Hee*_*wal 3 django django-queryset
我在下面的查询中要提取“ specs”的地方,这是一本字典,但是envi_dict的类型是Queryset类。如何从该查询集中获取字典?任何帮助深表感谢。
envi_dict = Environment.objects.values('specs')
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结果
<QuerySet [({u'CPU Model': u'Dell', u'RAM': 1000, u'CPU': 400},), ({u'CPU Model': u'Dell', u'RAM': 1000, u'CPU': 400},)]>, <class 'django.db.models.query.QuerySet'>, )
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我尝试了Environment.objects.filter(title=item.title).values('specs'),Environment.objects.get('specs')但是我仍然得到一个查询集。
编辑:下面是 models.py
class CommonModel(models.Model):
author = models.ForeignKey('auth.User',)
title = models.CharField(max_length=400)
comments = models.TextField(blank=True)
requirements = JSONField(default = {})
specs = JSONField(default= {})
created_date = models.DateTimeField(default=timezone.now)
updated_date = models.DateTimeField(blank=True, null=True)
class Meta:
abstract = True
def update(self):
self.updated_date = timezone.now()
self.save()
def __str__(self):
return self.title
class Estimate(CommonModel):
gp_code = models.TextField(default='Unknown')
inputs = models.TextField(blank=True)
...
def __str__(self):
return self.title
class Environment(CommonModel):
estimate = models.ForeignKey(Estimate,related_name='environments')
logic = PythonCodeField(blank=True, null=True)
...
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通过遍历所有环境模型实例,以模型instance.title为键,而specs为值来构建字典列表。
[{i.title: i.specs} for i in Environment.objects.all()]
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