1 import tornado.ioloop
 2 import tornado.web
 3 from settings import SETTINGS
 4 from views import login
 5
 6
 7 application = tornado.web.Application([
 8     (r"/login", login.LoginHandler),
 9     (r"/index", login.IndexHandler),
10 ],**SETTINGS
11 )
12
13
14 if __name__ == "__main__":
15     application.listen(8888)
16     tornado.ioloop.IOLoop.instance().start()

application = tornado.web.Application([(r"/login", login.LoginHandler,{要传给视图的函数},反向生成urlname),(r"/index", login.IndexHandler),
],**SETTINGS
)

class LoginHandler(RequestHandler):def get(self, *args, **kwargs):self.render("login.html",msg="")self的方法

self.application.reverse_url("name","arg1")
#反向生成url

self.write()self.render("login.html",msg="用户名或密码错误")self.redirect()

self.get_argument()    #取get和post里的数据

self.get_query_argument()    #取get里的数据

self.get_body_argument()    #取post里的数据

#####cookie#######self.set_cookie()self.set_secure_cookie()     配置里"cookie_sercet":"salt..."

settings = {"template_path":"template",        #模板路径"static_path":"static",                  #静态文件路径"static_url_prefix":"/static/"
}

{%raw xsrf_form_html()%}配置里"xsrf_cookies":True

{%for item in user_list%}{{item["user"]}}
{%end%}#######引入css、js文件########
<link rel="stylesheet" href="{{ static_url('common.css') }}">

from flask import Flask
app = Flask(__name__)@app.route('/')
def hello_world():return 'Hello World!'if __name__ == '__main__':app.run()

app.secret_key = 'some_secret'
#加密cookie设置

app.wsgi_app = MiddleWare(app.wsgi_app)
#指向新定义的类class MiddleWare:def __init__(self,wsgi_app):self.wsgi_app = wsgi_appdef __call__(self, *args, **kwargs):return self.wsgi_app(*args, **kwargs)
#自定义的类，在传给视图函数前执行

1、装饰器
@app.route('/user/<username>')DEFAULT_CONVERTERS = {'default':          UnicodeConverter,'string':           UnicodeConverter,'any':              AnyConverter,'path':             PathConverter,'int':              IntegerConverter,'float':            FloatConverter,'uuid':             UUIDConverter,
}2、app.add_url_rule("/index",view_func=func1,endpoint="reverse_name",method=[]
)

蓝图路由分发蓝图URL前缀：xxx = Blueprint('account', __name__,url_prefix='/xxx'
)蓝图子域名：xxx = Blueprint('account', __name__,subdomain='admin'
)
# 前提需要给配置SERVER_NAME：app.config['SERVER_NAME'] = 'baidu.com'

设置：session['username'] ＝ 'xxx'删除：session.pop('username', None)

app.secret_key = 'A0Zr98j/3yX R~XHH!jmN]LWX/,?RT'

message是一个基于Session实现的用于保存数据的集合，其特点是：使用一次就删除。

请求相关信息request.methodrequest.argsrequest.formrequest.valuesrequest.cookiesrequest.headersrequest.pathrequest.full_pathrequest.script_rootrequest.urlrequest.base_urlrequest.url_rootrequest.host_urlrequest.hostrequest.filesobj = request.files['the_file_name']obj.save('/var/www/uploads/'+secure_filename(f.filename))响应相关信息return "字符串"return render_template('html模板路径',**{})return redirect('/index.html')response = make_response(render_template('index.html'))# response是flask.wrappers.Response类型# response.delete_cookie('key')# response.set_cookie('key', 'value')# response.headers['X-Something'] = 'A value'# return response

app.config.from_pyfile("settings.py")