PropertiesTest

import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;  

public class PropertiesTest {

    public static Properties getConf(String filename){
        Properties prop = new Properties();  

        try {
            //prop.load(PropertiesTest.class.getClassLoader().getResourceAsStream("config.properties")); //放在bin/下
            prop.load(new FileInputStream(filename));   //放在项目根目录
            /*System.out.println(prop.getProperty("database"));
            System.out.println(prop.getProperty("dbuser"));
            System.out.println(prop.getProperty("dbpassword"));*/
        } catch(IOException e) {
            e.printStackTrace();
        }
        return prop;
    }

    public static void main(String[] args) {
        Properties prop = getConf("config.properties");
    }

}