java实现向用户发送邮件
package com.gd.utils;import java.util.Properties;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 Mailsend {public Mailsend() {}/** * @param seting_stmp 发信人邮箱服务器如：smtp.163.com * @param user 发信人邮箱帐号 * @param password 发信人邮箱密码 * @param mail_from 发信人地址 * @param mail_to 收信人地址 * @param title EMAIL标题 * @param content EMAIL内容 * @return */public static int send(String seting_stmp, String user, String password,String mail_from, String mail_to, String title, String content) {int i = 0;try {Properties props = new Properties();Session sendsession;Transport transport;// 向属性中写入SMTP服务器的地址props.put("mail.smtp.host", seting_stmp);// 设置SMTP服务器需要权限认证props.put("mail.smtp.auth", "true");// 设置输出调试信息// PopupAuthenticator auth = new PopupAuthenticator();sendsession = Session.getInstance(props, null);sendsession.setDebug(true);// 根据Session生成Message对象Message message = new MimeMessage(sendsession);// 设置发信人地址message.setFrom(new InternetAddress(mail_from));// 设置收信人地址message.setRecipient(Message.RecipientType.TO, new InternetAddress(mail_to));// 设置E-mail标题message.setSubject(title);// 设置E-mail发送时间// message.setSentDate(new Date());// 发送html格式的邮件// 新建一个存放信件内容的BodyPart对象BodyPart mdp = new MimeBodyPart();// 给BodyPart对象设置内容和格式/编码方式mdp.setContent(content, "text/html;charset=utf-8");Multipart mm = new MimeMultipart();// 新建一个MimeMultipart对象用来存放BodyPart对// (事实上可以存放多个)mm.addBodyPart(mdp);// 将BodyPart加入到MimeMultipart对象中(可以加入多个BodyPart)message.setContent(mm);// 保存对于E-mail的修改message.saveChanges();// 根据Session生成Transport对象transport = sendsession.getTransport("smtp");// 连接到SMTP服务器transport.connect(seting_stmp, mail_from, password);// 发送E-mailtransport.sendMessage(message, message.getAllRecipients());// 关闭Transport连接transport.close();} catch (Exception e) {i = 1;// TODO 自动生成 catch 块e.printStackTrace();}return i;}// public static void main(String[] args) {/* * Mailsend mail = new Mailsend(); int i = mail.send("smtp.163.com", * "1987727c", "1987727", "1987727c@163.com", "564439763@qq.com", "hello", * "我爱你，我的家，我的天堂!"); System.out.println(i); */// }}