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django搭建一个简单的web

2018-01-23 22:14 393 查看

1.安装完python和django后，在想进工程的路径下用一下命令创建工程：

bash-3.2# django-admin.py startproject EasyWeb
2.输入以下命令，打开浏览器输入http://127.0.0.1:8000即可看到django页面了

bash-3.2# ls

EasyWeb manage.py

bash-3.2# python3 manage.py runserver

Performing system checks...

System check identified no issues (0 silenced).

You have 14 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.

January 23, 2018 - 13:41:29

Django version 2.1, using settings 'EasyWeb.settings'

Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.
3.然后输入以下命令创建工程app:

bash-3.2# django-admin.py startapp mainsite

bash-3.2# ls

EasyWeb db.sqlite3
mainsite manage.py

bash-3.2# cd mainsite

bash-3.2# ls

__init__.py apps.py
models.py views.py

admin.py migrations
tests.py
4.去settings.py的INSTALLED_APPS添加上app

bash-3.2# ls

__init__.py __pycache__
settings.py urls.py
wsgi.py

bash-3.2# vi settings.py

INSTALLED_APPS = [

'django.contrib.admin',

'django.contrib.auth',

'django.contrib.contenttypes',

'django.contrib.sessions',

'django.contrib.messages',

'django.contrib.staticfiles',

'mainsite',

]
5.在settings.py的DIRS添加路径

TEMPLATES = [

{

'BACKEND': 'django.template.backends.django.DjangoTemplates',

'DIRS': [os.path.join(BASE_DIR, 'templates')],
6.创建templates以及index.html

bash-3.2# ls

EasyWeb db.sqlite3
mainsite manage.py

bash-3.2# mkdir templates

bash-3.2# cd templates

bash-3.2# vi index.html

bash-3.2# cd ..

bash-3.2# ls

EasyWeb db.sqlite3
mainsite manage.py
templates

bash-3.2#

<!DOCTYPE html>

<html>

<head>

<meta charset='utf-8'/>

</head>

<body>

<h1>welcome to my web</h1>

<h1>now time: {{ now }}</h1>

</body>

</html>
7.去views.py中关联上index.html：

from django.shortcuts import render

from django.template.loader import get_template

from django.http import HttpResponse

from datetime import datetime

# Create your views here.

def homepage(request):

template = get_template('index.html')

now = datetime.now()

html = template.render(locals())

return HttpResponse(html)
8.打开urls.py导入views.py的homepage：

bash-3.2# cd easyweb

bash-3.2# ls

__init__.py __pycache__
settings.py urls.py
wsgi.py

bash-3.2# vi urls.py

from django.contrib import admin

from django.conf.urls import include, url

from mainsite.views import homepage

urlpatterns = [

url(r'^$', homepage),

]
9.再次运行

python3 manage.py run server
打开127.0.0.1:8000即可看到如下：

welcome to my web

now time: Jan. 23, 2018, 2:11 p.m.

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标签： python Django

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