擅长:python、mysql、java
<p>除了pxg的答案,get_form_instance应该是这样的,否则您不会编辑模型,而是创建一个新的实例:</p>
<pre><code>def get_form_instance(self, step):
if not self.instance:
if 'initial_id' in self.kwargs:
initial_id = self.kwargs['initial_id']
self.instance = Project.objects.get(id=initial_id)
else:
self.instance = Project()
return self.instance
</code></pre>