调用示例

Golang

        appId := "aaaa" //应用ID
		ak := "aadfsdfsa" //Access Key
		sk := "asfwerttytyrtyewrwerfasdfsfsfsf2" //Secret Key

		// 获取当前时间戳
		timestamp := strconv.FormatInt(time.Now().Unix(), 10)
		
		// 生成签名
		message := "ak=" + ak + "&time=" + timestamp
		sign := GenerateSignature(message, sk)
		
		// 构造请求URL
		requestURL := "http://127.0.0.1:8199/openapi/v1/product/device/page_list?pageNum=1&pageSize=10&ak=aadfsdfsa&time=" + timestamp + "&sign=" + sign + "&appId=" + appId
		fmt.Println(requestURL)
		
		//Http 客户端进行调用
		.........
		

Java

public static String generateSignature(String message, String secret) {
    try {
        SecretKeySpec keySpec = new SecretKeySpec(
                secret.getBytes(StandardCharsets.UTF_8), "HmacSHA256");

        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(keySpec);

        byte[] rawHmac = mac.doFinal(message.getBytes(StandardCharsets.UTF_8));

        return DatatypeConverter.printHexBinary(rawHmac).toLowerCase();

    } catch (Exception e) {
        throw new RuntimeException("Unable to generate HMAC : " + e.getMessage(), e);
    }
}

public static void main() {
        String ak = "asdfsadfldsfj12321werwe"; // Access Key
        String sk = "sdfddfsdcmkllsjasdf"; // Secret Key

        // 获取当前时间戳
        String timestamp = java.lang.String.valueOf(Instant.now().getEpochSecond());

        // 生成签名
        String message = "ak=" + ak + "&time=" + timestamp;
        String sign = generateSignature(message, sk);
        System.out.println("sign: " + sign);
}

PHP

<?php
function GenerateSignature($message, $secret) {
    $key = $secret;
    return strtolower(hash_hmac("sha256", $message, $key));
}
?>

Python

import hmac
import hashlib
import base64

def GenerateSignature(message, secret):
    key = bytes(secret, 'latin-1')
    message = bytes(message, 'latin-1')
    signature = hmac.new(key, message, hashlib.sha256)
    return base64.b64encode(signature.digest()).decode().lower()

Javascript

const crypto = require('crypto');

function GenerateSignature(message, secret) {
    const key = secret;
    const hmac = crypto.createHmac('sha256', key);
    hmac.update(message);
    return hmac.digest('hex').toLowerCase();
}

C#

using System;
using System.Security.Cryptography;

namespace HMACSHA256 {
    public class SignatureGenerator {
        public static string GenerateSignature(string message, string secret) {
            var key = System.Text.Encoding.UTF8.GetBytes(secret);
            using (var hmac = new HMACSHA256(key)) {
                hmac.ComputeHash(System.Text.Encoding.UTF8.GetBytes(message));
                return BitConverter.ToString(hmac.Hash).Replace("-", "").ToLower();
            }
        }
    }
}