之前有通过分类来筛选文章的功能，这次添加根据创建日期来筛选文章。

1、变化的部分

2、上代码

ul.blog-types,ul.blog-dates {
        list-style-type: none;}div.blog:not(:last-child) {
        margin-bottom: 2em;    padding-bottom: 1em;    border-bottom: 1px solid #eee;}div.blog h3 {
        margin-top: 0.5em;}div.blog-info p {
        margin-bottom: 0;}div.blog-info-description {
        list-style-type: none;    margin-bottom: 1em;}ul.blog-info-description li {
        display: inline-block;    margin-right: 2em;}div.blog-content {
        text-indent: 2em;}div.paginator {
        text-align: center;}div.container {
        max-width: 80%;}

{# 引用模板 #}{% extends 'base.html' %}{% load staticfiles %}{% block header_extends %}    
      {% endblock %}{# 标题 #}{% block title %}    {
     { blog.title }}{% endblock %}{# 内容#}{% block content %}    
      
        
       
            
        
                
         
                    
          
{
    { blog.title }}
                    
          
作者：{
    { blog.author }}
                    {# 时间过滤器让时间按照自己需要的格式过滤 #}                    
          
发布日期：{
    { blog.created_time|date:"Y-m-d H:n:s" }}
                    
          
分类：                         { { blog.blog_type }}                     
                
         
                
         
{
    { blog.content }}
                
         
上一篇：                    {% if previous_blog %}                       {
    { previous_blog.title }}                    {% else %}                        没有了                    {% endif %}                
                
         
下一篇：                    {% if next_blog %}                        {
    { next_blog.title }}                    {% else %}                        没有了                    {% endif %}                
            
        
        
       
    
      
{% endblock %}{% block js %}    {% endblock %}

{% extends 'base.html' %}{% load staticfiles %}{# 标题 #}{% block title %}    felix Blog{% endblock %}{% block header_extends %}    
          
      {% endblock %}{# 内容#}{% block content %}    
      
        
       
            
        
                
         
                    
          
           
{% block blog_type_title %}博客列表{% endblock %}
                    
          
                    
          
                                   {% for blog in blogs %}                            
           
 
            
{ { blog.title }}
 
            
 
             
 {# 添加图标 #}   { { blog.blog_type }}   { { blog.created_time|date:"Y-m-d" }} 
             
 
            
 
            
{ { blog.content|truncatechars:30 }}
 
           
                        {% empty %}                            
           
 
            
--暂无博客，敬请期待--
 
           
                        {% endfor %}                    
          
                
         
                {# 分页 #}                
         
                    
          
                                   {# 首页 #}                        
           
首页
                        {# 上一页 #}                        {% if page_of_blogs.has_previous %}                            
           
上一页 
                        {% else %}                            
           
上一页
                        {% endif %}                        {# 全部页码 #}                        {% for page_num in page_range %}                            {# 添加当前页高亮显示 #}                            {% if page_num == page_of_blogs.number %}                                
           
{ { page_num }}
                            {% else %}                                
           
{ { page_num }}
                            {% endif %}                        {% endfor %}                        {# 下一页 #}                        {% if page_of_blogs.has_next %}                            
           
下一页
                        {% else %}                            
           
下一页
                        {% endif %}                        {# 尾页 #}                        
           
尾页
                    
          
                    
          
                        一共有 {
     { page_of_blogs.paginator.count }}篇博客，当前{
     { page_of_blogs.number }}页，共{
     { page_of_blogs.paginator.num_pages }}页                    
                
         
            
        
            
        
                
         
                    
          
           
博客分类
          
                    
          
                        
           
             {% for blog_type in blog_types %} 
            
{ { blog_type.type_name }} 
 {% empty %} 
            
暂无分类
 {% endfor %} 
           
                    
          
                
         
                
         
                    
          
           
日期归档
          
                    
          
                        
           
             {% for blog_date in blog_dates %} 
            
  { { blog_date|date:'Y年m月' }}  
 {% empty %} 
            
暂无分类
 {% endfor %} 
           
                    
          
                
         
            
        
        
       
    
      
{% endblock %}{% block js %}    {% endblock %}

{% extends 'blog/blog_list.html' %}{# 标题 #}{% block title %}    {
     { blog_type.type_name }}{% endblock %}{% block blog_type_title %}    日期：{
     { blogs_with_date }}{% endblock %}

# -*- coding: utf-8 -*-# @Time    : 18-11-4 下午5:22# @Author  : Felix Wangfrom django.urls import pathfrom . import viewsurlpatterns = [    path('', views.blog_list, name='blog_list'),    # name 表示别名    path('
      
       ', views.blog_detail, name='blog_detail'),    # 链接非常容易混掉，所以要区分，在链接前面添加type    path('type/
       
        ', views.blogs_with_type, name='blogs_with_type'),    # 根据日期分类    path('date/
        
         /
         
          ', views.blogs_with_date, name='blogs_with_date'),]
         
        
       
