擅长:python、mysql、java
<p>你可以使用.strip()。</p>
<p>如果结果字符串仅为空白,则该字符串将为空。</p>
<pre><code>if teststring.strip():
# has something other than whitespace.
else:
# only whitespace
</code></pre>
<p>或者更明确地说,正如JBernardo所指出的:</p>
<pre><code>if not teststring.isspace():
# has something other than whitespace
else:
# only whitespace.
</code></pre>