Django实现表单验证
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2022-12-23 23:47:49
本文实例为大家分享了django实现表单验证的具体代码，供大家参考，具体内容如下
models.py
class users(models.model):...
本文实例为大家分享了django实现表单验证的具体代码，供大家参考，具体内容如下
models.py
class users(models.model):
nickname = models.charfield(max_length=16, null=false, blank=false, unique=true)
email = models.emailfield(max_length=32, null=false, blank=false, unique=true)
password = models.charfield(max_length=64, null=false, blank=false)
head = models.imagefield(default="decault.png")
age = models.charfield(max_length=3,blank=true,null=true)
sex = models.charfield(max_length=2, blank=true, null=true)
isactivate = models.booleanfield(default=false)
def save(self):
if not self.password.startswith('pbkdf2_'):
self.password = make_password(self.password)
super().save()
form.py
from django import forms
from django.core.exceptions import validationerror
from user.models import users
#定义验证器
def nickname_validate(nickname):
u = users.objects.filter(nickname=nickname)
if len(u):
print(len(u))
raise validationerror('用户名已存在')
#定义表单
class registerform(forms.form):
nickname = forms.charfield(validators=[nickname_validate],
label='用户名',
max_length=16,
min_length=4,
required=true,
widget= forms.textinput(),
)
password = forms.charfield(label='密码',
max_length=64,
min_length=6,
required=true,
widget=forms.passwordinput())
email = forms.emailfield(label='邮箱',
max_length=32,
required=true)
age = forms.charfield(label='年龄',
max_length=3,
required=false)
sex = forms.choicefield(label='性别',
choices = ((0,'男'),(1,'女'),),
required=false)
view.py
from user.forms import registerform
from user.models import users
def register(request):
if request.method == 'post':
form = registerform(request.post)
if form.is_valid():
u = users()
u.nickname = form.cleaned_data['nickname']
u.email = form.cleaned_data['email']
u.password = form.cleaned_data['password']
u.age = form.cleaned_data['age']
u.sex = form.cleaned_data['sex']
u.save()
return render(request,'user_info.html')
else:
return render(request, 'register.html',context={'form':form,'errors': form.errors})
else:
form = registerform()
return render(request,'register.html',context={'form':form})
register.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>注册</title>
</head>
<body>
<form class="form" action="{% url 'user:register' %}" method="post">
{% csrf_token %}
<table>
{{ form.as_p }}
</table>
<button type="submit" class="btn btn-primary btn-block">注册
</button>
<input type="hidden" name="next" value="{{ next }}"/>
</form>
</body>
</html>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
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