31 lines
641 B
Python
31 lines
641 B
Python
|
#!/usr/bin/env python
|
||
|
|
# -*- encoding: utf-8 -*-
|
||
|
|
"""
|
||
|
|
Topic: 对象自定义格式化
|
||
|
|
Desc :
|
||
|
|
"""
|
||
|
|
_formats = {
|
||
|
|
'ymd': '{d.year}-{d.month}-{d.day}',
|
||
|
|
'mdy': '{d.month}/{d.day}/{d.year}',
|
||
|
|
'dmy': '{d.day}/{d.month}/{d.year}'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
class Date:
|
||
|
|
def __init__(self, year, month, day):
|
||
|
|
self.year = year
|
||
|
|
self.month = month
|
||
|
|
self.day = day
|
||
|
|
|
||
|
|
def __format__(self, code):
|
||
|
|
if code == '':
|
||
|
|
code = 'ymd'
|
||
|
|
fmt = _formats[code]
|
||
|
|
return fmt.format(d=self)
|
||
|
|
|
||
|
|
|
||
|
|
d = Date(2012, 12, 21)
|
||
|
|
print(d)
|
||
|
|
print(format(d, 'mdy'))
|
||
|
|
print('The date is {:ymd}'.format(d))
|
||
|
|
print('The date is {:mdy}'.format(d))
|