August 2011
Intermediate to advanced
444 pages
8h 55m
Chinese
Content preview from 深入淺出程式設計
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目前位置 4 287
圖型化操作介面與資料
首先，你必須建立名為
read_depots()
的函式，它會讀取文字檔中的每一列，並且將它們以串列的形式傳
回你的程式碼。
提示：當你從檔案中讀取資料列時，列尾可能會有一個換行字元。
rstrip()
字串方法會替你移除它。
def read_depots(file):
接著，你必須使用「透過
read_depots()
函式讀取資料而產生選項選單」的程式碼來取代這段程式碼。它應
該使用名為
depots.txt
的檔案。在此寫下必要的程式碼：
函式會被插入這裡。
1
2
ch08.indd 287 2011/8/6 上午 02:44:19
288 第八章
資料輸入小組件
這是使用選鈕的版本。
你即將更新這支程式，好讓它使用選項選單，但選項必須從文字檔中被讀取。
from tkinter import *
def save_data():
fileD = open("deliveries.txt", "a")
fileD.write("Depot:\n")
fileD.write("%s\n" % depot.get())
fileD.write("Description:\n")
fileD.write("%s\n" % description.get()) ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.