擅长:python、mysql、java
<p>使用<a href="http://docs.python-requests.org/en/latest/" rel="nofollow">^{<cd1>}</a>生成<a href="https://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol#Request_methods" rel="nofollow">HTTP HEAD request</a>。在</p>
<pre><code>import requests
response = requests.head("http://www.example.com/")
if response.status_code == 200:
print(response.elapsed)
else:
print("did not return 200 OK")
</code></pre>
<p>输出:</p>
^{pr2}$