下面的内容段是关于python+django实现的简单的表单验证的内容，应该能对大伙也有用途。
<html>
<head>
<title>Form validation example</title>
<link rel="stylesheet" type="text/css" href="{{ STATIC_URL }}css/bootstrap.css">
</head>
<body>
<div class="col-sm-8">
<h3>Form validation example</h3>
{% if form.errors %}
<div class="text-danger">Please correct the error{{ form.errors|pluralize }} below.</div>
{% endif %}
<p>
<div class="form-horizontal">
<form action="" method="post" role="form">{% csrf_token %}
<div class="form-group row {% if form.subject.errors %}has-error{% endif %}">
<label for="id_subject" class="col-sm-3 control-label">Email subject:</label>
<div class="col-lg-5">
{{ form.subject }}
{% if form.subject.errors %}
<span class="help-block">
{% for error in form.subject.errors %}{{ error }}{% endfor %}
</span>
{% endif %}
</div>
</div>
<div class="form-group row {% if form.email.errors %}has-error{% endif %}">
<label for="id_sender" class="col-sm-3 control-label">Email address:</label>
<div class="col-lg-5">
{{ form.email }}
{% if form.email.errors %}
<span class="help-block">
{% for error in form.email.errors %}{{ error }}{% endfor %}
</span>
{% endif %}
</div>
</div>
<div class="form-group row {% if form.message.errors %}has-error{% endif %}">
<label for="id_message" class="col-sm-3 control-label">Message:</label>
<div class="col-lg-5">
{{ form.message }}
{% if form.message.errors %}
<span class="help-block">
{% for error in form.message.errors %}{{ error }}{% endfor %}
</span>
{% endif %}
</div>
</div>
<div class="form-group row">
<div class="col-sm-5 col-sm-offset-3">
<input type="submit" value="Validate form" class="btn btn-primary" />
</div>
</div>
</form>
</div>
</div>
</body>
</html>
forms.py
from django import forms
class ContactForm(forms.Form):
"""
define a contact form class
"""
# this will be rendered like
# <input class="form-control" id="id_subject" name="subject" size="48" type="text">
# valid if not empty
subject = forms.CharField(widget=forms.TextInput(attrs={'size':'48', 'class':'form-control'}))
# A CharField that checks that the value is a valid email address.
email = forms.EmailField(widget=forms.TextInput(attrs={'size':'48', 'class':'form-control'}))
message = forms.CharField(widget=forms.Textarea(attrs={'cols':50, 'rows': 5 , 'class':'form-control'}))
views.py
from django.shortcuts import render
from .forms import ContactForm
def contact(request):
if request.method == 'POST':
# get data from POST request to contactform
form = ContactForm(request.POST)
else:
form = ContactForm()
data = {
'form': form,
}
return render(request, 'contact_form.html', data)免责声明：本站发布的内容（图片、视频和文字）以原创、转载和分享为主，文章观点不代表本网站立场，如果涉及侵权请联系站长邮箱：is@yisu.com进行举报，并提供相关证据，一经查实，将立刻删除涉嫌侵权内容。
