<!--zkClient-->

        <!-- https://mvnrepository.com/artifact/com.101tec/zkclient -->

        <dependency>

            <groupId>com.101tec</groupId>

            <artifactId>zkclient</artifactId>

            <version>0.10</version>

        </dependency>

public class ZKClientDemo {

    //zookeeper地址。集群时使用逗号分隔

    private static final String zkServers = "127.0.0.1:2181";

    public static void main(String[] args) {

        //创建会话

        ZkClient zkClient = new ZkClient(zkServers, 3000);

        //创建节点

        String path = "/mynode";

        String data = "hello";

        //zkClient.createPersistent(path);

        //zkClient.createEphemeral(path);

        zkClient.create(path, data, CreateMode.PERSISTENT);

        System.out.println("是否存在mynode节点：" + zkClient.exists(path));

        //列出根下所有节点

        System.out.println("根下拥有的子节点：" + zkClient.getChildren("/"));

        //读取节点的数据

        System.out.println(zkClient.readData(path));

        //修改节点数据

        zkClient.writeData(path, "world");

        System.out.println(zkClient.readData(path));

        //删除节点

        zkClient.delete(path);

        //zkClient.delete(path, 1);//删除指定版本号的节点

        //zkClient.deleteRecursive(path);//级联删除所有子节点

        System.out.println("删除节点后：" + zkClient.getChildren("/"));

        //关闭客户端连接

        if (zkClient != null) {

            zkClient.close();

        }

    }

}