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  • django临时

    搜类几个链接 

    http://blog.csdn.net/yima1006/article/details/7028924

    http://blog.sina.com.cn/s/blog_4a27780601012wnj.html

    http://www.cnblogs.com/cacique/archive/2012/09/30/2709143.html

    http://blog.csdn.net/kevin6216/article/details/6913005

    http://djangobook.py3k.cn/2.0/chapter01/

    cd /data/rootdir

    django-admin.py startproject mysite

    cd mysite && ./manage.py startapp blog

    激活

    vim mysite/settings.py

    INSTALLED_APPS = (
    'mysite.blog',

    in:/data/rootdir/mysite # vim mysite/settings.py
    jin:/data/rootdir/mysite # ./manage.py runserver
    Error: No module named blog

    修改为'blog',

    设计model
    vim blog/models.py

    设置数据库
    jin:/data/rootdir/mysite # vim mysite/settings.py

    DATABASES = {
    'default': {
    'ENGINE': ‘django.db.backends.mysql', # Add 'postgresql_psycopg2', 'mysql', 'sqlite3' or 'oracle'.
    'NAME': 'djangodb', # Or path to database file if using sqlite3.
    'USER': 'jin', # Not used with sqlite3.
    'PASSWORD': '12111', # Not used with sqlite3.
    'HOST': 'localhost', # Set to empty string for localhost. Not used with sqlite3.
    'PORT': '', # Set to empty string for default. Not used with sqlite3.
    }
    }

    验证

    jin:/data/rootdir/mysite # python manage.py validate
    Error: No module named blog

    运行 python manage.py shell 进入
    輸入下面這些命令來測試你的數據庫配置:

    >>> from django.db import connection
    >>> cursor = connection.cursor()

    Error: No module named blog

    这里INSTALLED_APPS = (
    'mysite.blog', 就不行

    改为blog

    ./manage.py syncdb

    、 设置自动admin应用
    jin:/data/rootdir/mysite # vim mysite/settings.py

    INSTALLED_APPS = (
    'django.contrib.auth',
    'django.contrib.admin',

    ./manage.py syncdb   

    设置好有,需要指定一个url访问

    jin:/data/rootdir/mysite # vim mysite/urls.py 

    from django.contrib import admin
    admin.autodiscover()
    url(r'^admin/', include(admin.site.urls)),
    这里不是字符串 是变量

    在设置admin的model
    jin:/data/rootdir/mysite # vim blog/models.py

    from django.db import models
    from django.contrib import admin

    # Create your models here.
    class BlogPost(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(BlogPost, BlogPostAdmin)

    创建表
    jin:/data/rootdir/mysite # ./manage.py syncdb
     ./manage.py runserver &

    建立Blog的公共部分
    从Django的角度来说,一个页面具有三个典型的组件:
    * 一个模板(template),模板负责将传递进来的信息显示出来(用一种类似Python字典的对象Context)。
    * 一个视图(view)函数,它负责获取要显示的信息,通常都是从数据库里取得。
    * 一个URL模式,它用来把收到的请求和你的视图函数匹配,有时也会向视图传递一些参数。
    1)创建模板

    jin:/data/rootdir/mysite # vim blog/templates/archive.html
    <!– filename = archive.html –>
    {% extends “base.html” %}
    {% block content %}
    {% for post in posts %}
    <h2>{{ post.title }}</h2>
    <p>{{ post.timestamp|date:”l, F jS” }}</p>
    <p>{{ post.body }}</p>
    {% endfor %}
    {% endblock %}
    jin:/data/rootdir/mysite # vim blog/templates/base.html
    <!– filename = base.html –>
    <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; marin-top: 2em }
    p { margin: lem 0 }
    </style>
    <body>
    <h1>blog for django –designed by libear</h1>
    {% block content %}
    {% endblock %}
    </body>
    </html>

    2)创建视图
    jin:/data/rootdir/mysite # vim blog/views.py

    # Create your views here.
    from django.template import loader, Context
    from django.http import HttpResponse
    from mysite.blog.models import BlogPost

    def archive(request):
    posts = BlogPost.objects.all()
    t = loader.get_template('archive.html')
    c = Context({ 'posts': posts })
    return HttpResponse(t.render(c))


    每个Django视图函数都将django.http.HttpRequest对象作为它的第一个参数,每个Django视图函数都会返回一个django.http.HttpResponse对象。

    3)创建一个URL模式

    jin:/data/rootdir/mysite # vim mysite/urls.py
    增加语句:
    url(r'^blog/', include(mysite.blog.urls)),

    在blog根目录下创建urls.py:
    jin:/data/rootdir/mysite # vim blog/urls.py
    # filename = urls.py
    from django.conf.urls.defaults import *
    from mysite.blog.views import archive

    urlpatterns = patterns('',
    url(r'^$', archive), # archive is ‘mysite.blog.views.archive’
    )

    访问报错
    Exception Value:
    name 'mysite' is not defined

    jin:/data/rootdir/mysite # vim mysite/urls.py

    url(r'^blog/', include(blog.urls)),

    Exception Value:
    name 'blog' is not defined

    urlpatterns = patterns('',
    url(r'^blog/', include(mysite.blog.urls)),
    )

    vim mysite/settings.py修改

    'mysite.blog',

    挂类

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  • 原文地址:https://www.cnblogs.com/diege/p/2711669.html
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