springboot邮件发送与接收读取

时间：2023-03-09 05:29:04
springboot邮件发送与接收读取

发送邮件

<dependency>

           <groupId>org.springframework.boot</groupId>

           <artifactId>spring-boot-starter-freemarker</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-mail</artifactId>

        </dependency>

<dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>
spring:

  mail:

    port: 25

    username: ****

    password: ****

    protocol: smtp

    default-encoding: utf-8

    host: smtp.partner.outlook.cn

    properties:

            mail:

                smtp:

                    auth: true

                    starttls:

                        enable: true

                        required: true

邮件模板

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title>消息通知</title>

</head>

<style type="text/css">

    table {

        font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;

        width: 100%;

        border-collapse: collapse;

    }

    td, th {

        font-size: 1em;

        border: 1px solid #5B4A42;

        padding: 3px 7px 2px 7px;

    }

    th {

        font-size: 1.1em;

        text-align: center;

        padding-top: 5px;

        padding-bottom: 4px;

        background-color: #24A9E1;

        color: #ffffff;

    }

</style>

<body>

  <img src="" alt="" style="display: inline-block;width: 0;height: 0"/>

<div>

    <h2>邮件消息通知</h2>

    <table id="customers">

        <tr>

            <th>MessageCode</th>

            <th>MessageStatus</th>

            <th>Cause</th>

        </tr>

        <tr>

            <td>${(params.messageCode)!""}</td>

            <td>${(params.messageStatus)!""}</td>

            <td>${(params.cause)!""}</td>

        </tr>

    </table>

</div>

</body>

</html>

模板实体类

public class MailMessage {

    private String messageCode;

    private String messageStatus;

    private String cause;

    public String getMessageCode() {

        return messageCode;

    }

    public void setMessageCode(String messageCode) {

        this.messageCode = messageCode;

    }

    public String getMessageStatus() {

        return messageStatus;

    }

    public void setMessageStatus(String messageStatus) {

        this.messageStatus = messageStatus;

    }

    public String getCause() {

        return cause;

    }

    public void setCause(String cause) {

        this.cause = cause;

    }

}
import java.time.LocalDate;

import java.time.LocalTime;

import java.util.HashMap;

import java.util.Map;

import javax.mail.MessagingException;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.mail.javamail.JavaMailSender;

import org.springframework.mail.javamail.MimeMessageHelper;

import org.springframework.stereotype.Service;

import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;

import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;

import freemarker.template.Template;

@Service

public class MailService {

    //邮件的发送者

    @Value("${spring.mail.username}")

    private String from;

    //注入MailSender

    @Autowired

    private JavaMailSender mailSender;

    //发送邮件的模板引擎

    @Autowired

    private FreeMarkerConfigurer configurer;

    /**

     * @param params       发送邮件的主题对象 object

     * @param title        邮件标题

     * @param templateName 模板名称

     * @param to 收件人地址

     * @param receipt 是否需要回执

     * @throws MessagingException

     * @throws Exception

     */

    public void sendMessageMail(Object params, String title, String templateName, String to, boolean receipt) throws Exception{

        MimeMessage mimeMessage = mailSender.createMimeMessage();

        if(receipt) {

            mimeMessage.setHeader("Disposition-Notification-To", "1");

        }

        mimeMessage.setContentID(System.currentTimeMillis()+"");

        MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);

        helper.setFrom(from);

        helper.setTo(InternetAddress.parse(to));

        helper.setSubject("【" + title + "-" + LocalDate.now() + " " + LocalTime.now().withNano(0) + "】");//邮件标题

        Map<String, Object> model = new HashMap<>();

        model.put("params", params);

        Template template = configurer.getConfiguration().getTemplate(templateName);

        String text = FreeMarkerTemplateUtils.processTemplateIntoString(template, model);

        helper.setText(text, true);

        System.out.println(mimeMessage.getContentID());

        mailSender.send(mimeMessage);

