dingding发送群消息demo

刘小明

2024-09-18 09fcc9929a430d812f57c1ea06e5562b403c9d8c

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package com.dy.pmsGlobal.util;
 
import com.dingtalk.api.DefaultDingTalkClient;
import com.dingtalk.api.DingTalkClient;
import com.dingtalk.api.request.OapiRobotSendRequest;
import com.dingtalk.api.response.OapiRobotSendResponse;
import com.taobao.api.ApiException;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.binary.Base64;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
 
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
 
@Slf4j
@Component
public class DingDingUtils {
 
    @Value("${dingtalk.robot.access-token}")
    private String custom_robot_token;
 
//    public static final String USER_ID= "<you need @ group user's userId>";
    @Value("${dingtalk.at-all}")
    private boolean at_all;
 
    @Value("${dingtalk.robot.secret}")
    private String secret;
 
    @Value("${dingtalk.robot.url}")
    private String url;
 
    public OapiRobotSendResponse send(String msg) {
        try {
            Long timestamp = System.currentTimeMillis();
            String sign = sign(timestamp, secret);
            System.out.println(sign);
            //sign字段和timestamp字段必须拼接到请求URL上，否则会出现 310000 的错误信息
            DingTalkClient client = new DefaultDingTalkClient(url+"?sign="+sign+"&timestamp="+timestamp);
            OapiRobotSendRequest req = new OapiRobotSendRequest();
            /**
             * 发送文本消息
             */
            //定义文本内容
            OapiRobotSendRequest.Text text = new OapiRobotSendRequest.Text();
            text.setContent(msg);
            //定义 @ 对象
            OapiRobotSendRequest.At at = new OapiRobotSendRequest.At();
            if(at_all) {
                at.setIsAtAll(true);
            }
            //设置消息类型
            req.setMsgtype("text");
            req.setText(text);
            req.setAt(at);
            OapiRobotSendResponse rsp = client.execute(req, custom_robot_token);
            log.error("钉钉响应:"+rsp);
            return rsp;
        } catch (ApiException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        } catch (InvalidKeyException e) {
            throw new RuntimeException(e);
        }
        return null;
    }
 
    private String sign(Long timestamp, String secret) throws NoSuchAlgorithmException, UnsupportedEncodingException, InvalidKeyException {
        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");
        return sign;
    }
 
}