发送邮箱验证码(带html格式)

场景:用于用户注册、密码重置等。

1 . 邮件html模板 emailTemplet.html

<!DOCTYPE html> <html> <head> <meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″ /> <title></title> <meta charset=”utf-8″ /> </head> <body> <div class=”qmbox qm_con_body_content qqmail_webmail_only” id=”mailContentContainer” style=””> <style type=”text/css”> .qmbox body { margin: 0; padding: 0; background: #fff; font-family: “Verdana, Arial, Helvetica, sans-serif”; font-size: 14px; line-height: 24px; } .qmbox div, .qmbox p, .qmbox span, .qmbox img { margin: 0; padding: 0; } .qmbox img { border: none; } .qmbox .contaner { margin: 0 auto; } .qmbox .title { margin: 0 auto; background: url() #CCC repeat-x; height: 30px; text-align: center; font-weight: bold; padding-top: 12px; font-size: 16px; } .qmbox .content { margin: 4px; } .qmbox .biaoti { padding: 6px; color: #000; } .qmbox .xtop, .qmbox .xbottom { display: block; font-size: 1px; } .qmbox .xb1, .qmbox .xb2, .qmbox .xb3, .qmbox .xb4 { display: block; overflow: hidden; } .qmbox .xb1, .qmbox .xb2, .qmbox .xb3 { height: 1px; } .qmbox .xb2, .qmbox .xb3, .qmbox .xb4 { border-left: 1px solid #BCBCBC; border-right: 1px solid #BCBCBC; } .qmbox .xb1 { margin: 0 5px; background: #BCBCBC; } .qmbox .xb2 { margin: 0 3px; border-width: 0 2px; } .qmbox .xb3 { margin: 0 2px; } .qmbox .xb4 { height: 2px; margin: 0 1px; } .qmbox .xboxcontent { display: block; border: 0 solid #BCBCBC; border-width: 0 1px; } .qmbox .line { margin-top: 6px; border-top: 1px dashed #B9B9B9; padding: 4px; } .qmbox .neirong { padding: 6px; color: #666666; } .qmbox .foot { padding: 6px; color: #777; } .qmbox .font_darkblue { color: #006699; font-weight: bold; } .qmbox .font_lightblue { color: #008BD1; font-weight: bold; } .qmbox .font_gray { color: #888; font-size: 12px; } </style> <div class=”contaner”> <div class=”title”>$(title)</div> <div class=”content”> <p class=”biaoti”><b>亲爱的用户,你好!</b></p> <b class=”xtop”><b class=”xb1″></b><b class=”xb2″></b><b class=”xb3″></b><b class=”xb4″></b></b> <div class=”xboxcontent”> <div class=”neirong”> <p><b>请核对你的用户名:</b><span id=”userName” class=”font_darkblue”>$(userName)</span></p> <p><b>$(type)的验证码:</b><span class=”font_lightblue”><span id=”yzm” data=”$(captcha)” onclick=”return false;” t=”7″ style=”border-bottom: 1px dashed rgb(204, 204, 204); z-index: 1; position: static;”>$(captcha)</span></span><br><span class=”font_gray”>(请输入该验证码完成$(type),验证码30分钟内有效!)</span></p> <div class=”line”>如果你未申请$(type)服务,请忽略该邮件。</div> </div> </div> <b class=”xbottom”><b class=”xb4″></b><b class=”xb3″></b><b class=”xb2″></b><b class=”xb1″></b></b> <p class=”foot”>如果仍有问题,请拨打我们的会员服务专线: <span data=”800-820-5100″ onclick=”return false;” t=”7″ style=”border-bottom: 1px dashed rgb(204, 204, 204); z-index: 1; position: static;”>021-51875288 </span></p> </div> </div> <style type=”text/css”> .qmbox style, .qmbox script, .qmbox head, .qmbox link, .qmbox meta { display: none !important; } </style> </div> </body> </html>

