class SendEmailCodeView(LoginRequiredMixin, View):

    def get(self, request):

        email = request.GET.get('email', '')

        if UserProfile.objects.filter(email=email):

            return HttpResponse('{"email":"该邮箱已被注册"}', content_type='application/json')

        sendEmail(email, 'hmail')

        return HttpResponse('{"status":"success"}', content_type='application/json')

from .views import SendEmailCodeView

urlpatterns = [

    ...

    url(r'sendemail_code/$', SendEmailCodeView.as_view(), name='sendemail_code'),

]

from random import Random

from django.core.mail import send_mail

from users.models import  EmailVerifyRecord

from mxonline.settings import EMAIL_FROM

def random_str(randomlenght=8):

    str = ''

    chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789'

    length = len(chars) - 1

    random = Random()

    for i in range(randomlenght):

        str += chars[random.randint(0, length)]

    return str

def sendEmail(email, send_type='register'):

    email_record = EmailVerifyRecord()

    if send_type == 'hmail':

        code = random_str(4)

    else:

        code = random_str(16)

    email_record.code = code

    email_record.email = email

    email_record.send_type = send_type

    email_record.save()

    if send_type == 'register':

        email_title = '慕学在线网激活链接'

        email_body = '请点击下面的链接激活你的账号：http://127.0.0.1:8000/active/{0}'.format(code)

        send_status = send_mail(email_title, email_body, EMAIL_FROM, [email])

        if send_status:

            pass

    elif send_type == 'forget':

        email_title = '慕学在线网重置密码连接'

        email_body = '请点击下面的链接重置你的密码：http://127.0.0.1:8000/reset/{0}'.format(code)

        send_status = send_mail(email_title, email_body, EMAIL_FROM, [email])

        if send_status:

            pass

    elif send_type == 'hmail':

        email_title = '慕学在线网修改邮箱'

        email_body = '您的邮箱验证为：{0}'.format(code)

        send_status = send_mail(email_title, email_body, EMAIL_FROM, [email])

        if send_status:

            pass

class UpdateEmailView(LoginRequiredMixin, View):

    def post(self, request):

        email = request.POST.get('email', '')

        code = request.POST.get('code', '')

        existed_records = EmailVerifyRecord.objects.filter(email=email, code=code, send_type='hmail')

        if existed_records:

            user = request.user

            user.email = email

            user.username = email

            user.save()

            return HttpResponse('{"status":"success"}', content_type='application/json')

        else:

            return HttpResponse('{"email":"验证码错误"}', content_type='application/json')

...

from .views import UpdateEmailView

urlpatterns = [

   ...

    url(r'update_email/$', UpdateEmailView.as_view(), name='update_email'),

]

class UserInfoForm(forms.ModelForm):

    class Meta:

        model = UserProfile

        fields = ['nick_name', 'gender', 'birthday', 'address', 'mobile']

        # 因为头像、密码、邮箱是单独修改的，这里就不取出来

...

from .forms import UserInfoForm

class UserInfoView(LoginRequiredMixin, View):

    def get(self, request):

        return render(request, 'usercenter-info.html', {})

    def post(self, request):

        user_info_form = UserInfoForm(request.POST, instance=request.user)

        if user_info_form.is_valid():

            user_info_form.save()

            return HttpResponse('{"status":"success"}', content_type='application/json')

        else:

            return HttpResponse(json.dumps(user_info_form.errors), content_type='application/json')