`

动态的django项目

 
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models:
import os

os.environ['DJANGO_SETTINGS_MODULE'] = 'project.settings'
from django.db import models

# Create your models here
class Publisher(models.Model):
    name = models.CharField(max_length = 30)
    address = models.CharField(max_length = 50)
    city =  models.CharField(max_length = 60)
    state_province =models.CharField(max_length = 30)
    country =models.CharField(max_length = 50)
    website = models.URLField()

class Author(models.Model):
  first_name = models.CharField(max_length=30)
  last_name = models.CharField(max_length=40)
  email =models.EmailField()


class Book(models.Model):
  title = models.CharField(max_length=100)
  authors = models.ManyToManyField(Author)
  publisher =models.ForeignKey(Publisher)
  publication_date = models.DateField()


views:
import os

os.environ['DJANGO_SETTINGS_MODULE'] = 'mybook.settings'

from django.shortcuts import render_to_response
from django.http import HttpResponse
from books.models import *

def search_form(request):
    return render_to_response('search_form.html')
def search(request):

    if 'q' in request.GET and request.GET['q']:
        q = request.GET['q']
        books =Book.objects.filter(title=q)
        return  render_to_response('search_result.html',
                     {'books':books, 'query':q})
    else:
        return  render_to_response('search_form.html',
                        {'error':True})


urls:
import os

os.environ['DJANGO_SETTINGS_MODULE'] = 'mybook.settings'

from django.conf.urls import patterns, include, url

# Uncomment the next two lines to enable the admin:
from django.contrib import admin

from books.views import search_form
from books.views import search
admin.autodiscover()

urlpatterns = patterns('',
    # Examples:
    # url(r'^$', 'mybook.views.home', name='home'),
    # url(r'^mybook/', include('mybook.foo.urls')),

    # Uncomment the admin/doc line below to enable admin documentation:
    url(r'^admin/doc/', include('django.contrib.admindocs.urls')),

    # Uncomment the next line to enable the admin:
    url(r'^admin/', include(admin.site.urls)),
    (r'^search_form/$',search_form),
    (r'^search/$',search)
)

search_form:
<!DOCTYPE html>
<html>
<head >

    <title>Search</title>
</head>
<body>
     {%  if error %}
             <p style="color: red;"> please submit a search term</p>

     {% endif %}


     <form action="/search/" method="get">
         <input type="text" name="q">
         <input type="submit" name="Search">
     </form>
</body>
</html>


search_result:
<p>You searched for: <strong>{{ query }}</strong></p>
{% if books %}
    <p>Found {{ books|length }} book{{ books|pluralize }}</p>
    <ul>
        {% for book in books %}
        <li>{{ book.title }}</li>
        {% endfor %}
    </ul>
{%  else  %}
     <p>No books matched your search criterria</p>
{%  endif %}
.


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| Django小例子 – 模型数据的模板呈现
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