python自带静态web服务器搭建代码实现

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# coding:utf-8 from wsgiref.simple_server import make_server #导入simple_server模块      #视图函数 def home(*args):     return "home" def login(*args):     return "login" def project(*args):     return "project"   patterns = {"/":home,"/login":login,"/project":project}  #路由关系的字典   #定义一个application，遵循wsgi协议； def app(env, start_response):#服务器接收到的客户端请求都会存储在env中，再传入到app进行处理，处理后再返回     url = env.get("PATH_INFO") #从环境变量获取web端传来的url     params = env.get("QUERY_STRING") #从环境变量获取web端传入的参数     if (url is None) or (url not in patterns.keys()):         start_response("404 not found", [("Content-Type", "text/plain")])         return [b"page not found"]     start_response("200 ok",[("Content-Type", "text/plain")])     resp = patterns.get(url)     if resp is None:         #key在路由关系里，但是velue为none的情况处理         start_response("404 not found", [("Content-Type", "text/plain")])         return [b"page not found"]     return [resp(params).encode()] #执行视图函数       #实例化一个服务器设置ip为本机，端口为888，执行程序为上面的app server = make_server("", 5000, app) #开启一个服务器，默认0.5秒轮询，接收客户端请求 server.serve_forever()

 

启动：python simple_server.py