tornado
by iamjing66
Tornado
first time tornado
第一次接触tornado，仿照django的登录验证的demo做了tornado版的demo
first tornado demo
main.py
import tornado.httpserver
import tornado.ioloop
from tornado.options import define, options
from tornado.web import Application, RequestHandler
import json ,time ,datetime
import pymysql
define('port', type=int, default=8000, multiple=False)
# parse_config_file('config')
def conn_m():
conn = pymysql.connect(host='192.168.0.63', port=3306, user='root', passwd='123456', db='t_test')
cursor = conn.cursor()
return cursor,conn
class IndexHandler(RequestHandler):
def get(self, *args, **kwargs):
msg = self.get_cookie("msg")
print(msg)
if msg == "login":
html = '''
<head>
<title>login</title>
</head>
<h2>login</h2>
<form method=post action=/login enctype=multipart/form-data>
<p>
用户名：<input type=text name=uname>
</p>
<p>
密码： <input type=password name=upwd>
</p>
<p>
<input type=submit value=提交>
</p>
</form>
'''
self.write(html)
elif msg == "false":
self.write('wrong!')
elif msg == "relogin":
self.write("relogin!")
def post(self, *args, **kwargs):
pass
class JumpHandler(RequestHandler):
def get(self, *args, **kwargs):
msg = self.get_cookie("msg")
self.render("./templates/ppp.html",now_time=(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")),msg = msg)
def post(self, *args, **kwargs):
pass
class LoginHandler(RequestHandler):
def get(self, *args, **kwargs):
pass
def post(self, *args, **kwargs):
cursor,_ = conn_m()
uname = self.get_arguments('uname')[0]
upwd = self.get_arguments('upwd')[0]
self.set_cookie(name='uname',value=uname,expires=time.time()+60)
self.set_cookie(name='upwd',value=upwd,expires=time.time()+60)
if (uname and upwd):
sql = "select * from user_list where uname='{}'".format(uname)
cursor.execute(sql)
userdata = cursor.fetchone()
cursor.close()
print(userdata)
if userdata:
if userdata[2] == upwd:
self.redirect('/python') # 页面跳转
else:
self.set_cookie(name='msg',value='false',expires=time.time()+60)
self.redirect('/register')
else:
self.set_cookie(name='msg',value='false',expires=time.time()+60)
self.redirect('/register')
else:
self.set_cookie(name='msg',value='false',expires=time.time()+60)
self.redirect('/index')
class PythonHandler(RequestHandler):
def get(self, *args, **kwargs):
uname = self.get_cookie("uname")
upwd = self.get_cookie("upwd")
if uname:
self.render("./templates/ttt.html",uname = uname, upwd = upwd)
else:
self.set_cookie(name='msg',value='relogin',expires=time.time()+60)
self.redirect('/index')
def post(self, *args, **kwargs):
pass
class RegisterHandler(RequestHandler):
def get(self, *args, **kwargs):
html = '''
<head>
<title>Register</title>
</head>
<h2>Register</h2>
<form method=post action=/regist enctype=multipart/form-data>
<p>
用户名：<input type=text name=uname>
</p>
<p>
密码： <input type=password name=upwd>
</p>
<p>
<input type=submit value=提交>
</p>
</form>
'''
self.write(html)
class RegistHandler(RequestHandler):
def get(self, *args, **kwargs):
pass
def post(self, *args, **kwargs):
cursor,conn = conn_m()
uname = self.get_arguments('uname')[0]
upwd = self.get_arguments('upwd')[0]
if (uname and upwd):
sql = "select * from user_list where uname='{}';".format(uname)
cursor.execute(sql)
userdata = cursor.fetchall()
print("r",userdata)
if not userdata:
sql = "insert into user_list (uname,upwd) values('{}','{}');".format(uname,upwd)
cursor.execute(sql)
conn.commit()
cursor.close()
self.set_cookie(name='msg',value='login',expires=time.time()+60)
self.redirect('/index')
else:
self.set_cookie(name='msg',value='false',expires=time.time()+60)
self.redirect('/index')
else:
self.set_cookie(name='msg',value='false',expires=time.time()+60)
self.redirect('/index')
if __name__ == "__main__":
options.parse_command_line()
settings = {
"template_path":"./templates",
}
url_list = [('/', JumpHandler),
('/index', IndexHandler),
('/login', LoginHandler),
('/register', RegisterHandler),
('/regist', RegistHandler),
('/python', PythonHandler)]
app = Application(url_list,debug=True)
http_server = tornado.httpserver.HTTPServer(app)
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()