wx.bean.WxRefund;
import com.qcsoft.commonbean.bean.payment.wx.bean.entpay.EntPayParam;
import com.qcsoft.commonbean.bean.payment.wx.bean.entpay.EntPayResult;
import com.qcsoft.commonbean.bean.payment.wx.bean.request.WxPayUnifiedOrderRequest;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.BaseWxPayResult;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.WxPayOrderQueryResult;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.WxPayUnifiedOrderResult;
import com.qcsoft.commonbean.bean.payment.wx.config.WxPayConfig;
import com.qcsoft.commonbean.bean.payment.wx.exception.WxPayException;


/**
 * 微信预支付
 * @param appId 应用ID(微信公众号)
 * @param mchId 商务号ID
 * @param mchKey 商务号密钥
 * @param notifyUrl 异步通知地址
 * @param signType 签名类型
 * @param body 描述
 * @param totalFee 金额
 * @param spbillCreateIp app和h5支付需要用户的真实请求地址
 * @param tradeType
 * @param outTradeNo
 * @return
 */
public interface WxPayService {
 /**
  *
  * @param config {appId:应用ID,mchId:商务号ID,mchKey:商务号密钥,notifyUrl:异步通知地址,signType:签名类型}
  * @param request {body:订单描述,totalFee:金额,
  *    spbillCreateIp:app和h5支付需要用户的真实请求地址Native支付填调用微信支付API的机器IP,
  *    tradeType:SAPI--公众号支付、NATIVE--原生扫码支付、APP--app支付，统一下单接口trade_type的传参可参考这里,
  *    outTradeNo:商户订单号，productId：商品Id(扫码支付必传，其他选填),openid:公众号openId}
  * @return
  */
 WxPayUnifiedOrderResult wxPrePay(WxPayConfig config, WxPayUnifiedOrderRequest request);

 /**
  * 根据appCode获取商家微信支付配置
  * @param appCode
  * @return
  */
 WxPayConfig getWxPayConfigByAppCode(String appCode,String bmCode);

 WxPayConfig getWxMinPayConfigByAppCode(String appCode,String sysSoftwareCode);

 /**
  * 封装预下单参数实体
  * @param orderParam 预支付接口参数实体
  * @param order 点单
  * @return
  */
 WxPayUnifiedOrderRequest packRequestParam(PreOrderParam orderParam);


 /**
  * 查询订单
  * @param appCode 商家编码
  * @param dh 订单号
  * @param sysSoftwareCode
  */
 WxPayOrderQueryResult wxPayOrderQuery(String appCode, String bmCode, String dh, Integer type, String sysSoftwareCode);


 /**
  * 企业支付
  * @param params
  * @return:
  * @Author: 
  * @date: 
  */
 BaseWxPayResult entPay(EntPayParam params) throws WxPayException;
}

WxPayServiceImpl

package com.qcsoft.payment.service.impl;

import com.alibaba.fastjson.JSON;
import com.qcsoft.commonbean.bean.payment.PayLog;
import com.qcsoft.commonbean.bean.payment.WxConfig;
import com.qcsoft.commonbean.bean.payment.WxMinConfig;
import com.qcsoft.commonbean.bean.payment.common.PayConstant;
import com.qcsoft.commonbean.bean.payment.common.PayNotify;
import com.qcsoft.commonbean.bean.payment.wx.bean.PreOrderParam;
import com.qcsoft.commonbean.bean.payment.wx.bean.entpay.*;
import com.qcsoft.commonbean.bean.payment.wx.bean.request.WxPayOrderQueryRequest;
import com.qcsoft.commonbean.bean.payment.wx.bean.request.WxPayUnifiedOrderRequest;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.BaseWxPayResult;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.WxPayOrderQueryResult;
import com.qcsoft.commonbean.bean.payment.wx.bean.result.WxPayUnifiedOrderResult;
import com.qcsoft.commonbean.bean.payment.wx.config.WxPayConfig;
import com.qcsoft.commonbean.bean.payment.wx.exception.WxPayException;
import com.qcsoft.commonbean.bean.payment.wx.handler.EntPayHandler;
import com.qcsoft.commonbean.bean.payment.wx.handler.WxPayHandler;
import com.qcsoft.commonbean.bean.payment.wx.handler.impl.EntPayHandlerImpl;
import com.qcsoft.commonbean.bean.payment.wx.handler.impl.WxPayHandlerApacheHttpImpl;
import com.qcsoft.payment.commns.exception.BaseException;
import com.qcsoft.payment.commns.exception.QYError;
import com.qcsoft.payment.commns.utils.DateUtils;
import com.qcsoft.payment.commns.utils.RedisUtil;
import com.qcsoft.payment.service.PayLogService;
import com.qcsoft.payment.service.WxConfigService;
import com.qcsoft.payment.service.WxMinConfigService;
import com.qcsoft.payment.service.WxPayService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.Date;

