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[英]AttributeError: 'EditForm' object has no attribute 'validate_on_submit'
[英]Flask object has no attribute 'validate_on_submit'
我遇到了來自wtforms
的 form.validate_on_submit() 方法的問題,每次提交表單時都會引發以下錯誤:
'LoginForm' object has no attribute 'validate_on_submit'
forms.py:
from wtforms import Form, validators, StringField, PasswordField
class LoginForm(Form):
email = StringField('Email Address', [validators.DataRequired(message='Field required')])
password = PasswordField('Password', [validators.DataRequired(message='Field required')])
路線.py
from flask import Flask, escape, request, render_template, redirect, url_for
from securepi import app, tools
from securepi.forms import LoginForm
@app.route('/login/', methods=['GET', 'POST'])
def login():
error = None
try:
form = LoginForm(request.form)
if request.method == "POST" and form.validate_on_submit():
email = str(form.email.data)
password = tools.encrypt(str(form.password.data))
print("email: {}, password: {}".format(email, password))
# if valid account create session and redirect to index
return redirect(url_for('index'))
else:
print("FAIL")
error = "Invalid username or password"
except Exception as e:
return(str(e))
return render_template('login.html', form = form)
和表格
<form action="" method="post">
<div class="form-group has-feedback">
<input type="email" name="email" class="form-control" placeholder="Email" value="{{ request.form.email }}">
<span class="glyphicon glyphicon-envelope form-control-feedback"></span>
</div>
<div class="form-group has-feedback">
<input type="password" name="password" class="form-control" placeholder="Password" value="{{ request.form.password }}">
<span class="glyphicon glyphicon-lock form-control-feedback"></span>
</div>
<div class="row">
<!-- /.col -->
<div class="col-xs-12">
<button type="submit" class="btn btn-primary btn-block">Log in</button>
</div>
<!-- /.col -->
</div>
</form>
您可以嘗試將 forms.py 更改為以下內容嗎?
from flask_wtf import FlaskForm
from wtforms import validators, StringField, PasswordField
class LoginForm(FlaskForm):
email = StringField('Email Address', [validators.DataRequired(message='Field required')])
password = PasswordField('Password', [validators.DataRequired(message='Field required')])
Forms class文檔說:
證實()
通過在每個字段上調用 validate 來驗證表單,將任何額外的 Form.validate_<fieldname> 驗證器傳遞給字段驗證器。
好像您正在嘗試驗證表單中缺少的on_submit
字段。 簡單地使用validate()
應該可以解決問題。
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