Question

我有这个简单的代码，它运行一个进度条15秒。我想要的是当进度条达到15秒来调用一个函数或打印一些东西并且该栏保持填充在屏幕上，而不是重置并再次进入循环

感谢adavnce

import Tkinter
import ttk


def main():

  root = Tkinter.Tk()

  ft = ttk.Frame()

  ft.pack(expand=True, fill=Tkinter.BOTH, side=Tkinter.TOP)

  pb_hd = ttk.Progressbar(ft, orient='horizontal', mode='determinate')

  pb_hd.pack(expand=True, fill=Tkinter.BOTH, side=Tkinter.TOP)

  pb_hd.start(150)

  root.mainloop()
if __name__ == '__main__':
  main()

Answer 1

让我说，这个目的对我来说有点模糊......无论如何，有很多方法可以做你所问的。一个可能是以下内容：

from threading import Thread
from time import sleep
import Tkinter
import ttk

def on_loading(widget, value, loading_end):
    print 'loading...'
    widget.start(150)
    sleep(15)
    widget.stop()
    value(100)
    on_ready()

def on_ready():
    print "now ready to work..."

def main():
    root = Tkinter.Tk()
    ft = ttk.Frame()
    ft.pack(expand=True, fill=Tkinter.BOTH, side=Tkinter.TOP)

    value = 0 #the value of the progressbar
    setvalue = lambda x,value=value: value+x #the lambda to capture value
    pb_hd = ttk.Progressbar(ft, orient='horizontal', mode='determinate', max=100.0, variable=value)
    pb_hd.pack(expand=True, fill=Tkinter.BOTH, side=Tkinter.TOP)

    #Creates a thread that call on_loading
    Thread(target=on_loading, args=(pb_hd, setvalue, on_loading_end)).start()
    root.mainloop()

if __name__ == '__main__':
    main()

Tkinter进度条在结束时停留并停留在屏幕上

1 个答案: