擅长:python、mysql、java
<p>最简单的方法是重写到输出文件</p>
<pre><code>import csv
reader = csv.reader(open('filename.csv', 'rb'))
writer = csv.writer(open('output.csv', 'w'))
headers = reader.next()
headers.append("Brand New Awesome Header")
writer.write(headers)
for row in reader:
row.append(new data for my new header)
writer.writerow(row)
</code></pre>