python Flask向多个收件人发送电子邮件

Posted 2021-05-09

from flask import Flask, render_template, make_response
from flask_sqlalchemy import SQLAlchemy
from flask_mail import Mail, Message
import os

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///subscribe.db'
app.config['MAIL_SERVER'] = 'mail.mail.com'
app.config['MAIL_PORT'] = 25
app.config['MAIL_USERNAME'] = 'name'
app.config['MAIL_PASSWORD'] = 'secret'


db = SQLAlchemy(app)
mail = Mail(app)

class Subscribe(db.Model):
    id = db.Column('id', db.Integer, primary_key=True)
    email = db.Column('email', db.String(50), unique=True, nullable=False)
    company = db.Column(db.String(50), nullable=False)


    def __repr__(self):
        return f"Subscribe('{self.company}', '{self.email}')"

@app.route('/sendmail', methods=['GET', 'POST'])
def index():
    theuser = Subscribe.query.filter(Subscribe.id).all()
    msg = Message('Hello', sender='[e-mail]', recipients=[theuser.email for theuser in Subscribe.query.all()])

    with app.open_resource(r"C:\py\image.png") as fp:
        msg.attach("image.png", "image/png", fp.read())

    for theuser in Subscribe.query.all():
        mail.send(msg)

    return 'Message sent!'



if __name__ == '__main__':
    app.run(debug=True)