imap协议查询邮件

spring.mail.host=imap.qq.com
spring.mail.port=993
spring.mail.protocol=imap
spring.mail.username=10086@qq.com
spring.mail.password=1234

@Value("${spring.mail.host}")
private String MAIL_HOST;

@Value("${spring.mail.port}")
private String MAIL_PORT;

@Value("${spring.mail.protocol}")
private String MAIL_PROTOCOL;

@Value("${spring.mail.username}")
private String MAIL_USERNAME;

@Value("${spring.mail.password}")
private String MAIL_PASSWORD;

public static void main(String[] args) throws Exception {
    Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
    final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";//ssl加密
    // 准备连接服务器的会话信息
    Properties props = new Properties();
    props.setProperty("mail.imap.socketFactory.class", SSL_FACTORY);
    props.setProperty("mail.imap.socketFactory.fallback", "false");
    props.setProperty("mail.store.protocol", "imap");
    props.setProperty("mail.imap.host", "imap.qq.com");
    props.setProperty("mail.imap.port", "993");

    Session session = Session.getInstance(props);    // 创建Session实例对象
    Store store = session.getStore("imap"); // 创建IMAP协议的Store对象
    store.connect(myEmailAccount, myEmailPassword);  // 连接邮件服务器
    // 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("收件箱中共" + messages.length + "封邮件!");
    System.out.println("收件箱中共" + folder.getUnreadMessageCount() + "封未读邮件!");
    System.out.println("收件箱中共" + folder.getNewMessageCount() + "封新邮件!");
    System.out.println("收件箱中共" + folder.getDeletedMessageCount() + "封已删除邮件!");

    int total = folder.getMessageCount();
    // 得到收件箱文件夹信息，获取邮件列表
    Message[] msgs = folder.getMessages();
    for (int i = 0; i < total; i++) {

        MimeMessage message = (MimeMessage) messages[i];
        if (EmptyOrNull.isEmpty(message.getFlags().toString())) {
            System.out.println(message.getSubject() + "   接收时间：" + message.getReceivedDate().toLocaleString());
        }
    }
    // 关闭资源
    folder.close(false);
    store.close();
}