Python 客户匹配查询不存在<;-这是什么?为什么它会以form.形式触发?\u valid()django
我有一个代码,这是我正在开发的应用程序的注册表,我正在实施验证的路上,这就发生了。 我不知道发生了什么事 这是我的观点Python 客户匹配查询不存在<;-这是什么?为什么它会以form.形式触发?\u valid()django,python,html,django,web,django-models,Python,Html,Django,Web,Django Models,我有一个代码,这是我正在开发的应用程序的注册表,我正在实施验证的路上,这就发生了。 我不知道发生了什么事 这是我的观点 from django.http import HttpResponse from django.shortcuts import render, redirect, get_list_or_404 from users.models import costumer from .forms import costumer_forms def home_view(reque
from django.http import HttpResponse
from django.shortcuts import render, redirect, get_list_or_404
from users.models import costumer
from .forms import costumer_forms
def home_view(request, *args, **kwargs):
# return HttpResponse("<h1>Hello</h1>")
username = "Hello"
stat = "Hey"
if request.method == "POST":
email = request.POST.get("email")
password = request.POST.get("password")
obj = costumer.objects.get(email=email)
stat = obj.check_password(password)
if stat:
return redirect('messenger', username=obj.username)
context = {
"name": username,
"stat": stat,
}
return render(request, "home.html", context)
def register_form(request):
# if request.method == "POST":
form = costumer_forms(request.POST or None, request.FILES or None)
request.session.flush()
if form.is_valid():
print("hello")
form = costumer_forms()
context={
"form": form,
}
return render(request, "register.html", context)
def contact_view(request, username):
obj = costumer.objects.get(username = username)
context ={
"obj": obj
}
return render(request, "product/detail.html", context)
从django.http导入HttpResponse
从django.shortcuts导入渲染、重定向、获取列表或404
从users.models导入客户
from.forms导入客户表单
def home_视图(请求、*args、**kwargs):
#返回HttpResponse(“你好”)
username=“你好”
stat=“嘿”
如果request.method==“POST”:
email=request.POST.get(“电子邮件”)
密码=request.POST.get(“密码”)
obj=customer.objects.get(email=email)
stat=obj.检查密码(password)
如果统计:
返回重定向('messenger',username=obj.username)
上下文={
“名称”:用户名,
“stat”:stat,
}
返回呈现(请求“home.html”,上下文)
def登记表(请求):
#如果request.method==“POST”:
表单=客户表单(request.POST或None,request.FILES或None)
request.session.flush()
如果form.is_有效():
打印(“你好”)
表格=客户表格()
上下文={
“形式”:形式,
}
返回呈现(请求“register.html”,上下文)
def联系人视图(请求、用户名):
obj=customer.objects.get(用户名=username)
上下文={
“obj”:obj
}
返回呈现(请求“product/detail.html”,上下文)
这是我的表格
from django import forms
from users.models import costumer
class costumer_forms(forms.Form):
firstname = forms.CharField(required=True,
widget=forms.TextInput(
attrs={
"type":"text",
"name":"firstname",
"placeholder": "Ex Juan"
}
)
)
lastname = forms.CharField(required=True,
widget=forms.TextInput(
attrs={
"type":"text",
"name":"lastname",
"placeholder": "Dela Cruz"
}
)
)
username = forms.CharField(required=True,
widget=forms.TextInput(
attrs={
"type":"text",
"name":"username",
"placeholder": "What should we call you?"
}
)
)
email = forms.CharField(required=True,
widget=forms.TextInput(
attrs={
"type":"email",
"name":"lastname",
"placeholder": "Dela Cruz"
}
)
)
contact = forms.CharField(required=True,
widget=forms.TextInput(
attrs={
"type":"number",
"name":"contact",
"placeholder": "997XXXXXXX"
}
)
)
password = forms.CharField(required=True,
widget=forms.TextInput(
attrs={
"type":"password",
"name":"password",
"placeholder": "Please Make Password as Secure as Possible"
}
)
)
about = forms.CharField(required=False,
widget=forms.Textarea(
attrs={
"placeholder": "Tell us something about you",
"rows": 20,
"cols":50,
}
)
)
class Meta:
model = costumer
fields=[
"firstname",
"lastname",
"username",
"email",
"password",
]
def clean_username(self, *args, **kwargs):
username = self.cleaned_data.get("username")
if costumer.objects.get(email=username):
raise forms.ValidationError("Username Already Exists!!!!")
