package com.util;

import java.io.IOException;

import java.io.InputStream;

import java.util.Properties;

public class PropertiesTest {

    public String getValue(String key)

    {

        Properties p =null;

        try

        {

            if(p == null)

            {

                InputStream is = getClass().getResourceAsStream("/SystemGlobals.properties");

                 p = new Properties();

                p.load(is);

            }

            return p.getProperty(key);

        }

        catch (IOException e)

        {

            System.out.println("加载dbLink配置文件失败！ ");

        }

        return null;

    }

    public static void main(String[] args) {

        PropertiesTest p = new PropertiesTest();
　　　　 //取出配置文件的值：p.getValue("montnets.emp.databaseIp")

　　　　 System.out.println(p.getValue("montnets.emp.databaseIp")); } }