代码示例

package com.my.mytest.servcie.impl;

import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpResponse;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.my.mytest.utils.AESDeclareUtil;

public class DeclareServiceMain {

    public static void main(String[] args) {
        query();
        s008();
    }

    public static void query() {
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("appKey", "yourAppKey");
        jsonObject.put("serviceId", "S004");
        JSONObject jsonDataDTO = new JSONObject();
        jsonDataDTO.put("serviceId", "S008");
        jsonDataDTO.put("nsqxdm", "02");
        jsonDataDTO.put("nsrsbh", "yourNsrsbh");
        jsonDataDTO.put("skssqq", "2025-03-01");
        jsonDataDTO.put("skssqz", "2025-03-31");
        jsonDataDTO.put("sbzlbh", "10101");
        jsonObject.put("jsonData", jsonDataDTO);

        try {
            HttpRequest httpRequest = HttpRequest.post("http://localhost:8080/declare/S004")
                    .header("appKey", "yourAppKey")
                    .header("Content-Type", "application/json")
                    .body(AESDeclareUtil.encryptAndUrlEncode(jsonObject.toJSONString(), "yourAppSecret"));
            HttpResponse response = httpRequest.execute();
            String result = response.body();
            System.out.println("Response: " + result);
            String data = JSON.parseObject(result).getString("data");
            if (ObjectUtil.isNotEmpty(data)) {
                System.out.println("data: " + AESDeclareUtil.decodeAndDecrypt(data, new StringBuilder("yourAppSecret").reverse().toString()));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void s008() {
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("appKey", "yourAppKey");
        jsonObject.put("serviceId", "S008");
        JSONObject jsonDataDTO = new JSONObject();
        jsonDataDTO.put("nsqxdm", "02");
        jsonDataDTO.put("nsrsbh", "yourNsrsbh");
        jsonDataDTO.put("skssqq", "2025-03-01");
        jsonDataDTO.put("skssqz", "2025-03-31");
        jsonDataDTO.put("sbzlbh", "10101");
        jsonDataDTO.put("zfbz", "N");
        jsonDataDTO.put("wszmlx", "0");
        jsonDataDTO.put("kjlx", "0");
        JSONObject kqybs = new JSONObject();
        kqybs.put("kqybslx", "2");
        kqybs.put("zgswjg", " ");
        kqybs.put("byglbh", "");
        kqybs.put("scjydz", " ");
        jsonDataDTO.put("kqybs", kqybs);
        jsonObject.put("jsonData", jsonDataDTO);

        try {
            HttpRequest httpRequest = HttpRequest.post("http://localhost:8080/declare/S008")
                    .header("appKey", "yourAppKey")
                    .header("Content-Type", "application/json")
                    .body(AESDeclareUtil.encryptAndUrlEncode(JSON.toJSONString(jsonObject), "yourAppSecret"));
            HttpResponse response = httpRequest.execute();
            String result = response.body();
            System.out.println("Response: " + result);
            String data = JSON.parseObject(result).getString("data");
            if (ObjectUtil.isNotEmpty(data)) {
                System.out.println("data: " + AESDeclareUtil.decodeAndDecrypt(data, new StringBuilder("yourAppSecret").reverse().toString()));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

package com.my.mytest.utils;

import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Base64;

public class AESDeclareUtil {


    // AES 加密（ECB 模式）
    public static String encryptAES(String data, String key) throws Exception {
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding"); // 无 IV
        SecretKeySpec secretKey = new SecretKeySpec(padKey(key).getBytes(StandardCharsets.UTF_8), "AES");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey);
        byte[] encrypted = cipher.doFinal(data.getBytes(StandardCharsets.UTF_8));
        return Base64.getEncoder().encodeToString(encrypted);
    }

    // AES 解密
    public static String decryptAES(String base64EncryptedData, String key) throws Exception {
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
        SecretKeySpec secretKey = new SecretKeySpec(padKey(key).getBytes(StandardCharsets.UTF_8), "AES");
        cipher.init(Cipher.DECRYPT_MODE, secretKey);
        byte[] decoded = Base64.getDecoder().decode(base64EncryptedData);
        byte[] original = cipher.doFinal(decoded);
        return new String(original, StandardCharsets.UTF_8);
    }

    // URLEncoder 包装
    public static String encryptAndUrlEncode(String plainJson, String publicKey) throws Exception {
        String encrypted = encryptAES(plainJson, publicKey);
        return URLEncoder.encode(encrypted, StandardCharsets.UTF_8.toString());
    }

    // URLDecoder 解码 + 解密
    public static String decodeAndDecrypt(String encryptedUrlEncoded, String publicKey) throws Exception {
        String decoded = URLDecoder.decode(encryptedUrlEncoded, StandardCharsets.UTF_8.toString());
        return decryptAES(decoded, publicKey);
    }

    // 确保 key 长度为 16/24/32 字节（补齐）
    private static String padKey(String key) {
        int len = key.length();
        if (len == 16 || len == 24 || len == 32) {
            return key;
        }
        if (len > 32) {
            return key.substring(0, 32);
        }
        return String.format("%-32s", key).replace(' ', '0');
    }


}