@Service
@Slf4j
public class WxPayServiceImpl implements WxPayService {
 private static final Logger logger = LoggerFactory.getLogger(WxPayServiceImpl.class);

 @Value("${payNotifyUrl}")
 private String notifyUrl;
 @Autowired
 private RedisUtil redisUtil;
 @Autowired
 private WxConfigService wxConfigService;
 @Autowired
 private WxMinConfigService wxMinConfigService;
 @Autowired
 private PayLogService payLogService;

 /**
  * @param config {appId:应用ID,mchId:商务号ID,mchKey:商务号密钥,notifyUrl:异步通知地址,signType:签名类型}
  * @param request {body:订单描述,totalFee:金额,
  *    spbillCreateIp:app和h5支付需要用户的真实请求地址Native支付填调用微信支付API的机器IP,
  *    tradeType:SAPI--公众号支付、NATIVE--原生扫码支付、APP--app支付，统一下单接口trade_type的传参可参考这里,
  *    outTradeNo:商户订单号，productId：商品Id(扫码支付必传，其他选填),openid:公众号openId} 还有很多参数选填
  * @return
  * @throws WxPayException
  */
 @Override
 public WxPayUnifiedOrderResult wxPrePay(WxPayConfig config, WxPayUnifiedOrderRequest request) {
  logger.info("WxPayServiceImpl.wxPrePay--->>\n微信预支付,\n商务订单号:[{}]", request.getOutTradeNo());
  WxPayHandler wx = new WxPayHandlerApacheHttpImpl();
  WxPayUnifiedOrderResult orderResult = null;
  wx.setConfig(config);
  log.info("WxPayUnifiedOrderResult ={}", config.getNotifyUrl());
  try {
   orderResult = wx.unifiedOrder(request);
  } catch (WxPayException e) {
   logger.error("WxPayServiceImpl.wxPrePay--->>\n微信预支付失败,\n商务订单号:[{}]", request.getOutTradeNo(), orderResult);
   logger.error("异常信息{}", e.getMessage());
   throw new BaseException(QYError.msg("订单号[" + request.getOutTradeNo() + "]预支付失败!"));
  }
  return orderResult;
 }


 /**
  * 根据商家编码获取微信商户配置信息
  *
  * @param appCode
  * @return
  */
 @Override
 public WxPayConfig getWxPayConfigByAppCode(String appCode, String bmCode) {
  logger.info("WxPayServiceImpl.getWxPayConfigByAppCode--->>\n获取微信支付配置信息:appCode[{}],bmCode[{}]", appCode, bmCode);
  WxConfig config = null;
  WxPayConfig wxPayConfig = new WxPayConfig();
  /**
   * 获取商家支付宝配置信息(优先级:1-redis,2-mysql，3-用户系统)
   */
  try {
   //2、mysql
   if (config == null) {
    if (StringUtils.isNotBlank(bmCode)) {
     config = wxConfigService.selectByBmCode(bmCode, appCode);
     //如果部门取不到，则去商家的配置
     if (config == null)
      config = wxConfigService.selectByAppCode(appCode);
    } else {
     config = wxConfigService.selectByAppCode(appCode);
    }
   }
   if (config == null) {
    logger.warn("WxPayServiceImpl.getWxPayConfigByAppCode--->>\n获取微信支付配置信息失败:[{}]", appCode);
    throw new BaseException(QYError.msg("获取微信支付配置信息失败!"));
   }
  } catch (Exception e) {
   logger.error("WxPayServiceImpl.getWxPayConfigByAppCode--->>\n获取微信支付配置信息失败:[{}]", e);
   throw new BaseException(QYError.msg("获取微信支付配置信息失败!"));
  }
  //根据appCode查询商家微信配置信息
  wxPayConfig.setAppId(config.getAppid());
  wxPayConfig.setMchId(config.getMchId());
  wxPayConfig.setMchKey(config.getMchKeySecret());
  wxPayConfig.setSignType(PayConstant.WXPAY_SIGNTYPE_MD5.getKey());
  wxPayConfig.setKeyUrl(config.getCrtPath());
  wxPayConfig.setKeyPath(config.getCrtPath());
  log.info("获取微信公众号配置为 [{}],转为微信支付实体为 [{}]",config,wxPayConfig);
  return wxPayConfig;
 }


