擅长:python、mysql、java
<pre><code>import time
words = sentence.split()
for word in words:
#place something to undo changes in blank screen, you can use try except
text_1.setText(word)
time.sleep(.3)
text_1.setText("")
#make changes during blank screen, put images or something
time.sleep(.3)
</code></pre>
<p>如果我能正确理解你的问题,我想这应该是你想要的。代替<code>text_1.setText("")</code>,当你想显示空白屏幕时,放上你想做的任何事。在</p>