我會通過以下網站上的解釋和例子:Python的屬性不會像預期的那樣
http://www.programiz.com/python-programming/property
它似乎如預期,當我嘗試它的代碼並不表現。所以我嘗試做的是執行以下操作:
class Celsius:
def __init__(self, temperature = 0):
self.temperature = temperature
def to_fahrenheit(self):
return (self.temperature * 1.8) + 32
def get_temperature(self):
print("Getting value")
return self._temperature
def set_temperature(self, value):
if value < -273:
raise ValueError("Temperature below -273 is not possible")
print("Setting value")
self._temperature = value
temperature = property(get_temperature,set_temperature)
c = Celsius()
而且我會想到要爲上述網站上描述的輸出:
Setting value #That means that "set_temperature" was called by the constructor when the object is being created
但是我得到任何輸出。程序運行時沒有錯誤,但屏幕仍然是空的。 有什麼我做錯了嗎?
感謝您的回答和您的意見。 – 2014-09-01 07:00:01