java web(发送邮件,以及要整合的包)

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导包,mai.jar 
1 session 如果你得到他,代表你连上了
 *需要使用Session.getInstance(Properties,Authenticator);
 *Properties propers=new Properties();
 propers.setProperty("mail.host","smtp.163.com");
propers.setProperty("mail.smtp.auth","true"); 
Authenticator auth=new Authenticator(){
protected PasswordAuthentication getPasswordAuthentication(){


return new PasswordAuthentication("xxx","密码");
}


};
Session session=Session.getInstance(properd,auth);


2 Minemessage 代表邮件对象。设置收件人,等

舉例

public class Base64 {@Testpublic void fun() throws AddressException, MessagingException, IOException{/** * 得到Session */Properties pro=new Properties();pro.setProperty("mail.host", "smtp.163.com");pro.setProperty("mail.smtp.auth", "true");Authenticator authenticator=new Authenticator() {@Overrideprotected PasswordAuthentication getPasswordAuthentication() {return new PasswordAuthentication("yuan563519613", "z000000");//邮箱名,密码}};Session session=Session.getInstance(pro, authenticator);/** * 创建MimeMessage */MimeMessage mg=new MimeMessage(session);mg.setFrom(new InternetAddress("xxx3@163.com"));//设置发件人mg.setRecipients(RecipientType.TO, "xxx@qq.com");//设置收件人//mg.setRecipients(RecipientType.CC, "xxx@qq.com");//设置抄送//mg.setRecipients(RecipientType.BCC, "xxx@qq.com");//设置暗送mg.setSubject("这是测试文件-有附件");//mg.setContent("垃圾文件", "text/html;charset=utf-8");/** * 当包含发送带有附件的邮件时,需要多部件, * 1创建多部件的文件内容MimeMultipart(集合,用来装载主题部件) * 2 我们需要创建主题部件,一个内容,一个附件 *  */MimeMultipart list=new MimeMultipart();MimeBodyPart part1=new MimeBodyPart();part1.setContent("这是包含附件的垃圾文件", "text/html;charset=utf-8");list.addBodyPart(part1);/** * 在创建一个MimeBodypart */MimeBodyPart part2=new MimeBodyPart();part2.attachFile(new File("E:/白冰.jpg"));part2.setFileName(MimeUtility.encodeText("大美女.jpg"));//设置文件名。以及处理乱码问题list.addBodyPart(part2);mg.setContent(list);Transport.send(mg);}
当然需要导入包

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