SpringBoot接入支付宝支付的方法步骤

支付宝今年推出了新的转账接口alipay.fund.trans.uni.transfer(升级后安全性更高，功能更加强大) ，老转账接口alipay.fund.trans.toaccount.transfer将不再维护，新老接口的一个区别就是新接口采用的证书验签方式。使用新接口要将sdk版本升级到最新版本，博主升级时最新版本是4.10.97。接下来看集成步骤

1.将支付宝开放平台里下载的3个证书放在resources下面

2.写支付宝支付的配置文件

alipay.properties

alipay.appid=你的应用id
alipay.serverurl=https://openapi.alipay.com/gateway.do
alipay.privatekey=你的应用私钥
alipay.format=json
alipay.charset=utf-8
alipay.signtype=rsa2
alipay.appcertpath=/cert/appcertpublickey_2021001164652941.crt
alipay.alipaycertpath=/cert/alipaycertpublickey_rsa2.crt
alipay.alipayrootcertpath=/cert/alipayrootcert.crt

3.引入pom依赖

<dependency>
  <groupid>com.alipay.sdk</groupid>
  <artifactid>alipay-sdk-java</artifactid>
  <version>4.10.97.all</version>
</dependency>

4.将配置信息注入alipaybean

import lombok.data;
import org.springframework.boot.context.properties.configurationproperties;
import org.springframework.context.annotation.propertysource;
import org.springframework.stereotype.component;
 
@component
@propertysource("classpath:/production/alipay.properties")
@configurationproperties(prefix = "alipay")
@data
public class alipaybean {
 private string appid;
 private string privatekey;
 private string publickey;
 private string serverurl;
 private string domain;
 private string format;
 private string charset;
 private string signtype;
 private string appcertpath;
 private string alipaycertpath;
 private string alipayrootcertpath;
 
}

5.写配置类

import com.alipay.api.alipayclient;
import com.alipay.api.certalipayrequest;
import com.alipay.api.defaultalipayclient;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.beans.factory.annotation.value;
import org.springframework.context.annotation.bean;
import org.springframework.context.annotation.configuration;
import org.springframework.util.filecopyutils;
 
import java.io.inputstream;
 
 
@configuration
public class aliconfig {
 
 @value("${custom.http.proxyhost}")
 private string proxyhost;
 @value("${custom.http.proxyport}")
 private int proxyport;
 @value("${spring.profiles.active}")
 private string activeenv;
 
 @autowired
 private alipaybean alipaybean;
 
 @bean(name = {"alipayclient"})
 public alipayclient alipayclientservice() throws exception{
  certalipayrequest certalipayrequest = new certalipayrequest();
  //设置网关地址
  certalipayrequest.setserverurl(alipaybean.getserverurl());
  //设置应用id
  certalipayrequest.setappid(alipaybean.getappid());
  //设置应用私钥
  certalipayrequest.setprivatekey(alipaybean.getprivatekey());
  //设置请求格式，固定值json
  certalipayrequest.setformat(alipaybean.getformat());
  //设置字符集
  certalipayrequest.setcharset(alipaybean.getcharset());
  //设置签名类型
  certalipayrequest.setsigntype(alipaybean.getsigntype());
  //如果是生产环境或者预演环境，则使用代理模式
  if ("prod".equals(activeenv) || "stage".equals(activeenv) || "test".equals(activeenv)) {
   //设置应用公钥证书路径
   certalipayrequest.setcertcontent(getcertcontentbypath(alipaybean.getappcertpath()));
   //设置支付宝公钥证书路径
   certalipayrequest.setalipaypubliccertcontent(getcertcontentbypath(alipaybean.getalipaycertpath()));
   //设置支付宝根证书路径
   certalipayrequest.setrootcertcontent(getcertcontentbypath(alipaybean.getalipayrootcertpath()));
   certalipayrequest.setproxyhost(proxyhost);
   certalipayrequest.setproxyport(proxyport);
 
