擅长:python、mysql、java
<p>您需要在行之间写入行分隔符:</p>
<pre><code>g.write(sn + "," + sna + "," + sg1 + "," + sg2 + "," + sg3 + "," + sg4 + '\n')
</code></pre>
<p>不过,你似乎在重新发明CSV轮子。将分隔符(行或列)保留为<a href="https://docs.python.org/2/library/csv.html" rel="nofollow">^{<cd1>} library</a>:</p>
^{pr2}$