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)

# 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)
def register(request):
if request.method=="post":
form=userform(request.post)
if form.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",]
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",]
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
def clean_name(self):
val=self.cleaned_data.get("name")
if not val.isdigit():
return val
else:
raise validationerror("使用者名稱不能是純數字!")
# 全域性鉤子
def clean(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!')
def register(request):
if request.method=="post":
form=userform(request.post)
if form.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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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...

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