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发送邮箱验证码(带html格式)_验证码邮件模板

验证码邮件模板

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>
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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);
    }
}
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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;
    }
}
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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();
        }
    }
}
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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 ;
    }
}
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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("restPassword:"+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("restPassword:"+email);
                break;
            default:
                break;
        }
        if(captchaCache != null){
            return captchaCache.equals(captcha);
        }
        return false;
    }
}
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