用java发邮件（保证秒懂）

package wx; import java.util.Date; import java.util.Properties; import javax.mail.Authenticator; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; public class Xmail { /** * */ public String username; public String password; public String to; public String from; public String subject; public String content; public String host; 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 String getTo() { return to; } public void setTo(String to) { this.to = to; } public String getFrom() { return from; } public void setFrom(String from) { this.from = from; } 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) { this.host = host; } public void sendMail() throws AddressException, MessagingException { Properties props = new Properties(); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.starttls.enable", "true"); props.put("mail.smtp.host", getHost()); props.put("mail.smtp.port", "25"); Session session = Session.getDefaultInstance(props, new Authenticator() { protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); }; }); MimeMessage mailMessage = new MimeMessage(session); mailMessage.setFrom(new InternetAddress(getUsername())); // Message.RecipientType.TO属性表示接收者的类型为TO mailMessage.setRecipient(Message.RecipientType.TO, new InternetAddress( getTo())); mailMessage.setSubject(getSubject(), "UTF-8"); mailMessage.setSentDate(new Date()); // MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象 Multipart mainPart = new MimeMultipart(); // 创建一个包含HTML内容的MimeBodyPart BodyPart html = new MimeBodyPart(); html.setContent(getContent(), "text/html; charset=utf-8"); mainPart.addBodyPart(html); mailMessage.setContent(mainPart); Transport.send(mailMessage); System.out.println("send mail success"); } }