access_token 是钉钉群机器人的id

java版

package io.renren.common.utils;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;

public class SendTextMessage {

    public static String WEBHOOK_TOKEN = "https://oapi.dingtalk.com/robot/send?access_token=0c8c8c01f2b93a7358c13743e7e79443e13a317b306883ab78e83339b19a321c";
    public static HttpClient httpclient = HttpClients.createDefault();

    public  static void sendDingDing(String msg) throws IOException {

        HttpPost httppost = new HttpPost(WEBHOOK_TOKEN);
        httppost.addHeader("Content-Type", "application/json; charset=utf-8");
        String format = String.format("{ \"msgtype\": \"text\", \"text\": {\"content\": \"%s\"}}", msg);
        StringEntity se = new StringEntity(format, "utf-8");
        httppost.setEntity(se);
        HttpResponse response = httpclient.execute(httppost);
        if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
            String result = EntityUtils.toString(response.getEntity(), "utf-8");
            System.out.println(result);
        }
    }

    public static void main(String[] args) throws IOException {
        sendDingDing("测试");
    }
}

python版

先安装依赖
pip install DingtalkChatbot

from dingtalkchatbot.chatbot import DingtalkChatbot
# 初始化机器人小丁
webhook = 'https://oapi.dingtalk.com/robot/send?access_token={access_token}'.format(access_token='0c8c8c01f2b93a7358c13743e7e79443e13a317b306883ab78e83339b19a321c')  # 填写你自己创建的机器人
xiaoding = DingtalkChatbot(webhook)
xiaoding.send_text(msg='你好~~~请自我介绍！')