django的Form组件
实例：
视图函数
from django import forms
from app01 import models
from django.forms import fields
class FM(forms.Form):
user = fields.CharField(
error_messages={
‘required‘:‘用户名不能为空‘
})
passwd = fields.CharField(
max_length=12,
min_length=6,
error_messages={
‘required‘:‘密码不能为空‘,
‘max_length‘:‘密码长度不能大于12‘,
‘min_length‘:‘密码长度不能小于6‘
})
email = fields.EmailField(
error_messages={
‘required‘:‘邮箱不能为空‘,
‘invalid‘:‘邮箱格式不正确‘
})
def fm(request):
if request.method == ‘GET‘:
obj = FM()
return render(request,‘fm.html‘,{‘obj‘:obj})
elif request.method == ‘POST‘:
obj = FM(request.POST)
if obj.is_valid():
print(obj.cleaned_data) #返回的正确信息
models.User.objects.create(**obj.cleaned_data)
return HttpResponse(‘OK‘)
else:
print(obj.errors.as_json()) #返回的所有错误信息
# print(obj.errors[‘user‘])
return render(request,‘fm.html‘,{‘obj‘:obj})
fm.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<form action="/fm/" method="POST">
{% csrf_token %}
<p>{{ obj.user }} {{ obj.errors.user.0 }}</p>
<p>{{ obj.passwd }} {{ obj.errors.passwd.0 }}</p>
<p>{{ obj.email }} {{ obj.errors.email.0 }}</p>
<p><input type="submit" value="提交"></p>
</form>
</body>
</html>
时间： 2024-08-01 22:43:04