先这样,在这样,然后在那样,就好了~
直接上代码(pom引入)
<!-- https://mvnrepository.com/artifact/com.purgeteam/dynamic-config-spring-boot-starter -->
<dependency>
<groupId>com.purgeteam</groupId>
<artifactId>dynamic-config-spring-boot-starter</artifactId>
<version>0.1.1.RELEASE</version>
</dependency>
启动类添加注解
@EnableDynamicConfigEvent
监听类
import com.purgeteam.dynamic.config.starter.event.ActionConfigEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
import java.util.HashMap;
import java.util.Map;
@Component
public class NacosListener implements ApplicationListener<ActionConfigEvent> {
/** 日志 */
private static final Logger log = LogManager.getLogger(Nacoslistener.class);
@Override
public void onApplicationEvent(ActionConfigEvent environment) {
Map<String, HashMap> map = environment.getPropertyMap();
for (Map.Entry<String, HashMap> entry : map.entrySet()) {
String key = entry.getKey();
Map changeMap = entry.getValue();
String before = String.valueOf(changeMap.get("before"));
String after = String.valueOf(changeMap.get("after"));
if(log.isInfoEnabled()){
log.info("配置[key:{}]被改变,改变前before:{},改变后after:{}",key,before,after);
}
}
}
}
然后启动项目,去修改nacos配置信息就OK了!!!