擅长:python、mysql、java
<p>我建议您使用这里写的子流程:<a href="http://kendriu.com/how-to-use-pipes-in-python-subprocesspopen-objects" rel="nofollow noreferrer">http://kendriu.com/how-to-use-pipes-in-python-subprocesspopen-objects</a></p>
<pre><code>ls = subprocess.Popen('ls /etc'.split(), stdout=subprocess.PIPE)
grep = subprocess.Popen('grep ntp'.split(), stdin=ls.stdout, stdout=subprocess.PIPE)
output = grep.communicate()[0]
</code></pre>
<p>这是Python使用管道的方式。在</p>