Python 入門指南 5.0
exercise3302.py
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54 | # 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.text = Text(self)
self.text["height"] = 10
self.text["width"] = 50
self.text.grid(row=0, column=0, sticky=N)
self.button = Button(self)
self.button["text"] = "按我"
self.button["width"] = 37
self.button.grid(row=1, column=0, sticky=N)
self.button["command"] = self.do_something
self.label = Label(self)
self.label["text"] = ""
self.label["width"] = 39
self.label.grid(row=2, column=0, sticky=N)
def do_something(self):
demo = self.text.get("1.0", "end-1c")
count = demo.count("\n")
count += 1
self.label["text"] = str(count)
# 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: exercise3302.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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