这个只能获取单个，想获取所有节点的

想实现的是通过监听所有节点，获取所有providers的信息

@Nervermore10086: 实现了吗？也需要这块代码逻辑，能参考下吗

@publicName: package com.daydao.dubbo.rest.gateway.zookeeper;

import com.daydao.dubbo.rest.gateway.properties.ZookeeperProperties;
import com.daydao.dubbo.rest.gateway.util.SpringContextHolder;
import lombok.extern.slf4j.Slf4j;
import org.apache.zookeeper.*;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;

/**

• 参考文章

• https://www.cnblogs.com/jhxxb/p/10759851.html

• http://zookeeper.apache.org/doc/r3.4.14/javaExample.html

• https://my.oschina.net/u/164027/blog/1921308

• */
  @Configuration
  @Slf4j
  public class DistributeClient implements Watcher {

  private ZookeeperProperties zookeeperProperties;

  //zookeeper连接
  private ZooKeeper zkClient;

  /**

  • 所有Rest服务提供者
    */
    public static Map<String, Set<ApplicationNetInfo>> restProviders = new ConcurrentHashMap<>();

  public DistributeClient(){
  try {
  zookeeperProperties = SpringContextHolder.getBean(ZookeeperProperties.class);
  // 获取 zookeeper 集群连接
  zkClient = new ZooKeeper(zookeeperProperties.getUrl(), zookeeperProperties.getSessionTimeout(), this);
  // 注册监听
  getChildren();
  }catch (Exception e){
  log.error("初始化失败：{0}",e);
  }
  }

  @Override
  public void process(WatchedEvent event) {
  if (event.getState() == Event.KeeperState.Expired) {
  try {
  zkClient = new ZooKeeper(zookeeperProperties.getUrl(), zookeeperProperties.getSessionTimeout(), this);
  } catch (IOException e) {
  log.warn("fail to connect to zoo keeper", e);
  }
  }else{
  try {
  getChildren();
  }catch (Exception e){
  log.error("监听ZK节点异常：{}",e);
  }
  }
  }

  /**

  • 获取所有dubbo下面的rest服务相关信息

  • @throws KeeperException

  • @throws InterruptedException
    */
    private void getChildren() throws KeeperException, InterruptedException {

    //返回给定路径的节点的统计信息。 如果没有，则返回null
    if (zkClient.exists("/dubbo", false) == null) {
    zkClient.create("/dubbo", "server".getBytes(), ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    }

    // 监听 /dubbo 节点
    List<String> children = zkClient.getChildren("/dubbo", true);
    Map<String, Set<ApplicationNetInfo>> searchRestProviders = new ConcurrentHashMap<>();
    for (String child : children) {
    // 获取/dubbo节点下面的所有的服务提供者
    List<String> listProvider = zkClient.getChildren("/dubbo/" + child + "/providers", true, null);

     Iterator<String> itListProvider = listProvider.iterator();
    
     while (itListProvider.hasNext()) {
         String zkInfo = itListProvider.next();
    
         //只筛选rest服务
         if (zkInfo.startsWith("rest")) {
             zkInfo = zkInfo.replaceAll("%3A", ":").replaceAll("%2F", "/")  //过滤URL 包含中文
                     .replaceAll("%3F", "?").replaceAll("%3D", "=").replaceAll(
                             "%26", "&");
    
             String application = getApplication(zkInfo);
             //进行去重的判断（可能存在重复的信息，相同的信息只保存一次即可）
             if(searchRestProviders.get(application) == null)
                 searchRestProviders.put(application,new HashSet<ApplicationNetInfo>());
    
             searchRestProviders.get(application).add(ApplicationNetInfo.builder().application(application).ip(getIP(zkInfo)).port(getPort(zkInfo)).build());
         }
         itListProvider.remove();
     }
    

    }
    //更新缓存，后期还可以优化，不用批量更新
    restProviders = searchRestProviders;
    }

  /**

  • 截取
  • @param str
  • @return
    */
    private String getIP(String str){
    String[] split = str.split("//");
    return split[1].split("😊[0];
    }

  /**

  • 截取port
  • @param str
  • @return
    */
    private String getPort(String str){
    String[] split = str.split("//");
    return split[1].split("😊[1].split("/")[0];
    }

  /**

  • 截取application
  • @param str
  • @return
    */
    private String getApplication(String str){
    String application = "";
    String[] split = str.split("&");
    for (String item:split) {
    if (item.startsWith("application")){
    application = item.split("=")[1];
    break;
    }
    }
    return application;
    }

  /**

  • 返回所有rest服务信息
  • @return
    */
    public Map<String, Set<ApplicationNetInfo>> getApplicationNetInfos(){
    return restProviders;
    }

}

@Nervermore10086: 非常感谢您