擅长:python、mysql、java
<p>如<a href="https://stackoverflow.com/questions/55578525/exit-loop-in-python-if-sql-query-doesnt-bring-any-data/55634759#comment97855748_55578525">Chris</a>所述</p>
<blockquote>
<p>A while loop is supposed to be infinite, until a condition is met. Perhaps create a for loop instead, which makes a few attempts then passes.</p>
</blockquote>
<p>我把时间改成了IF,效果很好。你知道吗</p>