java获取properties配置文件例子

import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.util.Properties;public class Test {public static void main(String[] arg){    Properties pro=getProperties();String yourParameter = pro.getProperty("yourParameter");System.out.println(yourParameter);}//获取属性文件private static Properties getProperties(){String tomcatPath = Test.class.getClassLoader().getResource("").toString();System.out.println(tomcatPath);if(tomcatPath!=null&&tomcatPath.length()>0){int s = tomcatPath.lastIndexOf("classes");tomcatPath = tomcatPath.substring(0,s );int pos=tomcatPath.indexOf("file:");        if(pos>-1) tomcatPath=tomcatPath.substring(pos+5);    }String sourceFileName=tomcatPath+"config/systemConfig.properties";//获取配置文件的地址try{    sourceFileName=java.net.URLDecoder.decode(sourceFileName,"utf-8");        }catch(Exception e){throw new RuntimeException(e);} FileInputStream in;Properties prop = new Properties();try {in = new FileInputStream(sourceFileName);prop.load(in);} catch (FileNotFoundException e) {e.printStackTrace();}catch (IOException e) {e.printStackTrace();}return prop;}}