Django中的FBV和CBV用法详解

def register(request):
 """返回注册页面"""
 return render(request, "register.html")
def register_handle(request):
 """进行注册处理"""
 # 接收数据
 username = request.POST.get("user_name")
 password = request.POST.get("pwd")
 email = request.POST.get("email")
 allow = request.POST.get("allow")
 # 进行数据校验，all方法可以进行迭代，如果有内容为空的，返回false
 if not all([username, password, email]):
 # 数据不完整
 return render(request, "register.html", {"errormsg": "数据不完整"})
 # 邮箱校验
 if not re.match(r'[a-z0-9][\w.\-]*@[a-z0-9\-]+(\.[a-z]{2,5}){1,2}$', email):
 # 邮箱不合法
 return render(request, "register.html", {"errormsg": "邮箱格式不正确"})
 # 协议是否同意校验
 if allow != "on":
 # 用户不同意协议
 return render(request, "register.html", {"errormsg": "请同意协议"})
 # 校验用户名是否重复
 try:
 user = models.User.objects.get(username=username)
 except models.User.DoesNotExist:
 # 用户名不存在
 user = None
 if user:
 return render(request, "register.html", {"errormsg": "用户名已存在"})
 # 进行业务处理：进行用户注册
 # 使用Django默认的认证系统
 user = models.User.objects.create_user(username, email, password)
 # 因为默认注册后用户是激活的，得进行修改
 user.is_active = 0
 user.save()
 # 返回应答，跳转到首页
 return redirect(reverse("goods:index"))

urlpatterns = [
 url(r'^register/$', views.register, name="register"), # 注册
 url(r'^register_handle/$', views.register_handle, name="register_handle"), # 注册处理
]

def register(request):
 """注册"""
 if request.method == 'GET':
 return render(request, "register.html")
 # 接收数据
 username = request.POST.get("user_name")
 password = request.POST.get("pwd")
 email = request.POST.get("email")
 allow = request.POST.get("allow")
 # 进行数据校验，all方法可以进行迭代，如果有内容为空的，返回false
 if not all([username, password, email]):
 # 数据不完整
 return render(request, "register.html", {"errormsg": "数据不完整"})

 # 邮箱校验
 if not re.match(r'[a-z0-9][\w.\-]*@[a-z0-9\-]+(\.[a-z]{2,5}){1,2}$', email):
 # 邮箱不合法
 return render(request, "register.html", {"errormsg": "邮箱格式不正确"})

 # 协议是否同意校验
 if allow != "on":
 # 用户不同意协议
 return render(request, "register.html", {"errormsg": "请同意协议"})
 # 校验用户名是否重复
 try:
 user = models.User.objects.get(username=username)
 except models.User.DoesNotExist:
 # 用户名不存在
 user = None
 if user:
 return render(request, "register.html", {"errormsg": "用户名已存在"})
 # 进行业务处理：进行用户注册
 # 使用Django默认的认证系统
 user = models.User.objects.create_user(username, email, password)
 # 因为默认注册后用户是激活的，得进行修改
 user.is_active = 0
 user.save()
 # 返回应答，跳转到首页
 return redirect(reverse("goods:index"))

urlpatterns = [
 url(r'^register/$', views.register, name="register"), # 注册
]

from django.shortcuts import render, redirect, HttpResponse
from django.views.generic import View
from django.core.urlresolvers import reverse
from django.core.mail import send_mail
from django.contrib.auth import authenticate, login
from itsdangerous import TimedJSONWebSignatureSerializer as Serializer
from itsdangerous import SignatureExpired
import re
from django.conf import settings
import user.models as models
class RegisterView(View):
 """注册视图"""
 def get(self, request):
 """返回注册页面"""
 return render(request, "register.html")
 def post(self, request):
 """进行注册处理"""
 # 接收数据
 username = request.POST.get("user_name")
 password = request.POST.get("pwd")
 email = request.POST.get("email")
 allow = request.POST.get("allow")
 # 进行数据校验，all方法可以进行迭代，如果有内容为空的，返回false
 if not all([username, password, email]):
  # 数据不完整
  return render(request, "register.html", {"errormsg": "数据不完整"})
 # 邮箱校验
 if not re.match(r'[a-z0-9][\w.\-]*@[a-z0-9\-]+(\.[a-z]{2,5}){1,2}$', email):
  # 邮箱不合法
  return render(request, "register.html", {"errormsg": "邮箱格式不正确"})
 # 协议是否同意校验
 if allow != "on":
  # 用户不同意协议
  return render(request, "register.html", {"errormsg": "请同意协议"})
 # 校验用户名是否重复
 try:
  user = models.User.objects.get(username=username)
 except models.User.DoesNotExist:
  # 用户名不存在
  user = None
 if user:
  return render(request, "register.html", {"errormsg": "用户名已存在"})
 # 进行业务处理：进行用户注册
 # 使用Django默认的认证系统
 user = models.User.objects.create_user(username, email, password)
 # 因为默认注册后用户是激活的，得进行修改
 user.is_active = 0
 user.save()
 # 发送激活邮件，包括激活链接：http://127.0.0.1:8000/user/active/3
 # 激活链接中需要包含用户的身份信息，并且要把身份信息进行加密
 # 加密用户的身份信息，生成激活token
 serializer = Serializer(settings.SECRET_KEY, 1800)
 info = {'confirm': user.id}
 token = serializer.dumps(info)
 token = token.decode()
 # 发邮件
 subject = "绿色果园欢迎信息"
 message = ""
 sender = settings.EMAIL_FROM
 receiver = [email]
 html_message = "<h2>%s， 欢迎你成为绿色果园注册会员</h2></br>请点击以下链接激活账号<a href='http:127.0.0.1:8000/" \
   "user/active/%s'>http:127.0.0.1:8000/user/active/%s</a>" % (username, token, token)
 send_mail(subject, message, sender, receiver, html_message=html_message)
 # 返回应答，跳转到首页
 return redirect(reverse("goods:index"))

from user.views import RegisterView
urlpatterns = [
 url(r'^register/$', RegisterView.as_view(), name="register"), # 注册
]