VIP23/novel-cloud-demo/novel-book/src/main/java/com/sf/NovelBookApplication.java

package com.sf;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.context.ConfigurableApplicationContext;

@EnableDiscoveryClient
@SpringBootApplication
public class NovelBookApplication {

    public static void main(String[] args) {
//        SpringApplication.run(NovelBookApplication.class, args);
        // 应用程序的启动容器
        ConfigurableApplicationContext applicationContext =
                SpringApplication.run(NovelBookApplication.class, args);
        String userName = applicationContext.getEnvironment().getProperty("user.name");
        System.err.println("user name :"+userName);
    }
}