/**
	 * 装载Log4j 配置文件
	 *
	 */
	public static final void loadLog4jConfig(){
		Properties prop = new Properties();
		try {
			FileInputStream stream=new FileInputStream("/var/conf/bin/log4j.properties");
			prop.load(stream);
			stream.close();//这样log4j对配置文件可以放置在任何位置
			PropertyConfigurator.configure(prop);//装入log4j配置信息
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}