Python Tkinter标签文本不';不要每次都变
Python 3.6。 这是我为tkinter制作的一个类,Python Tkinter标签文本不';不要每次都变,python,python-3.x,tkinter,Python,Python 3.x,Tkinter,Python 3.6。 这是我为tkinter制作的一个类,self.compteur的文本在我按start时每秒都会更改: motsCount = 0 temps_total = 3600 class ChronoAspi: def __init__(self, master): self.master = master self.mainframe = tkinter.Frame(self.master, background ='#28aae1')
self.compteur
的文本在我按start时每秒都会更改:
motsCount = 0
temps_total = 3600
class ChronoAspi:
def __init__(self, master):
self.master = master
self.mainframe = tkinter.Frame(self.master, background ='#28aae1')
self.mainframe.pack(fill = tkinter.BOTH, expand= True)
self.timer_text = tkinter.StringVar()
self.timer_text.trace('w', self.build_timer)
self.time_left = tkinter.IntVar()
self.time_left.set(temps_total)
self.running = True
self.buildGrid()
self.build_buttons()
self.build_timer()
self.build_compteur()
self.update()
def buildGrid(self):
self.mainframe.columnconfigure(0, weight=1)
self.mainframe.rowconfigure(0, weight=1)
self.mainframe.rowconfigure(1, weight=1)
self.mainframe.rowconfigure(2, weight=0)
def build_buttons(self):
buttons_frame = tkinter.Frame(self.mainframe)
buttons_frame.grid(row=2, column=0, sticky='nsew', padx=10, pady=10)
buttons_frame.columnconfigure(0, weight=1)
buttons_frame.columnconfigure(1, weight=1)
self.start_button = tkinter.Button(buttons_frame, text='Start', command=self.start_timer )
self.stop_button = tkinter.Button(buttons_frame, text='Stop', command=self.stop_timer)
self.start_button.grid(row=0, column=0, sticky = 'ew')
self.stop_button.grid(row=0, column=1, sticky = 'ew')
self.stop_button.config(state=tkinter.DISABLED)
def build_timer(self, *args):
timer = tkinter.Label(self.mainframe, text=self.timer_text.get(), background = '#28aae1', fg='white', font=("Helvetica", 30))
timer.grid(row=1, column=0)
def build_compteur(self, *args):
self.compteur = tkinter.Label(self.mainframe, text='Aucun mot compté.', background = '#28aae1', fg='white', font=("Helvetica", 20))
self.compteur.grid(row=0, column=0)
def start_timer(self):
self.time_left.set(temps_total)
self.running = True
self.stop_button.config(state=tkinter.NORMAL)
self.start_button.config(state=tkinter.DISABLED)
def stop_timer(self):
self.running = False
self.stop_button.config(state=tkinter.DISABLED)
self.start_button.config(state=tkinter.NORMAL)
def heures_minutes_secondes(self, seconds):
return int(seconds/3600), int(seconds%3600/60), int(seconds%60)
def update(self):
global motsCount
time_left = self.time_left.get()
if self.running and time_left:
heure, minutes, seconds = self.heures_minutes_secondes(time_left)
self.timer_text.set('{:0>2}:{:0>2}:{:0>2}'.format(heure ,minutes, seconds) )
self.time_left.set(time_left-1)
motsCount += 1
else:
heure, minutes, seconds = self.heures_minutes_secondes(time_left)
self.timer_text.set( '{:0>2}:{:0>2}:{:0>2}'.format(heure ,minutes, seconds))
self.compteur['text'] = 'Compteur stoppé.'
self.stop_timer()
if motsCount > 0:
self.compteur['text'] = str(motsCount) + ' mots comptés.'
self.master.after(1000, self.update)
if __name__ == '__main__':
root = tkinter.Tk()
ChronoAspi(root)
root.mainloop()
只要计时器在运行,
self.computer
的文本每秒都在变化。但是当我点击self.stop_按钮时,self.running
变为False
,并且执行update()
函数中的else
部分。所以,计时器停止了,但是self.computer
文本没有改变,我不知道为什么 抱歉,我无法发表评论,但我认为您的if语句将在self.stopTimer返回并将文本更改回后运行我尝试运行您的代码,但在self.master.after
行上出现了IndentationError
。我尝试缩进那一行,在motscont+=1
行上得到了UnboundLocalError
。请发布实际演示您的问题的代码。@Kevin很抱歉,我更改了它,这篇文章的复制粘贴错误。顺便说一句,问题解决了,谢谢!