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package cn.bric.crm.util; import java.util.Date; import java.util.Enumeration; import java.util.Properties; import java.util.Vector; import javax.activation.*; import javax.mail.Authenticator; 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; import javax.mail.internet.MimeUtility; import java.io.FileInputStream; import java.io.IOException; import java.text.ParseException; import java.util.ArrayList; import java.util.Date; import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Set; import java.util.regex.Pattern; /** * <p> * Title: 使用javamail发送邮件 * </p> */ public class MailUtils { String to = "";// 收件人 String from = "";// 发件人 String host = "";// smtp主机 String username = ""; String password = ""; String filename = "";// 附件文件名 String subject = "";// 邮件主题 String content = "";// 邮件正文 Vector file = new Vector();// 附件文件集合 /** * <br> * 方法说明:默认构造器 <br> * 输入参数: <br> * 返回类型: */ public MailUtils() { } /** * <br> * 方法说明:构造器,提供直接的参数传入 <br> * 输入参数: <br> * 返回类型: */ public MailUtils(String to, String from, String smtpServer, String username, String password, String subject, String content) { this.to = to; this.from = from; this.host = smtpServer; this.username = username; this.password = password; this.subject = subject; this.content = content; } /** * <br> * 方法说明:设置邮件服务器地址 <br> * 输入参数:String host 邮件服务器地址名称 <br> * 返回类型: */ public void setHost(String host) { this.host = host; } /** * <br> * 方法说明:设置登录服务器校验密码 <br> * 输入参数: <br> * 返回类型: */ public void setPassWord(String pwd) { this.password = pwd; } /** * <br> * 方法说明:设置登录服务器校验用户 <br> * 输入参数: <br> * 返回类型: */ public void setUserName(String usn) { this.username = usn; } /** * <br> * 方法说明:设置邮件发送目的邮箱 <br> * 输入参数: <br> * 返回类型: */ public void setTo(String to) { this.to = to; } /** * <br> * 方法说明:设置邮件发送源邮箱 <br> * 输入参数: <br> * 返回类型: */ public void setFrom(String from) { this.from = from; } /** * <br> * 方法说明:设置邮件主题 <br> * 输入参数: <br> * 返回类型: */ public void setSubject(String subject) { this.subject = subject; } /** * <br> * 方法说明:设置邮件内容 <br> * 输入参数: <br> * 返回类型: */ public void setContent(String content) { this.content = content; } /** * <br> * 方法说明:把主题转换为中文 <br> * 输入参数:String strText <br> * 返回类型: */ public String transferChinese(String strText) { try { strText = MimeUtility.encodeText(new String(strText.getBytes(), "GB2312"), "GB2312", "B"); } catch (Exception e) { e.printStackTrace(); } return strText; } /** * <br> * 方法说明:往附件组合中添加附件 <br> * 输入参数: <br> * 返回类型: */ public void attachfile(String fname) { file.addElement(fname); } /** * <br> * 方法说明:发送邮件 <br> * 输入参数: <br> * 返回类型:boolean 成功为true,反之为false */ public boolean sendMail() { // 构造mail session Properties props = new Properties() ; props.put("mail.smtp.host", host); props.put("mail.smtp.auth", "true"); Session session = Session.getDefaultInstance(props, new Authenticator() { public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); } }); //Session session = Session.getDefaultInstance(props); // Session session = Session.getDefaultInstance(props, null); try { // 构造MimeMessage 并设定基本的值 MimeMessage msg = new MimeMessage(session); //MimeMessage msg = new MimeMessage(); msg.setFrom(new InternetAddress(from)); //msg.addRecipients(Message.RecipientType.TO, address); //这个只能是给一个人发送email msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(to)) ; subject = transferChinese(subject); msg.setSubject(subject); // 构造Multipart Multipart mp = new MimeMultipart(); // 向Multipart添加正文 MimeBodyPart mbpContent = new MimeBodyPart(); mbpContent.setContent(content, "text/html;charset=gb2312"); // 向MimeMessage添加(Multipart代表正文) mp.addBodyPart(mbpContent); // 向Multipart添加附件 Enumeration efile = file.elements(); while (efile.hasMoreElements()) { MimeBodyPart mbpFile = new MimeBodyPart(); filename = efile.nextElement().toString(); FileDataSource fds = new FileDataSource(filename); mbpFile.setDataHandler(new DataHandler(fds)); <span style="color: rgb(255, 0, 0);">//这个方法可以解决附件乱码问题。</span> String filename= new String(fds.getName().getBytes(),"ISO-8859-1"); mbpFile.setFileName(filename); // 向MimeMessage添加(Multipart代表附件) mp.addBodyPart(mbpFile); } file.removeAllElements(); // 向Multipart添加MimeMessage msg.setContent(mp); msg.setSentDate(new Date()); msg.saveChanges() ; // 发送邮件 Transport transport = session.getTransport("smtp"); transport.connect(host, username, password); transport.sendMessage(msg, msg.getAllRecipients()); transport.close(); } catch (Exception mex) { mex.printStackTrace(); // Exception ex = null; // if ((ex = mex.getNextException()) != null) { // ex.printStackTrace(); // } return false; } return true; } /** * <br> * 方法说明:主方法,用于测试 <br> * 输入参数: <br> * 返回类型: */ public static void main(String[] args) { MailUtils sendmail = new MailUtils(); sendmail.setHost("smtp.qiye.163.com"); sendmail.setUserName("service@accfutures.com"); sendmail.setPassWord("XXXXXX"); sendmail.setTo("EEEEEEE@accfutures.com,EEEEEE@qq.com,EEEEEEE@163.com"); sendmail.setFrom("service@accfutures.com"); sendmail.setSubject("你好,这是测试!"); sendmail.setContent("你好这是一个带多附件的测试!"); // Mail sendmail = new // Mail("dujiang@sricnet.com","du_jiang@sohu.com","smtp.sohu.com","du_jiang","31415926","你好","胃,你好吗?"); sendmail.attachfile("d:\\news.rar"); sendmail.attachfile("d:\\jhjl.rar"); System.out.println(sendmail.sendMail()); } }
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原文地址:http://www.cnblogs.com/fanjifen/p/4286358.html