java郵件發(fā)送的實現(xiàn)
郵件是在日常生活中,這篇文章主要介紹了java實現(xiàn)基于SMTP發(fā)送郵件的方法,實例分析了java基于SMTP服務(wù)發(fā)送郵件的相關(guān)技巧,具有一定參考借鑒價值,需要的朋友可以參考下.
1.寫一個 MailSendProper 類封裝需要的屬性
import java.util.Properties; public class MailSendProper { private String Host ; //發(fā)送郵件服務(wù)器的ip private String Port ; //發(fā)送郵件服務(wù)器的端口號 private String SendAddress ; //郵件發(fā)送者的地址 private String ReceiveAddress ; //郵件接受者的地址 private String username ; //登錄發(fā)送郵箱的用戶名 private String password ; //登錄發(fā)送郵箱的密碼 private boolean isvalidate = true ; //是否需要身份驗證 private String subject ; //郵件標題 private String content ; //郵件內(nèi)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、寫一個 EmailMessage 封裝 發(fā)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、寫一個 MailAttorney 郵箱密碼驗證器 類
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 ; } //覆蓋父類方法,獲取密碼認證器 @Override protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username,password) ; } }
4 、 寫一個 MailSend 郵件工具類
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()){//判斷是否需要身份認證 attorney = new MailAttorney(mailsender.getUsername(),mailsender.getPassword()) ; } //根據(jù)郵箱會話屬性和密碼驗證器構(gòu)造一個發(fā)送郵箱的seesion Session session = Session.getInstance(mailsender.getProperties(),attorney) ; //根據(jù)session創(chuàng)建一個郵件消息 Message mailMessage = new MimeMessage(session) ; try { //創(chuàng)建郵件發(fā)送者的地址 Address from = new InternetAddress(mailsender.getSendAddress()) ; //設(shè)置郵箱消息的發(fā)送者 mailMessage.setFrom(from); //創(chuàng)建郵件接收這的地址,并設(shè)置到郵件消息中 Address to = new InternetAddress(mailsender.getReceiveAddress()) ; mailMessage.setRecipient(Message.RecipientType.TO, to); mailMessage.setSubject(mailsender.getSubject()); //設(shè)置郵件標題 mailMessage.setSentDate(new Date()); //設(shè)置發(fā)送郵件時間 mailMessage.setText(mailsender.getContent()); //設(shè)置郵件內(nèi)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簡單的郵件傳輸協(xié)議,默認端口號是25, mail.setPort("25"); mail.setIsvalidate(true); //需呀身份驗證 mail.setUsername(""); //設(shè)置登錄用戶名 mail.setPassword(""); //設(shè)置發(fā)送者的密碼 mail.setSendAddress(""); //設(shè)置發(fā)送這的地址 發(fā)送者地址和登錄用戶名是同一個 mail.setReceiveAddress(message.getToEmail()); //設(shè)置接收者的地址 mail.setSubject(message.getTitle()); //設(shè)置郵箱標題 mail.setContent(message.getContext()); //設(shè)置郵箱的內(nèi)容 return mailTest(mail) ; } }
注意:使用的郵箱必須開啟POP3/SMTP服務(wù) 才能發(fā)送成功,不同的郵箱,郵箱的傳輸協(xié)議不一樣如:
QQ郵箱:SMTP傳輸協(xié)議是 smtp.qq.com 端口 25
POP3傳輸協(xié)議是 pop3.qq.com 端口 110
5、使用方法測試
public static void main(String[] args) { EmailMessage message = new EmailMessage() ; String code = String.valueOf(Math.random()).substring(3, 9) ; //生成驗證碼 message.setTitle("郵箱驗證"); //郵件標題 message.setContext("尊敬的用戶你好,你的驗證碼為"+code+"。"); //郵件內(nèi)容 message.setToEmail("940202884@qq.com"); //要發(fā)送給誰 System.out.println(MailSend.sendEmail(message)?"發(fā)送成功":"發(fā)送失敗") ; }
希望本文所述對大家學(xué)習(xí)java程序設(shè)計有所幫助。
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