java mail 发送邮件


JAVA MAIL 发送邮件 import java.util.Properties; import javax.activation.DataHandler; import javax.activation.FileDataSource; import javax.mail.Address; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.Multipart; 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 Mail { 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 // smtp认证用户名和密码 private String username; private String password; private Multipart mp; // 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 /** * Constructor * * @param smtp * 邮件发送服务器 */ public Mail(String smtp) { setSmtpHost(smtp); createMimeMessage(); } /** * 设置邮件发送服务器 * * @param hostName * String */ public void setSmtpHost(String hostName) { System.out.println("设置系统属性:mail.smtp.host = " + hostName); if (props == null) props = System.getProperties(); // 获得系统属性对象 props.put("mail.smtp.host", hostName); // 设置SMTP主机 } /** * 创建MIME邮件对象 * * @return */ public boolean createMimeMessage() { try { 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 } catch (Exception e) { System.err.println("获取邮件会话对象时发生错误!" + e); return false; } System.out.println("准备创建MIME邮件对象!"); try { mimeMsg = new MimeMessage(session); // 创建MIME邮件对象 mp = new MimeMultipart(); return true; } catch (Exception e) { System.err.println("创建MIME邮件对象失败!" + e); return false; } } /** * 设置SMTP是否需要验证 * * @param need */ public void setNeedAuth(boolean need) { System.out.println("设置smtp身份认证:mail.smtp.auth = " + need); if (props == null) props = System.getProperties(); if (need) { props.put("mail.smtp.port", 25); props.put("mail.smtp.auth", "true"); } else { props.put("mail.smtp.auth", "false"); } } /** * 设置用户名和密码 * * @param name * @param pass */ public void setNamePass(String name, String pass) { username = name; password = pass; } /** * 设置邮件主题 * * @param mailSubject * @return */ public boolean setSubject(String mailSubject) { System.out.println("设置邮件主题!"); try { mimeMsg.setSubject(mailSubject); return true; } catch (Exception e) { System.err.println("设置邮件主题发生错误!"); return false; } } /** * 设置邮件正文 * * @param mailBody * String */ public boolean setBody(String mailBody) { try { BodyPart bp = new MimeBodyPart(); bp.setContent("" + mailBody, "text/html;charset=GBK"); mp.addBodyPart(bp); return true; } catch (Exception e) { System.err.println("设置邮件正文时发生错误!" + e); return false; } } /** * 添加附件 * * @param filename * String */ public boolean addFileAffix(String filename) { System.out.println("增加邮件附件:" + filename); try { BodyPart bp = new MimeBodyPart(); FileDataSource fileds = new FileDataSource(filename); bp.setDataHandler(new DataHandler(fileds)); bp.setFileName(fileds.getName()); mp.addBodyPart(bp); return true; } catch (Exception e) { System.err.println("增加邮件附件:" + filename + "发生错误!" + e); return false; } } /** * 设置发信人 * * @param from * String */ public boolean setFrom(String from) { System.out.println("设置发信人!"); try { mimeMsg.setFrom(new InternetAddress(from)); // 设置发信人 return true; } catch (Exception e) { return false; } } /** * 设置收信人 * * @param to * String */ public boolean setTo(String to) { if (to == null) return false; try { mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to)); return true; } catch (Exception e) { return false; } } /** * 设置抄送人 * * @param copyto * String */ public boolean setCopyTo(String copyto) { if (copyto == null) return false; try { mimeMsg.setRecipients(Message.RecipientType.CC, (Address[]) InternetAddress.parse(copyto)); return true; } catch (Exception e) { return false; } } /** * 发送邮件 */ public boolean sendOut() { 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)); transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.CC)); // transport.send(mimeMsg); System.out.println("发送邮件成功!"); transport.close(); return true; } catch (Exception e) { System.err.println("邮件发送失败!" + e); return false; } } /** * 调用sendOut方法完成邮件发送 * * @param smtp * @param from * @param to * @param subject * @param content * @param username * @param password * @return boolean */ public static boolean send(String smtp, String from, String to, String subject, String content, String username, String password) { Mail theMail = new Mail(smtp); theMail.setNeedAuth(true); // 需要验证 if (!theMail.setSubject(subject)) return false; if (!theMail.setBody(content)) return false; if (!theMail.setTo(to)) return false; if (!theMail.setFrom(from)) return false; theMail.setNamePass(username, password); if (!theMail.sendOut()) return false; return true; } /** * 调用sendOut方法完成邮件发送,带抄送 * * @param smtp * @param from * @param to * @param copyto * @param subject * @param content * @param username * @param password * @return boolean */ public static boolean sendAndCc(String smtp, String from, String to, String copyto, String subject, String content, String username, String password) { Mail theMail = new Mail(smtp); theMail.setNeedAuth(true); // 需要验证 if (!theMail.setSubject(subject)) return false; if (!theMail.setBody(content)) return false; if (!theMail.setTo(to)) return false; if (!theMail.setCopyTo(copyto)) return false; if (!theMail.setFrom(from)) return false; theMail.setNamePass(username, password); if (!theMail.sendOut()) return false; return true; } /** * 调用sendOut方法完成邮件发送,带附件 * * @param smtp * @param from * @param to * @param subject * @param content * @param username * @param password * @param filename * 附件路径 * @return */ public static boolean send(String smtp, String from, String to, String subject, String content, String username, String password, String filename) { Mail theMail = new Mail(smtp); theMail.setNeedAuth(true); // 需要验证 if (!theMail.setSubject(subject)) return false; if (!theMail.setBody(content)) return false; if (!theMail.addFileAffix(filename)) return false; if (!theMail.setTo(to)) return false; if (!theMail.setFrom(from)) return false; theMail.setNamePass(username, password); if (!theMail.sendOut()) return false; return true; } /** * 调用sendOut方法完成邮件发送,带附件和抄送 * * @param smtp * @param from * @param to * @param copyto * @param subject * @param content * @param username * @param password * @param filename * @return */ public static boolean sendAndCc(String smtp, String from, String to, String copyto, String subject, String content, String username, String password, String filename) { Mail theMail = new Mail(smtp); theMail.setNeedAuth(true); // 需要验证 if (!theMail.setSubject(subject)) return false; if (!theMail.setBody(content)) return false; if (!theMail.addFileAffix(filename)) return false; if (!theMail.setTo(to)) return false; if (!theMail.setCopyTo(copyto)) return false; if (!theMail.setFrom(from)) return false; theMail.setNamePass(username, password); if (!theMail.sendOut()) return false; return true; } public static void main(String[] args) { String smtp = "192.168.1.101"; String from = "xx@xx.com"; // 发件邮箱 String to = "xx@xx.com"; // 接受邮箱 String copyto = "xx@xx.com"; // 抄送 String subject = "邮件主题"; String content = "邮件内容"; String username = "lvxiaohuai"; String password = "post000"; String filename = "M:/dzh.txt"; Mail.sendAndCc(smtp, from, to, copyto, subject, content, username, password, filename); } }
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