python开发的简单窗口界面的倒计时界面,python倒计时,下面的代码通过Tkint
python开发的简单窗口界面的倒计时界面,python倒计时,下面的代码通过Tkint
下面的代码通过Tkinter制作windows窗口界面,然后时间了一个简单的倒计时功能,代码可以直接运行
# Countdown using Tkinterfrom Tkinter import *import timeimport tkMessageBoxclass App: def __init__(self,master): frame = Frame(master) frame.pack() self.entryWidget = Entry(frame) self.entryWidget["width"] = 15 self.entryWidget.pack(side=LEFT) self.hi_there = Button(frame, text="Start", command=self.start) self.hi_there.pack(side=LEFT) self.button = Button(frame, text="QUIT", fg="red", command=frame.quit) self.button.pack(side=LEFT) def start(self): text = self.entryWidget.get().strip() if text != "": num = int(text) self.countDown(num) def countDown(self,seconds): lbl1.config(bg='yellow') lbl1.config(height=3, font=('times', 20, 'bold')) for k in range(seconds, 0, -1): lbl1["text"] = k root.update() time.sleep(1) lbl1.config(bg='red') lbl1.config(fg='white') lbl1["text"] = "Time up!" tkMessageBox.showinfo("Time up!","Time up!") def GetSource(): get_window = Tkinter.Toplevel(root) get_window.title('Source File?') Tkinter.Entry(get_window, width=30, textvariable=source).pack() Tkinter.Button(get_window, text="Change", command=lambda: update_specs()).pack()root = Tk()root.title("Countdown")lbl1 = Label()lbl1.pack(fill=BOTH, expand=1)app = App(root)root.mainloop()
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