from google.appengine.ext import db
from google.appengine.ext import webapp
from google.appengine.api import users
from google.appengine.ext.webapp.util import run_wsgi_app
from google.appengine.ext.webapp import template
import os,datetime
class data(db.Model):
id=db.IntegerProperty(default=0)
title=db.StringProperty()
author=db.UserProperty()
content=db.StringProperty(multiline=True)
create_time=db.DateTimeProperty()
class mainpage(webapp.RequestHandler):
def get(self):
article=data.all().order('-create_time').fetch(10)
user=users.get_current_user()
if user:
url=users.create_logout_url('/')
dis="welcome %s <a href=%s >logout</a>" %(user,url)
else:
url=users.create_login_url('/')
dis="<a href=%s >login</a>" % url
values={'article':article,'dis':dis,'user':user}
self.response.out.write(template.render('index.html',values))
class add_article(webapp.RequestHandler):
def post(self):
tem=data()
title=self.request.get('title')
content=self.request.get('content')
author=users.get_current_user()
if title and content and author:
tem.id=tem.all().count()+1
tem.title=title
tem.author=author
tem.content=content
tem.create_time=datetime.datetime.now()
tem.put()
self.response.out.write('save succeful !!!<a href="/">home</a>')
else:
self.response.out.write('something error')
class to_add(webapp.RequestHandler):
def get(self):
user=users.get_current_user()
self.response.out.write(template.render('add.html',{'user':user}))
class article_manage(webapp.RequestHandler):
def get(self):
user=users.get_current_user()
articles=data.all().order('-create_time').fetch(10)
value={'user':user,'articles':articles}
self.response.out.write(template.render('manage.html',value))
class detail(webapp.RequestHandler):
def get(self,a):
dd=int(a)
tem=db.GqlQuery('select * from data where id=:1' ,dd)[0]
user=users.get_current_user()
value={'tem':tem,'user':user}
self.response.out.write(template.render('detail.html',value))
class del_article(webapp.RequestHandler):
def get(self,a):
dd=int(a)
tem=db.GqlQuery('select * from data where id=:1' ,dd)[0]
user=users.get_current_user()
if user and tem:
tem.delete()
self.redirect('/manage/')
class edit_article(webapp.RequestHandler):
def get(self,a):
dd=int(a)
tem=db.GqlQuery('select * from data where id=:1' ,dd)[0]
user=users.get_current_user()
value={'tem':tem,'user':user}
self.response.out.write(template.render('edit.html',value))
class save_article(webapp.RequestHandler):
def post(self,a):
dd=int(a)
tem=db.GqlQuery('select * from data where id=:1' ,dd)[0]
title=self.request.get('title')
content=self.request.get('content')
author=users.get_current_user()
if title and content and author:
tem.title=title
tem.author=author
tem.content=content
tem.create_time=datetime.datetime.now()
tem.put()
self.response.out.write('save succeful !!!<a href="/">home</a>')
else:
self.response.out.write('something error')
application = webapp.WSGIApplication(
[('/', mainpage),
('/add/',to_add),
('/sign/',add_article),
('/manage/',article_manage),
('/n%3D(.*)',detail),
('/manage/del/n%3D(.*)',del_article),
('/manage/edit/n%3D(.*)',edit_article),
('/manage/save/n%3D(.*)',save_article),
],
debug=True)
def main():
run_wsgi_app(application)
if __name__ == "__main__":
main()
index.html:
<style>a{text-decoration:none}</style>
{{ dis }}
{% if user %}
<a href='/add/' > 写文章</a>
<a href='/manage/'> 管理文章</a>
{% endif %}
<br>
<br>
{% if article %}
{% for i in article %}
<div>title:{{i.title}}</div>
<div>author:{{i.author}}</div>
<div>create time: {{ i.create_time }}</div>
<pre>{{i.content}}</pre>
{% endfor %}
{% else %}
暂时没有文章
{% endif %}
manage.html:
<style>a{text-decoration:none}</style>
{{ n}}
{% if user %}
welcome {{user}}
<a href='/' >主页</a>
<a href='/add/' > 写文章</a>
<a href='/manage/'> 管理文章</a>
<br>
{% if articles %}
{% for i in articles %}
<a href="/n={{ i.id }}" >{{ i.title }}</a>
<a href="/manage/del/n={{ i.id }}">删除</a>
<a href="/manage/edit/n={{ i.id }}">修改</a>
<br>
{% endfor %}
{% else %}
暂时没有文章<br>
{% endif %}
{% else %}
please login first !!!<a href='/'>home</a>
{% endif %}
detail.html:
<style>a{text-decoration:none}</style>
{{ n }}
{% if user %}
<div>welcome {{user}}</div>
<a href='/'> 主页</a>
<a href='/add/' > 写新文章</a>
<a href='/manage/'> 管理文章</a>
{% endif %}
{% if tem %}
<div>title:{{ tem.title }}</div>
<div>author:{{ tem.author }}</div>
<div>create_time{{ tem.create_time }}</div>
<pre>{{ tem.content }}</pre>
{% else %}
没有这样的文章
{% endif %}
edit.html:
<style>a{text-decoration:none}</style>
{%if user %}
welcome {{ user }}
<a href='/'>主页</a><br>
<form action='/manage/save/n={{ tem.id }}' method='post'>
<div>title:<input type='text' name='title' value="{{ tem.title }}"></div>
<div><textarea name='content' rows="30" cols="100" >{{ tem.content }}</textarea></div>
<input type='submit' value='edit article'>
</form>
{% else %}
you have to login to write aritle <a href='/'>home</a>
{% endif %}
add.html:
{%if user %}
welcome {{ user }} <a href='/'>主页</a><br>
<form action='/sign/' method='post'>
<div>title:<input type='text' name='title'></div>
<div><textarea name='content' rows="30" cols="100" ></textarea></div>
<input type='submit' value='add article'>
</form>
{% else %}
you have to login to write aritle <a href='/'>home</a>
{% endif %}
app.yaml:
application: oncyberspace
version: 1
runtime: python
api_version: 1
handlers:
- url: .*
script: cms.py
写了一个小小的脚本，用于增加，删除，修改文章。暂时只有这些功能：http://oncyberspace.appspot.com
