监听Nacos指定配置项动态变更方式

import com.purgeteam.dynamic.config.starter.event.ActionConfigEvent;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@Component
public class NacosListener implements ApplicationListener<ActionConfigEvent> {
    @Autowired
    private PlatformService platformService;
    @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"));
            log.info("配置[key:{}]被改变，改变前before：{}，改变后after：{}", key, before, after);
            if (Constant.COLUMN_VERSION_KEY.equals(key)) {
                // 需要监听处理的逻辑
                platformService.updateColumns();
            }
        }
    }
}