安装：pip install flask-mail

官方文档：https://pythonhosted.org/Flask-Mail/

邮箱配置

MAIL_SERVER = 'smtp.qq.com'  # 邮箱服务器地址
MAIL_PORT = 465  # 端口
MAIL_USE_TLS = True  # 使用tls协议
MAIL_USERNAME = '1460@qq.com'  # 邮箱
MAIL_PASSWORD = 'llahhie'  # 邮箱授权码
MAIL_DEFAULT_SENDER = '14609@qq.com'  # 默认发送者

from flask_sqlalchemy import SQLAlchemy
from flask_mail import Mail
db = SQLAlchemy()
mail = Mail()

发一封邮件测试一下

完成发送邮件功能

js

$(function () {
    $('#captcha-btn').click(function (event) {
        event.preventDefault();
        var email = $('input[name="email"]').val();
        console.log(email);
        if(!email){
            xtalert.alertInfoToast('请输入邮箱');
            return;
        }
        http.get({
            'url': '/cms/email_captcha/',
            'data': {
                'email': email
            },
            'success': function (data) {
                if(data['code'] == 200){
                    xtalert.alertSuccessToast('邮件发送成功，请注意查收');
                }else{
                    xtalert.alertInfo(data['message']);
                }
            },
            'fail': function (error) {
                xtalert.alertNetworkError();
            }
        });
    });
});

引用

视图

@bp.route('/email_captcha/')
def email_captcha():
    email = request.args.get('email')
    if not email:
        return restful.params_error('邮箱必填')
    # 验证码
    source = list(string.ascii_letters)  # ['a-z','A-Z']
    source.extend(map(lambda x: str(x), range(0, 10)))  # ['a-z','A-Z', '0-9']
    captcha = ''.join(random.sample(source, 6))  # 把随机取的6位列表转字符串当验证码
    message = Message('CMS验证码', recipients=[email], body=f'验证码为：{captcha}')
    try:
        mail.send(message)
    except:
        return restful.server_error()
    return restful.success()

触发