如何访问JQuery中的WTForm字段? [英] How to access WTForm fields in JQuery?
本文介绍了如何访问JQuery中的WTForm字段?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试使用Flask建立一个网站,并且正在将WTForms用于注册页面,如下所示:
I'm trying to make a website with Flask and am using WTForms for a registration page like so:
views.py:
@app.route('/register', methods=('GET', 'POST'))
def register():
form = RegistrationForm()
if form.validate_on_submit():
user = User(form.password.data)
form.populate_obj(user)
db.session.add(user)
db.session.commit()
login_user(user)
return redirect(url_for('index'))
return render_template('register.html', title='Register', form=form, user=current_user)
register.html:
register.html:
{% extends "base.html" %}
{%- block content -%}
{% import "formhelpers.html" as fields %}
<div id="login_container">
<div id="register_title"><p>Register</p></div>
<form method="post" action="{{ url_for('register') }}">
{{ form.hidden_tag() }}
{{ fields.render(form.first_name, placeholder="Firstname") }} <br/>
{{ fields.render(form.last_name, placeholder="Surname") }} <br/>
{{ fields.render(form.email, placeholder="Your email") }} <br/>
{{ fields.render(form.password, placeholder="Password") }} <br/>
{{ fields.render(form.confirm, placeholder="Confirm password") }} <br/>
<p>
<input class="btn" type="submit" value="register"></a>
</p>
</form>
</div>
{%-endblock-%}
{%- endblock -%}
我想做的是,如果用户输入的密码不匹配,则向他们显示错误消息 .我了解您可以在jquery中执行以下操作:
What I want to do is give the user an error message as they type if their passwords do not match. I understand that you can do something like this in jquery like this:
$('.password-field').keyup(function() {
var p1 = $(this).val();
var p2 = $(.confirm-field).val();
if (p1 != p2) {
$('.error-message').show();
}
但是我不确定如何访问JQuery中的WTForm字段.有什么想法吗?
But I am not sure how to access the WTForm fields in JQuery. Any ideas?
推荐答案
这可行,因为我们拥有呈现的HTML/表单字段,可以帮助您编写更简单的代码.
This could work, is we had the rendered HTML/form-fields we could help you with easier code.
var p1 = $("#login_container input[type=password]:nth-child(1)");
var p2 = $("#login_container input[type=password]:nth-child(2)");
$(p1).keyup(function() {
if ($(p1).val() != $(p2).val()) {
$('.error-message').show();
}
}
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