python运维和开发实战-安装和创建Django项目

﹏ヽ暗。殇╰゛Y 2022-11-27 10:24 156阅读 0赞

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## Django简介    ##

Django是由python编写的开放源代码的web应用框架，Django本身是基于MVC模型的，model（模型）+view（视图）+Controller（控制器）设计模式

一、MVC优势：

1.部署方便

2.可重复性高
    3.开发简单快捷
    4.维护成本低

5.低耦合

二、Python+Django是快速开发，部署网站的最佳方式

1.拥有强大的数据库

2.很强大的后台功能

3.优雅的网址

在windows下安装Django

在windows打开命令提示行cmd，通过pip安装Django

pip install Django==3.1

django默认会安装到python安装路径下的lib下的site-packages这个目录下

验证Django是否安装成功，在windows打开命令提示行cmd，输入python登陆到python交互式界面：

python
    >>> import django
    >>> django.get_version()
    '3.1'

看到上面显示版本3.1说明django安装成功。

在pycharm中安装Django

file ---> settings ----> project 解释器 ---> 点击+ ----> 输入Django ---> install(也可以选择specify指定版本)

通过startproject命令创建一个Django项目

前提是需要在windows上安装了Django，在windows打开cmd命令输入行，默认的目录是：

C:\Users\Lenovo>

在这个命令行输入如下命令：

django-admin  startproject hello

自动生成一个hello项目,执行之后会在windows的C:\Users\Lenovo>目录下生成一个hello项目，

hello这个项目下由如下组成：

hello
       __init__.py
       asgi.py
       settings.py
       urls.py
       wsgi.py
    manage.py

启动hello项目

cd hello
    python manage.py runserver 0.0.0.0:8000

执行上面命令之后显示如下：

Watching for file changes with StatReloader
    Performing system checks...
    System check identified no issues (0 silenced).
    You have 18 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.
    August 07, 2020 - 21:18:10
    Django version 3.1, using settings 'hello.settings'
    Starting development server at http://0.0.0.0:8000/
    Quit the server with CTRL-BREAK.

按Crtrl+c结束上面的命令，然后执行如下：

python manage.py migrate
    python manage.py runserver 0.0.0.0:8000

执行上面命令没有报错之后，在自己电脑浏览器输入localhost:8000，可以看到如下，则表示通过startproject自动

创建的django项目hello成功了：

The install worked successfully! Congratulations!

在当前这个脚本所在的路径的下，通过startproject自动生成一个hello的django web项目,在windows的cmd命令输入行，通过cd切换到当前脚本所在的路径下，执行如下：

django-admin  startproject hello

执行之后会在当前pycharm-django.py文件下生成一个hello文件夹，hello文件夹下还有如下组成：

hello
       __init__.py
       asgi.py
       settings.py
       urls.py
       wsgi.py
    manage.py

启动,也是在当前脚本所在的路径下，进入到hello目录下，执行如下命令：

python manage.py runserver 0.0.0.0:8000

访问

http://localhost:8000/

显示如下

welcome to my web~

## **python运维和开发实战-高级篇**    ##

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https://edu.51cto.com/sd/3a4c4

## **python运维和开发实战-基础篇**    ##

## **python运维和开发实战-基础篇课程链接如下：** ##

**https://edu.51cto.com/sd/893da**

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## 技术交流群    ##

学无止境，了解更多关于kubernetes/docker/devops/openstack/openshift/linux/IaaS/PaaS相关内容，想要获取更多资料和免费视频，可按如下方式进入技术交流群

**扫码加群????**

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## 微信公众号    ##

**                                    ** **长按指纹关注公众号????**

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[Linux]: http://mp.weixin.qq.com/s?__biz=MzU0NjEwMTg4Mg%3D%3D&chksm=fb638538cc140c2e581b8c673a9c529359042a2262ec112f8c3476c7408f25e04856f0b37bbd&idx=2&mid=2247485997&scene=21&sn=ac694beaf60cbf18d133eb6ebbc7a345#wechat_redirect
[kubernetes_EFK]: http://mp.weixin.qq.com/s?__biz=MzU0NjEwMTg4Mg%3D%3D&chksm=fb63851fcc140c09d17fe6e270524da6c3ec3c5f3969f6f4f61a54c54724168801d93b2cda9d&idx=1&mid=2247485962&scene=21&sn=87dfde054f2ff489a1ffd28dfe02a435#wechat_redirect
[prometheus operator_k8s_haproxy]: http://mp.weixin.qq.com/s?__biz=MzU0NjEwMTg4Mg%3D%3D&chksm=fb6386f0cc140fe6dea923cb07c2164db1c894c87d8c85d828aa269cdf4ae2d92eeb201adb67&idx=1&mid=2247485925&scene=21&sn=5ae9bc969963775e347c3a1f279d541c#wechat_redirect
[kubernetes ConfigMap]: http://mp.weixin.qq.com/s?__biz=MzU0NjEwMTg4Mg%3D%3D&chksm=fb63853acc140c2ca1dc3ca813b133ca7158c34df5cfe59cebf7621851ead91490eaabc74a1b&idx=1&mid=2247485999&scene=21&sn=f6b03745426149e498a8c7065b060e24#wechat_redirect
[format_png]: /images/20221124/759ce4ec2e5e47e5a0c7702eba9233d2.png
[format_png 1]: /images/20221124/0bd5faa553b84b05810eecbad809e3b6.png