支付宝支付——沙箱环境支付

沙箱环境是支付宝开放平台为开发者提供的安全低门槛的测试环境，开发者在沙箱环境中调用接口无需具备所需的商业资质，无需绑定和开通产品，同时不会对生产环境中的数据造成任何影响。

合理使用沙箱环境，可以让研发流程与商业流程并行，降低联调资损风险，加速项目的交付。

image-20250924101222182准备工作

  1. 进入到支付宝开放平台 ：https://open.alipay.com/
  2. 登录支付宝账号
  3. 点击控制台，如果没有可以点击搜索控制台
  4. 点击下面的沙箱环境
  5. image-20250924101516410
  6. 如何设置公钥模式？
    1. 点击设置
    2. 下载支付宝 密钥工具：https://opendocs.alipay.com/common/02kipk?pathHash=0d20b438
    3. image-20250924101902207
    4. image-20250924101827842
    5. 复制公钥到里面
    6. image-20250924101944834
    7. image-20250924102039275

集成Springboot

pom

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

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <scope>provided</scope>
    </dependency>
    <!-- 支付宝依赖沙箱支付 -->
    <dependency>
        <groupId>com.alipay.sdk</groupId>
        <artifactId>alipay-easysdk</artifactId>
        <version>2.2.0</version>
    </dependency>
    <!--支付宝相关-->
    <dependency>
        <groupId>com.alipay.sdk</groupId>
        <artifactId>alipay-sdk-java</artifactId>
        <version>4.34.0.ALL</version>
    </dependency>
</dependencies>

application.yaml

spring:
  application:
    name: alibaba_pay
server:
  port: 9090
alipay:
  app_id: 你的appid
  appPrivateKey: 你的私钥
  alipayPublicKey: 你的公钥
  notifyUrl: 支付成功回调地址

配置支付宝的参数

package com.lazy.alibaba_pay.config;

import com.alipay.easysdk.factory.Factory;
import com.alipay.easysdk.kernel.Config;
import jakarta.annotation.PostConstruct;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

@Data
@Component
@ConfigurationProperties(prefix = "alipay")
public class AliPayConfig {
    private String appId;
    private String appPrivateKey;
    private String alipayPublicKey;
    private String notifyUrl;
    private String returnUrl;
    private String signType = "RSA2";
    private String charset = "utf-8";
    private String gatewayUrl = "https://openapi.alipay.com/gateway.do";

    @PostConstruct
    public void init() {
        // 设置参数（全局只需设置一次）
        Config config = new Config();
        config.protocol = "https";
        config.gatewayHost = "openapi.alipaydev.com";
        config.appId = this.appId;
        config.merchantPrivateKey = this.appPrivateKey;
        config.alipayPublicKey = this.alipayPublicKey;
        config.notifyUrl = this.notifyUrl;
        config.signType = this.signType;
        Factory.setOptions(config);
        System.out.println("=======支付宝SDK初始化成功=======");
    }
}

AliPay

package com.lazy.alibaba_pay.pojo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class AliPay {
    private String traceNo;//订单号
    private double totalAmount;//总金额
    private String subject;//主题
    private String alipayTraceNo;//流水号
}

controller

package com.lazy.alibaba_pay.controller;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.easysdk.factory.Factory;
import com.lazy.alibaba_pay.config.AliPayConfig;
import com.lazy.alibaba_pay.pojo.AliPay;
import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/alipay")
public class AliPayController {

    @Resource
    AliPayConfig aliPayConfig;


    private static final String GATEWAY_URL ="https://openapi-sandbox.dl.alipaydev.com/gateway.do";
    private static final String FORMAT ="JSON";
    private static final String CHARSET ="utf-8";
    private static final String SIGN_TYPE ="RSA2";
    @PostMapping("/pay") 
    public void pay(@RequestBody AliPay aliPay, HttpServletResponse httpResponse) throws Exception {
        AlipayClient alipayClient = new DefaultAlipayClient(GATEWAY_URL, aliPayConfig.getAppId(),
                aliPayConfig.getAppPrivateKey(), FORMAT, CHARSET, aliPayConfig.getAlipayPublicKey(), SIGN_TYPE);
        AlipayTradePagePayRequest request = new AlipayTradePagePayRequest();
        request.setNotifyUrl(aliPayConfig.getNotifyUrl());
        request.setBizContent("{\"out_trade_no\":\"" + aliPay.getTraceNo() + "\","
                + "\"total_amount\":\"" + aliPay.getTotalAmount() + "\","
                + "\"subject\":\"" + aliPay.getSubject() + "\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        String form = "";
        try {
            // 调用SDK生成表单
            form = alipayClient.pageExecute(request).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }
        httpResponse.setContentType("text/html;charset=" + CHARSET);
        // 直接将完整的表单html输出到页面
        httpResponse.getWriter().write(form);
        httpResponse.getWriter().flush();
        httpResponse.getWriter().close();
    }
    @PostMapping("/notify")  // 注意这里必须是POST接口
    public String payNotify(HttpServletRequest request) throws Exception {
        if (request.getParameter("trade_status").equals("TRADE_SUCCESS")) {
            System.out.println("=========支付宝异步回调========");

            Map<String, String> params = new HashMap<>();
            Map<String, String[]> requestParams = request.getParameterMap();
            for (String name : requestParams.keySet()) {
                params.put(name, request.getParameter(name));
                // System.out.println(name + " = " + request.getParameter(name));
            }

            String tradeNo = params.get("out_trade_no");
            String gmtPayment = params.get("gmt_payment");
            String alipayTradeNo = params.get("trade_no");
            // 支付宝验签
            if (Factory.Payment.Common().verifyNotify(params)) {
                // 验签通过
                System.out.println("交易名称: " + params.get("subject"));
                System.out.println("交易状态: " + params.get("trade_status"));
                System.out.println("支付宝交易凭证号: " + params.get("trade_no"));
                System.out.println("商户订单号: " + params.get("out_trade_no"));
                System.out.println("交易金额: " + params.get("total_amount"));
                System.out.println("买家在支付宝唯一id: " + params.get("buyer_id"));
                System.out.println("买家付款时间: " + params.get("gmt_payment"));
                System.out.println("买家付款金额: " + params.get("buyer_pay_amount"));

            }
        }
        return "success";
    }

}

image-20250924103003197

成功了

支付回调接口需要使用内网穿透