下面是 Spring Boot 实现钉钉机器人消息推送的完整攻略。

1. 准备工作

在开始之前，需要完成以下几个步骤：

在钉钉工作台上创建一个自定义机器人。
获取钉钉机器人的 Webhook 值。

2. 新建 Spring Boot 项目

使用 Spring Initializr 创建一个新的 Spring Boot 项目。在这个项目中，我们需要引入以下依赖：

<dependency>
  <groupId>com.alibaba</groupId>
  <artifactId>fastjson</artifactId>
  <version>1.2.73</version>
</dependency>

<dependency>
  <groupId>com.dingtalk</groupId>
  <artifactId>taobao-sdk-java</artifactId>
  <version>20210420</version>
</dependency>

3. 创建钉钉机器人类和消息类

创建一个名为 DingtalkRobot 的类，用于发送消息和处理异常。代码如下：

import java.util.Collections;

import com.taobao.api.ApiException;
import com.taobao.api.DefaultTaobaoClient;
import com.taobao.api.TaobaoClient;
import com.taobao.api.request.OapiRobotSendRequest;
import com.taobao.api.response.OapiRobotSendResponse;

public class DingtalkRobot {

  private static final String DINGTALK_URL = "https://oapi.dingtalk.com/robot/send";

  private final String accessKey;

  public DingtalkRobot(String accessKey) {
    this.accessKey = accessKey;
  }

  public boolean sendMessage(String message) {
    TaobaoClient client = new DefaultTaobaoClient(DINGTALK_URL, accessKey, "");
    OapiRobotSendRequest request = new OapiRobotSendRequest();
    request.setMsgtype("text");
    request.setText(new OapiRobotSendRequest.Text());
    request.getText().setContent(message);
    request.setAt(new OapiRobotSendRequest.At());
    request.getAt().setAtMobiles(Collections.singletonList("12345678901"));
    request.getAt().setIsAtAll(false);
    try {
      OapiRobotSendResponse response = client.execute(request);
      if ("ok".equals(response.getErrmsg())) {
        return true;
      }
    } catch (ApiException e) {
      e.printStackTrace();
    }
    return false;
  }
}

创建一个名为 DingtalkMessage 的类，用于存储需要发送的消息。这个类包含了通用的消息格式。代码如下：

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

public class DingtalkMessage {

  public static final String MARKDOWN_TYPE = "markdown";
  public static final String TEXT_TYPE = "text";

  private String type;
  private Map<String, Object> content;
  private boolean atAll = false;
  private String[] atMobiles = new String[0];

  public DingtalkMessage() {
    this.type = TEXT_TYPE;
    this.content = new HashMap<>();
  }

  public DingtalkMessage(String type) {
    this.type = type;
    this.content = new HashMap<>();
  }

  public String getType() {
    return type;
  }

  public void setType(String type) {
    this.type = type;
  }

  public Map<String, Object> getContent() {
    return content;
  }

  public void setContent(Map<String, Object> content) {
    this.content = content;
  }

  public boolean isAtAll() {
    return atAll;
  }

  public void setAtAll(boolean atAll) {
    this.atAll = atAll;
  }

  public String[] getAtMobiles() {
    return atMobiles;
  }

  public void setAtMobiles(String[] atMobiles) {
    this.atMobiles = atMobiles;
  }

  public DingtalkMessage addContent(String key, Object value) {
    this.content.put(key, value);
    return this;
  }

  public DingtalkMessage addAtMobile(String mobile) {
    String[] newAtMobiles = new String[atMobiles.length + 1];
    System.arraycopy(atMobiles, 0, newAtMobiles, 0, atMobiles.length);
    newAtMobiles[atMobiles.length] = mobile;
    this.atMobiles = newAtMobiles;
    return this;
  }
}

4. 发送消息

要发送一条消息，可以按照以下步骤操作：

创建一个 DingtalkRobot 对象，并传入钉钉机器人的 accessKey。
创建一个 DingtalkMessage 对象。
设置 DingtalkMessage 的内容和 atMobiles 属性。
调用 DingtalkRobot 的 sendMessage 方法，发送消息。

示例：

public static void main(String[] args) {
  // 1. 创建一个 DingtalkRobot 对象并传入钉钉机器人的 accessKey
  String accessKey = "钉钉机器人的 accessKey";
  DingtalkRobot robot = new DingtalkRobot(accessKey);

  // 2. 创建一个 DingtalkMessage 对象
  String title = "这是一条测试消息";
  String content = "测试内容...";
  DingtalkMessage message = new DingtalkMessage();
  message.setType(DingtalkMessage.MARKDOWN_TYPE);
  message.addContent("title", title)
         .addContent("text", content)
         .addAtMobile("12345678901");

