我如何在 django 中用其他模型制作的表单中使用来自其他模型的数据？
How do i use Data from other model inside forms that is made with other model in django?
现在我的模板看起来像这样
我希望将这些卡片用作右侧表格中的选项。我是新手，所以我不知道怎么做。这是否可能，以便我可以以使用我的订单模型构建的形式呈现计划模型中的数据。在订单模型中，我使用计划作为外键
Forms.py
class BuyPlanForm(forms.ModelForm):
error_css_class = 'error-field'
required_css_class = 'required-field'
pack = forms.ModelChoiceField(Plans.objects.all(), widget=forms.RadioSelect())
class Meta():
model = Orders
fields = ['pack']
我的Views.py
class UserBuyPlan(LoginRequiredMixin, View):
template = 'plans/plan.html'
success_url = reverse_lazy('home-home')
def get(self, request):
plans = Plans.objects.all()
form = BuyPlanForm()
ctx = {
'form': form,
'plans': plans,
}
return render(request, self.template, ctx)
def post(self, request):
form = BuyPlanForm(request.POST)
form.instance.user = self.request.user
if not form.is_valid():
ctx = {'form': form}
return render(request, self.template, ctx)
make = form.save()
return redirect(self.success_url)
我的models.py
class Plans(models.Model):
plan_name = models.CharField(max_length=50)
speed = models.IntegerField()
price = models.FloatField()
def __str__(self):
return self.plan_name
def get_deadline():
return dt.today() + timedelta(days=30)
class Orders(models.Model):
user = models.ForeignKey(CustomUser, primary_key=True, on_delete = models.CASCADE)
pack = models.ForeignKey(Plans, on_delete = models.CASCADE)
start_date = models.DateField(auto_now_add=True)
end_date = models.DateField(default=get_deadline())
is_active = models.BooleanField(default=True)
def __str__(self):
name = str(self.user.username)
return name
def get_absolute_url(self):
return reverse('home-home')
我的html模板
{% extends "home/base.html" %}
{% load crispy_forms_tags %}
{% block content %}
<div class="content-section">
<h1>Select a Plan That Suits You</h1>
<hr>
<div class="cards">
{% for plan in plans %}
<div class="card">
<div class="upper">
<span class="radio">{{ plan.plan_name }}</span>
</div>
<div class="lower">
<h5>₹{{ plan.price }}</h5>
<div class="details">
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-wifi" viewbox="0 0 16 16">
<path d="M15.384 6.115a.485.485 0 0 0-.047-.736A12.444 12.444 0 0 0 8 3C5.259 3 2.723 3.882.663 5.379a.485.485 0 0 0-.048.736.518.518 0 0 0 .668.05A11.448 11.448 0 0 1 8 4c2.507 0 4.827.802 6.716 2.164.205.148.49.13.668-.049z"/>
<path d="M13.229 8.271a.482.482 0 0 0-.063-.745A9.455 9.455 0 0 0 8 6c-1.905 0-3.68.56-5.166 1.526a.48.48 0 0 0-.063.745.525.525 0 0 0 .652.065A8.46 8.46 0 0 1 8 7a8.46 8.46 0 0 1 4.576 1.336c.206.132.48.108.653-.065zm-2.183 2.183c.226-.226.185-.605-.1-.75A6.473 6.473 0 0 0 8 9c-1.06 0-2.062.254-2.946.704-.285.145-.326.524-.1.75l.015.015c.16.16.407.19.611.09A5.478 5.478 0 0 1 8 10c.868 0 1.69.201 2.42.56.203.1.45.07.61-.091l.016-.015zM9.06 12.44c.196-.196.198-.52-.04-.66A1.99 1.99 0 0 0 8 11.5a1.99 1.99 0 0 0-1.02.28c-.238.14-.236.464-.04.66l.706.706a.5.5 0 0 0 .707 0l.707-.707z"/>
</svg>
<p>Data</p>
<p>Unlimited</p>
</div>
</div>
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-speedometer" viewbox="0 0 16 16">
