使用Java实现给QQ邮箱发送验证码

1.给QQ邮箱发送字符串（验证码）

public class QQYte {public static void main(String[] args) {// 创建Properties 类用于记录邮箱的一些属性Properties props = new Properties();// 表示SMTP发送邮件，必须进行身份验证props.put("mail.smtp.auth", "true");//此处填写SMTP服务器props.put("mail.smtp.host", "smtp.qq.com");//端口号，QQ邮箱端口587props.put("mail.smtp.port", "587");// 此处填写，写信人的账号props.put("mail.user", "1781484543@qq.com");// 此处填写16位STMP口令props.put("mail.password", "nwjvnvkvlikjefdb");// 构建授权信息，用于进行SMTP进行身份验证Authenticator authenticator = new Authenticator() {protected PasswordAuthentication getPasswordAuthentication() {// 用户名、密码String userName = props.getProperty("mail.user");String password = props.getProperty("mail.password");return new PasswordAuthentication(userName, password);}};// 使用环境属性和授权信息，创建邮件会话Session mailSession = Session.getInstance(props, authenticator);// 创建邮件消息MimeMessage message = new MimeMessage(mailSession);// 设置发件人try {InternetAddress form = new InternetAddress(props.getProperty("mail.user"));message.setFrom(form);// 设置收件人的邮箱//InternetAddress to = new InternetAddress("xujr3@asiainfo.com"); 有多少个邮箱，发送给多少人//一般数组是不能够添加元素的  刚开始初始化的时候数组就已经规定好了长度//String[] strings = new String[]{"1781484543@qq.com","2385824854@qq.com","2498068709@qq.com","xujr3@asiainfo.com"};//使用list集合代替 数组方便又快捷   ArrayList本身是个数组（底层是用数组实现的）List<String> stringList = new ArrayList<>();stringList.add("1781484543@qq.com");//stringList.add("2385824854@qq.com");//stringList.add("2498068709@qq.com");stringList.add("xujr3@asiainfo.com");for (String s : stringList) {System.out.println("s = " + s);InternetAddress to2 = new InternetAddress(s);//message.setRecipient(RecipientType.TO, to);message.setRecipient(RecipientType.TO,to2);//使用UUID自动生成6位验证码String substring = UUID.randomUUID().toString();// 设置邮件标题message.setSubject("您的验证码信息如下");// 设置邮件的内容体message.setContent(substring, "text/html;charset=UTF-8");// 设置邮件消息内容、包含附件Multipart msgPart = new MimeMultipart();message.setContent(msgPart);MimeBodyPart body = new MimeBodyPart();//正文//MimeBodyPart attach = new MimeBodyPart();//附件msgPart.addBodyPart(body);//msgPart.addBodyPart(attach);//设置正文内容String uuid=UUID.randomUUID().toString();//body.setContent("记得观看哟，更多精彩视频请关注抖音：20762851861","text/html;charset=utf-8");body.setContent(uuid,"text/html;charset=utf-8");//设置附件内容//attach.setDataHandler(new DataHandler(new FileDataSource("C:\\Users\\17814\\Desktop\\商品表信息.xls")));//attach.setFileName((MimeUtility.encodeText("旅行视频合集.mp4")));message.saveChanges();//邮件的创建时间// message.setSentDate(new Date());// 最后当然就是发送邮件啦Transport.send(message);}} catch (MessagingException e) {e.printStackTrace();}
}
}

