java 实现发送邮箱，复制即用，包含邮箱设置第三方登录授权码获取方法

た入场券 2024-02-18 13:03 47阅读 0赞

application.yml

spring:
      profiles:
        active: dev
    #    active: test
        #邮件附件上传文件大小限制
      servlet:
        multipart:
          max-file-size: 50MB  #单个文件大小限制
          max-request-size: 100MB #总文件大小限制（允许存储文件的文件夹大小）
      mail:
        default-encoding: UTF-8
        host: smtp.qq.com
        username: xxxxxxx@qq.com
        password: xxxxxxxxx#邮箱设置第三方登录授权码
        test-connection: false
        properties:
          mail.smtp.auth: true

### 邮箱设置第三方登录授权码获取 ###

[ 邮箱设置第三方登录授权码获取![icon-default.png?t=N7T8][icon-default.png_t_N7T8]https://blog.csdn.net/xnian\_/article/details/134515274?csdn\_share\_tail=%7B%22type%22%3A%22blog%22%2C%22rType%22%3A%22article%22%2C%22rId%22%3A%22134515274%22%2C%22source%22%3A%22xnian\_%22%7D][_icon-default.png_t_N7T8_icon-default.png_t_N7T8_https_blog.csdn.net_xnian_article_details_134515274_csdn_share_tail_7B_22type_22_3A_22blog_22_2C_22rType_22_3A_22article_22_2C_22rId_22_3A_22134515274_22_2C_22source_22_3A_22xnian_22_7D]

package com.cloud.xxx.utils;
    
    import lombok.extern.slf4j.Slf4j;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.context.annotation.Configuration;
    import org.springframework.mail.javamail.JavaMailSender;
    import org.springframework.mail.javamail.MimeMessageHelper;
    import org.springframework.stereotype.Component;
    import org.springframework.stereotype.Service;
    
    import javax.annotation.Resource;
    import java.security.Security;
    import java.util.Date;
    import java.util.Properties;
    
    import javax.mail.*;
    import javax.mail.internet.InternetAddress;
    import javax.mail.internet.MimeMessage;
    
    @Slf4j
    @Service
    public class MailServiceUtil {
    
        @Resource
        private JavaMailSender javaMailSender;
    
        /**
         * 发件人的邮箱地址<br>
         * 即我们配置的邮件服务的邮箱
         */
        @Value("${spring.mail.username}")
        private String serverMail;
    
        @Value("${spring.mail.password}")
        private String password;
    
        @Value("${spring.mail.host}")
        private String host;
    
    
    
        /**
         * 发送邮件
         *
         * @param toUser  收件人邮件地址
         * @param subject 标题
         * @param text    正文
         */
        public boolean sendMail(String toUser, String subject, String text) {
            try {
                MimeMessage message = javaMailSender.createMimeMessage();
    
                MimeMessageHelper helper = new MimeMessageHelper(message, true);
                helper.setFrom(serverMail);
                helper.setTo(toUser.split(","));
                helper.setSubject(subject);
                helper.setText(text, true);
    
                javaMailSender.send(message);
    
                log.info("发送邮件to:{},主题：{},内容：{}", toUser, subject, text);
            } catch (Exception e) {
                log.error("sendMail ", e);
    
                return Boolean.FALSE;
            }
    
            return Boolean.TRUE;
    
        }
        /**
         * 使用加密的方式,利用 587 端口进行传输邮件,开启ssl
         * @param to    收件人邮箱
         * @param message    邮件正文
         * @param title 邮件标题
         */
        public  boolean sendMail587(String to, String title, String message) {
            try {
                Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
                final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
                //设置邮件会话参数
                Properties props = new Properties();
                //邮箱的发送服务器地址
                props.setProperty("mail.smtp.host", host);
                props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);
                props.setProperty("mail.smtp.socketFactory.fallback", "false");
                //邮箱发送服务器端口,这里设置为 587 端口
                props.setProperty("mail.smtp.port", "587");
                props.setProperty("mail.smtp.socketFactory.port", "587");
                props.put("mail.smtp.auth", "true");
                //获取到邮箱会话,利用匿名内部类的方式,将发送者邮箱用户名和密码授权给jvm
                Session session = Session.getDefaultInstance(props, new Authenticator() {
                    protected PasswordAuthentication getPasswordAuthentication() {
                        return new PasswordAuthentication(serverMail, password);
                    }
                });
                //通过会话,得到一个邮件,用于发送
                Message msg = new MimeMessage(session);
                //设置发件人
                msg.setFrom(new InternetAddress(serverMail));
                //设置收件人,to为收件人,cc为抄送,bcc为密送
                msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to, false));
    //            msg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(to, false));
    //            msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(to, false));
    
                // 设置邮件标题
                msg.setSubject(title);
                //设置发送的日期
                msg.setSentDate(new Date());
                /*//设置邮件消息
                msg.setText(message);*/
                // 设置邮件的内容体
                msg.setContent(message, "text/html;charset=UTF-8");
                //调用Transport的send方法去发送邮件
                Transport.send(msg);
    
            } catch (Exception e) {
                log.error("sendMail ", e);
                return Boolean.FALSE;
            }
            return Boolean.TRUE;
    
        }
    }

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[_icon-default.png_t_N7T8_icon-default.png_t_N7T8_https_blog.csdn.net_xnian_article_details_134515274_csdn_share_tail_7B_22type_22_3A_22blog_22_2C_22rType_22_3A_22article_22_2C_22rId_22_3A_22134515274_22_2C_22source_22_3A_22xnian_22_7D]: https://image.dandelioncloud.cn/pgy_files/images/2024/02/18/9adb600d49314de8999bd3588e5ce63b.png