django-templates

问题 In my online shop, I fetch all of the products and services from two different apps and list them for the user to make his wishlist. Each product or service is displayed in a bootstrap card that contains an input field for the count of products. #views.py def my_products(request): ip_sensor = Ip_sensor.objects.all().order_by('title') control_valves = ControlValves.objects.all().order_by('title') context = { 'ip_sensor': ip_sensor, 'control_valves': control_valves, } return render(request,

问题 In my online shop, I fetch all of the products and services from two different apps and list them for the user to make his wishlist. Each product or service is displayed in a bootstrap card that contains an input field for the count of products. #views.py def my_products(request): ip_sensor = Ip_sensor.objects.all().order_by('title') control_valves = ControlValves.objects.all().order_by('title') context = { 'ip_sensor': ip_sensor, 'control_valves': control_valves, } return render(request,

问题 Hi I have written a def clean(self) function in forms to make sure that if there was previously already a post with the same title, they will return a message saying that the title already exists and hence the form cannot be submitted. Problem now: When I enter a title that already exists and I try to create the post, all data previously input will be removed and I will be redirected to a fresh form. No errors were raised. What I want is for the error to be raised and shown to the user when I

问题 Hi I have written a def clean(self) function in forms to make sure that if there was previously already a post with the same title, they will return a message saying that the title already exists and hence the form cannot be submitted. Problem now: When I enter a title that already exists and I try to create the post, all data previously input will be removed and I will be redirected to a fresh form. No errors were raised. What I want is for the error to be raised and shown to the user when I

问题 widthformat automatically rounds up. However I would like to perform a division and round up to n decimal places in the template tag if possible. For instance: <h4>Strike Rate: {% widthratio selected_replies user.projectreply_set.count 100 %}</h4> Currently it returns an integer. How would I apply floatformat here, or do I need to do this work in the view? The alternative way using the model class UserProfile(models.Model): .... .... def get_strike_rate(self): selected_replies = self.user

问题 I have a Photo model with two fields: title = models.CharField() path = models.CharField() When I adding the new photo in admin panel, the path is equals to /images/image_ex.jpg This is my view file: def gallery(request): photos = Photo.objects.all() return render(request, 'gallery.html', {'photos': photos}) This is the tag in gallery.html: {% loadstaticfiles %} <img src="{%static '{{photo.path}}'%}"/> The problem is that the photo does not render and if I look in the code of the page, the

问题 here is my site url http://webtrick.heliohost.org/ my template directory settings: TEMPLATE_DIRS = ( os.path.join(os.path.dirname(__file__) , 'templates').replace('\\','/') ) view.py from django.http import HttpResponse from django.template import Template , Context from django.shortcuts import render_to_response def index(request): return render_to_response('index.html') url.py from django.conf.urls.defaults import patterns, include, url from webtrickster.views import index urlpatterns =

问题 Is there a way to handle exceptions within a template in jinja2? {% for item in items %} {{ item|urlencode }} <-- item contains a unicode string that contains a character causes urlencode to throw KeyError {% endfor %} How do I handle that exception so that I can just skip that item or handle it without forcing the entire template rendering to fail? Thanks! 回答1: {% for item in items %} {{ item | custom_urlencode_filter }} {% endfor %} Then in whatever file you have setting up your jinja2

问题 Is there a way to handle exceptions within a template in jinja2? {% for item in items %} {{ item|urlencode }} <-- item contains a unicode string that contains a character causes urlencode to throw KeyError {% endfor %} How do I handle that exception so that I can just skip that item or handle it without forcing the entire template rendering to fail? Thanks! 回答1: {% for item in items %} {{ item | custom_urlencode_filter }} {% endfor %} Then in whatever file you have setting up your jinja2

问题 Is there a way to handle exceptions within a template in jinja2? {% for item in items %} {{ item|urlencode }} <-- item contains a unicode string that contains a character causes urlencode to throw KeyError {% endfor %} How do I handle that exception so that I can just skip that item or handle it without forcing the entire template rendering to fail? Thanks! 回答1: {% for item in items %} {{ item | custom_urlencode_filter }} {% endfor %} Then in whatever file you have setting up your jinja2