配置中心nacos使用体验

package com.example.person.bigdata.common.service;

import com.alibaba.nacos.api.NacosFactory;
import com.alibaba.nacos.api.PropertyKeyConst;
import com.alibaba.nacos.api.config.ConfigService;
import com.alibaba.nacos.api.exception.NacosException;
import lombok.Builder;

import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

/**
 * @Author apophis
 * @File NacosService
 * @Time 2023/10/11 11:51
 * @Description 工程描述
 */
@Builder
public class NacosService {
    private static final String SERVER_ADDR = "http://xxxxxx:8848";
    private static final String USERNAME = "xxxx";
    private static final String PASSWORD = "xxxx";
    private String dataId;
    private String group;
    private String namespace;


    public Map<String, String> getConfMap() throws NacosException, IOException {
        Properties nacosProp = new Properties();
        nacosProp.put(PropertyKeyConst.SERVER_ADDR, SERVER_ADDR);
        nacosProp.put(PropertyKeyConst.USERNAME, USERNAME);
        nacosProp.put(PropertyKeyConst.PASSWORD, PASSWORD);
        // 如果是public，则不需要namespace参数
        nacosProp.put(PropertyKeyConst.NAMESPACE, this.namespace);

        ConfigService configService = NacosFactory.createConfigService(nacosProp);
        String content = configService.getConfig(this.dataId, this.group, 5000);

        Properties properties = new Properties();
        properties.load(new StringReader(content));

        Map<String, String> map = new HashMap<>();
        for (String key : properties.stringPropertyNames()) {
            String value = properties.getProperty(key);
            map.put(key, value);
        }
        return map;
    }
}