注意：以上也可实现附件的上传

2.发送Excel表格

public class Email {private static final Logger LOGGER = LoggerFactory.getLogger(Email.class);private static String defaultSenderName = "1781484543@qq.com";// 默认的发件人用户名，defaultEntity用得到
private static String defaultSenderPass = "eakkywepkedmehec";// 默认的发件人密码，defaultEntity用得到
private static String defaultSmtpHost = "";// 默认的邮件服务器地址，defaultEntity用得到private String smtpHost="smtp.qq.com"; // 邮件服务器地址
private Integer port;//邮件服务器端口号
private String sendUserName; // 发件人的用户名
private String sendUserPass; // 发件人密码private MimeMessage mimeMsg; // 邮件对象
private Session session;
private Properties props;
private Multipart mp;// 附件添加的组件
private List<FileDataSource> files = new LinkedList<FileDataSource>();// 存放附件文件private void init() {if (props == null) {props = System.getProperties();}props.setProperty("mail.smtp.host", smtpHost);props.setProperty("mail.smtp.auth", "true"); // 需要身份验证final String smtpPort = "587";props.setProperty("mail.smtp.port", smtpPort);props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");props.setProperty("mail.smtp.socketFactory.fallback", "false");props.setProperty("mail.smtp.socketFactory.port", smtpPort);session = Session.getInstance(props);// 置true可以在控制台（console)上看到发送邮件的过程session.setDebug(true);// 用session对象来创建并初始化邮件对象mimeMsg = new MimeMessage(session);// 生成附件组件的实例mp = new MimeMultipart();
}private Email(String smtpHost, Integer port, String sendUserName, String sendUserPass, String to, String cc, String mailSubject, String mailBody,List<String> attachments) {this.smtpHost = smtpHost;this.sendUserName = sendUserName;this.sendUserPass = sendUserPass;this.port = port;init();setFrom(sendUserName);setTo(to);setCC(cc);setBody(mailBody);setSubject(mailSubject);if (attachments != null) {for (String attachment : attachments) {addFileAffix(attachment);}}}/*** 邮件实体** @param smtpHost* 邮件服务器地址* @param sendUserName* 发件邮件地址* @param sendUserPass* 发件邮箱密码* @param to* 收件人，多个邮箱地址以半角逗号分隔* @param cc* 抄送，多个邮箱地址以半角逗号分隔* @param mailSubject* 邮件主题* @param mailBody*  邮件正文* @param attachments*  附件路径* @return*/
public static Email entity(String smtpHost,Integer port, String sendUserName, String sendUserPass, String to, String cc, String mailSubject, String mailBody,List<String> attachments) {return new Email(smtpHost,port, sendUserName, sendUserPass, to, cc, mailSubject, mailBody, attachments);
}/*** 默认邮件实体，用了默认的发送帐号和邮件服务器** @param to*            收件人，多个邮箱地址以半角逗号分隔* @param cc*            抄送，多个邮箱地址以半角逗号分隔* @param subject*            邮件主题* @param body*            邮件正文* @param attachments*            附件全路径* @return*/
public static Email defaultEntity(String to, String cc, String subject, String body, List<String> attachments) {return new Email(defaultSmtpHost,null, defaultSenderName, defaultSenderPass, to, cc, subject, body, attachments);
}/*** 设置邮件主题** @param mailSubject* @return*/
private boolean setSubject(String mailSubject) {try {mimeMsg.setSubject(mailSubject);} catch (Exception e) {return false;}return true;
}/*** 设置邮件内容,并设置其为文本格式或HTML文件格式，编码方式为UTF-8** @param mailBody* @return*/
private boolean setBody(String mailBody) {try {BodyPart bp = new MimeBodyPart();bp.setContent("<meta http-equiv=Content-Type content=text/html; charset=UTF-8>" + mailBody, "text/html;charset=UTF-8");// 在组件上添加邮件文本mp.addBodyPart(bp);} catch (Exception e) {System.err.println("设置邮件正文时发生错误！" + e);return false;}return true;
}/*** 添加一个附件** @param filename*            邮件附件的地址，只能是本机地址而不能是网络地址，否则抛出异常* @return*/
public boolean addFileAffix(String filename) {try {if (filename != null && filename.length() > 0) {BodyPart bp = new MimeBodyPart();FileDataSource fileds = new FileDataSource(filename);bp.setDataHandler(new DataHandler(fileds));bp.setFileName(MimeUtility.encodeText(fileds.getName(), "utf-8", null)); // 解决附件名称乱码mp.addBodyPart(bp);// 添加附件files.add(fileds);}} catch (Exception e) {System.err.println("增加邮件附件：" + filename + "发生错误！" + e);return false;}return true;
}/*** 删除所有附件** @return*/
public boolean delFileAffix() {try {FileDataSource fileds = null;for (Iterator<FileDataSource> it = files.iterator(); it.hasNext();) {fileds = it.next();if (fileds != null && fileds.getFile() != null) {fileds.getFile().delete();}}} catch (Exception e) {return false;}return true;
}/*** 设置发件人地址** @param from*            发件人地址* @return*/
private boolean setFrom(String from) {try {mimeMsg.setFrom(new InternetAddress(from));} catch (Exception e) {return false;}return true;
}/*** 设置收件人地址** @param to 收件人的地址* @return*/
private boolean setTo(String to) {if (to == null)return false;try {mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));} catch (Exception e) {return false;}return true;
}/*** 设置抄送** @param cc* @return*/
private boolean setCC(String cc) {if (cc == null) {return false;}try {mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc));} catch (Exception e) {return false;}return true;
}/*** 发送邮件** @return*/
public boolean send() throws Exception {mimeMsg.setContent(mp);//mimeMsg.saveChanges();System.out.println("正在发送邮件....");Transport transport = session.getTransport("smtp");

