擅长:python、mysql、java
<p>根据<a href="http://docs.python.org/2/library/stdtypes#file.tell" rel="nofollow">^{<cd1>} documentation</a>:</p>
<blockquote>
<p><strong>Note</strong> On Windows, <code>tell()</code> can return illegal values (after an <code>fgets()</code>) when reading files with Unix-style line-endings. Use binary
mode (<code>'rb'</code>) to circumvent this problem.</p>
</blockquote>
<p>将模式<code>'r'</code>替换为<code>'rb'</code>。在</p>