``` Java
import com.anq.core.utils.HttpUtil;
import com.anq.core.utils.JsonUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import org.junit.Test;

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

@Slf4j
public class Examples {
    String appId = "聚美智数分配的appId";
    String appSecret = "聚美智数分配的appSecret";
    String url = "https://api.jumdata.com/keyword-extract/extract";

    @Test
    public void examples() {
        long timestamp = System.currentTimeMillis();
        String sign = DigestUtils.sha256Hex(appId + appSecret + timestamp); // 生成sign

        Map<String, Object> params = new HashMap<String, Object>();

        params.put("appId", appId);  // 聚美智数分配的appId
        params.put("timestamp", timestamp);
        params.put("sign", sign);
        params.put("productCode", "keyword_extract_extract");// 固定值
        params.put("text", ""); // 输入的文字 
        params.put("num", ""); // 关键词数量 需要多少个关键词，默认10

        // HttpUtil可从这里下载 https://file.jumdata.com/support/HttpUtil.java
        String resultJson = HttpUtil.postForm(url, null, params);
        log.info(resultJson);

        // JumeiOpenApiResponse 可从这里下载 https://file.jumdata.com/support/JumeiOpenApiResponse.java
        // JsonUtil可从这里下载 https://file.jumdata.com/support/JsonUtil.java
        JumeiOpenApiResponse jumeiOpenApiResponse = JsonUtil.toObject(resultJson, JumeiOpenApiResponse.class)
        if(jumeiOpenApiResponse.getCode() == 200){
           //TODO
        }else{
           //TODO
        }
    }
}
 ``` 

``` PHP
<?php

$appId = "聚美智数分配的appId";
$appSecret= "聚美智数分配的appSecret";

$url = "https://api.jumdata.com/keyword-extract/extract";
$method = "POST";

$headers = array();
//根据API的要求，定义相对应的Content-Type
array_push($headers, "Content-Type" . ":" . "application/x-www-form-urlencoded; charset=UTF-8");

$timestamp = getUnixTimestamp();
var_dump($timestamp);

$sign = hash('sha256',$appId . $appSecret . $timestamp); // 生成sign
var_dump($sign);

$text = ""; // 输入的文字 
$num = ""; // 关键词数量 需要多少个关键词，默认10
$bodys = "appId=". $appId . "&sign=" . $sign . "&timestamp=" . $timestamp . "&productCode=keyword_extract_extract"  . "&text=" . $text  . "&num=" . $num ;

$curl = curl_init();
curl_setopt($curl, CURLOPT_CUSTOMREQUEST, $method);
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_HTTPHEADER, $headers);
curl_setopt($curl, CURLOPT_POSTFIELDS, $bodys);
curl_setopt($curl, CURLOPT_FAILONERROR, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
if (1 == strpos("$".$url, "https://"))
{
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
  curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
}
var_dump(curl_exec($curl));

function getUnixTimestamp ()
{
    list($s1, $s2) = explode(' ', microtime());
    return sprintf('%.0f',(floatval($s1) + floatval($s2)) * 1000);
}
 ``` 

``` CSharp
using System;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text;

public class IdcardValidate
{
    private const String url = "https://api.jumdata.com/keyword-extract/extract";
    private const String method = "POST";
    private const String appId = "聚美智数分配";
    private const String appSecret = "聚美智数分配";

    public static void Main(string[] args)
    {
        TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
        String timestamp = Convert.ToInt64(ts.TotalMilliseconds).ToString();
        String sign = SHA256(appId + appSecret + timestamp);
            String text = ""; // 输入的文字 
            String num = ""; // 关键词数量 需要多少个关键词，默认10
        String bodys = "appId=" + appId + "&sign=" + sign + "&timestamp=" + timestamp + "&productCode=keyword_extract_extract"  + "&text=" + text  + "&num=" + num ;

        HttpWebRequest httpRequest = null;
        HttpWebResponse httpResponse = null;

        httpRequest = (HttpWebRequest) WebRequest.CreateDefault(new Uri(url));

        httpRequest.Method = method;
        httpRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";

        byte[] data = Encoding.UTF8.GetBytes(bodys);
        using (Stream stream = httpRequest.GetRequestStream())
        {
            stream.Write(data, 0, data.Length);
        }

        httpResponse = (HttpWebResponse) httpRequest.GetResponse();
        Console.WriteLine(httpResponse.StatusCode);
        Stream st = httpResponse.GetResponseStream();
        StreamReader reader = new StreamReader(st, Encoding.GetEncoding("utf-8"));
        Console.WriteLine(reader.ReadToEnd());
    }

    public static string SHA256(string str)
    {
        byte[] SHA256Data = Encoding.UTF8.GetBytes(str);
        SHA256Managed Sha256 = new SHA256Managed();
        byte[] by = Sha256.ComputeHash(SHA256Data);
        return BitConverter.ToString(by).Replace("-", "").ToLower();
    }
}
 ``` 

``` Python
import requests
import time
import hashlib

appId = "聚美智数分配"
appSecret = "聚美智数分配"

url = "https://api.jumdata.com/keyword-extract/extract"
method = 'POST'

time = time.time()
timestamp = str(round(time * 1000))
print (timestamp)

tmp = appId + appSecret + timestamp
sign = hashlib.sha256(tmp.encode("utf8")).hexdigest()

bodys = {}
bodys['appId'] = appId // 聚美智数分配
bodys['timestamp'] = timestamp
bodys['sign'] = sign
bodys['productCode']='keyword_extract_extract' // 固定值
bodys['text'] = '' // 输入的文字 
bodys['num'] = '' // 关键词数量 需要多少个关键词，默认10

headers = {
'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8'
}

response = requests.post(url, data = bodys, headers = headers)
print (response.text)
 ```