def user(): myForm = LoginForm(request.form) if request.method == "POST": user = User(myForm.username.data, myForm.password.data) if user.isExist(): return redirect("http://www.jikexueyuan.com") else: message = "Login Failed" return render_template("login2.html", message=message, form=myForm) return render_template("login2.html", form=myForm)