python tornado 搭建webServer

1.安装tornado，我用的windows环境
在tornado网站上下载tornado:
https://pypi.python.org/packages/source/t/tornado/tornado-4.2.tar.gz
解压tornado-4.2.tar.gz
在解压后的tornado-4.2文件夹中执行命令：
python setup.py install
完成安装。

2.官方学习文档
http://www.tornadoweb.org/en/stable/guide/intro.html
http://www.tornadoweb.cn/documentation

3.学习笔记
最基础的POST和GET的方法实现

# -*- coding: utf-8 -*-import tornado.ioloopimport tornado.webhtml = '''<form method="post" name="frm1" action="/login">    <label for="txt">用户名</label>    <input type="text" id="txtname" name="myname"><br/><br/>    <label for="txt">密码  </label>    <input type="text" id="txtpwd" name="mypwd"><br/><br/>    <input type="submit"></form>'''class BaseHandler(tornado.web.RequestHandler):    def get_current_user(self):        return self.get_secure_cookie("user")class MainHandler(BaseHandler):    def get(self):        if not self.current_user:            self.redirect("/login")            return        name = tornado.escape.xhtml_escape(self.current_user)        self.write("Hello, " + name)class LoginHandler(BaseHandler):    def get(self):        self.write(html)    def post(self):        self.set_secure_cookie("user", self.get_argument("myname"))        # self.write("POST LOGIN")        self.redirect("/")settings = dict(            # template_path=TEMPLATE_PATH,            # static_path=STATIC_PATH,            # cookie_secret=str(uuid.uuid1()),            cookie_secret="61oETzKXQAGaYdkL5gEmGeJJFuYh7EQnp2XdTP1o/Vo=",            login_url="/login",            # gzip=True,            # xheaders=True,            debug=True        )application = tornado.web.Application([    (r"/", MainHandler),    (r"/login", LoginHandler)], **settings)if __name__ == "__main__":    application.listen(8888)    tornado.ioloop.IOLoop.current().start()