2 . 验证码生成工具类 CaptchaUtils.java

import java.util.Random; public class CaptchaUtils { /** * Description:生成验证码 * @return * @return String * @author name:yuruixin <br>email: ruixin_yu@asdc.com.cn **/ public static String creatCaptcha(){ String captcha = captcha(6); return captcha; } /** * Description:生成随机数 * @param charCount * @return * @return String * @author name:yuruixin <br>email: ruixin_yu@asdc.com.cn **/ public static String captcha(int charCount){ String charValue = “”; for (int i = 0; i < charCount; i ) { char c = (char) (randomInt(0, 10) \\\’0\\\’); charValue = String.valueOf(c); } return charValue; } public static int randomInt(int from, int to) { Random r = new Random(); return from r.nextInt(to – from); } }

3 . 邮件详情实体类 EmailMailInfo.java

/** * ClassName: EmailMailInfo.java <br> * Description: <br> * Create by: name:yuxin <br>email: yuruixin_china@163.com <br> * Create Time: 2017年6月15日<br> */ public class EmailMailInfo { //邮箱服务器 如smtp.163.com private String host ; //用户邮箱 如**@163 private String formName ; //用户授权码 不是用户名密码 可以自行查看相关邮件服务器怎么查看 private String formPassword ; //消息回复邮箱 private String replayAddress ; //发送地址 private String toAddress ; //发送主题 private String subject ; //发送内容 private String content ; public String getHost() { return host; } public void setHost(String host) { this.host = host; } public String getFormName() { return formName; } public void setFormName(String formName) { this.formName = formName; } public String getFormPassword() { return formPassword; } public void setFormPassword(String formPassword) { this.formPassword = formPassword; } public String getReplayAddress() { return replayAddress; } public void setReplayAddress(String replayAddress) { this.replayAddress = replayAddress; } public String getToAddress() { return toAddress; } public void setToAddress(String toAddress) { this.toAddress = toAddress; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getContent() { return content; } public void setContent(String content) { this.content = content; } }

4 . email模板加载与获取

/** * ClassName: EmailTemplet.java <br> * Description: <br> * Create by: name:yuxin <br>email: yuruixin_china@163.com <br> * Create Time: 2017年6月15日<br> */ public class EmailTemplet { public static String getHtml(String title,String userName,String type,String captcha) { String emailTemplet = System.getProperty(“emailTemplet”); emailTemplet = emailTemplet.replace(“$(title)”, title); emailTemplet = emailTemplet.replace(“$(userName)”, userName); emailTemplet = emailTemplet.replace(“$(type)”, type); emailTemplet = emailTemplet.replace(“$(captcha)”, captcha); return emailTemplet; } /** * Description:容器初始化是加载 * @return void * @author name:yuxin <br>email: yuruixin_china@163.com **/ public static void initEmailTemplet() { String url = HospitalUtils.class.getResource(“/emailTemplet.html”) .getFile(); url = url.substring(1, url.length()); try { String encoding = “UTF-8”; File file = new File(url); if (file.isFile() && file.exists()) { // 判断文件是否存在 InputStreamReader read = new InputStreamReader( new FileInputStream(file), encoding);// 考虑到编码格式 BufferedReader bufferedReader = new BufferedReader(read); String lineTxt = null; StringBuilder sb = new StringBuilder(); while ((lineTxt = bufferedReader.readLine()) != null) { System.out.println(lineTxt); sb.append(lineTxt); } System.setProperty(“emailTemplet”, sb.toString()); read.close(); } else { System.out.println(“找不到指定的文件”); } } catch (Exception e) { System.out.println(“读取文件内容出错”); e.printStackTrace(); } } }