<path d="M8 2a.5.5 0 0 1 .5.5V4a.5.5 0 0 1-1 0V2.5A.5.5 0 0 1 8 2zM3.732 3.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 8a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 8zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 7.31A.91.91 0 1 0 8.85 8.569l3.434-4.297a.389.389 0 0 0-.029-.518z"/>
<path fill-rule="evenodd" d="M6.664 15.889A8 8 0 1 1 9.336.11a8 8 0 0 1-2.672 15.78zm-4.665-4.283A11.945 11.945 0 0 1 8 10c2.186 0 4.236.585 6.001 1.606a7 7 0 1 0-12.002 0z"/>
</svg>
<p class="speed">Speed</p>
<p>Upto {{ plan.speed }} Mbps</p>
</div>
</div>
</div>
</div>
</div>
{% endfor %}
<div class="content-section">
<form action="" method="post">
{% csrf_token %}
{% for choice in form.pack %}
<span class="radio">{{ choice.tag }}</span>
{{ choice.choice_label }}
<br>
{% endfor %}
<input class="btn btn-outline-info" type="submit" value="Sign Up">
</form>
</div>
</div>
</div>
{% endblock content %}
请帮忙。
我只需要使用 if 块来比较选择标签和包中的名称，然后在两者匹配时显示额外的详细信息。
我的plans.html模板
<form action="" method="post">
<div class="cards">
{% for choice in form.pack %}
<div class="big-card">
<span class="radio">{{ choice.tag }}</span>
<div class="card">
<div class="upper">
<h4>{{ choice.choice_label }}</h4>
{% for plan in plans %}
{% if plan.plan_name == choice.choice_label %}
<h5>₹{{ plan.price }}</h5>
</div>
<div class="lower">
<div class="details">
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-wifi" viewbox="0 0 16 16">
<path d="M15.384 6.115a.485.485 0 0 0-.047-.736A12.444 12.444 0 0 0 8 3C5.259 3 2.723 3.882.663 5.379a.485.485 0 0 0-.048.736.518.518 0 0 0 .668.05A11.448 11.448 0 0 1 8 4c2.507 0 4.827.802 6.716 2.164.205.148.49.13.668-.049z"/>
<path d="M13.229 8.271a.482.482 0 0 0-.063-.745A9.455 9.455 0 0 0 8 6c-1.905 0-3.68.56-5.166 1.526a.48.48 0 0 0-.063.745.525.525 0 0 0 .652.065A8.46 8.46 0 0 1 8 7a8.46 8.46 0 0 1 4.576 1.336c.206.132.48.108.653-.065zm-2.183 2.183c.226-.226.185-.605-.1-.75A6.473 6.473 0 0 0 8 9c-1.06 0-2.062.254-2.946.704-.285.145-.326.524-.1.75l.015.015c.16.16.407.19.611.09A5.478 5.478 0 0 1 8 10c.868 0 1.69.201 2.42.56.203.1.45.07.61-.091l.016-.015zM9.06 12.44c.196-.196.198-.52-.04-.66A1.99 1.99 0 0 0 8 11.5a1.99 1.99 0 0 0-1.02.28c-.238.14-.236.464-.04.66l.706.706a.5.5 0 0 0 .707 0l.707-.707z"/>
</svg>
<p>Data</p>
<p>Unlimited</p>
</div>
</div>
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-speedometer" viewbox="0 0 16 16">
<path d="M8 2a.5.5 0 0 1 .5.5V4a.5.5 0 0 1-1 0V2.5A.5.5 0 0 1 8 2zM3.732 3.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 8a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 8zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 7.31A.91.91 0 1 0 8.85 8.569l3.434-4.297a.389.389 0 0 0-.029-.518z"/>
<path fill-rule="evenodd" d="M6.664 15.889A8 8 0 1 1 9.336.11a8 8 0 0 1-2.672 15.78zm-4.665-4.283A11.945 11.945 0 0 1 8 10c2.186 0 4.236.585 6.001 1.606a7 7 0 1 0-12.002 0z"/>
</svg>
<p class="speed">Speed</p>
<p>Upto {{ plan.speed }} Mbps</p>
</div>
</div>
</div>
</div>
{% endif %}
{% endfor %}
</div>
</div>
<br>
{% endfor %}
</div>
{% csrf_token %}
<br>
<input style="display: block; width: 100px; height: 50px;" class="btn btn-outline-info" type="submit" value="Sign Up">
