from flask import Flask,request,views

from functools import wraps

app = Flask(__name__)

#自定义登录装饰器

def login_required(func):

    @wraps(func)

    def wapper(*args,**kwargs):

        username = request.args.get('username')

        if username and username == 'xiaowu':

            return func(*args,**kwargs)

        else:

            return '请先登录'

    return wapper

@app.route('/')

def index():

    return '网站首页'

@app.route('/setting/')

@login_required

def setting():

    return '这是设置页面'

#类视图怎么使用装饰器

class ProfileView(views.View):

    decorators = [login_required]

    def dispatch_request(self):

        return "个人中心页面"

app.add_url_rule('/profile/',endpoint='profile',view_func=ProfileView.as_view(

    'profile'

))

if __name__ == '__main__':

    app.run(debug=True)