5 . 邮件发送工具类 EmailSendUtil.java

import java.util.Date; import java.util.Properties; import javax.mail.Authenticator; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.Multipart; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; public class EmailSendUtil { private final static String host = “smtp.exmail.qq.com”; //163的服务器 private final static String formName = “support@allin-hr.com”;//你的邮箱 private final static String password = “******”; //授权码 private final static String replayAddress = “support@allin-hr.com”; //你的邮箱 public static void sendHtmlMail(EmailMailInfo info)throws Exception{ info.setHost(host); info.setFormName(formName); info.setFormPassword(password); //网易邮箱的授权码~不一定是密码 info.setReplayAddress(replayAddress); Message message = getMessage(info); // MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象 Multipart mainPart = new MimeMultipart(); // 创建一个包含HTML内容的MimeBodyPart BodyPart html = new MimeBodyPart(); // 设置HTML内容 html.setContent(info.getContent(), “text/html; charset=utf-8”); mainPart.addBodyPart(html); // 将MiniMultipart对象设置为邮件内容 message.setContent(mainPart); Transport.send(message); } public static void sendTextMail(EmailMailInfo info) throws Exception { info.setHost(host); info.setFormName(formName); info.setFormPassword(password); //网易邮箱的授权码~不一定是密码 info.setReplayAddress(replayAddress); Message message = getMessage(info); //消息发送的内容 message.setText(info.getContent()); Transport.send(message); } private static Message getMessage(EmailMailInfo info) throws Exception{ final Properties p = System.getProperties() ; p.setProperty(“mail.smtp.host”, info.getHost()); p.setProperty(“mail.smtp.auth”, “true”); p.setProperty(“mail.smtp.user”, info.getFormName()); p.setProperty(“mail.smtp.pass”, info.getFormPassword()); // 根据邮件会话属性和密码验证器构造一个发送邮件的session Session session = Session.getInstance(p, new Authenticator(){ protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(p.getProperty(“mail.smtp.user”),p.getProperty(“mail.smtp.pass”)); } }); session.setDebug(true); Message message = new MimeMessage(session); //消息发送的主题 message.setSubject(info.getSubject()); //接受消息的人 message.setReplyTo(InternetAddress.parse(info.getReplayAddress())); //消息的发送者 message.setFrom(new InternetAddress(p.getProperty(“mail.smtp.user”),”神鲸系统”)); // 创建邮件的接收者地址,并设置到邮件消息中 message.setRecipient(Message.RecipientType.TO,new InternetAddress(info.getToAddress())); // 消息发送的时间 message.setSentDate(new Date()); return message ; } }

6 . 验证码发送邮件工具类 EMailUtil.java

import javax.servlet.http.HttpSession; /** * ClassName: EMailUtil.java <br> * Description: <br> * Create by: name:yuxin <br>email: yuruixin_china@163.com <br> * Create Time: 2017年6月15日<br> */ public class EMailUtil { /** * Description:发送注册邮件 * @param email * @param session * @return * @return String * @author name:yuxin <br>email: yuruixin_china@163.com **/ public static String sendForReg(String email,HttpSession session) { String captcha = CaptchaUtils.creatCaptcha(); session.setAttribute(“reg:” email, captcha); String title = “用户注册”; String content = EmailTemplet.getHtml(title, email, title, captcha); EmailMailInfo info = new EmailMailInfo(); info.setToAddress(email); info.setSubject(title); info.setContent(content); try { // MailSendUtil.sendTextMail(info); EmailSendUtil.sendHtmlMail(info); } catch (Exception e) { System.out.print(“\\\'” title “\\\’的邮件发送失败!”); e.printStackTrace(); } return captcha; } /** * Description:发送密码重置邮件 * @param email * @param session * @return * @return String * @author name:yuxin <br>email: yuruixin_china@163.com **/ public static String sendForResetPassword(String email,HttpSession session) { String captcha = CaptchaUtils.creatCaptcha(); session.setAttribute(“rest” email, captcha); String title = “密码重置”; String content = EmailTemplet.getHtml(title, email, title, captcha); EmailMailInfo info = new EmailMailInfo(); info.setToAddress(email); info.setSubject(title); info.setContent(content); try { // MailSendUtil.sendTextMail(info); EmailSendUtil.sendHtmlMail(info); } catch (Exception e) { System.out.print(“\\\'” title “\\\’的邮件发送失败!”); e.printStackTrace(); } return captcha; } /** * Description:校验验证码 * @param email * @param captcha * @param session * @return * @return boolean * @author name:yuxin <br>email: yuruixin_china@163.com **/ public static boolean checkCaptcha(String email,String type,String captcha,HttpSession session){ String captchaCache = null; switch (type) { case “reg”: captchaCache = (String) session.getAttribute(“reg:” email); break; case “restPassword”: captchaCache = (String) session.getAttribute(“rest” email); break; default: break; } if(captchaCache != null){ return captchaCache.equals(captcha); } return false; } }

 

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