擅长:python、mysql、java
<p>更改:</p>
<pre><code>luke = find_my_object(Person(name='Luke'))
</code></pre>
<p>至</p>
<pre><code>luke = find_my_object('Person', name, 'Luke')
</code></pre>
<p>以及</p>
<pre><code>def find_my_object(modelname, fieldname, value=None):
return eval(modelname).objects.filter(fieldname='{}'.format(value)).first()
</code></pre>