钉钉群机器人定时发送消息并@所有人

1.添加钉钉自定义群机器人

参考文章如下：

官方网址；https://open-doc.dingtalk.com/docs/doc.htm?spm=a219a.7629140.0.0.p2lr6t&treeId=257&articleId=105733&docType=1

2.如何使用自定义群机器人：

参考文章：https://open-doc.dingtalk.com/docs/doc.htm?spm=a219a.7629140.0.0.karFPe&treeId=257&articleId=105735&docType=1

注意：使用Java程序时需导入相关jar包

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;
 
 
public class ChatbotSend {
 
    public static String WEBHOOK_TOKEN = "https://oapi.dingtalk.com/robot/send?access_token=xxxxxx";
 
    public static void main(String args[]) throws Exception{
 
        HttpClient httpclient = HttpClients.createDefault();
 
        HttpPost httppost = new HttpPost(WEBHOOK_TOKEN);
        httppost.addHeader("Content-Type", "application/json; charset=utf-8");
 
        
        String msg = "我就是我，是颜色不一样的烟火";
	String textMsg = "{ \"msgtype\": \"text\", \"text\": {\"content\": \"" + msg + "\"},\"at\":{\"isAtAll\":true} }";

        StringEntity se = new StringEntity(textMsg, "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);
        }
    }
}

jar包下载地址：https://blog.csdn.net/weixin_39549656/article/details/79156328

3.java程序打成jar包，并创建windows定时任务。
参考文章：https://www.cnblogs.com/xuezhezlr/p/7725301.html

注意：导出jar包，不同的eclipse版本导出的选项不同，要把jar包一起导出。

问题：
1.执行计划时，报：Unable to access jarfile
解决办法：.bat文件中jar的路径给全路径

@echo off
java -jar E:\jar\test.jar
pause

2.因为本机安装的jdk1.8，windows计划执行的时候报：has value '1.8',but'1.7' is required
解决办法：
https://www.cnblogs.com/freedom-wy/p/6945936.html
https://blog.csdn.net/manerfan/article/details/48492809

钉钉群机器人定时发送消息并@所有人

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