#劉任昌python註解comment使用#
'''前後用三個引號可以單引,也可以雙引'''
from tkinter import * #從函式庫 tkinter 輸入所有 * 方法
banks=['摩根大通']
def ABC(): #畫圖 define自訂函數
global b1 #宣告b1是廣域GLOBAL變數,其他函數也可使用
txt = ''
for i in range(len(banks)):
txt += banks[i] + ' '
b1=Label(canvas,text=txt,font='Arial 20 bold')
b1.pack(side=TOP)
def XYZ(): #清除視窗的all所有canvas圖
banks.append(bank.get())
ABC()#結束XYZ之前給它顯示
def kill():
banks.pop()#移除串列banks元素
ABC()#執行自訂函數(寫在前面)
tk = Tk()#建構Tk命令視窗名為tk
global bank#宣告網域變數bank variable
bank = StringVar(tk)#命令bank視窗tk的變數
tk.title("老猴仔python建立tkinter視窗使用者介面") #也可以定義視窗名為 window, root課本都如此習慣
canvas = Canvas(tk, width=400, height=400)
canvas.pack()
enter=Entry(tk,textvariable=bank).pack(side=LEFT)#變數enter視窗tk的輸入工具
btn1 = Button(tk, text="銀行", command = ABC, bg='black',fg='white').pack(side=LEFT)
btn2 = Button(tk, text="增加", command = XYZ, bg='blue',fg='white').pack(side=LEFT)
btn3 = Button(tk, text="刪除", command = kill).pack(side=LEFT)
tk.mainloop()
SPYDER整合開發環境IDE
學習心得也是期中考內容
- from tkinter import *#從函式庫 tkinter 輸入所有所有方法
- tkinter視窗的子工具widget有標籤Label輸入Entry按鈕Button
動詞enter進入,名詞entry入口
- btn1 = Button(tk, text="列出銀行", command = ABC, bg='black',fg='white').pack(side=LEFT)
- btn1自己訂的按鈕名稱,建構按鈕Button(建構在名為tk的視窗, text="列出銀行"按鈕的標示, command = ABC按下按鈕執行ABC函數, bg='black'背景background,fg='white'foreground前景).pack(side=LEFT)包裝pack, package包裹
- "統合開発環境"="整合開發環境"=IDE=Integrated Development Environment
- 推崇孔子:朝聞道,夕死可矣
- 這個網頁使用的CSS命令,可以在HTML模式貼在最前面:
https://jiang-jia-ehen.blogspot.com/2025/04/from-tkinter-import-tkinter-banks-def.html
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