一、Form表单
settings.py
INSTALLED_APPS = [ ‘practise.apps.PractiseConfig‘, ]
urls.py
urlpatterns = [ path(‘practise/‘, include((‘practise.urls‘, ‘practise‘), namespace=‘practise‘)), ]
practise/forms.py
#!/usr/bin/env python3 # coding=utf-8 # Version:python3.6.1 # Project:mysite # File:forms.py # Data:2020/12/25 15:27 # Author:LGSP_Harold import re from django import forms from weibo.models import WeiboUser class UserLoginForm(forms.Form): username = forms.CharField(label=‘用户名‘, max_length=64) password = forms.CharField(label=‘密码‘, max_length=64, widget=forms.PasswordInput) verify_code = forms.CharField(label=‘验证码‘, max_length=4) def clean_username(self): username = self.cleaned_data[‘username‘] username = username.strip() pattern = r‘^[0]{0,1}[1][0-9]{10}$‘ if not username: raise forms.ValidationError(‘用户名不能为空‘) if not re.search(pattern, username): raise forms.ValidationError(‘请输入正确的手机号码‘) return username def clean_password(self): password = self.cleaned_data[‘password‘] password = password.strip() if not password: raise forms.ValidationError(‘密码不能为空‘) return password def clean_verify_code(self): verify_code = self.cleaned_data[‘verify_code‘] verify_code = verify_code.strip() if not verify_code: raise forms.ValidationError(‘验证码不能为空‘) return verify_code def clean(self): cleaned_data = super().clean() username = cleaned_data.get(‘username‘, None) username = username.strip() password = cleaned_data.get(‘password‘, None) password = password.strip() if username and password: user_list = WeiboUser.objects.filter(username=username) if user_list.count() == 0: raise forms.ValidationError(‘用户名不存在！‘) if not user_list.filter(password=password).exists(): raise forms.ValidationError(‘用户密码错误！‘) return cleaned_data class UserRegisterForm(forms.Form): username = forms.CharField(label=‘用户名‘, max_length=64) nickname = forms.CharField(label=‘昵称‘, max_length=64) verify_code = forms.CharField(label=‘验证码‘, max_length=4) password = forms.CharField(label=‘密码‘, max_length=64, widget=forms.PasswordInput) password_repeat = forms.CharField(label=‘确认密码‘, max_length=64, widget=forms.PasswordInput) def clean_username(self): username = self.cleaned_data[‘username‘] username = username.strip() pattern = r‘^[0]{0,1}[1][0-9]{10}$‘ if not username: raise forms.ValidationError(‘用户名不能为空‘) if not re.search(pattern, username): raise forms.ValidationError(‘请输入正确的手机号码‘) user_list = WeiboUser.objects.filter(username=username) if user_list.count() != 0: raise forms.ValidationError(‘该手机号已注册‘) return username def clean_password(self): password = self.cleaned_data[‘password‘] password = password.strip() if not password: raise forms.ValidationError(‘密码不能为空‘) return password def clean_password_repeat(self): password_repeat = self.cleaned_data[‘password_repeat‘] password_repeat = password_repeat.strip() if not password_repeat: raise forms.ValidationError(‘确认密码不能为空‘) return password_repeat def clean_verify_code(self): verify_code = self.cleaned_data[‘verify_code‘] verify_code = verify_code.strip() if not verify_code: raise forms.ValidationError(‘验证码不能为空‘) return verify_code def clean(self): cleaned_data = super().clean() password = cleaned_data.get(‘password‘, None) password = password.strip() password_repeat = cleaned_data.get(‘password_repeat‘, None) password_repeat = password_repeat.strip() if password != password_repeat: raise forms.ValidationError(‘两次密码不一样‘) return cleaned_data
practise/urls.py
#!/usr/bin/env python3 # coding=utf-8 # Version:python3.6.1 # Project:mysite # File:urls.py # Data:2020/12/25 16:14 # Author:LGSP_Harold from django.urls import path from practise import views urlpatterns = [ path(‘forms/pf1/‘, views.user_login, name=‘pf1‘), path(‘forms/pf2/‘, views.user_register, name=‘pf2‘), ]
practise/views.py
from django.shortcuts import render from practise.forms import UserLoginForm, UserRegisterForm def user_login(request): if request.method == ‘POST‘: form = UserLoginForm(request.POST) if form.is_valid(): data = form.cleaned_data print(‘登录成功‘, data) else: print(form.errors) else: form = UserLoginForm() return render(request, ‘practise_form_login.html‘, { ‘form‘: form }) def user_register(request): if request.method == ‘POST‘: form = UserRegisterForm(request.POST) if form.is_valid(): data = form.cleaned_data else: form = UserRegisterForm() return render(request, ‘practise_form_register.html‘, { ‘form‘: form })
