ClassLoader.getResourceAsStream(name); ---java读取配置文件

package com.bll.mysql;

import java.io.InputStream;
import java.util.Properties;

/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        try {
            InputStream  res=  App.class.getClassLoader().getResourceAsStream("1.txt");
            Properties prop = new Properties();
            prop.load(res);
            String string =  prop.getProperty("className");
            System.out.println(string);
            
            
        } catch (Exception e) {
            // TODO: handle exception
        }
        System.out.println( "Hello World!" );
    }
}

1.txt内容

className = com.mysql.jdbc.Driver

url=jdbc:mysql