1、实例化WebClient对象
其实你也可以使用RestTemplate，我这里主要是用到了webflux框架，所以需要实例化客户端请求对象文章来源地址https://www.toymoban.com/news/detail-694510.html
@Bean
public WebClient webClient(){
HttpClient httpClient = getHttpClient();
return WebClient.builder()
.clientConnector(new ReactorClientHttpConnector(httpClient)).build();
}
private HttpClient getHttpClient() {
ConnectionProvider provider = ConnectionProvider.builder("你爱咋咋的，一般用你项目名即可")
.maxConnections(500)
.maxIdleTime(Duration.ofSeconds(10))
.maxLifeTime(Duration.ofSeconds(20))
.pendingAcquireTimeout(Duration.ofSeconds(30))
.pendingAcquireTimer((r, d) -> {
Timeout t = wheel.newTimeout(timeout -> r.run(), d.toMillis(), TimeUnit.MILLISECONDS);
return () -> t.cancel();
})
.fifo()
.build();
HttpClient httpClient = HttpClient.create(provider);
return httpClient;
}
2、发送及有效性测试工具类
import cn.hutool.core.date.DateUtil;
import cn.hutool.json.JSONArray;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.apache.tomcat.util.codec.binary.Base64;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.stereotype.Component;
import org.springframework.web.reactive.function.BodyInserters;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import static com.paratera.console.notice.utils.Constants.*;
/**
* 机器人发送工具类（微信，飞书，钉钉）
*
* @author huxiang
*/
@Component
@Slf4j
public class RobotUtil {
@Autowired
private WebClient webClient;
/**
* 机器人发送消息（markdown格式）
*
* @param robotUrl 机器人地址
* @param type 类型：1微信，2飞书，3钉钉
* @param context markdown文本内容
* @param signSecret 签名校验(飞书，钉钉使用，可为空,具体要根据用户是否启用签名)
*/
public void sendMsg(String robotUrl, Integer type, String context, String signSecret) {
JSONObject msgObj = JSONUtil.createObj();
JSONObject mdObj = JSONUtil.createObj();
switch (type) {
case ROBOT_TYPE_WX:
msgObj.set("msgtype", "markdown");
mdObj.set("content", context);
msgObj.set("markdown", mdObj);
break;
case ROBOT_TYPE_FS:
if (StringUtils.isNotEmpty(signSecret)) {
msgObj = getFsSignObj(signSecret);
}
msgObj.set("msg_type", "interactive");
mdObj.set("tag", "lark_md");
mdObj.set("content", context);
JSONArray elements = JSONUtil.createArray();
JSONObject wrapObj = JSONUtil.createObj();
wrapObj.set("tag", "div");
wrapObj.set("text", mdObj);
elements.put(wrapObj);
JSONObject cardObj = JSONUtil.createObj();
cardObj.set("elements", elements);
msgObj.set("card", cardObj);
break;
case ROBOT_TYPE_DD:
if (StringUtils.isNotEmpty(signSecret)) {
robotUrl = getDdRobotURL(robotUrl, signSecret);
}
msgObj.set("msgtype", "markdown");
mdObj.set("title", "通知");
mdObj.set("text", context);
msgObj.set("markdown", mdObj);
break;
}
webClient.post()
.uri(robotUrl)
.contentType(MediaType.APPLICATION_JSON)
.body(BodyInserters.fromValue(msgObj))
.retrieve().bodyToMono(String.class).subscribe(
result -> {
log.info("机器人通知发送结果：" + result);
}
);
}
/**
* 机器人有效性测试 0表示成功，其他表示失败
*
* @param robotUrl 机器人地址
* @param type 类型：1微信，2飞书，3钉钉
* @param signSecret 签名校验(飞书，钉钉使用，可为空,具体要根据用户是否启用签名)
* @return
*/
public Integer sendTestMsg(String robotUrl, Integer type, String signSecret) {
JSONObject msgObj = JSONUtil.createObj();
JSONObject mdObj = JSONUtil.createObj();
ObjectMapper mapper = new ObjectMapper();
switch (type) {
case ROBOT_TYPE_WX:
msgObj.set("msgtype", "markdown");
mdObj.set("content", "机器人有效性测试！");
msgObj.set("markdown", mdObj);
break;
case ROBOT_TYPE_FS:
if (StringUtils.isNotEmpty(signSecret)) {
msgObj = getFsSignObj(signSecret);
}
msgObj.set("msg_type", "interactive");
mdObj.set("tag", "lark_md");
mdObj.set("content", "机器人有效性测试！");
JSONArray elements = JSONUtil.createArray();
JSONObject wrapObj = JSONUtil.createObj();
wrapObj.set("tag", "div");
wrapObj.set("text", mdObj);
elements.put(wrapObj);
JSONObject cardObj = JSONUtil.createObj();
cardObj.set("elements", elements);
msgObj.set("card", cardObj);
break;
case ROBOT_TYPE_DD:
if (StringUtils.isNotEmpty(signSecret)) {
robotUrl = getDdRobotURL(robotUrl, signSecret);
}
msgObj.set("msgtype", "markdown");
mdObj.set("title", "通知");
mdObj.set("text", "机器人有效性测试！");
msgObj.set("markdown", mdObj);
break;
}
Mono<String> mono = webClient.post()
.uri(robotUrl)
.contentType(MediaType.APPLICATION_JSON)
.body(BodyInserters.fromValue(msgObj))
.retrieve().bodyToMono(String.class);
String result = mono.block();
try {
Map res = mapper.readValue(result, Map.class);
return (Integer) (res.containsKey("errcode") ? res.get("errcode") : res.get("code"));
} catch (JsonProcessingException e) {
log.error("类型转换异常-RobotUtil.sendTestMsg：" + e);
}
return -1;
}
/**
* 飞书获取带签名的消息体
*
* @return
*/
public JSONObject getFsSignObj(String signSecret) {
JSONObject signObj = JSONUtil.createObj();
Long timestamp = DateUtil.currentSeconds();
String sign = null;
try {
//把timestamp+"\n"+密钥当做签名字符串
String stringToSign = timestamp + "\n" + signSecret;
//使用HmacSHA256算法计算签名
Mac mac = Mac.getInstance("HmacSHA256");
mac.init(new SecretKeySpec(stringToSign.getBytes(StandardCharsets.UTF_8), "HmacSHA256"));
byte[] signData = mac.doFinal(new byte[]{});
sign = Base64.encodeBase64String(signData);
} catch (Exception e) {
log.error("飞书获取签名失败:" + e);
}
if (StringUtils.isEmpty(sign)) {
return null;
}
signObj.set("timestamp", timestamp);
signObj.set("sign", sign);
return signObj;
}
/**
* 钉钉获取带签名的机器人推送URL
*
* @return
*/
public String getDdRobotURL(String robotUrl, String signSecret) {
Long timestamp = System.currentTimeMillis();
String stringToSign = timestamp + "\n" + signSecret;
String sign = null;
try {
Mac mac = Mac.getInstance("HmacSHA256");
mac.init(new SecretKeySpec(signSecret.getBytes("UTF-8"), "HmacSHA256"));
byte[] signData = mac.doFinal(stringToSign.getBytes("UTF-8"));
sign = URLEncoder.encode(Base64.encodeBase64String(signData), "UTF-8");
} catch (Exception e) {
log.error("钉钉获取签名失败:" + e);
}
if (StringUtils.isEmpty(sign)) {
return null;
}
return robotUrl + "×tamp=" + timestamp + "&sign=" + sign;
}
}
文章来源：https://www.toymoban.com/news/detail-694510.html
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