擅长:python、mysql、java
<p>Bryan说的是你需要启动这样一个线程:</p>
<pre><code>from tkinter import *
import threading
i = 'large/text/file/400,000+lines'
root = Tk()
txt = Text(root)
txt.grid()
def loadfile():
with open(i, 'r') as f:
txt.insert('end', f.read())
def threadstarter():
startit = threading.Thread(target=loadfile)
startit.start()
btn = Button(root, text= 'start', command=threadstarter)
btn.grid()
root.mainloop()
</code></pre>