擅长:python、mysql、java
<p>我建议对此任务使用<a href="http://pandas.pydata.org/" rel="nofollow noreferrer">pandas</a>库</p>
<pre><code>import pandas as pd
xls = pd.ExcelFile('file.xlsx')
df = xls.parse(sheetname="Sheet1", index_col=None, na_values=['NA'])
df.to_csv('file.csv')
</code></pre>