擅长:python、mysql、java
<p>字符串必须是Unicode,否则将出现错误</p>
<pre><code>Traceback (most recent call last):
File "<pyshell#62>", line 1, in <module>
it = etree.iterparse(StringIO(xml))
TypeError: initial_value must be unicode or None, not str
</code></pre>
<p>代码:</p>
^{pr2}$
<p>输出:</p>
<pre><code>abw
</code></pre>