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Django1.11搭建粗陋blog

2017-11-02 05:59 351 查看
python django 版本的错乱,使网上的资源着实好少。但还得感谢网上各路大神,以及官网上的免费教程(document的英文字太多 没中文简明直观扼要,要想深入,必须硬着头皮看)

配置环境:

Linux

python3.5

django1.11

===============

创建mysite工程项目:

(venv) x@x-MacBook:~/skywalker$ django-admin.py startproject mysite


在mysite目录下创建blog应用
(venv) x@x-MacBook:~/skywalker$ cd mysite
(venv) x@x-MacBook:~/skywalker/mysite$ python manage.py startapp blog
同步数据库python manage.py migrate
创建超级用户,用户登录admin后台
(venv) x@x-MacBook:~/skywalker/mysite$ python manage.py createsuperuser
Username (leave blank to use 'x'): skyx
Email address: skyx@qq.com
Password:
Password (again):
Superuser created successfully.
添加blog应用,打开mysite/mysite/settings.py 文件:
INSTALLED_APPS = (

'django.contrib.admin',

'django.contrib.auth',

'django.contrib.contenttypes',

'django.contrib.sessions',

'django.contrib.messages',

'django.contrib.staticfiles',

'blog',

数据迁移(venv) x@x-MacBook:~/skywalker/mysite$ python manage.py makemigrations blog
Migrations for 'blog':
blog/migrations/0001_initial.py
- Create model BlogsPost
启动django web服务器
(venv) x@x-MacBook:~/skywalker/mysite$ python manage.py runserver
Performing system checks...

System check identified no issues (0 silenced).

You have 1 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): blog.
Run 'python manage.py migrate' to apply them.
如果出错,再同步下数据
python manage.py migrate
访问网址127.0.0.1:8000/admin/



增加model
  我们打开blog目录下的models.py文件,这是我们定义blog数据结构的地方。打开mysite/blog/models.py 文件进行修改:
from django.db import models
from django.contrib import admin

# Create your models here.
class BlogsPost(models.Model):
title = models.CharField(max_length = 150)
body = models.TextField()
timestamp = models.DateTimeField()

admin.site.register(BlogsPost)出现错误时 更新初始化这两个指令
python manage.py makemigrations blog
python manage.py migrate
再次runserver启动服务,访问admin后台 编写blog


 
设置admin的BlogsPosts界面
打开mysite/blog/models.py 文件,做如下修改:
from django.db import models
from django.contrib import admin

# Create your models here.
class BlogsPost(models.Model):
title = models.CharField(max_length = 150)
body = models.TextField()
timestamp = models.DateTimeField()

class BlogPostAdmin(admin.ModelAdmin):
list_display = ('title','timestamp')

admin.site.register(BlogsPost,BlogPostAdmin)


创建blog的三大块:

一个模板(template):模板负责把传递进来的信息显示出来。
一个视图(view):视图负责从数据库获取需要显示的信息。
一个URL模式:它负责把收到的请求和你的试图函数匹配,有时候也会向视图传递一些参数。
============================================================================
创建模板在blog项目下创建templates目录(mysite/blog/templates/),在目录下创建模板文件index.html,内容如下:

{% extends "base.html" %}
{% block content %}
{% for post in blog_list %}
<h2>{{ post.title }}</h2>
<p>{{ post.timestamp | date:"1,F jS"}}</p>
<p>{{ post.body }}</p>
{% endfor %}
{% endblock %}

创建视图函数,mysite/blog/views.py文件
from django.shortcuts import render
from blog.models import BlogsPost
from django.shortcuts import render_to_response

# Create your views here.
def Index(request):
blog_list = BlogsPost.objects.all()
return render_to_response('index.html',{'blog_list':blog_list})
在mysite/urls.py文件里添加配置blog的url:from django.conf.urls import url
from django.contrib import admin
from blog import views as blog_views

urlpatterns = [
url(r'^index',blog_views.Index,name='index'),
url(r'^admin/', admin.site.urls),
]

添加样式                                                                                                   



在mysite/blog/templates目录里创建base.html的模板

<html>
<style type="text/css">
body{color:#efd;background:#453;padding:0 5em;margin:0}
h1{padding:2em 1em;background:#675}
h2{color:#bf8;border-top:1px dotted #fff;margin-top:2em}
p{margin:1em 0}

95e2
</style>

<body>
<h1>skyblog</h1>
<h3>给岁月以文明 给时光以生命</h3>
{% block content %}
{% endblock %}
</body>
</html>


输入网址http://127.0.0.1:8000/index/刷新。一个粗陋的blog雏型就完成啦。要想丰满这个博客 go to https://docs.djangoproject.com/en/1.11/
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