Field[] fields = bean.getClass().getDeclaredFields();
		
for(Field f : fields){
	f.setAccessible(true);
	if(f.getType() == java.util.List.class){
		// 如果是List型別，得到其Generic的型別  
		Type genericType = f.getGenericType(); 
		if(genericType == null) continue;  
		// 如果是泛型引數的型別   
		if(genericType instanceof ParameterizedType){   
			ParameterizedType pt = (ParameterizedType) genericType;
			//得到泛型裡的class型別物件  
			Class<?> genericClazz = (Class<?>)pt.getActualTypeArguments()[0]; 
		}   
	}
 

}