else: return username
def clean_email(self, *args, **kwargs):
email = self.cleaned_data.get("email")
if ".com" not in email:
raise forms.ValidationError("Invalid email")
if costumer.objects.get(email=email):
raise forms.ValidationError("Email Already Exists!!!!")
return email
def clean_password(self, *args, **kwargs):
passw = self.cleaned_data.get("password")
cpassw = self.data.get("confirm_password")
if passw != cpassw:
raise forms.ValidationError("Password not match")
if len(passw) < 8:
raise forms.ValidationError("Minimum 8 Characters for Passwords ")
if len(passw) > 15:
raise forms.ValidationError("Maximum 15 Characters for Passwords ")
return passw
来自django导入表单的
从users.models导入客户
班级客户表(forms.Form):
firstname=forms.CharField(必需=True,
widget=forms.TextInput(
属性={
“类型”:“文本”,
“名字”:“名字”,
“占位符”:“前胡安”
}
)
)
lastname=forms.CharField(必需=True,
widget=forms.TextInput(
属性={
“类型”:“文本”,
“姓名”:“姓氏”,
“占位符”:“德拉·克鲁兹”
}
)
)
username=forms.CharField(必需=True,
widget=forms.TextInput(
属性={
“类型”:“文本”,
“名称”:“用户名”,
“占位符”:“我们该怎么称呼你?”
}
)
)
email=forms.CharField(必需=True,
widget=forms.TextInput(
属性={
“类型”:“电子邮件”,
“姓名”:“姓氏”,
“占位符”:“德拉·克鲁兹”
}
)
)
contact=forms.CharField(必需=True,
widget=forms.TextInput(
属性={
“类型”:“编号”,
“姓名”:“联系人”,
“占位符”:“997XXXXXXX”
}
)
)
密码=forms.CharField(必需=True,
widget=forms.TextInput(
属性={
“类型”:“密码”,
“名称”:“密码”,
“占位符”:“请使密码尽可能安全”
}
)
)
about=forms.CharField(必需=False,
widget=forms.Textarea(
属性={
“占位符”:“告诉我们一些关于你的事情”,
“行”:20,
“科尔斯”:50,
}
)
)
类元:
模特=顾客
田地=[
“名字”,
“姓氏”,
“用户名”,
“电子邮件”,
“密码”,
]
def clean_用户名(self、*args、**kwargs):
username=self.cleaned_data.get(“用户名”)
如果customer.objects.get(电子邮件=用户名):
raise forms.ValidationError(“用户名已存在!!!!”)
其他:返回用户名
def clean_电子邮件(self、*args、**kwargs):
email=self.cleanned_data.get(“email”)
如果电子邮件中没有“.com”:
raise forms.ValidationError(“无效电子邮件”)
如果customer.objects.get(email=email):
raise forms.ValidationError(“电子邮件已存在!!!!”)
返回电子邮件
def clean_密码(self、*args、**kwargs):
passw=self.cleaned_data.get(“密码”)
cpassw=self.data.get(“确认密码”)
如果passw!=cpassw:
raise forms.ValidationError(“密码不匹配”)
如果len(passw)<8:
raise forms.ValidationError(“密码至少8个字符”)
如果len(passw)>15:
raise forms.ValidationError(“密码最多15个字符”)
返回密码
这是我的registration.html
{%extends'base.html%}
{%load static%}
{%block head%}
{%endblock%}
{%block content%}
形式
{%csrf_令牌%}
{{form.as_p}}
{%endblock%}
我是Django的新手,但我想问你为什么在if表单中再次引用相同的表单。你的条件有效吗?根据我的经验,表单应该在这个条件之前被调用,我不认为有任何必要在里面再次分配相同的表单变量
def register_view(request):
context = {}
form = yourform(request.POST or None, request.FILES or None)
if form.is_valid():
form.save()
user = form.cleaned_data.get('username')
messages.success(request, 'Account was created for '+ user)
#name of page you want to be redirected to after regitration.
return redirect('login')
context['form'] = form
return render(request, 'yourtemplatename.html', context)
哟,祖普。事实证明,我一直收到错误的原因是我没有正确处理清理函数中的查询。我们可以以clean_email()为例
def clean_email(self, *args, **kwargs):
email = self.cleaned_data.get("email")
if ".com" not in email:
raise forms.ValidationError("Invalid email")
if costumer.objects.get(email=email):
raise forms.ValidationError("Email Already Exists!!!!")
return email
事实证明,当_为valid()时,类窗体将运行所有清理函数
try:
error = costumer.objects.get(email=email)
except costumer.DoesNotExist:
return email