Spring Boot Environment

如何在springboot里面直接读取配置文件里面的内容呢？

我们可以使用Environment.

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.core.env.Environment;

@SpringBootApplication
public class Application implements CommandLineRunner {

    @Autowired
    private Environment env;    
    
    @Override
    public void run(String... args) throws Exception {

        System.out.println(env.getProperty("JAVA_HOME"));
        System.out.println(env.getProperty("app.name"));
    }
    
    public static void main(String[] args) {
        SpringApplication.run(Application.class, args);
    }    
}