擅长:python、mysql、java
<p>你应该以文本模式而不是二进制模式打开文件。在</p>
<pre><code>reader = csv.DictReader(open("Test.csv", "r"))
writer = csv.DictWriter(open("Test1.csv", "w"), fieldnames=writenames)
</code></pre>
<p>见<a href="https://docs.python.org/3.4/library/csv.html#csv.DictReader" rel="nofollow">DictReader documentation</a>。在</p>