springboot郵件發送與接收讀取（真實使用）

時間 2019-11-05

原文原文鏈接

發送郵件 css

<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

郵件模板html

<!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>郵件消息通知</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>

模板實體類java

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 {

    //郵件的發送者
    @Value("${spring.mail.username}")
    private String from;

    //注入MailSender
    @Autowired
    private JavaMailSender mailSender;

    //發送郵件的模板引擎
    @Autowired
    private FreeMarkerConfigurer configurer;

    /**
     * @param params       發送郵件的主題對象 object
     * @param title        郵件標題
     * @param templateName 模板名稱
     * @param to 收件人地址
     * @param receipt 是否須要回執
     * @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) + "】");//郵件標題
        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);
    }
}

測試發送web

@RequestMapping(value = "/sendMessage", method = RequestMethod.GET)
   public void sendMailMessage() {
       MailMessage message = new MailMessage();
       message.setMessageCode("MissingParameter");
       message.setMessageStatus("Failed");
       message.setCause("缺乏參數,請確認");
       try {
        mailService.sendMessageMail(message, "測試消息通知", "message.ftl", "aaaaa@qq.com", true);
        } catch (Exception e) {
            e.printStackTrace();
        }
   }

讀取郵件spring

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 { 
            // 準備鏈接服務器的會話信息 
            Properties props = new Properties(); 
            props.setProperty("mail.store.protocol", "imap"); 
            props.setProperty("mail.imap.host", "imap.163.com"); 
            props.setProperty("mail.imap.port", "143"); 
             
            // 建立Session實例對象 
            Session session = Session.getInstance(props); 
             
            // 建立IMAP協議的Store對象 
            Store store = session.getStore("imap"); 
             
            // 鏈接郵件服務器 
           store.connect("username***", "password***"); 
            
            // 得到收件箱 
            Folder folder = store.getFolder("INBOX"); 
            // 以讀寫模式打開收件箱 
            folder.open(Folder.READ_WRITE); 
             
            // 得到收件箱的郵件列表 
            Message[] messages = folder.getMessages(); 
             
            // 打印不一樣狀態的郵件數量 
            System.out.println("收件箱中共" + messages.length + "封郵件!"); 
            System.out.println("收件箱中共" + folder.getUnreadMessageCount() + "封未讀郵件!"); 
            System.out.println("收件箱中共" + folder.getNewMessageCount() + "封新郵件!"); 
            System.out.println("收件箱中共" + folder.getDeletedMessageCount() + "封已刪除郵件!"); 
             
            System.out.println("------------------------開始解析郵件----------------------------------"); 
             
            
            int total = folder.getMessageCount();
            System.out.println("-----------------您的郵箱共有郵件：" + total + " 封--------------");
            // 獲得收件箱文件夾信息，獲取郵件列表
            Message[] msgs = folder.getMessages();
            System.out.println("\t收件箱的總郵件數：" + msgs.length);
            for (int i = 0; i < total; i++) {
                Message a = msgs[i];
                //   獲取郵箱郵件名字及時間

                System.out.println(a.getReplyTo());
                
                System.out.println("==============");
//                System.out.println(a.getSubject() + "   接收時間：" + a.getReceivedDate().toLocaleString()+"  contentType()" +a.getContentType());
            }
            System.out.println("\t未讀郵件數：" + folder.getUnreadMessageCount());
            System.out.println("\t新郵件數：" + folder.getNewMessageCount());
            System.out.println("----------------End------------------");
            
            
             
            // 關閉資源 
            folder.close(false); 
            store.close(); 
        } 

}

ssl方式讀取郵件服務器

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;

//查看收件箱郵件
public class ReadMailUtil {
    public static void main(String[] args) {
        //設置SSL鏈接、郵件環境
        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");
        //創建郵件會話
        Session session = Session.getInstance(props, null);
        //設置鏈接郵件倉庫的環境
        URLName url = new URLName("imap", "imap.partner.outlook.cn", 993, null, "username", "password");
        Store store = null;
        Folder inbox = null;
        try {
            //獲得郵件倉庫並鏈接
            store = session.getStore(url);
            store.connect();
            //獲得收件箱並抓取郵件
            inbox = store.getFolder("INBOX");  
            inbox.open(Folder.READ_WRITE);
            FetchProfile profile = new FetchProfile();
            profile.add(FetchProfile.Item.ENVELOPE);
            //false表明未讀，true表明已讀
            FlagTerm ft = new FlagTerm(new Flags(Flags.Flag.SEEN), false); 
            //根據設置好的條件獲取message 
            Message[] messages = inbox.search(ft);
//            Message[] messages = inbox.getMessages();
            inbox.fetch(messages, profile);
            int length = messages.length;
            System.out.println("收件箱的郵件數：" + length);
            System.out.println("-------------------------------------------\n");
            
　　　　　　　//遍歷收件箱、垃圾箱等名稱

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

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

for (int i = 0; i < length; i++) {
                String from = MimeUtility.decodeText(messages[i].getFrom()[0].toString());
                InternetAddress ia = new InternetAddress(from);
                System.out.println("發件人：" + ia.getPersonal() + '(' + ia.getAddress() + ')');
                System.out.println("主題：" + messages[i].getSubject());
                System.out.println("郵件發送時間:" + 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 類型列舉以下
* Flags.Flag.ANSWERED 郵件回覆標記，標識郵件是否已回覆。
* Flags.Flag.DELETED 郵件刪除標記，標識郵件是否須要刪除。
* Flags.Flag.DRAFT 草稿郵件標記，標識郵件是否爲草稿。
* Flags.Flag.FLAGGED 表示郵件是否爲回收站中的郵件。
* Flags.Flag.RECENT 新郵件標記，表示郵件是否爲新郵件。
* Flags.Flag.SEEN 郵件閱讀標記，標識郵件是否已被閱讀。
* Flags.Flag.USER 底層系統是否支持用戶自定義標記，只讀。
*/app

camera_shade_message.ftlsocket

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>監控通知</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>${userName!""}，您好！</p>
<p>
如下爲${cusnames!""}，${dataCycle!""} 明細：
</p>
</br>
<div>
    <table id="customers">
        <tr>
            <th>車牌號</th>
            <th>設備號</th>
            <th>監控週期</th>
            <th>客戶名稱</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>請查收</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);