django元件 forms元件

針對乙個例項：註冊使用者講解。

模型：models.py

class

userinfo(models.model):
name=models.charfield(max_length=32)
pwd=models.charfield(max_length=32)
email=models.emailfield()
tel=models.charfield(max_length=32)

模板: register.html:

"en

">

檢視函式：register

#

forms元件
from django.forms import
widgets
wid_01=widgets.textinput(attrs=)
wid_02=widgets.passwordinput(attrs=)
class
userform(forms.form):
name=forms.charfield(max_length=32,
widget=wid_01
)pwd=forms.charfield(max_length=32,widget=wid_02)
r_pwd=forms.charfield(max_length=32,widget=wid_02)
email=forms.emailfield(widget=wid_01)
tel=forms.charfield(max_length=32,widget=wid_01)
defregister(request):
if request.method=="
post":
form=userform(request.post)
ifform.is_valid():
print(form.cleaned_data) #
所有乾淨的字段以及對應的值
else
: 
print(form.cleaned_data) #
print(form.errors) #
errordict : 
print(form.errors.get("
name
")) #
errorlist ["錯誤資訊",]
所有乾淨的字段以及對應的值
else
: 
print(form.cleaned_data) #
print(form.errors) #
errordict : 
print(form.errors.get("
name
")) #
errorlist ["錯誤資訊",]
return render(request,"
register.html
",locals())
form=userform()
return render(request,"
register.html
",locals())

#

forms元件
from django.forms import
widgets
wid_01=widgets.textinput(attrs=)
wid_02=widgets.passwordinput(attrs=)
from django.core.exceptions import
validationerror
class
userform(forms.form):
name=forms.charfield(max_length=32,
widget=wid_01
)pwd=forms.charfield(max_length=32,widget=wid_02)
r_pwd=forms.charfield(max_length=32,widget=wid_02)
email=forms.emailfield(widget=wid_01)
tel=forms.charfield(max_length=32,widget=wid_01)
#區域性鉤子
defclean_name(self):
val=self.cleaned_data.get("
name")
ifnot
val.isdigit():
return
val 
else
: 
raise validationerror("
使用者名稱不能是純數字!")
#全域性鉤子
defclean(self):
pwd=self.cleaned_data.get("
pwd"
) r_pwd=self.cleaned_data.get("
r_pwd")
if pwd==r_pwd:
return
self.cleaned_data
else
: 
raise validationerror('
兩次密碼不一致!')
defregister(request):
if request.method=="
post":
form=userform(request.post)
ifform.is_valid():
print(form.cleaned_data) #
所有乾淨的字段以及對應的值
else
: clean_error=form.errors.get("
__all__")
return render(request,"
register.html
",locals())
form=userform()
return render(request,"
register.html
",locals())

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