擅长:python、mysql、java
<ol>
<li>总是用<a href="http://docs.python.org/2/reference/compound_stmts.html#the-with-statement" rel="nofollow">with</a>语句读取文件。因此,如果在读取过程中出现问题,或者代码块中出现异常,文件将自动关闭。在</li>
<li><p>然后使用for循环逐行读取,如下所示</p>
<pre><code>with open("numberlist.txt","r") as textfile:
for line in textfile:
print line
</code></pre></li>
</ol>