webpy demo核心代码

# -*-encoding:utf-8 -*-

"""Basic Blog using webpy 0.3 """

import web
import config
import controllers

 

app= web.application(config.urls,globals())

if __name__ =='__main__':
    app.run()
   


class Index:
    
    def GET(self):        
        web.header('Content-Type','text/html;charset=UTF-8')
        web.setcookie("age",30)
        
        posts=model.get_posts()         
        return render.index(posts,web.cookies())
    
class View:
    
    def GET(self,id):
        """ View sing post """
        post= model.get_post(int(id))
        print  datetime.datetime.strptime('2009-9-9 16:56:58','%Y-%m-%d %H:%M:%S')
        print  datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
        return render.view(post)
    
class New:
    #vtitle = web.form.regex(r".{3,20}$", '标题长度3到20位字符') 
    form=web.form.Form(
        web.form.Textbox('title',web.form.notnull,
                         size=30, 
                         description=u"标题"),
        web.form.Textarea('content',web.form.notnull,
                          rows=30,cols=80,
                          description=u"内容"),
        web.form.Button('submit',type="submit",html=u'提交'),
        
        
        )
    
    
    def GET(self):
        form= self.form()
        
        return render.new(form)
    
    def POST(self):
        form = self.form()
        if not form.validates():
            return render.new(form)
        model.new_post(form.d.title,form.d.content)
        raise web.seeother('/')
    
class Delete:
        def POST(self,id):
            model.del_post(int(id))
            raise web.seeother('/')
    
class Edit:
    
    def GET(self,id):
        post = model.get_post(int(id))
        form= New.form()
        form.fill(post)
        return render.edit(post,form)
    
    def POST(self,id):
        form=New.form()
        post = model.get_post(int(id))
        if not form.validates():
            return render.edit(post,form)
        model.update_post(int(id),form.d.title,form.d.content)
        raise web.seeother('/')
    
def notfound():   
    return web.notfound("Sorry, the page you were looking for was not found.") 

 


    
        
        

 

model.py

import web,datetime
db= web.database(dbn='sqlite',db='blog.db')

def get_posts():
    return db.select('entries',order='id desc')

def get_post(id):
    try:
        return db.select('entries',where='id=$id',vars=locals())[0]     
    except IndexError:
        return None

def new_post(title,text):
    
    db.insert('entries',title=title,content=text,post_on=datetime.datetime.utcnow())
    
def del_post(id):
    db.delete('entries',where="id=$id",vars=locals())
    
def update_post(id,title,text):
    db.update('entries',where="id=$id",vars=locals(),
              title=title,content=text)