支付宝支付接入流程

接入流程

入驻开放平台

打开支付宝开放平台https://open.alipay.com/platform/home.htm

入驻成自由开发者

获取沙箱账号

点击开发中心 -> 研发服务

沙箱账号

设置应用公钥

设置应用公钥

设置回调地址

设置回调地址

利用ngrok进行内网穿透

点击下载：ngrok下载地址
运行ngrok：

ngrok http 8080 #转发请求到本机8080端口

代码实现

POM

    <!-- https://mvnrepository.com/artifact/com.alipay.sdk/alipay-sdk-java -->
    <dependency>
        <groupId>com.alipay.sdk</groupId>
        <artifactId>alipay-sdk-java</artifactId>
        <version>3.4.27.ALL</version>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-configuration-processor</artifactId>
    </dependency>

配置文件application.yml:

alipay:
  gatewayUrl: https://openapi.alipaydev.com/gateway.do
  appid: 2016092800614971
  privateKey: 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
  alipayPublicKey: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA00Yk47WiQgYxrUUzJ6oy7tjxF7P+GR21umzUqjuknJm1HT3J/pzSHIxmSsIV3rlQ146kQxrsAsPRFWNqyP6wNEM+0F/X27BswOBkOCStHHqxyY6d/OoUbSkhI+hqfyTGt+Cj5Wy7Sy4PaMc/3QOXvraiHIjcIuG+5Z+aR9G4RqXFMW43MLCquxgXTKfhbX4Wr7sjscGuPsNe4yPYnU6wKujPn/wJ4A54MiTjAO8UpKSn6/rQd4iOemYQ9Z4IdM6BYPSN4ZLFLkx8YXuFFsQg+2mBl9eam/B3Nv94Vit5tnawpe5es/0YVZsGqrL+W8wXxs0JrnGrQY5CHI6qXn80tQIDAQAB
  #支付成功跳转的商家url
  returnUrl: http://localhost:8080/callback
  #异常跳转页面
  notifyUrl: https://354c9624.ngrok.io/callback_nsync

Java配置文件

AlipayConfig.java

package com.suoron.springboot.config;

import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
@EnableConfigurationProperties(AlipayProperties.class)
public class AlipayConfig {

    @Resource
    private AlipayProperties properties;

    /**
     * alipay-sdk-java
     * @return
     */
    @Bean
    public AlipayClient alipayClient(){
        return new DefaultAlipayClient(properties.getGatewayUrl(),
                properties.getAppid(),
                properties.getPrivateKey(),
                properties.getFormate(),
                properties.getCharset(),
                properties.getAlipayPublicKey(),
                properties.getSignType());
    }
}

AlipayProperties.java

package com.suoron.springboot.config;

import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.util.StringUtils;

import javax.annotation.PostConstruct;

/**
 * 支付宝支付的参数配置
 *
 * @author Suoron
 */
@Data
@Slf4j
@ConfigurationProperties(prefix = "alipay")
public class AlipayProperties {

    /** 支付宝gatewayUrl */
    private String gatewayUrl;
    /** 商户应用id */
    private String appid;
    /** RSA私钥，用于对商户请求报文加签 */
    private String privateKey;
    /** 支付宝RSA公钥，用于验签支付宝应答 */
    private String alipayPublicKey;
    /** 签名类型 */
    private String signType = "RSA2";

    /** 格式 */
    private String formate = "json";
    /** 编码 */
    private String charset = "UTF-8";

    /** 同步地址 */
    private String returnUrl;

    /** 异步地址 */
    private String notifyUrl;

    /** 最大查询次数 */
    private static int maxQueryRetry = 5;
    /** 查询间隔（毫秒） */
    private static long queryDuration = 5000;
    /** 最大撤销次数 */
    private static int maxCancelRetry = 3;
    /** 撤销间隔（毫秒） */
    private static long cancelDuration = 3000;

    private AlipayProperties() {}

    /**
     * PostContruct是spring框架的注解，在方法上加该注解会在项目启动的时候执行该方法，也可以理解为在spring容器初始化的时候执行该方法。
     */
    @PostConstruct
    public void init() {
        log.info(description());
    }

    public String description() {
        StringBuilder sb = new StringBuilder("\nConfigs{");
        sb.append("支付宝网关: ").append(gatewayUrl).append("\n");
        sb.append(", appid: ").append(appid).append("\n");
        sb.append(", 商户RSA私钥: ").append(getKeyDescription(privateKey)).append("\n");
        sb.append(", 支付宝RSA公钥: ").append(getKeyDescription(alipayPublicKey)).append("\n");
        sb.append(", 签名类型: ").append(signType).append("\n");

