https://testing.westmonth.com/

app_id：3acdfa31-c427-4f8f-922b-44e05b7d9766
app_secret：d0c024ba5d5a699f54936eb298d605e8

https://westmonth.com/

<?php

// 业务数据
$data = [
	"mapping" => "thailand",
	"start_time" => "2024-04-29 00:00:01"
]；

$app_id = "3acdfa31-c427-4f8f-922b-44e05b7d9766";   // 客户应用ID
$app_secret = "d0c024ba5d5a699f54936eb298d605e8";   // 客户应用密钥
$nonce_str = "fb22fff75c27";               // 随机串
$timestamp = time();                       // 当前时间戳
$signature = "";                           // 签名值

// 组成签名值(固定顺序) md5 小写
$signature = md5($app_id.$app_secret.$nonce_str.$timestamp);

// 生成 authorization 数据
$authorizationData = [
	'app_id' => $app_id,
	'nonce_str' => $nonce_str,
	'timestamp' => $timestamp,
	'signature' => $signature
];
// 将 authorization 数据转为 json 字符串
$authorizationJson = json_encode(authorizationData);

// 最后用 base64 生成最后的验证信息
$authorization = base64_encode(authorizationJson);

package org.example;

import org.json.JSONObject;

import java.util.Base64;

public class Main {


    public static void main(String[] args) {
        String app_id = "3acdfa31-c427-4f8f-922b-44e05b7d9766";
        String app_secret = "d0c024ba5d5a699f54936eb298d605e8";
        String nonceStr = "xxxx";
        // 当前时间戳
        long timestamp = System.currentTimeMillis() / 1000;
        // 签名值
        String signature = md5(app_id + app_secret + nonceStr + timestamp);

        JSONObject authorizationData = new JSONObject();
        authorizationData.put("app_id", app_id);
        authorizationData.put("nonce_str", nonceStr);
        authorizationData.put("timestamp", timestamp);
        authorizationData.put("signature", signature);

        String authorizationJson = authorizationData.toString();
        String authorization = Base64.getEncoder().encodeToString(authorizationJson.getBytes());

        System.out.println("请求成功！" + authorization);
    }

    private static String md5(String input) {
        try {
            java.security.MessageDigest md = java.security.MessageDigest.getInstance("MD5");
            md.update(input.getBytes());
            byte[] digest = md.digest();
            StringBuilder sb = new StringBuilder();
            for (byte b : digest) {
                sb.append(String.format("%02x", b));
            }
            return sb.toString();
        } catch (java.security.NoSuchAlgorithmException e) {
            throw new RuntimeException("MD5 algorithm not found", e);
        }
    }
}