>>> import datetime >>> class c(): @property def noww(self): return datetime.datetime.now() >>> c.noww <property object at 0x00000000031DE908> >>> x=c() >>> x.noww datetime.datetime(2014, 1, 27, 13, 17, 14, 725610) >>> x.noww datetime.datetime(2014, 1, 27, 13, 17, 27, 8740) >>> x.noww() Traceback (most recent call last): File "<pyshell#50>", line 1, in <module> x.noww() TypeError: 'datetime.datetime' object is not callable
看来应该是免得每次都要敲对括号