将JavaBean对象的所有属性（包括父类属性）存放于map中的方法

/**
	 * JavaBean对象转换为Map
	 * @param obj
	 * @return
	 */
	public static Map<String, Object> convertObjToMap(Object obj){
		Map<String,Object> reMap = new HashMap<String,Object>();
		if (obj == null) 
			return null;
		try {
			Class<?> objClass = obj.getClass();
			while(objClass != null){
				Field[] fields = objClass.getDeclaredFields();
				for(int i=0;i<fields.length;i++){
					try {
						Field f = objClass.getDeclaredField(fields[i].getName());
						f.setAccessible(true);
						Object o = f.get(obj);
						reMap.put(fields[i].getName(), o);
					} catch (NoSuchFieldException e) {
						e.printStackTrace();
					} catch (IllegalArgumentException e) {
						e.printStackTrace();
					} catch (IllegalAccessException e) {
						e.printStackTrace();
					}
				}
				objClass = objClass.getSuperclass();
			}
		} catch (SecurityException e) {
			e.printStackTrace();
		} 
		return reMap;
	}