 @Override
 public WxPayConfig getWxMinPayConfigByAppCode(String appCode, String sysSoftwareCode) {
  logger.error("WxPayServiceImpl.getWxMinPayConfigByAppCode--->>\n获取微信小程序支付配置信息:[{}]", appCode);
  if (StringUtils.isBlank(sysSoftwareCode)) {
   sysSoftwareCode = "store-service";
  }
  WxMinConfig config = null;
  WxPayConfig wxPayConfig = new WxPayConfig();
  /**
   * 获取商家支付宝配置信息(优先级:1-redis,2-mysql，3-用户系统)
   */
  try {
   if (config == null) {
    //config = wxMinConfigService.selectByAppCode(appCode);
    config = wxMinConfigService.selectBySysSoftwareCode(appCode,sysSoftwareCode);
   }
   if (config == null) {
    logger.warn("WxPayServiceImpl.getWxMinPayConfigByAppCode--->>\n获取微信小程序支付配置信息失败:[{}]", appCode);
    throw new BaseException(QYError.msg("获取微信支付配置信息失败!"));
   }
  } catch (Exception e) {
   logger.error("WxPayServiceImpl.getWxMinPayConfigByAppCode--->>\n获取微信小程序支付配置信息失败:[{}]", e);
   throw new BaseException(QYError.msg("获取微信小程序支付配置信息失败!"));
  }
  //根据appCode查询商家微信配置信息
  wxPayConfig.setAppId(config.getAppid());
  wxPayConfig.setMchId(config.getMchId());
  wxPayConfig.setMchKey(config.getMchKeySecret());
  wxPayConfig.setSignType(PayConstant.WXPAY_SIGNTYPE_MD5.getKey());
  wxPayConfig.setKeyUrl(config.getCrtPath());
  wxPayConfig.setKeyPath(config.getCrtPath());
  log.info("获取微信小程序退款配置为 [{}],转为微信支付实体为 [{}]",config,wxPayConfig);
  return wxPayConfig;
 }

 /**
  * 封装预下单参数实体
  *
  * @param orderParam 预支付接口参数实体
  * @param order  点单
  * @return
  */
 @Override
 public WxPayUnifiedOrderRequest packRequestParam(PreOrderParam orderParam) {
  Date date = new Date();
  BigDecimal paramAmount = new BigDecimal(orderParam.getTotalAmount().toString());
  BigDecimal multiplyNum = new BigDecimal("100");
  WxPayUnifiedOrderRequest request = WxPayUnifiedOrderRequest.newBuilder()
    .body(orderParam.getBody())
    .totalFee(paramAmount.multiply(multiplyNum).intValue())
    .spbillCreateIp(orderParam.getReqId())
    .notifyUrl(notifyUrl + PayConstant.WXPAY_09.getKey())
    .tradeType(orderParam.getTradeType())
    .outTradeNo(orderParam.getOutTradeNo())
    .build();
  log.info("WxPayUnifiedOrderRequest = {}", PayConstant.WXPAY_09.getKey());

  request.setProductId(orderParam.getDh());
  request.setDetail(orderParam.getSubject());
  PayNotify payNotify = new PayNotify();
  payNotify.setAppCode(orderParam.getAppCode());
  payNotify.setCode(orderParam.getBmCode());
  payNotify.setDh(orderParam.getDh());
  request.setAttach(JSON.toJSONString(payNotify));
  if (orderParam.getTradeType().equals(PayConstant.JSAPI.toString())) {
   request.setOpenid(orderParam.getOpenId());
  }
  //开始时间
  request.setTimeStart(DateUtils.getLastMinute(date, 0));
  //有效期
  request.setTimeExpire(orderParam.getTimeExpire());
  return request;
 }

