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Python: pythonµÄ¼òµ¥±í´ïʽ¼ÆËãÆ÷

ÕâÊÇÒ»¸ö¼òµ¥µÄ±í´ïʽ¼ÆËãÆ÷, ²»Ì«¶®ÓÃTkinterдGUI, ²Î¿¼Á˱ðÈ˵ĴúÂë
from __future__ import division
from Tkinter import Tk, Entry, Button, Label, mainloop
from tkFont import Font
def get_value ():
v = ''
try:
v = eval(text.get()) #use eval to calculate the vlaue of the text
except:
pass
if isinstance(v, (int, float, long)):
pass
else:
v = 'Error...'
label.config(text = v) #use config to change the text


top = Tk()
top.title("calculator")
ft = Font(family = 'Courier New', size = 12)
text = Entry(top, font = ft)
button = Button(top, text = 'Ok', command = get_value)
label = Label(text = '(+ - * / % **)', font = ft)
Enter = lambda x: x.keycode == 13 and get_value()
Key = lambda x: label.config(text = '(+ - * / % **)')
text.bind('<Key>', Enter) #when the key is enter, execute the function Enter
text.focus()
text.bind('<Button-1>', Key) #when click the left-key, execute the function Key
text.pack()
button.pack()
label.pack()
mainloop()


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ʹÓà Notepad++ ±à¼­ÔËÐÐ Python ³ÌÐò


Posted on 18:40:00 by ÏþÔÂ and filed under Notepad++, Python
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Python 3 µÄÐÂÌØÐÔ

Python 3 ÊÇ Guido van Rossum ¹¦ÄÜÇ¿´óµÄͨÓñà³ÌÓïÑÔµÄ×îа汾¡£ËüËäÈ»´òÆÆÁËÓë 2.x °æ±¾µÄÏòºó¼æÈÝÐÔ£¬µ«È´ÇåÀíÁËijЩÓï·¨·½ÃæµÄÎÊÌâ¡£±¾ÎÄÊÇϵÁÐÎÄÕÂÖеĵÚһƪ£¬½éÉÜÁËÓ°Ïì¸ÃÓïÑÔ¼°Ïòºó¼æÈÝÐԵĸ÷Öֱ仯£¬²¢ÇÒ»¹ÌṩÁËÐÂÌØÐԵöÀý×Ó¡£
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[Python module] select

16.1. select — Waiting for I/O completion¶
This module provides access to the select and poll functions available in most operating systems, epoll available on Linux 2.5+ and kqueue available on most BSD. Note that on Windows, it only works for sockets; on other operating systems, it al ......

[Python module] threading

threading — Higher-level threading interface
This module constructs higher-level threading interfaces on top of the lower level _thread module. See also the queue module.
The dummy_threading module is provided for situations where threading cannot be used because _thread is missing.
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