[英]Django admin list view
I have Model like: 我的模型如下:
class MyModel(models.Model):
user = models.ForeignKey(User)
field1 = models.CharField(max_length=100, db_index=True, null=False, blank=False)
field2 = models.CharField(max_length=100)
Of course it is shown as list like: 当然它显示为列表如:
user1 | field1 | field2
user1 | field1 | field2
user2 | field1 | field2
user2 | field1 | field2
I would like to show it like: 我想表现出来:
user1 | field1_count() | field2_count()
user2 | field1_count() | field2_count()
I know how to calculate field1_count() and field2_count() for user, but how keep only one row per user? 我知道如何为用户计算field1_count()和field2_count(),但每个用户如何只保留一行?
You could use the list_display attribute to define which fields are displayed in the change list page of the admin. 您可以使用list_display属性来定义在管理员的更改列表页面中显示的字段。
class MyAdmin(admin.ModelAdmin):
list_display = ('username', 'field1_count', 'field2_count')
def field1_count(self, obj):
# count field1
return c
def field2_count(self, obj):
# count field2
return c
admin.site.register(User, MyAdmin)
Note that this will make at least two queries per row in your change list page, which might or might not be a problem in your case. 请注意,这将在您的更改列表页面中每行至少进行两次查询,这在您的情况下可能是也可能不是问题。
Alternatively, you can try overwriting either ModelAdmin.queryset or ModelAdmin.changelist_view . 或者,您可以尝试覆盖ModelAdmin.queryset或ModelAdmin.changelist_view 。
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