擅长:python、mysql、java
<p>问题是文件的写入是缓冲的,不会立即发生。您应该关闭文件描述符以刷新任何未写入的数据:</p>
<pre><code>csvFile.close()
</code></pre>
<p>或者只使用<code>with</code>语句(推荐):</p>
<pre><code>csvdata = [datetime.datetime.now()]
with open("Datetime.csv","w") as csvFile:
Fileout = csv.writer(csvFile, delimiter=',', quoting=csv.QUOTE_ALL)
Fileout.writerow(csvdata)
</code></pre>