自己解析配置中心推送来的配置信息

ipu-rest-scaffold/src/main/java/com/ai/ipu/server/config/NacosConfig.java

@@ -0,0 +1,34 @@
package com.ai.ipu.server.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import com.alibaba.nacos.api.config.annotation.NacosConfigListener;
import com.alibaba.nacos.api.config.annotation.NacosValue;
@Configuration
public class NacosConfig {
	//在Configuration中动态更新将失效，需要自己在onMessage里解析更新后的配置文件，再用解析后的值覆盖
	@NacosValue(value = "${service001Url:defaultValue}", autoRefreshed = true)
    private String service001Url;
	@NacosValue(value = "${service001Param:defaultValue}", autoRefreshed = true)
    private String service001Param;
	
	@Bean(name="getService001Url")
	public String getService001Url() {
		return service001Url;
	}
	
	@Bean(name="getService001Param")
	public String getService001Param() {
		return service001Param;
	}
	
	@NacosConfigListener(dataId = "myService")
	public void onMessage(String config) {
	    System.out.println(config);
	    //需要自己解析配置文件
	}
}

ipu-rest-scaffold/src/main/java/com/ai/ipu/server/control/NacosConsumerControl.java

@@ -2,6 +2,7 @@ package com.ai.ipu.server.control;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
@@ -10,6 +11,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RestTemplate;
import com.ai.ipu.server.config.NacosConfig;
import com.ai.ipu.server.util.SpringUtil;
import com.alibaba.nacos.api.annotation.NacosInjected;
import com.alibaba.nacos.api.config.annotation.NacosValue;
import com.alibaba.nacos.api.exception.NacosException;
@@ -70,4 +73,26 @@ public class NacosConsumerControl {
		}
        return null;
    }
	@Autowired
	NacosConfig config;
	@ResponseBody
    @GetMapping(value = "/service001test")
    public String service001test() throws NacosException {
		try {
			if (namingService != null) {
				// 选择user_service服务的一个健康的实例（可配置负载均衡策略）
				Instance instance = namingService.selectOneHealthyInstance("ipu-rest-scaffold");
				// 拼接请求接口url并请求选取的实例
				String url = "http://" + instance.getIp() + ":" + instance.getPort() + config.getService001Url() + "?message=" + appName;
				logger.debug(String.format("请求URL:%s", url));
				ResponseEntity<String> entity = restTemplate.getForEntity(url, String.class);
				logger.debug(String.format("响应结果:%s", entity.getBody()));
				return entity.getBody();
			}
		} catch (Exception e) {
			logger.error("get instance from nacos error", e);
		}
        return null;
    }
	
}