如何解决组合上下文值过滤器和查询集 - Python - Django 视图 - 过滤器和用户
我需要在我的 python Django 网站的 views.py 中组合两个上下文值。一个是屏幕顶部的过滤器,用于过滤下面所有显示的数据,它看起来像这样...
context['filter'] = Sheet_Building_Filter(request.GET,queryset=Sheet_Building.objects.all())
另一个不是页面过滤器,但它过滤并返回来自当前登录用户的所有数据,它看起来像......
context['user'] = Sheet_Building.objects.filter(user=request.user)
我需要组合这些以同时在 HTML 中循环遍历它们。我认为这样的事情会奏效,但没有...
context['user_and_filter'] = Sheet_Building_Filter(request.GET,queryset=Sheet_Building.objects.filter(user=request.user))
这仅显示数据,不显示过滤器本身。我不确定过滤器是否有效,但没有显示要过滤的字段,或者它是否根本不起作用。我不知道为什么,我找不到过滤器的任何信息,用户数据被组合成一个值。我需要将它组合起来,因为我无法在 HTML 中执行嵌套的 for 循环。代码如下。谢谢!
views.py
def listdata_building(request):
sheet = Sheet_Building.objects.all()
context = {"sheet": sheet}
context['user_and_filter'] = Sheet_Building_Filter(request.GET,queryset=Sheet_Building.objects.filter(user=request.user))
context['user'] = Sheet_Building.objects.filter(user=request.user)
return render(request,'sheets/individual/list_data_building.html',context)
models.py
class Sheet_Building(models.Model):
user = models.ForeignKey(User,default=True,related_name="Building",on_delete=models.PROTECT)
date = models.DateField(blank=True,null=True,verbose_name='Inspection Date')
time = models.TimeField(blank=True,verbose_name='Inspection Time')
inspection_type = models.CharField(max_length=16,choices=INSPECTION_TYPE_BI,blank=True,verbose_name='Inspection Type')
flname = models.CharField(max_length=25,verbose_name='Inspector')
report_date = models.DateField(blank=True,verbose_name='Report Date')
department = models.CharField(max_length=29,choices=DEPARTMENT_BI,verbose_name='Department')
responsible_name = models.CharField(max_length=25,verbose_name='Responsible Person')
building_address = models.CharField(max_length=52,choices=BUILDING_ADDRESS,verbose_name='Building and Address')
floor = models.CharField(max_length=8,choices=FLOOR_LEVEL_BI,verbose_name='Floor / Level')
room = models.CharField(max_length=35,verbose_name='Area / Room')
location = models.CharField(max_length=10,choices=LOCATION_BI,verbose_name='Location')
priority = models.IntegerField(blank=True,verbose_name='Priority')
hazard_level = models.CharField(max_length=20,choices=HAZARD_LEVEL_BI,verbose_name='Hazard Level')
concern = models.CharField(max_length=31,choices=CONCERN_BI,verbose_name='Concern')
codes = models.CharField(max_length=51,choices=CODES_BI,verbose_name='Element and Code')
correction = models.TextField(max_length=160,verbose_name='Corrective Action')
image = models.ImageField(blank=True,verbose_name='Image',upload_to='gallery')
notes = models.TextField(max_length=500,verbose_name="Inspector's note")
class Meta:
ordering = ['-pk']
def __str__(self):
return self.flname or 'None'
def get_absolute_url(self):
return reverse('list_building')
过滤器.py
class Sheet_Building_Filter(django_filters.FilterSet):
class Meta:
model = Sheet_Building
fields = '__all__'
exclude = ['image','time','location','correction','notes','floor','room','priority','responsible_name','user']
HTML:
<div class="filterbar_BI">
<form method="get">
{{ user_and_filter.form }}
<button style="background-color: #2f3d50; border-radius: 16px;" class="filterbutton_BI btn btn-primary" type="submit">Search</button>
</form>
</div>
{% if user_and_filter %}
{% for post in user_and_filter %}
{{ post.date }}
{{ post.time }}
{{ post.inspection_type }}
{% endfor %}
{% endfor %}
解决方法
在您的视图中,EnableJpaReporsitories
包含来自该字段的所有数据,无论它是否来自登录用户。那你为什么要再次过滤它。您是否正在尝试获取不属于登录用户的数据。
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