<p>以下代码可能是解决问题的方法之一:</p>
<pre><code>import Tkinter
import threading
import time
class simpleapp_tk(Tkinter.Tk):
global sempahore
def __init__(self,parent):
Tkinter.Tk.__init__(self,parent)
self.parent = parent
self.initialize()
self.kick=True
def initialize(self):
self.grid()
self.entryVariable = Tkinter.StringVar()
self.entry = Tkinter.Entry(self,textvariable=self.entryVariable)
self.entry.grid(column=0,row=0,sticky='EW')
self.entry.bind("<Return>", self.OnPressEnter)
self.entryVariable.set(u"Enter text here.")
button1 = Tkinter.Button(self,text=u"Exp1 ",
command=self.OnButtonClick1)
button1.grid(column=1,row=0)
button2 = Tkinter.Button(self,text=u"Exp2 ",
command=self.OnButtonClick2)
button2.grid(column=1,row=1)
self.grid_columnconfigure(0,weight=1)
self.resizable(True,False)
self.update()
self.geometry(self.geometry())
self.entry.focus_set()
self.entry.selection_range(0, Tkinter.END)
def OnButtonClick1(self):
if (self.kick == True):
print 'before assignment self.kick = %s' %(self.kick,)
self.kick=False
print 'after assignment self.kick = %s' %(self.kick,)
thr = threading.Thread(target=self.print_deep1)
thr.start()
def print_deep1(self):
print 'on entering function self.kick = %s' %(self.kick,)
print (time.strftime("%H:%M:%S"))
time.sleep(10)
print (time.strftime("%H:%M:%S"))
print 'deep'
self.kick= True
print 'at end of function self.kick = %s' %(self.kick,)
def OnButtonClick2(self):
if (self.kick !=False):
thr = threading.Thread(target=self.print_deep2)
thr.start()
def print_deep2(self):
print self.kick
print (time.strftime("%H:%M:%S"))
time.sleep(5)
print (time.strftime("%H:%M:%S"))
print 'deep1'
self.kick= True
def OnPressEnter(self,event):
self.labelVariable.set( self.entryVariable.get()+" (You pressed ENTER)" )
self.entry.focus_set()
self.entry.selection_range(0, Tkinter.END)
if __name__ == "__main__":
app = simpleapp_tk(None)
app.title('my application')
app.mainloop()
</code></pre>