20170901 基于wsgi的web框架二

from wsgiref.simple_server import make_server

import time

def f1(environ):

    return [b"<h1>hello book</h1>"]

def f2(environ):

    return [b"<h1>web</h1>"]

def default(environ):

    return [b"<h1>hello world</h1>"]

def login(environ):

    return [b‘<h1>hello , login!</h>‘]

def current_time(environ):

    f = open("current_time.html", "rb")

    data = f.read()

    cur_time = time.ctime(time.time())

    data = str(data, "utf8").replace("!cur_time!", str(cur_time))

    return [data.encode("utf8")]

def routers():

    urlpatterns = {

        (‘/current_time‘, current_time),

        (‘/book‘, f1),

        (‘/web‘, f2),

        (‘/login‘, login),

    }

    return urlpatterns

def application(environ, start_response):

    start_response(‘200 OK‘, [(‘Content-Type‘, ‘text/html‘)])

    path = environ["PATH_INFO"]  # path==‘/book‘

    urlpatterns = routers()

    func = None

    for item in urlpatterns:

        if item[0] == path:

            func = item[1]

            break

    if func:

        return func(environ)

# 封装了socket对象以及准备过程(bind, listen)

httpd = make_server(‘‘, 8080, application)

print(‘Serving HTTP on port 8080...‘)

# 开始监听HTTP请求:

httpd.serve_forever()