擅长:python、mysql、java
<p>在Python中,使用<code>self</code>声明实例属性时,必须将代码更改为</p>
<pre><code>def __init__(self, *args, **kwargs):
super(UserOrderForm, self).__init__(*args, **kwargs)
self.car = 'BMW'
def clean(self):
cleaned_data = super(UserOrderForm, self).clean()
print(self.car)
</code></pre>
<p>在原始代码中,变量<code>car</code>只存在于<code>__init__</code>方法中。你知道吗</p>