  // 3. 发送消息
  robot.sendMessage(message);
}

5. 示例代码

下面给出一个更完整的代码示例：

import java.util.Collections;

import com.taobao.api.ApiException;
import com.taobao.api.DefaultTaobaoClient;
import com.taobao.api.TaobaoClient;
import com.taobao.api.request.OapiRobotSendRequest;
import com.taobao.api.response.OapiRobotSendResponse;

public class DingtalkRobot {

  private static final String DINGTALK_URL = "https://oapi.dingtalk.com/robot/send";

  private final String accessKey;

  public DingtalkRobot(String accessKey) {
    this.accessKey = accessKey;
  }

  public boolean sendMessage(DingtalkMessage message) {
    TaobaoClient client = new DefaultTaobaoClient(DINGTALK_URL, accessKey, "");
    OapiRobotSendRequest request = new OapiRobotSendRequest();
    request.setMsgtype(message.getType());
    switch (message.getType()) {
      case DingtalkMessage.TEXT_TYPE:
        request.setText(new OapiRobotSendRequest.Text());
        request.getText().setContent((String) message.getContent().get("text"));
        break;
      case DingtalkMessage.MARKDOWN_TYPE:
        request.setMarkdown(new OapiRobotSendRequest.Markdown());
        request.getMarkdown().setTitle((String) message.getContent().get("title"));
        request.getMarkdown().setText((String) message.getContent().get("text"));
        break;
      default:
        throw new IllegalArgumentException("Unsupported message type");
    }
    if (message.isAtAll()) {
      request.setAt(new OapiRobotSendRequest.At().setIsAtAll(true));
    } else {
      request.setAt(new OapiRobotSendRequest.At().setAtMobiles(convertToJavaList(message.getAtMobiles())));
    }
    try {
      OapiRobotSendResponse response = client.execute(request);
      if ("ok".equals(response.getErrmsg())) {
        return true;
      }
    } catch (ApiException e) {
      e.printStackTrace();
    }
    return false;
  }

  private <T> java.util.List<T> convertToJavaList(T[] arr) {
    if (arr == null) {
      return Collections.emptyList();
    }
    return java.util.Arrays.asList(arr);
  }
}

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

public class DingtalkMessage {

  public static final String MARKDOWN_TYPE = "markdown";
  public static final String TEXT_TYPE = "text";

  private String type;
  private Map<String, Object> content;
  private boolean atAll = false;
  private String[] atMobiles = new String[0];

  public DingtalkMessage() {
    this.type = TEXT_TYPE;
    this.content = new HashMap<>();
  }

  public DingtalkMessage(String type) {
    this.type = type;
    this.content = new HashMap<>();
  }

  public String getType() {
    return type;
  }

  public void setType(String type) {
    this.type = type;
  }

  public Map<String, Object> getContent() {
    return content;
  }

  public void setContent(Map<String, Object> content) {
    this.content = content;
  }

  public boolean isAtAll() {
    return atAll;
  }

  public void setAtAll(boolean atAll) {
    this.atAll = atAll;
  }

  public String[] getAtMobiles() {
    return atMobiles;
  }

  public void setAtMobiles(String[] atMobiles) {
    this.atMobiles = atMobiles;
  }

  public DingtalkMessage addContent(String key, Object value) {
    this.content.put(key, value);
    return this;
  }

  public DingtalkMessage addAtMobile(String mobile) {
    String[] newAtMobiles = new String[atMobiles.length + 1];
    System.arraycopy(atMobiles, 0, newAtMobiles, 0, atMobiles.length);
    newAtMobiles[atMobiles.length] = mobile;
    this.atMobiles = newAtMobiles;
    return this;
  }
}

import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class Application {

  public static void main(String[] args) {
    String accessKey = "钉钉机器人的 accessKey";
    DingtalkRobot robot = new DingtalkRobot(accessKey);
    String title = "这是一条测试消息";
    String content = "测试内容...";
    DingtalkMessage message = new DingtalkMessage();
    message.setType(DingtalkMessage.MARKDOWN_TYPE);
    message.addContent("title", title)
         .addContent("text", content)
         .addAtMobile("12345678901");
    robot.sendMessage(message);
  }
}

上面的代码演示了一个用于发送钉钉机器人消息的示例。如果你需要发送多条消息，只需要创建多个 DingtalkMessage 对象，并循环调用 DingtalkRobot 的 sendMessage 方法即可。

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SpringBoot实现钉钉机器人消息推送的示例代码

1. 准备工作

2. 新建 Spring Boot 项目

3. 创建钉钉机器人类和消息类

4. 发送消息

5. 示例代码

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