Java-Tool Class-read configuration file

/** * Company * Copyright (C) 2004-2018 All rights Reserved. */package com.yubin.test;import java.io.*;import java.net.url;import java.util.properties;/** * @author Administrator * @version $Id Proutil.java, v 0.1 2018-01-25 22:11 Administrator Exp $$ */public class Proutil {private static Proper    Ties props = null;    private static File configfile = null;    private static long filelastmodified = 0L;    private static String Configfilename = "Spring/database.properties";        private static void init () {URL url = ProUtil.class.getClassLoader (). getresource (Configfilename);        ConfigFile = new File (Url.getfile ());        filelastmodified = Configfile.lastmodified ();        props = new Properties ();    Load (); } private static void Load () {try {props.load (new InputStreamReader (New FileInputStream (ConfigFile)            , "UTF-8"));        filelastmodified = Configfile.lastmodified (); } catch (IOException e) {throw new RuntimeException (e); }} public static String GetConfig (string key) {if (configfile = = null) | | (props = = null))        Init (); if (configfile.lastmodified () > Filelastmodified) load ();    Reload the config file when the file is detected as modified return Props.getproperty (key);    } public static void Main (string[] args) {System.out.println (GetConfig ("Jdbc.driver")); }}

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Java-Tool Class-read configuration file