django from表单验证

实现：表单验证

工程示例：

urls.py

from django.conf.urls import url

from django.contrib import admin

from app01 import views

urlpatterns = [

url(r'^admin/', admin.site.urls),

url(r'^f1.html$', views.f1),

]

settings.py

STATIC_FILES_DIRS = (

    os.path.join(BASE_DIR,'static'),

)

views.py

from django.shortcuts import render

from django.shortcuts import redirect

from django.shortcuts import HttpResponse

from app01 import models

from django import forms

from django.forms import fields

class F1Form(forms.Form):

user = fields.CharField(

max_length=18,

min_length=6,

required=True,

error_messages={'required': '用户名不能为空',

'max_length': '太长了',

'min_length': '太短了'

}

)

pwd = fields.CharField(

required=True,

min_length=32

)

age = fields.IntegerField(

required=True,

error_messages={

'required': '邮箱不能为空',

'invalid': '邮箱格式错误',

}

)

email = fields.EmailField(

required=True,

min_length=8

)

def f1(request):

if request.method == 'GET':

obj = F1Form()

return render(request, 'f1.html', {'obj': obj})

else:

obj = F1Form(request.POST)

# 是否全部验证成功

if obj.is_valid():

# 用户提交的数据

print('验证成功', obj.cleaned_data)

return redirect('http://www.baidu.com')

else:

print('验证失败', obj.errors)

return render(request, 'f1.html', {'obj': obj})

f1.html

<!DOCTYPE html>

<html lang="en">

<head>

<meta charset="UTF-8">

<title>Title</title>

</head>

<body>

<form id="fm" action="/f1.html" method="POST">

<p>用户{{ obj.user }}{{ obj.errors.user.0 }}</p>

<p>密码{{ obj.pwd }}{{ obj.errors.pwd.0 }}</p>

<p>年龄{{ obj.age }}{{ obj.errors.age.0 }}</p>

<p>邮箱{{ obj.email }}{{ obj.errors.email.0 }}</p>

<input type="submit" value="提交" />

</form>

<script src="/static/js/jquery-3.1.1.js"></script>

</body>

</html>

巴特西

django from表单验证

django from表单验证

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