package com.oolong.common.util;import org.springframework.core.io.support.PathMatchingResourcePatternResolver;import org.springframework.core.io.support.ResourcePatternResolver;import java.io.*;import java.util.*;public class UserVar { private static String configFile = "classpath*:param.properties"; private static org.springframework.core.io.Resource resourceWritable; private static Properties p; /**  * 注意事項:  * 1、properties放在source目錄下  * 2、param.properties至少有一對鍵值對  */ static {  p = new Properties();  org.springframework.core.io.Resource[] resources = null;  try {   ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();   resources = resolver.getResources(configFile);   if (resources != null) {    for (org.springframework.core.io.Resource r : resources) {     if (r != null) {      p.load(r.getInputStream());      resourceWritable = r;     }    }   }  } catch (IOException e1) {   e1.printStackTrace();  } } public static String get(String key) {  String v = (String) p.get(key);  if (v != null) {   try {    return new String(v.getBytes("ISO-8859-1"), "GBK");   } catch (UnsupportedEncodingException e) {    e.printStackTrace();    return null;   }  }  return null; } public static void set(String key,String value){  if (null != resourceWritable) {   try {    OutputStream fos = new FileOutputStream(resourceWritable.getFile());    Properties p = new Properties();    p.load(resourceWritable.getInputStream());    value = new String(value.getBytes("GBK"),"ISO-8859-1");    p.setProperty(key, value);    p.store(fos, null);    fos.close();   } catch (IOException e) {    e.printStackTrace();   }  } }}