wsgi简单web

简单的wsgi web

1.server.py


from wsgiref.simple_server import make_server
import time

def f1(request):
    return [b'<h1>hello Book!</h1>']

def f2(request):
    return [b'<h1>hello web!</h1>']

def current_time(request):
    # 当前时间
    cur_time = time.ctime(time.time())
    f = open("current_time.html",'rb')
    data = f.read()

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

    return [data.encode("utf8")]

def routers():
    urlpatterns = (
        ('/book', f1),
        ('/web', f2),
        ('/web2', f2),
        ('/current_time', current_time),
    )
    return urlpatterns

def application(environ, start_response):
    # 通过environ封装了所有请求的信息dict对象
    # print('environ',environ)
    # print('environ',environ['PATH_INFO'])  #访问127.0.0.1:8000/test --> 打印/test
    start_response('200 OK', [('Content-Type', 'text/html')])
    path = environ['PATH_INFO']   #path="/web"
    urlpatterns = routers()  #urlpatterns元组
    func = None
    for item in urlpatterns:   #第一次item为('/book', f1)
        if item[0] == path:
            func = item[1]   #item[1]对应函数名
            break
    if func:
        return func(environ)
    else:
        return [b"<h1>404</h1>"]



    # if path == "/book":
    #     return f1(environ)
    # elif path == "/web":
    #     return f2(environ)
    # else:
    #     return [b"<h1>404</h1>"]

    # start_response可以很方便的设置响应头
    # start_response('200 OK', [('Content-Type','text/html')])
    # return [b'<h1>hello web!</h1>']

#封装socket对象和准备过程（socket，bind，listen）
httpd = make_server('', 8000, application)

print('Serving Http on port 8000...')

#开始监听HTTP请求
httpd.serve_forever()

2.current_time.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<h1>current_time: !current_time!</h1>

</body>
</html>
posted @ 2021-09-09 23:33  蜗牛请快快跑  阅读(27)  评论(0)    收藏  举报