擅长:python、mysql、java
<p>也许可以在类中添加<code>__init__</code>:</p>
<pre class="lang-py prettyprint-override"><code>import json
class Joint:
def __init__(self, spineX, spineY, spineZ):
self.spineX = spineX
self.spineY = spineY
self.spineZ = spineZ
s = '{"spineX":8.9,"spineY":7.7,"spineZ":9.9}'
o = json.loads(s)
joint = Joint(**o)
print(vars(joint))
</code></pre>