擅长:python、mysql、java
<p>为此,我实现了一个“选择”功能:</p>
<pre><code>def choices(self, cl):
lookup_choices = [('',_('All'))] + self.lookup_choices
for lookup, title in lookup_choices:
yield {
'selected': self.value() == str(lookup),
'query_string': cl.get_query_string({self.parameter_name: lookup,}, []),
'display': title,
}
</code></pre>