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caishi 2025-01-24 10:19:51 +08:00
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/* // Refer to document: https://github.com/nacos-group/nacos-examples/tree/master/nacos-spring-boot-example/nacos-spring-boot-config-example
* Demo for Nacos package com.alibaba.nacos.example.spring.boot.controller;
* pom.xml
<dependency>
<groupId>com.alibaba.nacos</groupId>
<artifactId>nacos-client</artifactId>
<version>${version}</version>
</dependency>
*/
package com.alibaba.nacos.example;
import java.util.Properties; import org.springframework.beans.factory.annotation.Value;
import java.util.concurrent.Executor; import org.springframework.stereotype.Controller;
import com.alibaba.nacos.api.NacosFactory; import org.springframework.web.bind.annotation.RequestMapping;
import com.alibaba.nacos.api.config.ConfigService; import org.springframework.web.bind.annotation.ResponseBody;
import com.alibaba.nacos.api.config.listener.Listener;
import com.alibaba.nacos.api.exception.NacosException;
/** import static org.springframework.web.bind.annotation.RequestMethod.GET;
* Config service example
*
* @author Nacos
*
*/
public class ConfigExample {
public static void main(String[] args) throws NacosException, InterruptedException { @Controller
String serverAddr = "localhost"; @RequestMapping("config")
String dataId = "application-prod.yml"; public class ConfigController {
String group = "DEFAULT_GROUP";
Properties properties = new Properties(); @Value("${useLocalCache:false}")
properties.put(PropertyKeyConst.SERVER_ADDR, serverAddr); private boolean useLocalCache;
ConfigService configService = NacosFactory.createConfigService(properties);
String content = configService.getConfig(dataId, group, 5000); public void setUseLocalCache(boolean useLocalCache) {
System.out.println(content); this.useLocalCache = useLocalCache;
configService.addListener(dataId, group, new Listener() {
@Override
public void receiveConfigInfo(String configInfo) {
System.out.println("receive:" + configInfo);
} }
@Override @RequestMapping(value = "/get", method = GET)
public Executor getExecutor() { @ResponseBody
return null; public boolean get() {
} return useLocalCache;
});
boolean isPublishOk = configService.publishConfig(dataId, group, "content");
System.out.println(isPublishOk);
Thread.sleep(3000);
content = configService.getConfig(dataId, group, 5000);
System.out.println(content);
boolean isRemoveOk = configService.removeConfig(dataId, group);
System.out.println(isRemoveOk);
Thread.sleep(3000);
content = configService.getConfig(dataId, group, 5000);
System.out.println(content);
Thread.sleep(300000);
} }
} }