</form>
现在我的模板像这样呈现并且可以工作了。
现在我的模板看起来像这样
我希望将这些卡片用作右侧表格中的选项。我是新手，所以我不知道怎么做。这是否可能，以便我可以以使用我的订单模型构建的形式呈现计划模型中的数据。在订单模型中，我使用计划作为外键
Forms.py
class BuyPlanForm(forms.ModelForm):
error_css_class = 'error-field'
required_css_class = 'required-field'
pack = forms.ModelChoiceField(Plans.objects.all(), widget=forms.RadioSelect())
class Meta():
model = Orders
fields = ['pack']
我的Views.py
class UserBuyPlan(LoginRequiredMixin, View):
template = 'plans/plan.html'
success_url = reverse_lazy('home-home')
def get(self, request):
plans = Plans.objects.all()
form = BuyPlanForm()
ctx = {
'form': form,
'plans': plans,
}
return render(request, self.template, ctx)
def post(self, request):
form = BuyPlanForm(request.POST)
form.instance.user = self.request.user
if not form.is_valid():
ctx = {'form': form}
return render(request, self.template, ctx)
make = form.save()
return redirect(self.success_url)
我的models.py
class Plans(models.Model):
plan_name = models.CharField(max_length=50)
speed = models.IntegerField()
price = models.FloatField()
def __str__(self):
return self.plan_name
def get_deadline():
return dt.today() + timedelta(days=30)
class Orders(models.Model):
user = models.ForeignKey(CustomUser, primary_key=True, on_delete = models.CASCADE)
pack = models.ForeignKey(Plans, on_delete = models.CASCADE)
start_date = models.DateField(auto_now_add=True)
end_date = models.DateField(default=get_deadline())
is_active = models.BooleanField(default=True)
def __str__(self):
name = str(self.user.username)
return name
def get_absolute_url(self):
return reverse('home-home')
我的html模板
{% extends "home/base.html" %}
{% load crispy_forms_tags %}
{% block content %}
<div class="content-section">
<h1>Select a Plan That Suits You</h1>
<hr>
<div class="cards">
{% for plan in plans %}
<div class="card">
<div class="upper">
<span class="radio">{{ plan.plan_name }}</span>
</div>
<div class="lower">
<h5>₹{{ plan.price }}</h5>
<div class="details">
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-wifi" viewbox="0 0 16 16">
<path d="M15.384 6.115a.485.485 0 0 0-.047-.736A12.444 12.444 0 0 0 8 3C5.259 3 2.723 3.882.663 5.379a.485.485 0 0 0-.048.736.518.518 0 0 0 .668.05A11.448 11.448 0 0 1 8 4c2.507 0 4.827.802 6.716 2.164.205.148.49.13.668-.049z"/>
<path d="M13.229 8.271a.482.482 0 0 0-.063-.745A9.455 9.455 0 0 0 8 6c-1.905 0-3.68.56-5.166 1.526a.48.48 0 0 0-.063.745.525.525 0 0 0 .652.065A8.46 8.46 0 0 1 8 7a8.46 8.46 0 0 1 4.576 1.336c.206.132.48.108.653-.065zm-2.183 2.183c.226-.226.185-.605-.1-.75A6.473 6.473 0 0 0 8 9c-1.06 0-2.062.254-2.946.704-.285.145-.326.524-.1.75l.015.015c.16.16.407.19.611.09A5.478 5.478 0 0 1 8 10c.868 0 1.69.201 2.42.56.203.1.45.07.61-.091l.016-.015zM9.06 12.44c.196-.196.198-.52-.04-.66A1.99 1.99 0 0 0 8 11.5a1.99 1.99 0 0 0-1.02.28c-.238.14-.236.464-.04.66l.706.706a.5.5 0 0 0 .707 0l.707-.707z"/>
</svg>
<p>Data</p>
<p>Unlimited</p>
</div>
</div>
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-speedometer" viewbox="0 0 16 16">
