Java实现发送邮件功能

package com.sjsq.util; import com.sjsq.entity.Email; import com.sjsq.properties.MailProperties; import javax.mail.*; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import java.util.Properties; /** * 发送邮件 */ public class SendMail { // 发送邮件 public static void sendMail(Email email,String address){ // 定义收件人 InternetAddress to_address[] = new InternetAddress[1]; try { to_address[0] = new InternetAddress(address); } catch (AddressException e) { e.printStackTrace(); } // 获取系统属性 Properties properties = System.getProperties(); // 设置邮件服务器 properties.setProperty("mail.smtp.host", MailProperties.HOST); properties.put("mail.smtp.auth", "true"); // 获取默认session对象 Session session = Session.getDefaultInstance(properties, new Authenticator() { @Override public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(MailProperties.USERNAME,MailProperties.PASSWORD); } }); // 定义头部字段及发邮件 try { // 创建默认的MimeMessage对象 MimeMessage message = new MimeMessage(session); // 设置发件人From 头部字段 message.setFrom(new InternetAddress(MailProperties.FROM)); // 设置收件人To 头部字段 message.addRecipients(Message.RecipientType.TO,to_address); // 设置Subject 头部字段 message.setSubject(email.getSubject()); // 设置消息体 message.setText(email.getConetent()); // 发送消息 Transport.send(message); System.out.println("发送成功"); } catch (MessagingException e) { e.printStackTrace(); } } }