pom依赖

<dependency> <groupId>com.alipay.sdk</groupId><artifactId>alipay-sdk-java</artifactId><version>4.38.161.ALL</version></dependency>

Java 代码

import com.alipay.api.AlipayApiException;

import com.alipay.api.AlipayClient;

import com.alipay.api.DefaultAlipayClient;

import com.alipay.api.request.AlipayTradeQueryRequest;

import com.alipay.api.response.AlipayTradeQueryResponse;

@SpringBootTest

class MangheApplicationTests {

@Test

    public void checkOrderStatus(){

String appid ="";

String privatekey ="";

String publickey ="";

// 初始化AlipayClient

        AlipayClient alipayClient =new DefaultAlipayClient("https://openapi.alipay.com/gateway.do",

appid,privatekey,"json","UTF-8",publickey,"RSA2");

// 创建查询请求对象

        AlipayTradeQueryRequest request =new AlipayTradeQueryRequest();

//        request.setBizContent("{" +

//                "\"out_trade_no\":\"10004\"," +

//                "\"trade_no\":\"2023121422001430651422298321\"" +

//                "}");

//10004替换你自己定义的订单号，也可以根据支付宝订单号查询（trade_no）

        request.setBizContent("{" +"\"out_trade_no\":\"10004\""+"}");

try {

// 执行查询请求

            AlipayTradeQueryResponse response =alipayClient.execute(request);

if (response.isSuccess()) {

// 查询成功，获取交易状态

                String tradeStatus =response.getTradeStatus();

System.out.println("交易状态：" +tradeStatus);

}else {

// 查询失败

                System.out.println("查询失败：" +response.getSubMsg());

}

}catch (AlipayApiException e) {

e.printStackTrace();

}

}

}