import java.io.InputStream;

import java.net.URL;

import org.springframework.boot.CommandLineRunner;

import org.springframework.stereotype.Component;

@Component

public class Test implements CommandLineRunner {

    public void run(String... args) throws Exception {

        //当前项目根目录

        System.out.println(System.getProperty("user.dir"));

        //classpath目录， 一般是根目录下/target/classes目录

        URL url = getClass().getClassLoader().getResource("");

        System.out.println(url.getPath());

        //读取根目录下/target/classes/test/settings.properties文件,即读取src/main/resources/test/settings.properties文件

        InputStream inputStream = getClass().getClassLoader().getResourceAsStream("test/settings.properties");

        System.out.println(inputStream);

    }

}