    }

}

测试发送

@RequestMapping(value = "/sendMessage", method = RequestMethod.GET)

   public void sendMailMessage() {

       MailMessage message = new MailMessage();

       message.setMessageCode("MissingParameter");

       message.setMessageStatus("Failed");

       message.setCause("缺少参数,请确认");

       try {

        mailService.sendMessageMail(message, "测试消息通知", "message.ftl", "aaaaa@qq.com", true);

        } catch (Exception e) {

            e.printStackTrace();

        }

   }

读取邮件

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.Properties;

import javax.mail.Folder;

import javax.mail.Message;

import javax.mail.Session;

import javax.mail.Store;

import javax.mail.internet.MimeUtility;

import com.sun.mail.imap.IMAPMessage;

public class ReciveIMAPmail {

     public static void main(String[] args) throws Exception {

            // 准备连接服务器的会话信息

            Properties props = new Properties();

            props.setProperty("mail.store.protocol", "imap");

            props.setProperty("mail.imap.host", "imap.163.com");

            props.setProperty("mail.imap.port", "143"); 

            // 创建Session实例对象

            Session session = Session.getInstance(props); 

            // 创建IMAP协议的Store对象

            Store store = session.getStore("imap"); 

            // 连接邮件服务器

           store.connect("username***", "password***"); 

            // 获得收件箱

            Folder folder = store.getFolder("INBOX");

            // 以读写模式打开收件箱

            folder.open(Folder.READ_WRITE); 

            // 获得收件箱的邮件列表

            Message[] messages = folder.getMessages(); 

            // 打印不同状态的邮件数量

            System.out.println("收件箱*" + messages.length + "封邮件!");

            System.out.println("收件箱*" + folder.getUnreadMessageCount() + "封未读邮件!");

            System.out.println("收件箱*" + folder.getNewMessageCount() + "封新邮件!");

            System.out.println("收件箱*" + folder.getDeletedMessageCount() + "封已删除邮件!"); 

            System.out.println("------------------------开始解析邮件----------------------------------"); 

            int total = folder.getMessageCount();

            System.out.println("-----------------您的邮箱共有邮件：" + total + " 封--------------");

            // 得到收件箱文件夹信息，获取邮件列表

            Message[] msgs = folder.getMessages();

            System.out.println("\t收件箱的总邮件数：" + msgs.length);

            for (int i = 0; i < total; i++) {

                Message a = msgs[i];

                //   获取邮箱邮件名字及时间

                System.out.println(a.getReplyTo());

                System.out.println("==============");

//                System.out.println(a.getSubject() + "   接收时间：" + a.getReceivedDate().toLocaleString()+"  contentType()" +a.getContentType());

            }

            System.out.println("\t未读邮件数：" + folder.getUnreadMessageCount());

            System.out.println("\t新邮件数：" + folder.getNewMessageCount());

            System.out.println("----------------End------------------");

            // 关闭资源

            folder.close(false);

            store.close();

        } 

}

ssl方式读取邮件

import java.security.Security;

import java.text.SimpleDateFormat;

import java.util.Properties;

import javax.mail.FetchProfile;

import javax.mail.Flags;

import javax.mail.Folder;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Session;

import javax.mail.Store;

import javax.mail.URLName;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeUtility;

import javax.mail.search.FlagTerm;

//查看收件箱邮件

public class ReadMailUtil {

    public static void main(String[] args) {

        //设置SSL连接、邮件环境

        Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

        final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";

        Properties props = System.getProperties();

        props.setProperty("mail.imap.host", "imap.partner.outlook.cn");

        props.setProperty("mail.imap.socketFactory.class", SSL_FACTORY);

        props.setProperty("mail.imap.socketFactory.fallback", "false");

        props.setProperty("mail.imap.port", "993");

        props.setProperty("mail.imap.socketFactory.port", "993");

        props.setProperty("mail.imap.auth", "true");

        //建立邮件会话

        Session session = Session.getInstance(props, null);

        //设置连接邮件仓库的环境

        URLName url = new URLName("imap", "imap.partner.outlook.cn", 993, null, "username", "password");

        Store store = null;

        Folder inbox = null;

        try {

            //得到邮件仓库并连接

            store = session.getStore(url);

            store.connect();

