java邮件发送
java邮件发送实例
package com.udbac.util; import java.util.Properties; 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; private Session session; private Properties props; private String username; private String password; private Multipart mp; public Mail(String smtp) { setSmtpHost(smtp); createMimeMessage(); } public void setSmtpHost(String hostName) { System.out.println("设置系统属性:mail.smtp.host=" + hostName); if (props == null) { props = System.getProperties(); } props.put("mail.smtp.host", hostName); } public boolean createMimeMessage() { try { System.out.println("准备获取邮件会话对象!"); session = Session.getDefaultInstance(props, null); } catch (Exception e) { System.out.println("获取邮件会话错误!" + e); return false; } System.out.println("准备创建MIME邮件对象!"); try { mimeMsg = new MimeMessage(session); mp = new MimeMultipart(); return true; } catch (Exception e) { System.out.println("创建MIME邮件对象失败!" + e); return false; } } /*定义SMTP是否需要验证*/ 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.auth", "true"); //props.put("mail.smtp.port","465"); } else { props.put("mail.smtp.auth", "false"); } } public void setNamePass(String name, String pass) { username = name; password = pass; } /*定义邮件主题*/ public boolean setSubject(String mailSubject) { System.out.println("定义邮件主题!"); try { mimeMsg.setSubject(mailSubject); return true; } catch (Exception e) { System.err.println("定义邮件主题发生错误!"); return false; } } /*定义邮件正文*/ 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("定义邮件正文时发生错误!" + e); return false; } } /*设置发信人*/ public boolean setFrom(String from) { System.out.println("设置发信人!"); try { mimeMsg.setFrom(new InternetAddress(from)); //发信人 return true; } catch (Exception e) { return false; } } /*定义收信人*/ public boolean setTo(String to) { if (to == null) return false; System.out.println("定义收信人!"); try { mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to)); return true; } catch (Exception e) { return false; } } /*定义抄送人*/ 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; } } /*发送邮件模块*/ public boolean sendOut() { try { mimeMsg.setContent(mp); mimeMsg.saveChanges(); System.out.println("邮件发送中...."); 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("发送成功!"); transport.close(); return true; } catch (Exception e) { System.err.println("邮件失败!" + e); return false; } } /*调用sendOut方法完成发送*/ 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); // 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; } //运行 public static void main(String[] args) { String smtp = "smtp.126.com";// smtp服务器 String from = "zhangtongzct@126.com";// 邮件显示名称 String to = "864838633@qq.com";// 收件人的邮件地址,必须是真实地址 String copyto = "";// 抄送人邮件地址 String subject = "测试邮件555";// 邮件标题 String content = "你好!";// 邮件内容 String username = "zhangtongzct@126.com";// 发件人真实的账户名 String password = "*****";// 发件人密码 Mail.sendAndCc(smtp, from, to, copyto, subject, content, username, password); } }
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