import java.util.Date;  import java.util.Properties;  import java.util.Vector;    import javax.activation.DataHandler;  import javax.activation.FileDataSource;  import javax.mail.Address;  import javax.mail.BodyPart;  import javax.mail.Message;  import javax.mail.MessagingException;  import javax.mail.Multipart;  import javax.mail.SendFailedException;  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 sun.misc.BASE64Encoder;    public class MailSend {        private MimeMessage mimeMsg; //MIME邮件对象        private Session session; //邮件会话对象        private Properties props; //系统属性        private boolean needAuth = false; //smtp是否需要认证        private String username = ""; //smtp认证用户名和密码        private String password = "";        private Multipart mp = new MimeMultipart(); //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象        public MailSend() {          try {              //  System.out.println("设置系统属性：mail.smtp.host = "+"mail.tplife.com");              if (props == null) {                  props = System.getProperties(); //获得系统属性对象              }              props.put("mail.smtp.host", "mail.tplife.com"); //设置SMTP主机              //  System.out.println("准备获取邮件会话对象！");              session = Session.getDefaultInstance(props, null); //获得邮件会话对象              mimeMsg = new MimeMessage(session); //创建MIME邮件对象          } catch (Exception e) {              System.err.println("邮件初始化失败！" + e);          }      }        public void setSubject(String sub) {          try {              mimeMsg.setSubject(sub, "GB2312");              //   System.out.println("设置邮件标题为：" + sub + ".");          } catch (Exception e) {              System.err.println("邮件标题设置失败！" + e);          }      }        public void setContent(String text, String type) {          try {              BodyPart bp = new MimeBodyPart();              bp.setContent(text, type);              mp.addBodyPart(bp);              //   System.out.println("正在设置邮件内容");          } catch (Exception e) {              System.err.println("邮件内容设置失败！" + e);          }      }        public void setText(String text) {          try {              BodyPart bp = new MimeBodyPart();              bp.setText(text);              mp.addBodyPart(bp);              //  System.out.println("正在设置邮件内容");          } catch (Exception e) {              System.err.println("邮件内容设置失败！" + e);          }      }        public void addAttach(String AttachURL) {          try {              //添加附件              BodyPart bp = new MimeBodyPart();              BASE64Encoder enc = new BASE64Encoder();//解决附件名乱码问题              FileDataSource fileds = new FileDataSource(AttachURL);              bp.setDataHandler(new DataHandler(fileds));              bp.setFileName("=?GBK?B?" + enc.encode((fileds.getName()).getBytes()) + "?=");              //  System.out.println("增加邮件附件：" + fileds.getName());              mp.addBodyPart(bp);          } catch (Exception e) {              System.err.println("邮件附件粘贴失败！" + e);          }      }        public void clearAttach() {          try {              int n = mp.getCount();              System.out.println();              for (int i = 0; i <= n - 1; i++) {                  mp.removeBodyPart(0);              }              mimeMsg.setContent(mp);              mimeMsg.saveChanges();          } catch (Exception e) {              System.err.println("清除附件失败！" + e);          }      }        public void setFrom(String address) {          try {              mimeMsg.setFrom(new InternetAddress(address)); //设置发信人              //   System.out.println("正在设置发件人地址");          } catch (Exception e) {              System.err.println("邮件发件人地址设置失败！" + e);          }      }        public void setRecipients(String address) {          try {              mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(address)); //收信人              //  System.out.println("正在设置收件人地址");          } catch (Exception e) {              System.err.println("邮件收件人地址设置失败！" + e);          }      }        public void setRecipients(String[] address, String type) {          try {              Address[] add = new Address[address.length];              if (address.length - 1 >= 0) {                  for (int i = 0; i <= address.length - 1; i++) {                      add[i] = new InternetAddress(address[i]);                  }                  if (type == null)                      type = "TO";                  if (type == "TO")                      mimeMsg.setRecipients(Message.RecipientType.TO, add);                  else if (type == "CC")                      mimeMsg.setRecipients(Message.RecipientType.CC, add);                  else if (type == "BCC")                      mimeMsg.setRecipients(Message.RecipientType.BCC, add);//收信人                  else                      System.out.println("类型不正确!");                  /// System.out.println("正在设置收件人地址");              }          } catch (Exception e) {              System.err.println("邮件收件人地址设置失败！" + e);          }      }        public void setSentDate() {          try {              mimeMsg.setSentDate(new Date());          } catch (Exception e) {              System.err.println("时间设置失败！" + e);          }      }        public boolean sendMail() {          boolean flag = false;          try {                mimeMsg.setContent(mp);              mimeMsg.saveChanges();              System.out.println("正在发送邮件....");              Session mailSession = Session.getInstance(props, null);              Transport transport = mailSession.getTransport("smtp");              transport.connect((String) props.get("mail.smtp.host"), username, password);              transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO));              System.out.println("发送邮件成功！");              transport.close();              flag = true;          } catch (SendFailedException e1) {              System.err.println("邮件发送失败SendFailed！" + e1);              return false;            } catch (MessagingException e2) {              System.err.println("邮件发送失败Messaging！" + e2);              return false;            } catch (Exception e3) {              System.err.println("邮件发送失败！" + e3);              return false;          }            return flag;      }        public static void main(String argv[]) {            MailSend ms = new MailSend();          ms.setSubject("");          ms.setText("");          ms.setFrom("liumin3@tplife.com");          Vector TO = new Vector();          TO.add("liumin3@tplife.com");          TO.add("liumin3@tplife.com");          ms.setRecipients((String[]) TO.toArray(), "TO");          ms.setSentDate();          ms.sendMail();        }  }