SDDE-294
```
### Django 基本架构
```
mysite
├── manage.py
└── mysite
├── __init__.py
├── settings.py
├── urls.py
└── wsgi.py
```
### `Model`
```python
from django.db import models
class Article(models.Model):
title = models.CharField(max_length=200)
content = models.TextField()
def __str__(self):
return self.title
```
### 创建数据
```python
article = Article.objects.create(title="title", content="content")
```
### 读取数据
```python
Article.objects.get(id=1)
Article.objects.filter(title="title")
```
### 更新数据
```python
Article.objects.filter(id=1).set(title="new title")
```
### 删除数据
```python
Article.objects.filter(id=1).delete()
```
### `View`
```python
from django.http import HttpResponse
def index(request):
return HttpResponse("这是一个首页")
```
### 请求方法
```python
from django.http import HttpResponse
from django.http import HttpResponseRedirect
def index(request):
if request.method == "GET":
return HttpResponse("这是一个GET请求")
else:
return HttpResponse("这是一个POST请求")
```
### `reorder` all Django apps
### `Settings` settings.py
```python
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.stumps',
'django.contrib.migrations',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.static',
'Blog with me',
]
```
### `URL`
```python
from django.urls import path
urlpatterns = [
path('', view.index, name="index"),
path('login', view.login, name="login"),
path('logout', view.logout, name="logout"),
path('register', view.register, name="register"),
path('email', view.email, name="email"),
path('reminder', view.reminder, name="reminder"),
path('daily', view.daily, name="daily"),
path('weekly', view.weekly, name="weekly')
]
```
### `path` url path
```python
from django.urls import path
from django.contrib import admin
urlpatterns = [
path("admin/", admin.site.urls)
]
```
### `URL` url path
```python
from django.urls import path
from django.contrib import admin
urlpatterns = [
path("admin/", admin.site.urls)
]
```
### `media` request.headers
```python
from django.http import HttpResponse
from django.http import HttpResponseRedirect
def index(request):
if request.method == "GET":
return HttpResponse("This is a GET request")
else:
return HttpResponse("This is a POST request")
```
### `CSS`
```python
from django.http import HttpResponse
from django.http import HttpResponseRedirect
def index(request):
if request.method == "GET":
return HttpResponse("This is a GET request")
else:
return
HTTPResponse("This is a POST request")
```
### `reorder` all Django apps
```python
from django.http import HttpResponse
from django.http import HttpResponseRedirect
def index(request):
if request.method == "GET":
return HttpResponse("This is a GET request")
else:
return HttpResponse("This is a POST request")
2012年10月5日
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