擅长:python、mysql、java
<p>我想如果你使用lambda函数,这会起作用:</p>
<pre><code>class Foo(models.Model):
filestack = models.FileField(upload_to=lambda: self.gen_save_path())
def gen_save_path(self):
"""
gen_save_path: void -> String
Generates the path as a string for fileStack field.
"""
return "some generated string"
</code></pre>