Springboot整合企业微信机器人助手推送消息的实现

<!-- http请求工具 -->
<dependency>
    <groupId>com.dtflys.forest</groupId>
    <artifactId>forest-spring-boot-starter</artifactId>
    <version>1.5.14</version>
</dependency>

## 轻量级HTTP客户端框架forest
forest:
  # 配置底层API为 okhttp3
  backend: okhttp3
  # 连接池最大连接数，默认值为500
  max-connections: 1000
  # 每个路由的最大连接数，默认值为500
  max-route-connections: 500
  # 请求超时时间，单位为毫秒, 默认值为3000
  timeout: 3000
  # 连接超时时间，单位为毫秒, 默认值为2000
  connect-timeout: 3000
  # 请求失败后重试次数，默认为0次不重试
  retry-count: 1
  # 单向验证的HTTPS的默认SSL协议，默认为SSLv3
  ssl-protocol: SSLv3
  # 打开或关闭日志，默认为true
  logEnabled: true
  # 打开/关闭Forest请求日志（默认为 true）
  log-request: true
  # 打开/关闭Forest响应状态日志（默认为 true）
  log-response-status: true
  # 打开/关闭Forest响应内容日志（默认为 false）
  log-response-content: true
 
wechat:
  notice:
    key: 3f66977b-****-4af5-****-59*0c4****3d
server:
  port: 8571

import com.dtflys.forest.annotation.JSONBody;
import com.dtflys.forest.annotation.Post;
import com.dtflys.forest.annotation.Var;
import org.springframework.stereotype.Component;
 
import java.util.Map;
 
/**
 * @Author: JCccc
 * @Date: 2022-5-27 14:44
 * @Description: 企业微信机器人通知client
 */
@Component
public interface WechatNoticeClient {
    @Post(
            url = "https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key={key}",
            headers = {
                    "Accept-Charset: utf-8",
                    "Content-Type: application/json"
            },
            dataType = "json")
    void sendWechatMsg(@Var("key") String key, @JSONBody Map<String, Object> body);
 
 
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import sun.misc.BASE64Encoder;
 
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
/**
 * @Author: JCccc
 * @Date: 2022-5-27 14:48
 * @Description:
 */
@Component
public class MyNoticeUtil {
    @Autowired
    private WechatNoticeClient wechatNoticeClient;
    @Value("${wechat.notice.key}")
    private String NOTICE_KEY;
 
    /**
     * 发送文本消息
     */
    public void sendTextMsg() {
        Map<String, Object> sendMap = new HashMap<>();
        //设置消息类型 txt文本
        sendMap.put("msgtype", "text");
        Map<String, String> contentMap = new HashMap<>();
        contentMap.put("content", "你好，我是JCccc的机器人");
        sendMap.put("text", contentMap);
        wechatNoticeClient.sendWechatMsg(NOTICE_KEY, sendMap);
    }
 
    /**
     * 发送markdown文本消息
     */
    public void sendMarkDownTextMsg() {
        Map<String, Object> sendMap = new HashMap<>();
        //设置消息类型 markdown文本
        sendMap.put("msgtype", "markdown");
        Map<String, String> contentMap = new HashMap<>();
        contentMap.put("content", "JCccc,您的账户余额已到账<font color=\\\"warning\\\">15000元</font>，开心起来吧。\\\n" +
                "         >付款方:<font color=\\\"comment\\\">白日做梦</font>");
        sendMap.put("markdown", contentMap);
        wechatNoticeClient.sendWechatMsg(NOTICE_KEY, sendMap);
    }
 
    /**
     * 发送图片消息
     */
    public void sendImageMsg() {
        String url = "D:\\Program Files\\KmProjects\\dotest\\src\\main\\resources\\static\\test.png";
        Map<String, Object> sendMap = new HashMap<>();
        sendMap.put("msgtype", "image");
        Map<String, String> contentMap = new HashMap<>();
        contentMap.put("md5", getMd5(url));
        contentMap.put("base64", getBase64(url).replaceAll("\r|\n", ""));
        sendMap.put("image", contentMap);
        wechatNoticeClient.sendWechatMsg(NOTICE_KEY, sendMap);
    }
 
    /**
     * 发送图文消息
     */
    public void sendImageAndTxtMsg() {
        Map<String, Object> sendMap = new HashMap<>();
        sendMap.put("msgtype", "news");
        Map<String, Object> contentMap = new HashMap<>();
        List<Map<String, Object>> list = new ArrayList<>();
        Map<String, Object> obj = new HashMap<>();
        obj.put("title", "小目标青年的博客");
        obj.put("description", "大家给他点点赞！");
        obj.put("url", "https://blog.csdn.net/qq_35387940");
        obj.put("picurl", "https://img-blog.csdnimg.cn/6bc435ac39514cb780739ea1cc34c409.png");
        list.add(obj);
        contentMap.put("articles", list);
        sendMap.put("news", contentMap);
        wechatNoticeClient.sendWechatMsg(NOTICE_KEY, sendMap);
    }
 
 
    /**
     * 图片转为base64编码
     */
    public String getBase64(String imgFile) {
        InputStream in = null;
        byte[] data = null;
        //  读取图片字节数组
        try {
            in = new FileInputStream(imgFile);
            data = new byte[in.available()];
            in.read(data);
            in.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
        // 对字节数组Base64编码
        BASE64Encoder encoder = new BASE64Encoder();
        // 返回Base64编码过的字节数组字符串
        return encoder.encode(data);
    }
 
    /**
     * 获取文件的MD5值
     *
     * @param path
     * @return
     */
    public String getMd5(String path) {
        try {
            MessageDigest md5 = MessageDigest.getInstance("MD5");
            FileInputStream fis = new FileInputStream(path);
            byte[] buffer = new byte[1024];
            int len;
            while ((len = fis.read(buffer)) != -1) {
                md5.update(buffer, 0, len);
            }
            fis.close();
            byte[] byteArray = md5.digest();
            StringBuilder sb = new StringBuilder();
            for (byte b : byteArray) {
                sb.append(String.format("%02x", b));
            }
            return sb.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }
 
 
}

import com.jc.dotest.wechat.MyNoticeUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
 
/**
 * @Author: JCccc
 * @Date: 2022-5-27 14:52
 * @Description:
 */
@RestController
public class TestController {
 
    @Autowired
    MyNoticeUtil myNoticeUtil;
 
    @GetMapping("/doTest")
    public String doTest(@RequestParam("testType") String testType){
        if (testType.equals("1")){
            myNoticeUtil.sendTextMsg();
        }
        if (testType.equals("2")){
            myNoticeUtil.sendMarkDownTextMsg();
        }
        if (testType.equals("3")){
            myNoticeUtil.sendImageMsg();
        }
        if (testType.equals("4")){
            myNoticeUtil.sendImageAndTxtMsg();
        }
        return "success";
    }
 
}