Django入门
Posted 侠之大者
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创建项目HelloWord
命令简介
kamil@ubuntu:~/opt$ django-admin.py Type \'django-admin.py help <subcommand>\' for help on a specific subcommand. Available subcommands: [django] check compilemessages createcachetable dbshell diffsettings dumpdata flush inspectdb loaddata makemessages makemigrations migrate runserver sendtestemail shell showmigrations sqlflush sqlmigrate sqlsequencereset squashmigrations startapp startproject test testserver Note that only Django core commands are listed as settings are not properly configured (error: Requested setting INSTALLED_APPS, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing settings.). kamil@ubuntu:~/opt$
创建项目:
kamil@ubuntu:~/opt$ django-admin.py startproject HelloWord kamil@ubuntu:~/opt$ ls HelloWord kamil@ubuntu:~/opt$ sudo apt-get install tree Reading package lists... Done Building dependency tree Reading state information... Done The following NEW packages will be installed: tree 0 upgraded, 1 newly installed, 0 to remove and 12 not upgraded. Need to get 40.6 kB of archives. After this operation, 138 kB of additional disk space will be used. Get:1 http://us.archive.ubuntu.com/ubuntu xenial/universe amd64 tree amd64 1.7.0-3 [40.6 kB] Fetched 40.6 kB in 1s (39.2 kB/s) Selecting previously unselected package tree. (Reading database ... 207293 files and directories currently installed.) Preparing to unpack .../tree_1.7.0-3_amd64.deb ... Unpacking tree (1.7.0-3) ... Processing triggers for man-db (2.7.5-1) ... Setting up tree (1.7.0-3) ... kamil@ubuntu:~/opt$ tree . └── HelloWord ├── HelloWord │ ├── __init__.py │ ├── settings.py │ ├── urls.py │ └── wsgi.py └── manage.py 2 directories, 5 files kamil@ubuntu:~/opt$ cd HelloWord/ kamil@ubuntu:~/opt/HelloWord$ ls HelloWord manage.py kamil@ubuntu:~/opt/HelloWord$
文件介绍
1 在 helloword/ 根目录上级仅仅是一个容器项目。对于Django它的名字随意,可以将其重命名为任何你喜欢的。 2 manage.py: 一个命令行工具,可以让您以各种方式与Django项目进行交互。你可以阅读所有关于manage.py 在 django-admin和manage.py 的细节。 3 内部 helloword/目录是实际项目的Python包。它的名字是你需要使用导入里面的任何Python包的名称(例如helloword.urls)。 4 helloword/__init__.py: 一个空文件,该文件告诉Python这个目录应该作为一个Python包。 5 helloword/settings.py: 设置/配置这个Django项目。 Django的设置,会告诉你如何设置工作。 6 helloword/urls.py: 该 URL 声明这个Django项目; 类似Django网站的一个“表的内容”。 7 helloword/wsgi.py: 一个WSGI兼容Web服务器的入口点,以满足您的项目需要。
启动项目并测试
kamil@ubuntu:~/opt/HelloWord$ python3 manage.py runserver 0.0.0.0:8000 Performing system checks... System check identified no issues (0 silenced). You have 13 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): admin, auth, contenttypes, sessions. Run \'python manage.py migrate\' to apply them. May 27, 2016 - 01:15:40 Django version 1.10a1, using settings \'HelloWord.settings\' Starting development server at http://0.0.0.0:8000/ Quit the server with CONTROL-C. [27/May/2016 01:16:29] "GET / HTTP/1.1" 200 1767 [27/May/2016 01:16:43] "GET / HTTP/1.1" 200 1767 Not Found: /favicon.ico [27/May/2016 01:16:43] "GET /favicon.ico HTTP/1.1" 404 1940
连接测试:
视图和URL 设置
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