// 连接邮件服务器并进行身份验证
// transport.connect(smtpHost,port,sendUserName, sendUserPass);
// 发送邮件
//transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO));
System.out.println(“发送邮件成功！”);
transport.close();

    Transport.send(mimeMsg);System.out.println("发送邮件成功！");return true;
}public static String buildContent(List<Map<String,Object>> list) throws IOException {//加载邮件html模板   运行springBootApplication时才能够引用resource下的html模板String fileName = "pod-scale-alarm.html";String path = System.getProperty("user.dir")+ "\\student\\src\\main\\java\\com\\tjetc\\test01\\pod-scale-alarm.html";System.out.println("path = " + path);StringBuffer buff=new StringBuffer();InputStreamReader in=null;BufferedReader br=null;File file=new File(path);String line = "";try {//jdk中的输入输出流in=new InputStreamReader(new FileInputStream(file));br=new BufferedReader(in);while((line=br.readLine()) != null){//System.out.println(line);buff.append(line).append("\n");}} catch (FileNotFoundException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}finally{if(in!=null){try {in.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}if(br!=null){try {br.close();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}//InputStream inputStream = ClassLoader.getSystemResourceAsStream(path);BufferedReader fileReader = new BufferedReader(in);try {/*while ((line = fileReader.readLine()) != null) {buff.append(line);}*/} catch (Exception e) {LOGGER.error("读取文件失败，fileName:{}", fileName, e);} finally {//inputStream.close();fileReader.close();}String contentText = "以下是分销平台产品列表信息, 敬请查看.<br>below is the information of product list on those distribution platforms, please check. ";//邮件表格headerString header = "<td>产品名称</td><td>分销平台名称</td><td>分销平台产品类别</td><td>分销平台产品页URL</td><td>分销平台产品推广URL</td><td>推广url远程地址ip</td><td>分销平台产品页页数</td><td>上架时间</td><td>更新时间</td>";StringBuilder linesBuffer = new StringBuilder();if(list!=null&&list.size()>0) {list.forEach(map -> {linesBuffer.append("<tr><td>" + map.get("productName") +"</td><td>" + map.get("distributionPlatformName") +"</td><td>" + map.get("productType") +"</td><td>" + map.getOrDefault("distributionPlatformDetailUrl","无") +"</td><td>"+ map.getOrDefault("distributionPlatformProductUrl","无") +"</td><td>"+ map.getOrDefault("addressIp","无") +"</td><td>"+ map.getOrDefault("distributionPlatformPageNum","无") +"</td><td>"+ map.getOrDefault("onShelfTime","无") +"</td><td>" + map.getOrDefault("updateTime","无") + "</td></tr>");});}//颜色String emailHeadColor = "#fa5834";String date = DateFormatUtils.format(new Date(), "yyyy/MM/dd HH:mm:ss");//填充html模板中的五个参数String htmlText = MessageFormat.format(buff.toString(), emailHeadColor, contentText, date, header, linesBuffer.toString());//改变表格样式htmlText = htmlText.replaceAll("<td>", "<td  style=\"padding:6px 10px; line-height: 150%;border: 1px solid #eee; width: 100px; word-wrap: break-word;\">");htmlText = htmlText.replaceAll("<tr>", "<tr style=\"border-bottom: 1px solid #eee; color:#666;\">");return htmlText;
