properties配置文件中文乱码解决方法

ROOT=http://localhost:8080/BNCAR2/
ROOTPATH=E:/ws2/BNCAR2/rel/
 
MALL_PARTS_PATH=mall.jsp?rowid=0&typeFlag=0&pid=32
MALL_AFFIX_PATH=mall.jsp?rowid=0&typeFlag=1&pid=74

MALL_TYPE_TAG1=保养套装
MALL_TYPE_TAG2=系统养护
MALL_TYPE_TAG3=轮胎轮毂

NETWORK_TAG1=上海
NETWORK_TAG2=江苏

static Properties config = null;
    static String filename = PropUtil.class.getClassLoader().getResource("bn-context.properties").getFile();
    static Logger log = Logger.getLogger(PropUtil.class);
    
    public PropUtil() {
        super();
        config = getPropUtil();
    }

    public static Properties getPropUtil() {
        config = new Properties();
        InputStream is = null;
        try {
             //ln("初始化config对象!");
            is = PropUtil.class.getClassLoader().getResourceAsStream(
                    "bn-context-test.properties");
            config.load(is);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {// 关闭资源
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                }
            }
        }
        return config;
    }

    public static String getParameter(String key) {
        if(config == null){
            config = getPropUtil();
        }
        String value = config.getProperty(key);
        // 编码转换，从ISO8859-1转向指定编码

        try {
            if(value != null){
                value = new String(value.getBytes("ISO8859-1"), "UTF-8");
            }
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
        return value;
    }
    
    public static void setParameter(String key,String value) {
        if(config == null){
            config = getPropUtil();
        }
        config.setProperty(key, value);
    }

ROOT=http://localhost:8080/BNCAR2/
ROOTPATH=E:/ws2/BNCAR2/rel/
 
MALL_PARTS_PATH=mall.jsp?rowid=0&typeFlag=0&pid=32
MALL_AFFIX_PATH=mall.jsp?rowid=0&typeFlag=1&pid=74

MALL_TYPE_TAG1=\u4FDD\u517B\u5957\u88C5
MALL_TYPE_TAG2=\u7CFB\u7EDF\u517B\u62A4
MALL_TYPE_TAG3=\u8F6E\u80CE\u8F6E\u6BC2

NETWORK_TAG1=\u4E0A\u6D77
NETWORK_TAG2=\u6C5F\u82CF

        // 编码转换，从ISO8859-1转向指定编码

//        try {
//            if(value != null){
//                value = new String(value.getBytes("ISO8859-1"), "UTF-8");
//            }
//        } catch (UnsupportedEncodingException e) {
//            // TODO Auto-generated catch block
//            e.printStackTrace();
//        }