JavaMail--群发HTML邮件

来源：互联网发布：dz论坛seo 编辑：程序博客网时间：2024/05/31 19:41
上一篇博客将的是emailHtml来发送html格式的邮件，那么现在我们就用javaMail来群发一份html格式的邮件
package com.tgb.email;import java.io.UnsupportedEncodingException;import java.util.ArrayList;import java.util.Date;import java.util.List;import java.util.Properties;import javax.activation.DataHandler;import javax.activation.FileDataSource;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Multipart;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.AddressException;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;import javax.mail.internet.MimeUtility;public class MailUtils {    private static String host;    private static String username;    private static String password;    private static String from;    private static String nick;    static {        try {            // Test Data            host = "smtp.163.com";            username = "***@163.com"; //用户名，一般就是咱们的邮箱地址            password = "***";          //登陆密码            //nick + from 组成邮箱的发件人信息            from = "****@163.com";     //邮箱账号            nick = "ermu测试邮件";          //发件人名称            } catch (Exception e) {            e.printStackTrace();        }    }    /**     * 发送邮件     *      * @param to     *            收件人列表，以","分割     * @param subject     *            标题     * @param body     *            内容     * @param filepath     *            附件列表,无附件传递null     * @return     * @throws MessagingException     * @throws AddressException     * @throws UnsupportedEncodingException     */    public static boolean sendMail(String to, String subject, String body)            throws AddressException, MessagingException,            UnsupportedEncodingException {        // 参数修饰        if (body == null) {            body = "";        }        if (subject == null) {            subject = "无主题";        }        // 创建Properties对象        Properties props = System.getProperties();        // 创建信件服务器        props.put("mail.smtp.host", host);        props.put("mail.smtp.auth", "true"); // 通过验证        // 得到默认的对话对象        Session session = Session.getDefaultInstance(props, null);        // 创建一个消息，并初始化该消息的各项元素        MimeMessage msg = new MimeMessage(session);        nick = MimeUtility.encodeText(nick);        msg.setFrom(new InternetAddress(nick + "<" + from + ">"));        msg.setText(body, "UTF-8");        // 创建收件人列表        if (to != null && to.trim().length() > 0) {            String[] arr = to.split(",");            int receiverCount = arr.length;            if (receiverCount > 0) {                InternetAddress[] address = new InternetAddress[receiverCount];                for (int i = 0; i < receiverCount; i++) {                    address[i] = new InternetAddress(arr[i]);                }                msg.addRecipients(Message.RecipientType.TO, address);                msg.setSubject(subject);                // 后面的BodyPart将加入到此处创建的Multipart中                //设置html内容                //MimeMultipart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                MimeBodyPart messageBodyPart = new MimeBodyPart();                msg.setContent(mainPart);                //设置HTML内容                messageBodyPart.setContent(body,"text/html; charset=utf-8");                mainPart.addBodyPart(messageBodyPart);                //将MimeMultipart对象设置为邮件内容                   msg.setContent(mainPart);                 Transport transport = session.getTransport("smtp");                transport.connect(host, username, password);                transport.sendMessage(msg,                        msg.getRecipients(Message.RecipientType.TO));                transport.close();                return true;            } else {                System.out.println("None receiver!");                return false;            }        } else {            System.out.println("None receiver!");            return false;        }    }    public static void main(String[] args) throws AddressException,            UnsupportedEncodingException, MessagingException {        StringBuffer demo = new StringBuffer();          demo.append("<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">")          .append("<html>")          .append("<head>")          .append("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">")          .append("<title>测试邮件</title>")          .append("<style type=\"text/css\">")          .append(".test{font-family:\"Microsoft Yahei\";font-size: 18px;color: red;}")          .append("</style>")          .append("</head>")          .append("<body>")          .append("<span class=\"test\">大家好，这里是测试Demo</span>")          .append("</body>")          .append("</html>");          sendMail("280989974@qq.com,ermuv5@163.com", "实习验收", demo.toString());    }}
javaMail实现
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