擅长:python、mysql、java
<p>更简单的方法是使用来自Django的<a href="https://docs.djangoproject.com/en/dev/topics/serialization/#serialization-formats-json" rel="nofollow">serialization</a>native。在</p>
<pre><code>from django.core import serializers
class Exercise(models.Model):
name = models.CharField(null=False,max_length=255)
def __unicode__(self):
return str(self.id)
serialized_data = serializers.serialize("json", Exercise.objects.all(), fields=('name'))
</code></pre>
<p>使自定义类返回JSON</p>
^{pr2}$