  }else {
   //local
   string serverpath = this.getclass().getresource("/").getpath();
   //设置应用公钥证书路径
   certalipayrequest.setcertpath(serverpath+alipaybean.getappcertpath());
   //设置支付宝公钥证书路径
   certalipayrequest.setalipaypubliccertpath(serverpath+alipaybean.getalipaycertpath());
   //设置支付宝根证书路径
   certalipayrequest.setrootcertpath(serverpath+alipaybean.getalipayrootcertpath());
  }
  return new defaultalipayclient(certalipayrequest);
 }
 public string getcertcontentbypath(string name){
  inputstream inputstream = null;
  string content = null;
  try{
   inputstream = this.getclass().getclassloader().getresourceasstream(name);
   content = new string(filecopyutils.copytobytearray(inputstream));
  }catch (exception e){
   e.printstacktrace();
  }
  return content;
 }
 
}

6.写支付工具类

import com.alipay.api.alipayapiexception;
import com.alipay.api.alipayclient;
import com.alipay.api.domain.alipaytradeapppaymodel;
import com.alipay.api.domain.alipaytradequerymodel;
import com.alipay.api.request.alipaytradeapppayrequest;
import com.alipay.api.request.alipaytradequeryrequest;
import com.alipay.api.response.alipaytradeapppayresponse;
import com.alipay.api.response.alipaytradequeryresponse;
import lombok.extern.slf4j.slf4j;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.beans.factory.annotation.qualifier;
import org.springframework.stereotype.service;
/**
 * @description:支付宝工具类
 * @date:2020-08-26
 */
@slf4j
@service
public class alipayutils {
 @autowired
 @qualifier("alipayclient")
 private alipayclient alipayclient;
 
 /**
  * 交易查询接口
  * @param request
  * @return
  * @throws exception
  */
 public boolean istradequery(alipaytradequerymodel model) throws alipayapiexception {
  alipaytradequeryrequest request = new alipaytradequeryrequest();
  request.setbizmodel(model);
  alipaytradequeryresponse alipaytradequeryresponse = alipayclient.certificateexecute(request);
  if(alipaytradequeryresponse.issuccess()){
   return true;
  } else {
   return false;
  }
 }
 
 /**
  * app支付
  * @param model
  * @param notifyurl
  * @return
  * @throws alipayapiexception
  */
 public string startapppay(alipaytradeapppaymodel model, string notifyurl) throws alipayapiexception {
  alipaytradeapppayrequest alipayrequest = new alipaytradeapppayrequest();
  model.setproductcode("quick_msecurity_pay");
  alipayrequest.setnotifyurl(notifyurl);
  alipayrequest.setbizmodel(model);
  // 这里和普通的接口调用不同，使用的是sdkexecute
  alipaytradeapppayresponse aliresponse = alipayclient.sdkexecute(alipayrequest);
  return aliresponse.getbody();
 }
 /**
  * 转账接口
  *
  * @param transferparams
  * @return alipayfundtranstoaccounttransferresponse
  */
  public alipayfundtransunitransferresponse dotransfernew(transferparams transferparams) throws exception {
 
  string title = (stringutils.isnotblank(transferparams.getremark()) ? transferparams
    .getremark() : "转账");
  //转账请求入参
  alipayfundtransunitransferrequest request = new alipayfundtransunitransferrequest();
  //转账参数
  bizcontentforunitransfer bizcontent = new bizcontentforunitransfer();
  bizcontent.setout_biz_no(transferparams.getoutbizno());
  bizcontent.settrans_amount(mathutil.changef2y(math.abs(integer.parseint(transferparams.getamount()))));
  bizcontent.setproduct_code("trans_account_no_pwd");
  bizcontent.setbiz_scene("direct_transfer");
  bizcontent.setorder_title(title);
  participant participant = new participant();
  participant.setidentity(transferparams.getpayeeaccount());
  participant.setidentity_type(transferparams.getpayeetype());
  participant.setname((stringutils.isnotblank(transferparams.getpayeerealname()) ? transferparams
    .getpayeerealname() : stringutils.empty));
  bizcontent.setpayee_info(participant);
  bizcontent.setremark(title);
 
  request.setbizcontent(json.tojsonstring(bizcontent));
 
