擅长:python、mysql、java
<p>每次迭代期间都会重新打开文件。在</p>
<pre><code>for line in f.readlines():
lineno +=1
if lineno == 1 :
continue
#move the following line outside of the for block
file_source = open(name, mode='w', encoding='utf-8', errors='ignore')
</code></pre>