practise/templates/practise_form_register.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册表单</title> </head> <body> <form action="." method="post"> <div> <p>{{ form.username.label }}</p> <p> {{ form.username }} <span>{{ form.username.errors.as_text }}</span> </p> </div> <div> <p>{{ form.nickname.label }}</p> <p> {{ form.nickname }} <span>{{ form.nickname.errors.as_text }}</span> </p> </div> <div> <p>{{ form.password.label }}</p> <p> {{ form.password }} <span>{{ form.password.errors.as_text }}</span> </p> </div> <div> <p>{{ form.password_repeat.label }}</p> <p> {{ form.password_repeat }} <span>{{ form.password_repeat.errors.as_text }}</span> </p> </div> <div> <p>{{ form.verify_code.label }}</p> <p> {{ form.verify_code }} <span>{{ form.verify_code.errors.as_text }}</span> </p> </div> <p><input type="submit" value="注册并登录"></p> <p>{{ form.non_field_errors.as_text }}</p> </form> </body> </html>
practise/templates/practise_form_login.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>登录表单</title> </head> <body> <form action="." method="post"> <div> <p>{{ form.username.label }}</p> <p> {{ form.username }} <span>{{ form.username.errors.as_text }}</span> </p> </div> <div> <p>{{ form.password.label }}</p> <p>{{ form.password }}</p> </div> <div> <p>{{ form.verify_code.label }}</p> <p> {{ form.verify_code }} <span>{{ form.verify_code.errors.as_text }}</span> </p> </div> <p><input type="submit" value="提交"></p> <p>{{ form.non_field_errors.as_text }}</p> </form> </body> </html>
二、Model表单
practise/model_forms.py
#!/usr/bin/env python3 # coding=utf-8 # Version:python3.6.1 # Project:mysite # File:model_forms.py # Data:2020/12/26 16:17 # Author:LGSP_Harold import re from django import forms from weibo.models import WeiboUser class UserForm(forms.ModelForm): class Meta: model = WeiboUser fields = [‘username‘, ‘password‘, ‘nickname‘, ‘remark‘] widgets = { ‘password‘: forms.PasswordInput, ‘remark‘: forms.Textarea(attrs={ ‘class‘: ‘text-error‘, }), } labels = { ‘username‘: ‘手机号码‘, } error_messages = { ‘username‘: { ‘required‘: ‘请输入手机号‘, } } help_texts = { ‘remark‘: ‘字数不超过256‘ } def clean_username(self): username = self.cleaned_data[‘username‘] username = username.strip() pattern = r‘^[0]{0,1}[1][0-9]{10}$‘ if not username: raise forms.ValidationError(‘用户名不能为空‘) if not re.search(pattern, username): raise forms.ValidationError(‘请输入正确的手机号码‘) user_list = WeiboUser.objects.filter(username=username) if user_list.count() != 0: raise forms.ValidationError(‘该手机号已绑定‘) return username
practise/urls.py
#!/usr/bin/env python3 # coding=utf-8 # Version:python3.6.1 # Project:mysite # File:urls.py # Data:2020/12/25 16:14 # Author:LGSP_Harold from django.urls import path from practise import views urlpatterns = [ path(‘model_forms/pmf1/‘, views.user_edit, name=‘pmf1‘), ]
practise/views.py
from django.shortcuts import render from practise.model_forms import UserForm def user_edit(request): if request.method == ‘POST‘: form = UserForm(request.POST) if form.is_valid(): data = form.cleaned_data print(‘修改成功‘, data) else: print(form.errors) else: form = UserForm() return render(request, ‘practise_model_form_edit.html‘, { ‘form‘: form })
practise/templates/practise_model_form_edit.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>用户信息编辑</title> <style type="text/css"> .text-error { color: red; } </style> </head> <body> <form action="." method="post"> <div> {# {{ form.as_p }}#} <p>{{ form.username.label }}</p> <p> {{ form.username }} <span>{{ form.username.errors.as_text }}</span> </p> </div> <div> <P>{{ form.password.label }}</P> <P> {{ form.password }} <span>{{ form.password.error.as_text }}</span> </P> </div> <div> <p>{{ form.nickname.label }}</p> <p> {{ form.nickname }} <span>{{ form.nickname.error.as_text }}</span> </p> </div> <div> <p>{{ form.remark.label }}</p> <div> {{ form.remark }} <span>{{ form.remark.help_text }}</span> <span>{{ form.remark.error.as_text }}</span> </div> </div> <p><input type="submit" value="更新用户数据"></p> <p></p> </form> </body> </html>
原文：https://www.cnblogs.com/Harold-Hua/p/14193456.html