web框架定义

from wsgiref.simple_server import make_server

def new():
    return 'new'

def RunServer(environ,start_response):
    start_response('200 OK',[('Conten-Type','text/html')])
    url = environ['PATH_INFO']
    if url == '/new':
        ret = new()
    else:
        ret = '404'
    return ret


if __name__ == '__main__':
    httpd = make_server('',8000,RunServer)
    httpd.serve_forever()　

Models 数据相关
 Views 模版html文件 
Controllers 业务逻辑 
MVC-框架 

Models 数据相关 
Templates 模版html文件 
Views 业务逻辑 
MTV--框架