python的wiki 列子.

#coding=utf-8from newtest.wiki.models import WiKifrom django.template import loader, Contextfrom django.http import HttpResponse, HttpResponseRedirectfrom django.shortcuts import render_to_response def index(request, pagename=""): """显示正常页面，对页面的文字做特殊的链接处理""" if pagename: #查找是否已经存在页面 pages = WiKi.objects.filter(pagename=pagename) if pages: #存在则调用页面模板进行显示 return process('wiki/page.html', pages[0]) else: #不存在则进入编辑画面 return render_to_response('wiki/edit.html', {'pagename':pagename}) else: page = WiKi.objects.get(pagename='FrontPage') return process('wiki/page.html', page) def edit(request, pagename): """显示编辑存在页面""" page = WiKi.objects.get(pagename=pagename) return render_to_response('wiki/edit.html', {'pagename':pagename, 'content':page.content}) def save(request, pagename): """保存页面内容，老页面进行内容替换，新页面生成新记录""" content = request.POST['content'] pages = WiKi.objects.filter(pagename=pagename) if pages: pages[0].content = content pages[0].save() else: page = WiKi(pagename=pagename, content=content) page.save() return HttpResponseRedirect("/wiki/%s" % pagename) import re r = re.compile(r'/b(([A-Z]+[a-z]+){2,})/b')def process(template, page): """处理页面链接，并且将回车符转为""" t = loader.get_template(template) content = r.sub(r'<a href="/wiki//1" mce_href="wiki//1">/1</a>', page.content) #content=re.sub(r'/b(([A-Z]+[a-z]+){2,})/b',r'<a href="/wiki//1" mce_href="wiki//1">/1</a>',page.content) content = re.sub(r'[/r/n]+', '<br>', content) c = Context({'pagename':page.pagename, 'content':content},autoescape=False) return HttpResponse(t.render(c))

views.py

 

from django.conf.urls.defaults import *# Uncomment the next two lines to enable the admin:# from django.contrib import admin# admin.autodiscover()urlpatterns = patterns('', # Example: # (r'^newtest/', include('newtest.foo.urls')), (r'^$','newtest.helloword.index'), (r'^newtest/$','newtest.helloword.index'), (r'^add/$','newtest.add.index'), (r'^list/$','newtest.list.index'), (r'^csv/(?P<filename>/w+)/$','newtest.csv_test.output'), (r'^login/$','newtest.login.login'), (r'^logout/$','newtest.login.logout'), (r'^wiki/$', 'newtest.wiki.views.index'), (r'^wiki/(?P<pagename>/w+)/$', 'newtest.wiki.views.index'), (r'^wiki/(?P<pagename>/w+)/edit/$', 'newtest.wiki.views.edit'), (r'^wiki/(?P<pagename>/w+)/save/$', 'newtest.wiki.views.save'), #(r'^newtest/add/$','newtest.add.index'), # Uncomment the admin/doc line below and add 'django.contrib.admindocs' # to INSTALLED_APPS to enable admin documentation: # (r'^admin/doc/', include('django.contrib.admindocs.urls')), # Uncomment the next line to enable the admin: # (r'^admin/', include(admin.site.urls)),)

urls.py

 

<h2>编辑：{{ pagename }}</h2>
<form method="POST" action="/wiki/{{ pagename }}/save/">
<textarea name="content" rows="10" cols="50">
{{ content }}
</textarea><br />
<input type="submit" value="保存" />
</form>

edit.html

 

 <h2>{{ pagename|safe }}</h2>
<p>{{ content }} </p>
<hr />
<p>
<form method="POST" action='/wiki/{{ pagename }}/edit/'>
<input type="submit" value="编辑">
</form>
</p>

 

page.html