擅长:python、mysql、java
<p>您可以使用<a href="http://docs.python.org/2/library/stdtypes.html#dict.get" rel="nofollow">^{<cd1>}</a></p>
<p><code>request.POST.get('userType')</code></p>
<blockquote>
<p>get(key[, default]) Return the value for key if key is in the
dictionary, else default. If default is not given, it defaults to
None, so that this method never raises a KeyError</p>
</blockquote>
<p>一。在</p>