package com.bshinfo.el.userInfo.util;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.util.Enumeration;import java.util.HashMap;import java.util.Map;import java.util.Properties;public class SystemConfigUtil {	private static SystemConfigUtil systemConfigUtil = null;	private static Map
     
       proMap = new HashMap
      
       ();	private SystemConfigUtil() {		Properties pro = new Properties();		try {			pro.load(new InputStreamReader(SystemConfigUtil.class.getClassLoader().getResourceAsStream("printgz.properties"), "UTF-8"));//默认根目录下			Enumeration e = pro.propertyNames();			while (e.hasMoreElements()) {				String key = (String) e.nextElement();				String value = (String) pro.get(key);				proMap.put(key, value);			}		} catch (IOException e) {			e.printStackTrace();		} 	}	public static SystemConfigUtil getInstance() {		if (systemConfigUtil == null) {			systemConfigUtil = new SystemConfigUtil();		}		return null;	}	public static Map
       
         getProMap() {		return proMap;	}	public static void main(String[] args) {		// 写一个main方法，来验证一下		SystemConfigUtil systemConfigUtil = SystemConfigUtil.getInstance();		SystemConfigUtil systemConfigUtil2 = SystemConfigUtil.getInstance();		System.out.println(systemConfigUtil == systemConfigUtil2);		Map m1 = systemConfigUtil.getProMap();		Map m2 = systemConfigUtil2.getProMap();		System.out.println(m1 == m2);		System.out.println(m1.get("test"));		System.out.println(m1.get("燃油值班员"));			}}