Python 入門指南 5.0
exercise3303.py
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90 | # 從標準程式庫引入 Tk
from tkinter import *
# 從 tkinter 引入 ttk
from tkinter import ttk
# 練習用的視窗類別
class Application(ttk.Frame):
def __init__(self, master):
ttk.Frame.__init__(self, master)
self.winfo_toplevel().title("練習的視窗")
self.grid()
self.createWidgets()
self.style = ttk.Style()
self.style.theme_use("alt")
for child in self.winfo_children():
child.grid_configure(padx=5, pady=3)
def createWidgets(self):
self.value1 = StringVar()
self.value2 = StringVar()
self.value3 = StringVar()
self.value4 = StringVar()
self.value1.set("")
self.value2.set("")
self.value3.set("")
self.value4.set("")
self.checkbutton1 = Checkbutton(self)
self.checkbutton1["text"] = "選我1"
self.checkbutton1["width"] = 20
self.checkbutton1["variable"] = self.value1
self.checkbutton1["offvalue"] = ""
self.checkbutton1["command"] = self.do_something
self.checkbutton1.grid(row=0, column=0, sticky=N)
self.checkbutton2 = Checkbutton(self)
self.checkbutton2["text"] = "選我2"
self.checkbutton2["width"] = 20
self.checkbutton2["variable"] = self.value2
self.checkbutton2["offvalue"] = ""
self.checkbutton2["command"] = self.do_something
self.checkbutton2.grid(row=1, column=0, sticky=N)
self.checkbutton3 = Checkbutton(self)
self.checkbutton3["text"] = "選我3"
self.checkbutton3["width"] = 20
self.checkbutton3["variable"] = self.value3
self.checkbutton3["offvalue"] = ""
self.checkbutton3["command"] = self.do_something
self.checkbutton3.grid(row=2, column=0, sticky=N)
self.checkbutton4 = Checkbutton(self)
self.checkbutton4["text"] = "選我4"
self.checkbutton4["width"] = 20
self.checkbutton4["variable"] = self.value4
self.checkbutton4["offvalue"] = ""
self.checkbutton4["command"] = self.do_something
self.checkbutton4.grid(row=3, column=0, sticky=N)
self.label = Label(self)
self.label["text"] = ""
self.label["width"] = 20
self.label.grid(row=4, column=0, sticky=N)
def do_something(self):
result = ""
if self.value1.get():
result += "選我1 "
if self.value2.get():
result += "選我2 "
if self.value3.get():
result += "選我3 "
if self.value4.get():
result += "選我4 "
self.label["text"] = result
# 執行部分
if __name__ == '__main__':
# 建立 Tk 應用物件
root = Tk()
# 建立視窗物件
app = Application(master=root)
# 呼叫維持視窗運作的 mainloop()
root.mainloop()
# 檔名: exercise3303.py
# 說明:《Python入門指南》的練習
# 網站: http://kaiching.org
# 作者: 張凱慶
# 時間: 2023 年 11 月
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