  //转账请求返回
  alipayfundtransunitransferresponse response = null;
  try {
   response = alipayclient.certificateexecute(request);
  } catch (exception e) {
 
   log.info("dotransfer exception，异常信息：{}", e.tostring());
 
   log.info("dotransfer exception，支付宝返回信息：{}", jsonobject.tojsonstring(response));
 
  }
 
  log.info("dotransfer,alipayfundtransunitransferresponse:{}", jsonobject.tojsonstring(response));
 
  return response;
 }
}

tips：转账用到的类

@data
public class transferparams {
 
 /**
  * 应用编号
  */
 private long appid;
 
 /**
  * 创建人id
  */
 private long createdby;
 
 /**
  * 转账业务订单号
  */
 private string outbizno;
 
 /**
  * 收款方识别方式
  */
 private string payeetype;
 
 /**
  * 收款方账号，可以是支付宝userid或者支付宝loginid
  */
 private string payeeaccount;
 
 /**
  * 转账金额，单位分
  */
 private string amount;
 
 /**
  * 付款方名称
  */
 private string payershowname;
 
 /**
  * 收款方名称
  */
 private string payeerealname;
 
 /**
  * 备注
  */
 private string remark;
 
 /**
  * 支付宝转账流水号
  */
 private string orderid;
}

import lombok.data;
 
import java.math.bigdecimal;
 
/**
 * 支付宝转账参数
 */
@data
public class bizcontentforunitransfer {
 /**
  * 业务订单号
  */
 private string out_biz_no;
 
 /**
  * 订单总金额，单位为元，精确到小数点后两位，
  */
 private bigdecimal trans_amount;
 
 /**
  * 业务产品码，
  * 单笔无密转账到支付宝账户固定为:trans_account_no_pwd；
  * 单笔无密转账到银行卡固定为:trans_bankcard_no_pwd;
  * 收发现金红包固定为:std_red_packet；
  */
 private string product_code;
 
 /**
  * 描述特定的业务场景，可传的参数如下：
  * direct_transfer：单笔无密转账到支付宝/银行卡, b2c现金红包;
  * personal_collection：c2c现金红包-领红包
  */
 private string biz_scene;
 
 /**
  * 转账业务的标题，用于在支付宝用户的账单里显示
  */
 private string order_title;
 
 /**
  * 原支付宝业务单号。c2c现金红包-红包领取时，传红包支付时返回的支付宝单号；
  * b2c现金红包、单笔无密转账到支付宝/银行卡不需要该参数。
  */
 private string original_order_id;
 
 /**
  * 业务备注
  */
 private string remark;
 
 /**
  * 转账业务请求的扩展参数，支持传入的扩展参数如下：
  * 1、sub_biz_scene 子业务场景，红包业务必传，取值redpacket，c2c现金红包、b2c现金红包均需传入；
  * 2、withdraw_timeliness为转账到银行卡的预期到账时间，可选（不传入则默认为t1），
  * 取值t0表示预期t+0到账，取值t1表示预期t+1到账，因到账时效受银行机构处理影响，支付宝无法保证一定是t0或者t1到账；
  */
 private string business_params;
 
 /**
  * 支付收款对象
  */
 private participant payee_info;
}

@data
public class participant {
 /**
  * 参与方的唯一标识
  */
 private string identity;
 
 /**
  * 参与方的标识类型，目前支持如下类型：
  * 1、alipay_user_id 支付宝的会员id
  * 2、alipay_logon_id：支付宝登录号，支持邮箱和手机号格式
  */
 private string identity_type;
 
 /**
  * 参与方真实姓名，如果非空，将校验收款支付宝账号姓名一致性。
  * 当identity_type=alipay_logon_id时，本字段必填。
  */
 private string name;
}

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