Nacos 启动
bin 目录下启动
sh startup.sh -m standalone
Nacos 增加配置
info:rentao
项目集成
- 引入依赖
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>nacos-config-spring-boot-starter</artifactId>
<version>0.2.2</version>
</dependency>
- 项目使用
import com.alibaba.nacos.api.config.annotation.NacosValue;
import com.alibaba.nacos.spring.context.annotation.config.NacosPropertySource;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
@NacosPropertySource(dataId = "example",groupId = "DEFAULT_GROUP",autoRefreshed = true)
@RestController
public class NacosConfigController {
/**
* 当前的info这个属性,回去nacos-server找到对应的info这个属性
* 高可用性
* hello Nacos表示本地属性(降级属性)
*/
@NacosValue(value = "${info:hello xxx}",autoRefreshed = true)
private String info;
@GetMapping("/get")
public String get(){
return info;
}
}
- 引入依赖
<dependency>
<groupId>com.alibaba.nacos</groupId>
<artifactId>nacos-client</artifactId>
<version>1.1.1</version>
</dependency>
- 项目使用
import com.alibaba.nacos.api.NacosFactory;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.config.listener.Listener;
import com.alibaba.nacos.api.exception.NacosException;
import java.util.Properties;
import java.util.concurrent.Executor;
public class NacosSdkDemo {
public static void main(String[] args) {
//连接到目标服务的地址
//指定dataid、 groupid
String serverAddr="localhost:8848";
String dataId="example";
String groupId="DEFAULT_GROUP";
Properties properties=new Properties();
properties.put("serverAddr",serverAddr);
try {
//ConfigService-> NacosConfigService
ConfigService configService=NacosFactory.createConfigService(properties);
String content=configService.getConfig(dataId,groupId,3000);
System.out.println(content);
configService.addListener(dataId, groupId, new Listener() {
@Override
public Executor getExecutor() {
return null;
}
@Override
public void receiveConfigInfo(String configInfo) {
System.out.println("configInfo:"+configInfo);
}
});
} catch (NacosException e) {
e.printStackTrace();
}
}
}