}public static String dddd(){String userName = "1781484543@qq.com"; // 发件人邮箱String password = "nwjvnvkvlikjefdb"; // 发件人密码(不是登录密码是授权码，需要到邮箱里设置开通授权码功能)String smtpHost = "smtp.exmail.qq.com"; // 邮件服务器Integer port = 465; // 邮件服务器端口号String to = "许稷荣"; // 收件人，多个收件人以半角逗号分隔String cc = "许稷荣"; // 抄送，多个抄送以半角逗号分隔String subject = "尊敬的自己请查看"; // 主题List<Map<String, Object>> list = new ArrayList<>();for(int i=0;i<10;i++){HashMap<String, Object> dateMap = new HashMap<>();dateMap.put("productName","魔域");dateMap.put("productType","页面网游");dateMap.put("distributionPlatformName","网游社区");dateMap.put("distributionPlatformDetailUrl","www.baidu.com");dateMap.put("addressIp","0.0.0.0");dateMap.put("distributionPlatformPageNum","1");dateMap.put("onShelfTime","2019-06-28");dateMap.put("updateTime","2019-06-28");list.add(dateMap);}String body = null; // 正文，可以用html格式的哟try {body = Email.buildContent(list);} catch (IOException e) {e.printStackTrace();}
// List<String> attachments = Arrays.asList("D:\\tmp\\1.png", "D:\\tmp\\2.png"); // 附件的路径，多个附件也不怕System.out.println("body = " + body);return body;//Email email = Email.entity(smtpHost,port, userName, password, to, cc, subject, body, null);//email.send(); // 发送！
}public static void main(String[] args) {// 创建Properties 类用于记录邮箱的一些属性Properties props = new Properties();// 表示SMTP发送邮件，必须进行身份验证props.put("mail.smtp.auth", "true");//此处填写SMTP服务器props.put("mail.smtp.host", "smtp.qq.com");//端口号，QQ邮箱端口587props.put("mail.smtp.port", "587");// 此处填写，写信人的账号props.put("mail.user", "1781484543@qq.com");// 此处填写16位STMP口令props.put("mail.password", "nwjvnvkvlikjefdb");// 构建授权信息，用于进行SMTP进行身份验证Authenticator authenticator = new Authenticator() {protected PasswordAuthentication getPasswordAuthentication() {// 用户名、密码String userName = props.getProperty("mail.user");String password = props.getProperty("mail.password");return new PasswordAuthentication(userName, password);}};// 使用环境属性和授权信息，创建邮件会话Session mailSession = Session.getInstance(props, authenticator);// 创建邮件消息MimeMessage message = new MimeMessage(mailSession);try {// 设置发件人InternetAddress form = new InternetAddress(props.getProperty("mail.user"));message.setFrom(form);// 设置收件人的邮箱InternetAddress to = new InternetAddress("xujr3@asiainfo.com");//InternetAddress to2 = new InternetAddress("1781484543@qq.com");// message.setRecipient(MimeMessage.RecipientType.TO, to2);message.setRecipient(Message.RecipientType.TO,to);//使用UUID自动生成6位验证码String substring = UUID.randomUUID().toString();// 设置邮件标题message.setSubject("来信啦");String str = Email.dddd();// 设置邮件的内容体message.setContent(str, "text/html;charset=UTF-8");// 设置邮件消息内容、包含附件/*Multipart msgPart = new MimeMultipart();message.setContent(msgPart);MimeBodyPart body = new MimeBodyPart();//正文MimeBodyPart attach = new MimeBodyPart();//附件msgPart.addBodyPart(body);msgPart.addBodyPart(attach);*///设置正文内容//body.setContent("商品信息见附件","text/html;charset=utf-8");//设置附件内容// attach.setDataHandler(new DataHandler(new FileDataSource("c:/Users/17814/Desktop/商品表信息.xls")));// attach.setFileName((MimeUtility.encodeText("商品表信息.xls")));message.saveChanges();//邮件的创建时间//message.setSentDate(new Date());// 最后当然就是发送邮件啦Transport.send(message);} catch (MessagingException e) {e.printStackTrace();}
}
}

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使用Java实现给QQ邮箱发送验证码

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