            //得到收件箱并抓取邮件

            inbox = store.getFolder("INBOX");

            inbox.open(Folder.READ_WRITE);

            FetchProfile profile = new FetchProfile();

            profile.add(FetchProfile.Item.ENVELOPE);

            //false代表未读，true代表已读

            FlagTerm ft = new FlagTerm(new Flags(Flags.Flag.SEEN), false);

            //根据设置好的条件获取message

            Message[] messages = inbox.search(ft);

//            Message[] messages = inbox.getMessages();

            inbox.fetch(messages, profile);

            int length = messages.length;

            System.out.println("收件箱的邮件数：" + length);

            System.out.println("-------------------------------------------\n");

　　　　　　　//遍历收件箱、垃圾箱等名称

Folder defaultFolder = store.getDefaultFolder();
              Folder[] folders = defaultFolder.list();

for (int i = 0; i < folders.length; i++) {
                  System.out.println("名称："+folders[i].getName());
              }

for (int i = 0; i < length; i++) {

                String from = MimeUtility.decodeText(messages[i].getFrom()[0].toString());

                InternetAddress ia = new InternetAddress(from);

                System.out.println("发件人：" + ia.getPersonal() + '(' + ia.getAddress() + ')');

                System.out.println("主题：" + messages[i].getSubject());

                System.out.println("邮件发送时间:" + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(messages[i].getSentDate()));

                System.out.println("-------------------------------------------\n");

                messages[i].setFlag(Flags.Flag.SEEN, true);

            }

        } catch (Exception e) {

            e.printStackTrace();

        } finally {

            try {

                if(inbox != null) {

                    inbox.close(false);

                }

            } catch (MessagingException e) {

                e.printStackTrace();

            }

            try {

                if(store != null) {

                    store.close();

                }

            } catch (MessagingException e) {

                e.printStackTrace();

            }

        }

    }

}

/**
* Flag 类型列举如下
* Flags.Flag.ANSWERED 邮件回复标记，标识邮件是否已回复。
* Flags.Flag.DELETED 邮件删除标记，标识邮件是否需要删除。
* Flags.Flag.DRAFT 草稿邮件标记，标识邮件是否为草稿。
* Flags.Flag.FLAGGED 表示邮件是否为回收站中的邮件。
* Flags.Flag.RECENT 新邮件标记，表示邮件是否为新邮件。
* Flags.Flag.SEEN 邮件阅读标记，标识邮件是否已被阅读。
* Flags.Flag.USER 底层系统是否支持用户自定义标记，只读。
*/

camera_shade_message.ftl

<!DOCTYPE html>

<html>

<head>

    <meta charset="UTF-8">

    <title>监控通知</title>

</head>

<style type="text/css">

    table {

        font-family: "Trebuchet MS", Arial, Helvetica, sans-serif;

        width: 100%;

        border-collapse: collapse;

    }

    td, th {

        font-size: 1em;

        border: 1px solid #5B4A42;

        padding: 3px 7px 2px 7px;

    }

    th {

        font-size: 1.1em;

        text-align: center;

        padding-top: 5px;

        padding-bottom: 4px;

        background-color: #24A9E1;

        color: #ffffff;

    }

</style>

<body>

<p>${userName!""}，您好！</p>

<p>

以下为${cusnames!""}，${dataCycle!""} 明细：

</p>

</br>

<div>

    <table id="customers">

        <tr>

            <th>车牌号</th>

            <th>设备号</th>

            <th>监控周期</th>

            <th>客户名称</th>

        </tr>

      <#list datas as item>

            <tr>

                <td>${item.carnum!""}</td>

                <td>${item.gpsno!""}</td>

                <td>${item.dataCycle!""}</td>

                <td>${item.cusname!""}</td>

            </tr>

        </#list>   

    </table>

</div>

<p>请查收</p>

</body>

</html>
Map<String, Object> map = new HashMap<>();

map.put("datas", list);
map.put("controllerName", mailNoticeReq.getControllerName());

mailService.sendMessageMail(map, mailNoticeDetail.getTitle(), "camera_shade_message.ftl", mailNoticeDetail.getReceiver(), true);

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