        sb.append(", 查询重试次数: ").append(maxQueryRetry).append("\n");
        sb.append(", 查询间隔(毫秒): ").append(queryDuration).append("\n");
        sb.append(", 撤销尝试次数: ").append(maxCancelRetry).append("\n");
        sb.append(", 撤销重试间隔(毫秒): ").append(cancelDuration).append("\n");
        sb.append("}");
        return sb.toString();
    }

    private String getKeyDescription(String key) {
        int showLength = 6;
        if (!StringUtils.isEmpty(key) && key.length() > showLength) {
            return new StringBuilder(key.substring(0, showLength)).append("******")
                    .append(key.substring(key.length() - showLength)).toString();
        }
        return null;
    }
}

请求Service

AlipayService.java

package com.suoron.springboot.service;

public interface AlipayService {
    public String getwayPay();
}

AlipayServiceImpl.java

package com.suoron.springboot.service.impl;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.AlipayResponse;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.domain.AlipayTradePagePayModel;
import com.alipay.api.domain.AlipayTradePrecreateModel;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradePrecreateRequest;
import com.alipay.api.response.AlipayTradePrecreateResponse;
import com.suoron.springboot.config.AlipayProperties;
import com.suoron.springboot.service.AlipayService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.UUID;

@Service
public class AlipayServiceImpl implements AlipayService {

    @Resource
    private AlipayClient alipayClient;

    @Resource
    private AlipayProperties aliPayProperties;

    @Override
    public String getwayPay() {
        String productCode = "FAST_INSTANT_TRADE_PAY";
        AlipayTradePagePayModel model = new AlipayTradePagePayModel();
        model.setOutTradeNo(UUID.randomUUID().toString());
        model.setSubject("支付测试");
        model.setTotalAmount("10");
        model.setBody("支付测试，共10元");
        model.setProductCode(productCode);

        AlipayTradePagePayRequest pagePayRequest = new AlipayTradePagePayRequest();
        pagePayRequest.setReturnUrl(aliPayProperties.getReturnUrl());
        pagePayRequest.setNotifyUrl(aliPayProperties.getNotifyUrl());
        pagePayRequest.setBizModel(model);

        // 调用SDK生成表单, 并直接将完整的表单html输出到页面
        String retStr = null;
        try {
            retStr = alipayClient.pageExecute(pagePayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        return retStr;
    }

}

支付请求Controller

package com.suoron.springboot.controller;

import com.sun.deploy.net.HttpResponse;
import com.suoron.springboot.service.AlipayService;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Enumeration;

/**
 * @author Suoron
 */


@Controller
public class TestController {

    @Resource
    AlipayService alipayService;

    @RequestMapping(value = "/test",method = RequestMethod.GET)
    public void test(HttpServletResponse response){
        try {
            response.setContentType("text/html; charset=utf-8");
            response.getWriter().write("<h1>支付测试</h1>");
            response.getWriter().write("<br/><a href='paytest'>前往支付页面</a>");
            response.getWriter().close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    @RequestMapping(value = "/paytest",method = RequestMethod.GET)
    public void testPay(HttpServletResponse response){
        try {
            response.setContentType("text/html; charset=utf-8");
            response.getWriter().write(alipayService.getwayPay());
            response.getWriter().close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    @RequestMapping(value = "/callback",method = RequestMethod.GET)
    public void callback(HttpServletRequest request,HttpServletResponse response){
        try {
            response.setContentType("text/html; charset=utf-8");
            Enumeration enu = request.getParameterNames();
            while(enu.hasMoreElements()){
                String paraName=(String)enu.nextElement();
                response.getWriter().write(paraName+": "+request.getParameter(paraName)+"<br>");
            }
            response.getWriter().close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    @RequestMapping(value = "/callback_nsync")
    public void callback_nsync(HttpServletRequest request,HttpServletResponse response){
        System.out.println("1111111111111111111111111111");
        try {
            response.setContentType("text/html; charset=utf-8");
            Enumeration enu = request.getParameterNames();
            while(enu.hasMoreElements()){
                String paraName=(String)enu.nextElement();
                System.out.println(paraName+": "+request.getParameter(paraName));
            }
            response.getWriter().close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}