利用JavaMail发送HTML模板邮件利用JavaMail发送HTML模板邮件

本文实例为大家分享了用JavaMail发送HTML模板邮件的具体代码，供大家参考，具体内容如下
依赖

org.jsoupjsoup1.10.3javax.mailmail1.4.1

工具类

package test.email; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.Reader; import java.util.Date; import java.util.Properties; import javax.mail.Message; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * 发送邮件工具类 */public class MailUtil {private final static Logger logger = LoggerFactory.getLogger(MailUtil.class); /*** 邮件发送* @param mailHost 邮件服务地址* @param fromMail 发件人* @param fromName 发件人名* @param fromMailPwd 发件人密码* @param toMails 收件人，多个用英文逗号分隔* @param mailTitle 邮件标题* @param mailContent 邮件内容* @throws Exception*/public static void sendMail(String mailHost, String fromMail, String fromName, String fromMailPwd,String toMails, String mailTitle, String mailContent) throws Exception {String[] toMailArr = null; if (toMails != null && !toMails.equals("")) {toMailArr = toMails.split(","); } else {throw new Exception("邮件发送人不能为空"); }// 邮件属性信息Properties props = new Properties(); props.put("mail.host", mailHost); props.put("mail.transport.protocol", "smtp"); props.put("mail.smtp.auth", "true"); Session session = Session.getInstance(props); // 根据属性新建一个邮件会话//session.setDebug(true); // 是否打印调试信息toMailArr = toMails.split(","); for (String to : toMailArr) {MimeMessage message = new MimeMessage(session); // 由邮件会话新建一个消息对象message.setFrom(new InternetAddress(fromMail)); // 设置发件人的地址message.setRecipient(Message.RecipientType.TO, new InternetAddress(to, fromName)); // 设置收件人,并设置其接收类型为TOmessage.setSubject(mailTitle); // 设置标题message.setContent(mailContent, "text/html; charset=UTF-8"); // 设置邮件内容类型为htmlmessage.setSentDate(new Date()); // 设置发信时间message.saveChanges(); // 存储邮件信息// 发送邮件Transport transport = session.getTransport(); transport.connect(fromMail, fromMailPwd); transport.sendMessage(message, message.getAllRecipients()); transport.close(); }}/*** 邮件发送（群发）* @param mailHost 邮件服务地址* @param fromMail 发件人* @param fromName 发件人名* @param fromMailPwd 发件人密码* @param toMails 收件人，多个用英文逗号分隔* @param mailTitle 邮件标题* @param mailContent 邮件内容* @throws Exception*/public static void sendGroupMail(String mailHost, String fromMail, String fromName, String fromMailPwd,String toMails, String mailTitle, String mailContent) throws Exception {String[] toMailArr = null; if (toMails != null && !toMails.equals("")) {toMailArr = toMails.split(","); } else {throw new Exception("邮件发送人不能为空"); }// 邮件属性信息Properties props = new Properties(); props.put("mail.host", mailHost); props.put("mail.transport.protocol", "smtp"); props.put("mail.smtp.auth", "true"); Session session = Session.getInstance(props); // 根据属性新建一个邮件会话//session.setDebug(true); // 是否打印调试信息MimeMessage message = new MimeMessage(session); // 由邮件会话新建一个消息对象message.setFrom(new InternetAddress(fromMail)); // 设置发件人的地址InternetAddress[] sendTo = new InternetAddress[toMailArr.length]; for (int i = 0; i < toMailArr.length; i++) {sendTo[i] = new InternetAddress(toMailArr[i], fromName); }message.setRecipients(Message.RecipientType.TO, sendTo); // 设置收件人,并设置其接收类型为TOmessage.setSubject(mailTitle); // 设置标题message.setContent(mailContent, "text/html; charset=UTF-8"); // 设置邮件内容类型为htmlmessage.setSentDate(new Date()); // 设置发信时间message.saveChanges(); // 存储邮件信息// 发送邮件Transport transport = session.getTransport(); transport.connect(fromMail, fromMailPwd); transport.sendMessage(message, message.getAllRecipients()); transport.close(); }/*** 读取html文件为String* @param htmlFileName* @return* @throws Exception*/public static String readHtmlToString(String htmlFileName) throws Exception{InputStream is = null; Reader reader = null; try {is = MailUtil.class.getClassLoader().getResourceAsStream(htmlFileName); if (is ==null) {throw new Exception("未找到模板文件"); }reader = new InputStreamReader(is, "UTF-8"); StringBuilder sb = new StringBuilder(); int bufferSize = 1024; char[] buffer = new char[bufferSize]; int length = 0; while ((length = reader.read(buffer, 0, bufferSize)) != -1){sb.append(buffer, 0, length); }return sb.toString(); } finally {try {if (is != null) {is.close(); }} catch (IOException e) {logger.error("关闭io流异常", e); }try {if (reader != null) {reader.close(); }} catch ( IOException e) {logger.error("关闭io流异常", e); }}}}

HTML模板

java 邮件发送

【利用JavaMail发送HTML模板邮件】测试

package test.email; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; public class SendHtmlTemplateMail {public static void main(String[] args) throws Exception {// 读取html模板String html = MailUtil.readHtmlToString("mailTemplate.html"); // 写入模板内容Document doc = Jsoup.parse(html); doc.getElementById("title").html("java 邮件发送测试"); doc.getElementById("content").html("么么哒"); String result = doc.toString(); String mailHost = "smtp.qq.com"; String fromMail = ""; String fromName = "小灰"; String fromMailPwd = ""; String toMails = ""; String mailTitle = "hello javamail"; String mailContent = result; // 发送邮件MailUtil.sendMail(mailHost, fromMail, fromName, fromMailPwd, toMails, mailTitle, mailContent); }}

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