GUI用的是Tkinter，在主线程执行，子线程是工作线程
"""
ttk.Progressbar demo, with multi-threading
author: nn0p
data: 2013.04.24
"""
from Tkinter import *
import ttk
import threading
import random
import time
class UIThread:
def __init__(self, root, count=10):
self.count = count
self.value = 0
self.b_exit = False
self.root = root
self.event = threading.Event()
self.pbar = ttk.Progressbar(root, length=200, maximum=count)
self.pbar.pack()
root.after(0, self.update)
def set_max(self, max):
self.pbar.config(maximum=max)
def set_val(self, val):
self.value = val
def start(self):
self.event.set()
def stop(self):
self.b_exit = True
def update(self):
print 'waiting...'
self.event.wait()
print 'start progress...'
while 1:
self.pbar.config(value=self.value)
self.pbar.update()
if self.b_exit:
break
self.root.quit()
print 'root quit()'
def increase(slef):
self.value += 1
def work_func(count, ui):
ui.set_max(count)
ui.start()
print '->working<-'
for i in range(1, count+1):
rnd_t = random.uniform(.2, .5)
print i, threading.currentThread().getName(), ':', time.ctime()
ui.set_val(i)
time.sleep(rnd_t)
ui.stop()
if __name__ =='__main__':
root = Tk()
ui = UIThread(root)
work_thread = threading.Thread(target=work_func, args=(5, ui))
work_thread.start()
root.mainloop()
work_thread.join()
raw_input('Press return...')