Python(自定义url、筛选 3)

{% load filter %}
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        .condition a{
            display: inline-block;
            padding: 3px 5px;
            border: 1px solid #dddddd;
            margin: 5px ;
        }
        .condition a.active{
            background-color: brown;
        }
    </style>
</head>
<body>
    <h1>过滤条件</h1>
    <div class="condition">
        <div>
            {% filter_all arg_dict 'article_type_id' %}
            {% filter_article_type article_type_list arg_dict %}
        </div>
        <div>
            {% filter_all arg_dict 'category_id' %}
            {% for row in category_list %}
                {% if row.id == arg_dict.category_id %}
                    <a class="active" href="/article-{{ arg_dict.article_type_id }}-{{ row.id  }}.html">{{ row.caption }}</a>
                {% else %}
                    <a href="/article-{{ arg_dict.article_type_id }}-{{ row.id  }}.html">{{ row.caption }}</a>
                {% endif %}
            {% endfor %}
        </div>
    </div>
    <h1>查询结果</h1>
    <ul>
        {% for row in result %}
            <li>{{ row.id }}-{{ row.title }}</li>
        {% endfor %}
    </ul>
</body>
</html>

models

from django.db import models
# Create your models here.
class Category(models.Model):
caption = models.CharField(max_length=16)
# class ArticleType(models.Model):
# caption = models.CharField(max_length=16)
class Article(models.Model):
title = models.CharField(max_length=32)
content = models.CharField(max_length=255)
category = models.ForeignKey(Category)
# article_type = models.ForeignKey(ArticleType)
type_choice = (
(1,'Python'),
(2,'OpenStack'),
(3,'Linux'),
)
article_type_id = models.IntegerField(choices=type_choice)

views

from django.shortcuts import render
from app01 import models
def article(request,*args,**kwargs):
    print(kwargs)
    # print(request.path_info) # 获取当前URL
    # from django.urls import reverse
    # # {'article_type_id': '0', 'category_id': '0'}
    # url = reverse('article',kwargs={'article_type_id': '1', 'category_id': '0'})
    # print(url)
    # print(kwargs) # {'article_type_id': '0', 'category_id': '0'}
    condition = {}
    for k,v in kwargs.items():
        kwargs[k] = int(v)
        if v == '0':
            pass
        else:
            condition[k] = v
    # article_type_list = models.ArticleType.objects.all()
    article_type_list = models.Article.type_choice
    category_list = models.Category.objects.all()
    result = models.Article.objects.filter(**condition)
    return  render(
        request,
        'article.html',
        {
            'result': result,
            'article_type_list': article_type_list,
            'category_list': category_list,
            'arg_dict': kwargs
        }
    )

templatetags/filter

from django import template
from django.utils.safestring import mark_safe
register = template.Library()
@register.simple_tag
def filter_all(arg_dict,k):
    """
    {% if arg_dict.article_type_id == 0 %}
        全部
    {% else %}
        全部
    {% endif %}
    :return:
    """
    if k == 'article_type_id':
        n1 = arg_dict['article_type_id']
        n2 = arg_dict['category_id']
        if n1 == 0:
            ret = '全部' % n2
        else:
            ret = '全部' % n2
    else:
        n1 = arg_dict['category_id']
        n2 = arg_dict['article_type_id']
        if n1 == 0:
            ret = '全部' % n2
        else:
            ret = '全部' % n2
    return mark_safe(ret)
@register.simple_tag
def filter_article_type(article_type_list,arg_dict):
    """
    {% for row in article_type_list %}
        {% if row.id == arg_dict.article_type_id %}
        {% else %}
            {{ row.caption }}
        {% endif %}
    {% endfor %}
    :return:
    """
    ret = []
    for row in article_type_list:
        if row[0] == arg_dict['article_type_id']:
            temp = '%s' %(row[0],arg_dict['category_id'],row[1],)
        else:
            temp = '%s' %(row[0],arg_dict['category_id'],row[1],)
        ret.append(temp)
    return mark_safe(''.join(ret))

urls

"""s14day25 URL Configuration
The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/1.10/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  url(r'^$', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  url(r'^$', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.conf.urls import url, include
    2. Add a URL to urlpatterns:  url(r'^blog/', include('blog.urls'))
"""
from django.conf.urls import url
from django.contrib import admin
from app01 import views
from app02 import views as a2
urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^req/', a2.req),
    url(r'^article-(?P\d+)-(?P\d+).html',views.article,name='article'),
]

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