擅长:python、mysql、java
<p>你可以试试这个:</p>
<pre><code>import json
class Cat():
def __init__(self, name):
self.name = name
class Dog():
def __init__(self, name):
self.name = name
pets = dict()
pets[str(Cat)] = Cat("Tom").__dict__ #he can get the value using pets[str(Cat)] or pets.get(str(Cat),None))
pets[str(Dog)] = Dog("Rex").__dict__
print(pets.keys())
print(json.dumps(pets))
</code></pre>