 /**
  * 订单查询
  *
  * @param appCode 商家编码
  * @param dh  订单号
  * @param sysSoftwareCode
  * @return
  */
 @Override
 public WxPayOrderQueryResult wxPayOrderQuery(String appCode, String bmCode, String dh, Integer type, String sysSoftwareCode) {
  logger.info("WxPayServiceImpl.wxPayOrderQuery--->>\n微信订单查询,\n本次查询的商家编码为:[{}],商务订单号:[{}]", appCode, dh);
  WxPayHandler handler = new WxPayHandlerApacheHttpImpl();
  WxPayOrderQueryRequest request = new WxPayOrderQueryRequest();
  WxPayOrderQueryResult queryResult = null;
  WxPayConfig config = null;


  try {
   PayLog payLog = payLogService.selectByDh(dh);
   if (payLog==null) {
    //商家的微信支付
    if (type == null || type == 1) {
     bmCode = null;
     config = this.getWxPayConfigByAppCode(appCode, bmCode);
     //部门的微信支付支付
    } else if (type == 2) {
     config = this.getWxPayConfigByAppCode(appCode, bmCode);
     //商家小程序支付
    } else if (type == 3) {
     config = this.getWxMinPayConfigByAppCode(appCode,sysSoftwareCode);
    }
   }else{
    config = JSON.parseObject(payLog.getPayConfigJsonStr(), WxPayConfig.class);
   }
   request.setOutTradeNo(dh);
   handler.setConfig(config);
   queryResult = handler.queryOrder(request);
   logger.info("WxPayServiceImpl.wxPayOrderQuery--->>\n微信订单查询成功,\n返回包信息:[{}]", JSON.toJSONString(queryResult));
  } catch (WxPayException e) {
   logger.error("WxPayServiceImpl.wxPayOrderQuery--->>\n微信订单查询失败,\n商务订单号:[{}]", dh);
   throw new BaseException(QYError.msg("微信订单查询失败,商务订单号:[{}]" + dh + ""));
  }
  return queryResult;
 }
 /**
  * 企业支付
  * @param params
  * @return: com.qcsoft.commonbean.bean.payment.wx.bean.result.BaseWxPayResult
  * @Author: 
  * @date:
  */
 @Override
 public BaseWxPayResult entPay(EntPayParam params) throws WxPayException {
  WxPayHandler wxPayHandler = new WxPayHandlerApacheHttpImpl();
  WxPayConfig config = null;
  EntPayResult result = null;
  EntPayBankResult bankResult = null;
  if (params.getTradeType() != null && params.getTradeType() == 3) {
   config = this.getWxMinPayConfigByAppCode(params.getAppCode(),params.getSysSoftwareCode());
  } else {
   config = this.getWxPayConfigByAppCode(params.getAppCode(), params.getBmCode());
  }
  config.setUseKey(true);
  wxPayHandler.setConfig(config);
  if (params.getTradeType()==1) {
   EntPayRequest request = packEntPayRequest(params,config);
   EntPayHandler entPayHandler = new EntPayHandlerImpl(wxPayHandler);

   result = entPayHandler.entPay(request);
   return result;
  }else{
   EntPayBankRequest request = packEntPayBankRequest(params);
   EntPayHandler entPayHandler = new EntPayHandlerImpl(wxPayHandler);
   bankResult = entPayHandler.payBank(request);
   return bankResult;
  }
 }
 /**
  * 封装微信企业支付请求参数
  * @param params
  * @return: com.qcsoft.commonbean.bean.payment.wx.bean.entpay.EntPayRequest
  * @Author: 
  * @date: 
  */
 public EntPayRequest packEntPayRequest(EntPayParam params,WxPayConfig config) {
  EntPayRequest request = new EntPayRequest();
  request.setAmount(params.getAmount().multiply(new BigDecimal("10")).intValue());
  request.setCheckName("NO_CHECK");
  request.setOpenid(params.getOpenid());
  request.setSpbillCreateIp(params.getSpbillCreateIp());
  request.setPartnerTradeNo(params.getPartnerTradeNo());
  request.setMchAppid(config.getAppId());
  request.setMchId(config.getMchId());
  request.setDescription(params.getDesc());
  return request;
 }


 /**
  * 封装银行卡企业支付参数
  * @param params
  * @return: com.qcsoft.commonbean.bean.payment.wx.bean.entpay.EntPayBankRequest
  * @Author: 
  * @date: 
  */
 public EntPayBankRequest packEntPayBankRequest(EntPayParam params) {
  EntPayBankRequest request = new EntPayBankRequest();
  request.setAmount(params.getAmount().multiply(new BigDecimal("10")).intValue());
  request.setBankCode(params.getBankCode());
  request.setEncTrueName(params.getEncTrueName());
  request.setPartnerTradeNo(params.getPartnerTradeNo());
  request.setDescription(params.getDesc());
  return request;
 }
}

5、这些类是和数据库交互的增删查该类

 @Autowired
 private WxConfigService wxConfigService;
 @Autowired
 private WxMinConfigService wxMinConfigService;
 @Autowired
 private PayLogService payLogService;
 @Autowired
 private AlipayConfigService alipayConfigService;
 ```

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