from flask import Flask,views,render_template,request app = Flask(__name__) app.debug = True class LoginView(views.MethodView): def __render(self,error=None): return render_template('login.html', error=error) def get(self,): return self.__render() def post(self): username = request.form.get('username') password = request.form.get('password') if username == 'xiaowu' and password == '123456': return 'login success' return self.__render(error="用户名和密码错误")
def put(self):
pass
def delete(self):
pass
app.add_url_rule('/login/',view_func=LoginView.as_view('login')) if __name__ == '__main__': app.run()
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>登录页面</title> </head> <body> <div class="form"> <form action="{{ url_for('login') }}" method="post" enctype="multipart/form-data"> <div class="name"> <input name="username" type="text"> </div> <div class="password"> <input name="password" type="password"> </div> <button>登录</button> </form> </div> <div> {% if error %} <p>{{ error }}</p> {% endif %} </div> </body> </html>
