django

#!/usr/bin/env python
#encoding: utf-8
#@2017-03-30
"""最简单的web框架"""
 
import socket

def handle_request(client):
    """应用程序，web开发者自定义部分"""
    buf = client.recv(1024)
    client.send(‘HTTP/1.1 200 OK\1\n\r\n‘)
    client.send("Hello, world!")
    
def server():
    """服务端程序，web开发者共用部分
    本质：对socket进行封装"""
    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    sock.bind((‘0.0.0.0‘, 8080))
    sock.listen(5)
    
    while True:
        connection, address = sock.accept()
        handle_request(connection) # 阻塞
        connection.close()

if __name__ == ‘__main__‘:
    server()

#!/usr/bin/env python
#coding:utf-8

# 封装后的服务程序
from wsgiref.simple_server import make_server

def RunServer(environ, start_response):
    start_response(‘200 OK‘, [(‘Content-Type‘, ‘text/html‘)])
    return ‘Hello, world!‘

if __name__ == ‘__main__‘:
    httpd = make_server(‘0.0.0.0‘, 8000, RunServer)
    print "Serving HTTP on port 8000..."
    httpd.serve_forever()

#!/usr/bin/env python
#coding:utf-8

# 封装后的服务程序
from wsgiref.simple_server import make_server
from urls import url

def RunServer(environ, start_response):
    start_response(‘200 OK‘, [(‘Content-Type‘, ‘text/html‘)])
    # 获取用户URL
    user_url = environ[‘PATH_INFO‘]
    
    # 根据URL不同返回不同的结果
    for item in url:
        if item[0] == user_url:
            return item[1]()
    else:
        return ‘<h1>404 not found</h1>‘

if __name__ == ‘__main__‘:
    httpd = make_server(‘0.0.0.0‘, 8000, RunServer)
    print "Serving HTTP on port 8000..."
    httpd.serve_forever()

#!/usr/bin/env python
#coding:utf-8

def index():
    return ‘index‘

def login():
    return ‘login‘

def logout():
    return ‘logout‘

url = (
    (‘/index/‘, index),
    (‘/login/‘, login),
    (‘/logout/‘, logout),
)

#encoding: utf-8
from views import *

"""指定URL到处理函数的映射"""
url = (
    (‘/index/‘, index),
    (‘/login/‘, login),
    (‘/logout/‘, logout),
)