用webpy搭建简易博客失败,求大神跑跑我的代码能指教我!!!! -《狗嗨默示录》-
blog.py
#!/usr/bin/env python # -*- coding:utf-8 -*- #载入框架 import web #载入数据库操作model(稍后创建) import model #URL映射 urls = ( '/','Index', '/view/(/d+)','View', '/new','New', '/delete/(/d+)','Delete', '/edit/(/d+)','Edit', '/login','Login', '/logout','Logout', ) app = web.application(urls,globals()) #模板公共变量 t_globals = { 'datestr':web.datestr, 'cookie':web.cookies, } #指定模板目录,并设定公共模板 render = web.template.render('templates',base='base',globals=t_globals) #创建登录表单 login = web.form.Form( web.form.Textbox('username'), web.form.Password('password'), web.form.Button('login') ) #首页类 class Index: def GET(self): login_form = login() posts = model.get_posts() return render.index(posts,login_form) def POST(self): login_form = login() if login_form.validates(): if login_form.d.username == 'admin' and login_form.d.password == 'admin': web.setcookie('username',login_form.d.username) raise web.seeother('/') #查看文章类 class View: def GET(self,id): post = model.get_post(int(id)) return render.view(post) #新建文章类 class New: form = web.form.Form( web.form.Textbox('title',web.form.notnull,size=30,description='Post title'), web.form.Textarea('content',web.form.notnull,rows=30,cols=80,description='Post content'), web.form.Button('Post entry'), ) 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('/') #删除文章类 class Delete: def POST(self,id): model.del_post(int(id)) raise web.seeother('/') #编辑文章类 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('/') #退出登录 class Logout: def GET(self): web.setcookie('username','',expires=-1) raise web.seeother('/') #定义404错误显示内容 def notfound(): return web.notfound("Sorry,the page you were looking for was not found!") app.notfound = notfound #运行 if __name__ == '__main__': app.run() print(web.debug())
model.py
#!/usr/bin/env python # -*- coding:UTF-8 -*- import web import datetime #数据库连接 db = web.database(dbn='mysql',user='root',pw='6666',db='webpy') #获取所有文章 def get_posts(): return db.select('entries',order='id DESC') #获取文章内容 def get_post(id): try: return db.select('entries',where='id=$id',vars=locals())[0] except IndexError: return None #新建文章 def new_post(title,text): db.insert( 'entries', title = title, content = text, posted_on = datetime.datetime.utcnow() ) #删除文章 def del_post(id): db.delete('entries',where='id=$id',vars=locals()) #修改文章 def update_post(id,title,text): db.update( 'entries', where='id=$id', vars=locals(), title=title, content=text )
放于templates下的模板文件:
base.html
<!-- base.html --> <!DOCTYPE html> $def with (page) <html lang="en"> <head> <meta charset="UTF-8"> <title>My Blog</title> <style> #menu{ width:200px; float:right; } </style> </head> <body> <ul id="menu"> <li> <a href="/">Home</a> </li> $if cookie().get('username'): <li> <a href="/new">New Post</a> </li> </ul> $:page </body> </html>
edit.html
<!-- edit.html --> $def with (post,form) <h1>Edit $form.d.title</h1> <form action="" method="post"> $:form.render() </form> <h2>Delete post</h2> <form action="/delete/$post.id" method="post"> <input type="submit" value="Delete post" /> </form>
index.html
<!-- index.html --> $def with (posts, login_form) <h1>Blog posts</h1> $if not cookie().get('username'): <form action="" method="post"> $:login_form.render()</form> $else: Welcome $cookie().get('username')! <a href="/logout" mce_href="/logout">Logout</a> <ul> $for post in posts: <li> <a href="/view/$post.id" mce_href="/view/$post.id">$post.title</a> on $post.posted_on $if cookie().get('username'): <a href="/edit/$post.id" mce_href="/edit/$post.id">Edit</a> <a href="/delete/$post.id" mce_href="/delete/$post.id">Del</a> </li> </ul>
new.html
<!-- new.html --> $def with (form) <h1>New Blog Post</h1> <form action="" method="post"> $:form.render() </form>
view.html
<!-- view.html --> $def with (post) <h1>$post.title</h1> $post.posted_on<br /> $post.content