from flask import Flask,views,url_for

app = Flask(__name__)

class IndexView(views.View):

    def dispatch_request(self): #必须实现

print(url_for('index'))

        return 'hello world'

app.add_url_rule('/',endpoint='index',view_func=IndexView.as_view('index'))

if __name__ == '__main__':

    app.run(debug=True)

#比如说有几个直传json数据的api

class JSONView(views.View):

    def get_data(self):

        raise NotImplementedError

    def dispatch_request(self):

        return jsonify(self.get_data())

class ListView(JSONView):

    def get_data(self):

        return {"username":"xiaowu","password":""}

app.add_url_rule('/list/',endpoint='list',view_func=ListView.as_view('list'))

#几个api要传递统一的变量

class UNIFYView(views.View):

    def __init__(self,*args,**kwargs):

        super().__init__(*args,**kwargs)

        self.content = {"abs":"今年过年不收礼，收礼只收女票"}

class LoginView(UNIFYView):

    def dispatch_request(self):

        self.content.update(

            username = "xiaowu",

            password = ""

        )

        return render_template('login.html',**self.content)

app.add_url_rule('/login/',endpoint='login',view_func=LoginView.as_view('login'))

class RegisterView(UNIFYView):

    def dispatch_request(self):

        return render_template('login.html', **self.content)

app.add_url_rule('/register/', endpoint='register', view_func=LoginView.as_view('register'))