如何使用Django发送电子邮件和附件

EMAIL_HOST='smtp.sendgrid.net'EMAIL_HOST_USER='username'EMAIL_HOST_PASSWORD='password'EMAIL_PORT = 587EMAIL_USE_TLS = True

from django.urls import path, include from test_email.views import ( simple_email, email_with_template, email_with_attachment, email_with_custom_attachment_file_name, bulk_email, ) from django.conf import settingsfrom django.conf.urls.static import static app_name='test_email' urlpatterns = [    path('simple_email',simple_email, name='simple_email'),    path('email_with_template',email_with_template, name='email_with_template'),    path('email_with_attachment',email_with_attachment, name='email_with_attachment'),        path(        'email_with_custom_attachment_file_name',         email_with_custom_attachment_file_name,         name='email_with_custom_attachment_file_name'    ),        path('bulk_email',bulk_email, name='bulk_email'),]

send_mail(subject, message, from_email, recipient_list,     fail_silently=False, auth_user=None, auth_password=None,    connection=None, html_message=None)

import osfrom django.shortcuts import renderfrom django.http import HttpResponse, HttpResponseRedirectfrom django.conf import settingsfrom django.template.loader import get_template,render_to_string # django email modulefrom django.core.mail import send_mail,EmailMessage,send_mass_mail def simple_email(request,*args,**kwargs):    subject = 'This is email subject'     msg = 'This is the message of email'        from_email = '[email protected]'        to_email = ['[email protected]','[email protected]'] # can send email to multiple recipients        email_res = send_mail(subject,msg,from_email,to_email,fail_silently=False,)        return HttpResponse(email_res)

render_to_string(template_name, context=None, request=None, using=None)

<h2>Welcome to Company Name</h2><p><strong>Dear {{first_name}} {{last_name}},</strong></p>    You have successfully registered  by user name <strong>"{{username}}"</strong>

def email_with_template(request,*args,**kwargs):    subject = 'This is email subject'     ctx = {        'username' : 'Alen1234',        'first_name':'Alen',        'last_name':'Jake',    }        msg = render_to_string('test_email/simple_email.html',ctx)        from_email = '[email protected]'        to_email = ['[email protected]'] # can send email to multiple recipients        email_res = send_mail(subject, '', from_email, to_email, fail_silently=False, html_message=msg)        return HttpResponse(email_res)

def email_with_attachment(request,*args,**kwargs):    file_path = os.path.abspath('media/bg-2.jpg')        subject = 'This is email subject'        ctx = {        'username' : 'Alen1234',        'first_name':'Alen',        'last_name':'Jake',    }        msg = render_to_string('test_email/simple_email.html',ctx)        from_email = '[email protected]'        to_email = ['[email protected]']     mail = EmailMessage(        subject,        msg,        from_email,        to_email,    )        mail.content_subtype='html'     mail.attach_file(file_path)        email_res = mail.send()        return HttpResponse(email_res)

send_mass_mail(datatuple, fail_silently=False, auth_user=None, auth_password=None, connection=None)

def bulk_email(request,*args,**kwargs):    ctx_list = [        {            'username' : 'Alen1234',            'first_name':'Alen',            'last_name':'Jake',            'email':'[email protected]',            'subject':'email subject',            'msg':'This is the email msg'        },        {            'username' : 'Tim34',            'first_name':'TIm',            'last_name':'Crook',            'email':'[email protected]',            'subject':'email subject',            'msg':'This is the email msg'        },    ]     from_email='[email protected]'    email_tuple = tuple()     for i in ctx_list:        email_tuple=email_tuple+((        i['subject'],         i['msg'],        from_email,        [i['email']]),)     email_res = send_mass_mail((email_tuple), fail_silently=False)     return HttpResponse(email_res)