Dingtalk send message

Dependency package ：

<dependency>
            <groupId>com.aliyun</groupId>
            <artifactId>alibaba-dingtalk-service-sdk</artifactId>
            <version>2.0.0</version>
        </dependency>

Code implementation ：

package com.sq.proxy.job;

import com.alibaba.fastjson.JSON;
import com.dingtalk.api.DefaultDingTalkClient;
import com.dingtalk.api.DingTalkClient;
import com.dingtalk.api.request.OapiRobotSendRequest;
import com.dingtalk.api.response.OapiRobotSendResponse;
import org.apache.commons.codec.binary.Base64;

import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.net.URLEncoder;
import java.util.Arrays;

public class DingTalk3 {

    static String webHook = "https://oapi.dingtalk.com/robot/send?access_token=xxx";


    public static void main(String[] args_) throws Exception {

        Long timestamp = System.currentTimeMillis();
        String secret = "SEC6cd99f5d8e817df66c5759c246897b51c6be82a4df8f2ce6b8b39a7adfa3bfff";

        String stringToSign = timestamp + "\n" + secret;
        Mac mac = Mac.getInstance("HmacSHA256");
        mac.init(new SecretKeySpec(secret.getBytes("UTF-8"), "HmacSHA256"));
        byte[] signData = mac.doFinal(stringToSign.getBytes("UTF-8"));
        String sign = URLEncoder.encode(new String(Base64.encodeBase64(signData)),"UTF-8");

        DingTalkClient client = new DefaultDingTalkClient(webHook+"&sign="+sign+"&timestamp="+timestamp);

        OapiRobotSendRequest request = new OapiRobotSendRequest();
        request.setMsgtype("text");
        OapiRobotSendRequest.Text text = new OapiRobotSendRequest.Text();
        text.setContent(" Test text messages ");
        request.setText(text);
        OapiRobotSendRequest.At at = new OapiRobotSendRequest.At();
        at.setAtMobiles(Arrays.asList("150xx41","137yyy64"));
// isAtAll If the type is not Boolean, Please upgrade to the latest SDK
        at.setIsAtAll(true);
//        at.setAtUserIds(Arrays.asList("109929","32099"));
        request.setAt(at);

        request.setMsgtype("link");
        OapiRobotSendRequest.Link link = new OapiRobotSendRequest.Link();
        link.setMessageUrl("https://www.dingtalk.com/");
        link.setPicUrl("");
        link.setTitle(" The train of the times is moving forward ");
        link.setText(" This new version is coming out , founder xx Call it mangrove . And before that , Whenever faced with a major upgrade , Product managers will take a code for the occasion , This time, , Why mangroves ");
        request.setLink(link);

//        request.setMsgtype("markdown");
//        OapiRobotSendRequest.Markdown markdown = new OapiRobotSendRequest.Markdown();
//        markdown.setTitle(" The weather in Hangzhou ");
//        markdown.setText("####  The weather in Hangzhou  @156xxxx8827\n" +
//                "> 9 degree , The northwest 1 level , The air is good 89, Relative temperature 73%\n\n" +
//                "> ![screenshot](https://gw.alicdn.com/tfs/TB1ut3xxbsrBKNjSZFpXXcXhFXa-846-786.png)\n"  +
//                "> ###### 10 spot 20 Sub release  [ The weather ](http://www.thinkpage.cn/) \n");
//        request.setMarkdown(markdown);


        OapiRobotSendResponse response = client.execute(request);
        System.out.println(JSON.toJSON(response));
    }
}

common problem ：

        1： If you want to @ How can someone achieve it ？

                1.1  will @ Put the mobile phone number of the person in setAtMobiles In the method

                1.2 stay text In the news @ cell-phone number To achieve .

Reference resources :

         Custom robot access - Nail open platform