将ZooKeeper与Spring Boot集成开发可以帮助你更方便地管理和操作ZooKeeper集群。以下是一个简单的步骤指南，帮助你完成集成：
首先，在你的pom.xml文件中添加Spring Boot和ZooKeeper的依赖。
<dependencies> <!-- Spring Boot Starter Data ZooKeeper --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-zookeeper</artifactId> </dependency> <!-- 其他依赖 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies> 在你的application.yml或application.properties文件中配置ZooKeeper的连接信息。
application.yml:
spring: zookeeper: host: localhost:2181 port: 2181 session-timeout: 3000 connection-timeout: 3000 application.properties:
spring.zookeeper.host=localhost spring.zookeeper.port=2181 spring.zookeeper.session-timeout=3000 spring.zookeeper.connection-timeout=3000 创建一个配置类来初始化ZooKeeper的CuratorFramework客户端。
import org.apache.curator.framework.CuratorFramework; import org.apache.curator.framework.CuratorFrameworkFactory; import org.apache.curator.retry.ExponentialBackoffRetry; import org.springframework.beans.factory.annotation.Value; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class ZooKeeperConfig { @Value("${spring.zookeeper.host}") private String host; @Value("${spring.zookeeper.port}") private int port; @Bean public CuratorFramework curatorFramework() { return CuratorFrameworkFactory.builder() .connectString(host + ":" + port) .retryPolicy(new ExponentialBackoffRetry(1000, 3)) .build(); } } 在你的服务类中注入CuratorFramework客户端，并使用它来操作ZooKeeper。
import org.apache.curator.framework.CuratorFramework; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; @Service public class ZooKeeperService { @Autowired private CuratorFramework curatorFramework; public void createNode(String path) throws Exception { if (curatorFramework.checkExists().forPath(path) == null) { curatorFramework.create().creatingParentsIfNeeded().forPath(path); } } public void deleteNode(String path) throws Exception { if (curatorFramework.checkExists().forPath(path) != null) { curatorFramework.delete().deletingChildrenIfNeeded().forPath(path); } } public String readNode(String path) throws Exception { return curatorFramework.getData().forPath(path); } } 创建一个控制器来暴露RESTful API，以便外部应用程序可以访问ZooKeeper服务。
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.web.bind.annotation.*; @RestController @RequestMapping("/api/zookeeper") public class ZooKeeperController { @Autowired private ZooKeeperService zooKeeperService; @PostMapping("/createNode") public void createNode(@RequestParam String path) throws Exception { zooKeeperService.createNode(path); } @DeleteMapping("/deleteNode") public void deleteNode(@RequestParam String path) throws Exception { zooKeeperService.deleteNode(path); } @GetMapping("/readNode") public String readNode(@RequestParam String path) throws Exception { return zooKeeperService.readNode(path); } } 现在你可以启动你的Spring Boot应用程序，并使用RESTful API来操作ZooKeeper。
mvn spring-boot:run 通过以上步骤，你已经成功地将ZooKeeper集成到Spring Boot应用程序中，并创建了一个简单的RESTful API来管理ZooKeeper节点。
