PropertiesUtil,读取properties文件

public class PropertiesUtil {

    private static HashMap configMap;

    private static Logger logger = LoggerFactory.getLogger(PropertiesUtil.class);

    public static void init(String path) {
        // 把config.properties配置文件中的配置信息放入到Map中
        configMap = new HashMap();
        Properties p = new Properties();
        try {
            //获取要加载的文件
            p.load(new FileInputStream(new File(getClassPath()
                    + path)));
        } catch (IOException e) {
            logger.error("init properties file excetion", e);
        }
        Set