<path d="M8 2a.5.5 0 0 1 .5.5V4a.5.5 0 0 1-1 0V2.5A.5.5 0 0 1 8 2zM3.732 3.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 8a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 8zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 7.31A.91.91 0 1 0 8.85 8.569l3.434-4.297a.389.389 0 0 0-.029-.518z"/>
<path fill-rule="evenodd" d="M6.664 15.889A8 8 0 1 1 9.336.11a8 8 0 0 1-2.672 15.78zm-4.665-4.283A11.945 11.945 0 0 1 8 10c2.186 0 4.236.585 6.001 1.606a7 7 0 1 0-12.002 0z"/>
</svg>
<p class="speed">Speed</p>
<p>Upto {{ plan.speed }} Mbps</p>
</div>
</div>
</div>
</div>
</div>
{% endfor %}
<div class="content-section">
<form action="" method="post">
{% csrf_token %}
{% for choice in form.pack %}
<span class="radio">{{ choice.tag }}</span>
{{ choice.choice_label }}
<br>
{% endfor %}
<input class="btn btn-outline-info" type="submit" value="Sign Up">
</form>
</div>
</div>
</div>
{% endblock content %}
请帮忙。
我只需要使用 if 块来比较选择标签和包中的名称，然后在两者匹配时显示额外的详细信息。 我的plans.html模板
<form action="" method="post">
<div class="cards">
{% for choice in form.pack %}
<div class="big-card">
<span class="radio">{{ choice.tag }}</span>
<div class="card">
<div class="upper">
<h4>{{ choice.choice_label }}</h4>
{% for plan in plans %}
{% if plan.plan_name == choice.choice_label %}
<h5>₹{{ plan.price }}</h5>
</div>
<div class="lower">
<div class="details">
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-wifi" viewbox="0 0 16 16">
<path d="M15.384 6.115a.485.485 0 0 0-.047-.736A12.444 12.444 0 0 0 8 3C5.259 3 2.723 3.882.663 5.379a.485.485 0 0 0-.048.736.518.518 0 0 0 .668.05A11.448 11.448 0 0 1 8 4c2.507 0 4.827.802 6.716 2.164.205.148.49.13.668-.049z"/>
<path d="M13.229 8.271a.482.482 0 0 0-.063-.745A9.455 9.455 0 0 0 8 6c-1.905 0-3.68.56-5.166 1.526a.48.48 0 0 0-.063.745.525.525 0 0 0 .652.065A8.46 8.46 0 0 1 8 7a8.46 8.46 0 0 1 4.576 1.336c.206.132.48.108.653-.065zm-2.183 2.183c.226-.226.185-.605-.1-.75A6.473 6.473 0 0 0 8 9c-1.06 0-2.062.254-2.946.704-.285.145-.326.524-.1.75l.015.015c.16.16.407.19.611.09A5.478 5.478 0 0 1 8 10c.868 0 1.69.201 2.42.56.203.1.45.07.61-.091l.016-.015zM9.06 12.44c.196-.196.198-.52-.04-.66A1.99 1.99 0 0 0 8 11.5a1.99 1.99 0 0 0-1.02.28c-.238.14-.236.464-.04.66l.706.706a.5.5 0 0 0 .707 0l.707-.707z"/>
</svg>
<p>Data</p>
<p>Unlimited</p>
</div>
</div>
<div class="item">
<div class="item-1">
<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-speedometer" viewbox="0 0 16 16">
<path d="M8 2a.5.5 0 0 1 .5.5V4a.5.5 0 0 1-1 0V2.5A.5.5 0 0 1 8 2zM3.732 3.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 8a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 8zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 7.31A.91.91 0 1 0 8.85 8.569l3.434-4.297a.389.389 0 0 0-.029-.518z"/>
<path fill-rule="evenodd" d="M6.664 15.889A8 8 0 1 1 9.336.11a8 8 0 0 1-2.672 15.78zm-4.665-4.283A11.945 11.945 0 0 1 8 10c2.186 0 4.236.585 6.001 1.606a7 7 0 1 0-12.002 0z"/>
</svg>
<p class="speed">Speed</p>
<p>Upto {{ plan.speed }} Mbps</p>
</div>
</div>
</div>
</div>
{% endif %}
{% endfor %}
</div>
</div>
<br>
{% endfor %}
</div>
{% csrf_token %}
<br>
<input style="display: block; width: 100px; height: 50px;" class="btn btn-outline-info" type="submit" value="Sign Up">
</form>
现在我的模板像这样呈现并且可以工作了。