这里有新鲜出炉的Java函数式编程,程序狗速度看过来!
java 是一种可以撰写跨平台应用软件的面向对象的程序设计语言,是由Sun Microsystems公司于1995年5月推出的Java程序设计语言和Java平台(即JavaEE(j2ee), JavaME(j2me), JavaSE(j2se))的总称。
本篇是用于java来实现邮件的发送的实例代码,基于smtp服务,有需要的可以参考一下。
邮件是在日常生活中,这篇文章主要介绍了java实现基于SMTP发送邮件的方法,实例分析了java基于SMTP服务发送邮件的相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下.
1.写一个 MailSendProper 类封装需要的属性
- import java.util.Properties;
- public class MailSendProper {
- private String Host ; //发送邮件服务器的ip
- private String Port ; //发送邮件服务器的端口号
- private String SendAddress ; //邮件发送者的地址
- private String ReceiveAddress ; //邮件接受者的地址
- private String username ; //登录发送邮箱的用户名
- private String password ; //登录发送邮箱的密码
- private boolean isvalidate = true ; //是否需要身份验证
- private String subject ; //邮件标题
- private String content ; //邮件内容
- public String getSubject() {
- return subject;
- }
- public void setSubject(String subject) {
- this.subject = subject;
- }
- public String getContent() {
- return content;
- }
- public void setContent(String content) {
- this.content = content;
- }
- public String getHost() {
- return Host;
- }
- public void setHost(String host) {
- Host = host;
- }
- public String getPort() {
- return Port;
- }
- public void setPort(String port) {
- Port = port;
- }
- public String getSendAddress() {
- return SendAddress;
- }
- public void setSendAddress(String sendAddress) {
- SendAddress = sendAddress;
- }
- public String getReceiveAddress() {
- return ReceiveAddress;
- }
- public void setReceiveAddress(String receiveAddress) {
- ReceiveAddress = receiveAddress;
- }
- public String getUsername() {
- return username;
- }
- public void setUsername(String username) {
- this.username = username;
- }
- public String getPassword() {
- return password;
- }
- public void setPassword(String password) {
- this.password = password;
- }
- public boolean isIsvalidate() {
- return isvalidate;
- }
- public void setIsvalidate(boolean isvalidate) {
- this.isvalidate = isvalidate;
- }
- public Properties getProperties(){
- Properties properties = new Properties() ;
- properties.put("mail.smtp.host", this.Host) ;
- properties.put("mail.smtp.port", this.Port) ;
- properties.put("mail.smtp.auth", isvalidate?"true":"false") ;
- return properties ;
- }
- }
2、写一个 EmailMessage 封装 发送信息
- public class EmailMessage {
- private String title ;
- private String context ;
- private String toEmail ;
- public EmailMessage() {
- super();
- }
- public EmailMessage(String title, String context, String toEmail) {
- super();
- this.title = title;
- this.context = context;
- this.toEmail = toEmail;
- }
- public String getTitle() {
- return title;
- }
- public void setTitle(String title) {
- this.title = title;
- }
- public String getContext() {
- return context;
- }
- public void setContext(String context) {
- this.context = context;
- }
- public String getToEmail() {
- return toEmail;
- }
- public void setToEmail(String toEmail) {
- this.toEmail = toEmail;
- }
- }
3、写一个 MailAttorney 邮箱密码验证器 类
- import javax.mail.Authenticator;
- import javax.mail.PasswordAuthentication;
- public class MailAttorney extends Authenticator {
- private String username ;
- private String password ;
- public MailAttorney(String username,String password) {
- this.username = username ;
- this.password = password ;
- }
- //覆盖父类方法,获取密码认证器
- @Override
- protected PasswordAuthentication getPasswordAuthentication() {
- return new PasswordAuthentication(username,password) ;
- }
- }
4 、 写一个 MailSend 邮件工具类
- import java.util.Date;
- import javax.mail.Address;
- import javax.mail.Message;
- import javax.mail.Session;
- import javax.mail.Transport;
- import javax.mail.internet.InternetAddress;
- import javax.mail.internet.MimeMessage;
- import com.VTBBS.entity.EmailMessage;
- public class MailSend {
- public static boolean mailTest(MailSendProper mailsender){
- MailAttorney attorney = null ;
- if(mailsender.isIsvalidate()){//判断是否需要身份认证
- attorney = new MailAttorney(mailsender.getUsername(),mailsender.getPassword()) ;
- }
- //根据邮箱会话属性和密码验证器构造一个发送邮箱的seesion
- Session session = Session.getInstance(mailsender.getProperties(),attorney) ;
- //根据session创建一个邮件消息
- Message mailMessage = new MimeMessage(session) ;
- try {
- //创建邮件发送者的地址
- Address from = new InternetAddress(mailsender.getSendAddress()) ;
- //设置邮箱消息的发送者
- mailMessage.setFrom(from);
- //创建邮件接收这的地址,并设置到邮件消息中
- Address to = new InternetAddress(mailsender.getReceiveAddress()) ;
- mailMessage.setRecipient(Message.RecipientType.TO, to);
- mailMessage.setSubject(mailsender.getSubject()); //设置邮件标题
- mailMessage.setSentDate(new Date()); //设置发送邮件时间
- mailMessage.setText(mailsender.getContent()); //设置邮件内容
- Transport.send(mailMessage);
- return true ;
- } catch (Exception e) {
- e.printStackTrace();
- return false ;
- }
- }
- public static boolean sendEmail(EmailMessage message){
- MailSendProper mail = new MailSendProper() ;
- mail.setHost("smtp.126.com");//smtp简单的邮件传输协议,默认端口号是25,
- mail.setPort("25");
- mail.setIsvalidate(true);//需呀身份验证
- mail.setUsername("");//设置登录用户名
- mail.setPassword("");//设置发送者的密码
- mail.setSendAddress("");//设置发送这的地址 发送者地址和登录用户名是同一个
- mail.setReceiveAddress(message.getToEmail());//设置接收者的地址
- mail.setSubject(message.getTitle());//设置邮箱标题
- mail.setContent(message.getContext());//设置邮箱的内容
- return mailTest(mail) ;
- }
- }
注意:使用的邮箱必须开启POP3/SMTP服务 才能发送成功,不同的邮箱,邮箱的传输协议不一样如:
QQ邮箱:SMTP传输协议是 smtp.qq.com 端口 25
POP3传输协议是 pop3.qq.com 端口 110
5、使用方法测试
- public static void main(String[] args) {
- EmailMessage message = new EmailMessage() ;
- String code = String.valueOf(Math.random()).substring(3, 9) ; //生成验证码
- message.setTitle("邮箱验证"); //邮件标题
- message.setContext("尊敬的用户你好,你的验证码为"+code+"。"); //邮件内容
- message.setToEmail("940202884@qq.com"); //要发送给谁
- System.out.println(MailSend.sendEmail(message)?"发送成功":"发送失败") ;
- }
希望本文所述对大家学习java程序设计有所帮助。
来源: http://www.phperz.com/article/17/1114/359738.html