      

from django.shortcuts import render_to_response, get_object_or_404from .models import Blog, BlogTypefrom django.core.paginator import Paginatorfrom django.conf import settings# 分页部分公共代码def blog_list_common_data(requests, blogs_all_list):    paginator = Paginator(blogs_all_list, settings.EACH_PAGE_BLOGS_NUMBER)  # 第一个参数是全部内容，第二个是每页多少    page_num = requests.GET.get('page', 1)  # 获取url的页面参数（get请求）    page_of_blogs = paginator.get_page(page_num)  # 从分页器中获取指定页码的内容    current_page_num = page_of_blogs.number  # 获取当前页    all_pages = paginator.num_pages    if all_pages < 5:        page_range = list(            range(max(current_page_num - 2, 1),                  min(all_pages + 1, current_page_num + 3)))  # 获取需要显示的页码 并且剔除不符合条件的页码    else:        if current_page_num <= 2:            page_range = range(1, 5 + 1)        elif current_page_num >= all_pages - 2:            page_range = range(all_pages - 4, paginator.num_pages + 1)        else:            page_range = list(                range(max(current_page_num - 2, 1),                      min(all_pages + 1, current_page_num + 3)))  # 获取需要显示的页码 并且剔除不符合条件的页码    return {        'blogs': page_of_blogs.object_list,        'page_of_blogs': page_of_blogs,        'blog_types': BlogType.objects.all(),        'page_range': page_range,        'blog_dates': Blog.objects.dates('created_time', 'month', order='DESC')    }# 博客列表def blog_list(requests):    blogs_all_list = Blog.objects.all()  # 获取全部博客    context = blog_list_common_data(requests, blogs_all_list)    return render_to_response('blog/blog_list.html', context)# 根据类型筛选def blogs_with_type(requests, blog_type_pk):    blog_type = get_object_or_404(BlogType, pk=blog_type_pk)    blogs_all_list = Blog.objects.filter(blog_type=blog_type)  # 获取全部博客    context = blog_list_common_data(requests, blogs_all_list)    context['blog_type'] = blog_type    return render_to_response('blog/blog_with_type.html', context)# 根据日期筛选def blogs_with_date(requests, year, month):    blogs_all_list = Blog.objects.filter(created_time__year=year, created_time__month=month)  # 获取全部博客    context = blog_list_common_data(requests, blogs_all_list)    context['blogs_with_date'] = '{}年{}日'.format(year, month)    return render_to_response('blog/blog_with_date.html', context)# 博客详情def blog_detail(requests, blog_pk):    blog = get_object_or_404(Blog, pk=blog_pk)    context = {        'blog': blog,        'previous_blog': Blog.objects.filter(created_time__gt=blog.created_time).last(),        'next_blog': Blog.objects.filter(created_time__lt=blog.created_time).first(),    }    return render_to_response('blog/blog_detail.html', context)

"""Django settings for myblog project.Generated by 'django-admin startproject' using Django 2.1.3.For more information on this file, seehttps://docs.djangoproject.com/en/2.1/topics/settings/For the full list of settings and their values, seehttps://docs.djangoproject.com/en/2.1/ref/settings/"""import os# Build paths inside the project like this: os.path.join(BASE_DIR, ...)BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))# Quick-start development settings - unsuitable for production# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/# SECURITY WARNING: keep the secret key used in production secret!SECRET_KEY = 'ea+kzo_5k^6r7micfg@lar1(rfdc08@b4*+w5d11=0mp1p5ngr'# SECURITY WARNING: don't run with debug turned on in production!DEBUG = TrueALLOWED_HOSTS = []# Application definitionINSTALLED_APPS = [    'django.contrib.admin',    'django.contrib.auth',    'django.contrib.contenttypes',    'django.contrib.sessions',    'django.contrib.messages',    'django.contrib.staticfiles',    'blog.apps.BlogConfig',  # 将自己创建的app添加到设置中]MIDDLEWARE = [    'django.middleware.security.SecurityMiddleware',    'django.contrib.sessions.middleware.SessionMiddleware',    'django.middleware.common.CommonMiddleware',    'django.middleware.csrf.CsrfViewMiddleware',    'django.contrib.auth.middleware.AuthenticationMiddleware',    'django.contrib.messages.middleware.MessageMiddleware',    'django.middleware.clickjacking.XFrameOptionsMiddleware',]ROOT_URLCONF = 'myblog.urls'TEMPLATES = [    {        'BACKEND': 'django.template.backends.django.DjangoTemplates',        'DIRS': [            os.path.join(BASE_DIR, 'templates'),        ],        'APP_DIRS': True,        'OPTIONS': {            'context_processors': [                'django.template.context_processors.debug',                'django.template.context_processors.request',                'django.contrib.auth.context_processors.auth',                'django.contrib.messages.context_processors.messages',            ],        },    },]WSGI_APPLICATION = 'myblog.wsgi.application'# Database# https://docs.djangoproject.com/en/2.1/ref/settings/#databasesDATABASES = {    # 'default': {
         #     'ENGINE': 'django.db.backends.sqlite3',    #     'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),    # }    'default': {        'ENGINE': 'django.db.backends.mysql',        'NAME': 'myblogs',  # 要连接的数据库，连接前需要创建好        'USER': 'root',  # 连接数据库的用户名        'PASSWORD': 'felixwang',  # 连接数据库的密码        'HOST': '127.0.0.1',  # 连接主机，默认本级        'PORT': 3306  # 端口 默认3306    }}# Password validation# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validatorsAUTH_PASSWORD_VALIDATORS = [    {        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',    },    {        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',    },    {        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',    },    {        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',    },]# Internationalization# https://docs.djangoproject.com/en/2.1/topics/i18n/# LANGUAGE_CODE = 'en-us'# 语言LANGUAGE_CODE = 'zh-hans'# TIME_ZONE = 'UTC'# 时区TIME_ZONE = 'Asia/Shanghai'USE_I18N = TrueUSE_L10N = True# 不考虑时区USE_TZ = False# Static files (CSS, JavaScript, Images)# https://docs.djangoproject.com/en/2.1/howto/static-files/STATIC_URL = '/static/'STATICFILES_DIRS = [    os.path.join(BASE_DIR, "static")]# 自定义参数EACH_PAGE_BLOGS_NUMBER = 7

3、注意点

（1）、django通过月份查询时可能会遇到无法查询到内容的问题。

可以在settings中设置

# 不考虑时区USE_TZ = False

用来不考虑时区

（2）、django中的查询扩展