• SendMailUtil 邮件发送工具类


    public class SendMailUtil {

    @Value("${email.host}")
          private String HOST;// smtp服务器
    @Value("${email.from}")
    private String FROM;// 发件人地址
    //@Value("${email.to}")
    private String TO;// 收件人地址
    @Value("${email.affix}")
    private String AFFIX; // 附件地址
    @Value("${email.affixzip}")
    private String AFFIXZIP;// 打包后文件路径
    @Value("${email.user}")
    private String USER;// 用户名
    @Value("${email.pwd}")
    private String PWD;// 163的授权码
    //@Value("${email.subject}")
    private String SUBJECT; // 邮件标题
    String[] TOS = null;
    
    /*@Autowired
    private FileUtil fileUtil;*/
    
    private static Log logger = LogFactory.getLog(SendMailUtil.class);
    
    /**
     * 发送邮件
     * 
     * @param context     //邮件内容
     * @param TOReceiver   //收件人
     * @param subject   邮件主题
     * @param ifattachment 是否发送附件
     * @return 
     */
    public String send(String context,String TOReceiver,String subject,Boolean ifattachment) {
    	logger.info("开始发邮件");
    	Boolean ispackage=false;//默认不打包
    	TO = TOReceiver;
    	TOS = TO.split(",");
    	SUBJECT =subject;
    	Properties props = new Properties();
    	props.put("mail.smtp.host", HOST);// 设置发送邮件的邮件服务器的属性(这里使用网易的smtp服务器)
    	props.put("mail.smtp.auth", "true"); // 需要经过授权,也就是有户名和密码的校验,这样才能通过验证(一定要有这一条)
    	Session session = Session.getDefaultInstance(props);// 用props对象构建一个session
    	session.setDebug(true);
    	MimeMessage message = new MimeMessage(session);// 用session为参数定义消息对象
    	try {
    		message.setFrom(new InternetAddress(FROM));// 加载发件人地址
    		InternetAddress[] sendTo = new InternetAddress[TOS.length]; // 加载收件人地址
    		for (int i = 0; i < TOS.length; i++) {
    			sendTo[i] = new InternetAddress(TOS[i]);
    		}
    		message.addRecipients(Message.RecipientType.TO, sendTo);
    		message.addRecipients(MimeMessage.RecipientType.CC, InternetAddress.parse(FROM));// 设置在发送给收信人之前给自己(发送方)抄送一份,不然会被当成垃圾邮件,报554错
    		// message.setRecipient(MimeMessage.RecipientType.BCC, new InternetAddress("ff@receive.com", "USER_FF", "UTF-8")); //Bcc: 密送(可选)
    		//message.setSubject(toChinese(SUBJECT));// 加载标题
    		message.setSubject(SUBJECT);// 加载标题
    		Multipart multipart = new MimeMultipart();// 向multipart对象中添加邮件的各个部分内容,包括文本内容和附件
    		BodyPart contentPart = new MimeBodyPart();// 设置邮件的文本内容
    		contentPart.setText(context);
    		multipart.addBodyPart(contentPart);
    		// 判断是否添加附件
    		if (ifattachment) {
    			//在服务器路径AFFIX下,遍历所有文件
    			Enumeration<String> filesDir=null;
    			if (ispackage) {
    				//文件有打包路径的话去打包路径拿取打包文件添加到附件中
    				filesDir = FileUtils.readFilesDir(AFFIXZIP);
    			}else {
    				filesDir = FileUtils.readFilesDir(AFFIX);
    			}
    			
    			if (filesDir != null) {
    				while (filesDir.hasMoreElements()) {
    					BodyPart messageBodyPart = new MimeBodyPart();
    					String fileName = filesDir.nextElement().toString();
    					DataSource source = new FileDataSource(fileName);
    					messageBodyPart.setDataHandler(new DataHandler(source));// 添加附件的内容
    					//messageBodyPart.setFileName(toChinese(source.getName()));
    					messageBodyPart.setFileName(source.getName());
    					//messageBodyPart.setFileName(toChn(source.getName()));
    					multipart.addBodyPart(messageBodyPart);
    					logger.info("添加附件成功");
    				}
    			}
    		}
    		
    		message.setContent(multipart);// 将multipart对象放到message中
    		message.saveChanges(); // 保存邮件
    		Transport transport = session.getTransport("smtp");// 发送邮件
    		transport.connect(HOST, USER, PWD);// 连接服务器的邮箱
    		transport.sendMessage(message, message.getAllRecipients());// 把邮件发送出去
    		transport.close();// 关闭连接
    		if (ifattachment) {
    			FileUtils.delAllFile(AFFIX);
    		}
    	} catch (Exception e) {
    		logger.info("发送邮件失败");
    		e.printStackTrace();
    		throw new BaseException(ResponseEnum.RESPONSE_7.getCode(),ResponseEnum.RESPONSE_7.getMsg());
    	}
    	return ResponseEnum.RESPONSE_21.getCode();
    }
    
    public static String toChinese(String text) {
    	try {
    		text = MimeUtility.encodeText(new String(text.getBytes(), "GB2312"), "GB2312", "B");
    	} catch (Exception e) {
    		e.printStackTrace();
    	}
    	return text;
    }
    
    public static String toChn(String text) {
    	try {
    		text = MimeUtility.encodeText(text);
    	} catch (Exception e) {
    		e.printStackTrace();
    	}
    	return text;
    }
    
     public static void main(String[] args) {
    			 new SendMailUtil().send("<a href=\"http://www.baidu.cn\">baidu</a>","text/html;charset=gb2312","284350956@qq.com","ceshi",false);
    			}
    

    }

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  • 原文地址:https://www.cnblogs.com/jianzhixuan/p/13878242.html
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