通过JMail发送邮件例子详解编程语言

import java.util.Date; 
import java.util.Properties; 
import java.util.Vector; 
 
import javax.activation.DataHandler; 
import javax.activation.FileDataSource; 
import javax.mail.Address; 
import javax.mail.BodyPart; 
import javax.mail.Message; 
import javax.mail.MessagingException; 
import javax.mail.Multipart; 
import javax.mail.SendFailedException; 
import javax.mail.Session; 
import javax.mail.Transport; 
import javax.mail.internet.InternetAddress; 
import javax.mail.internet.MimeBodyPart; 
import javax.mail.internet.MimeMessage; 
import javax.mail.internet.MimeMultipart; 
 
import sun.misc.BASE64Encoder; 
 
public class MailSend { 
 
    private MimeMessage mimeMsg; //MIME邮件对象 
 
    private Session session; //邮件会话对象 
 
    private Properties props; //系统属性 
 
    private boolean needAuth = false; //smtp是否需要认证 
 
    private String username = ""; //smtp认证用户名和密码 
 
    private String password = ""; 
 
    private Multipart mp = new MimeMultipart(); //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象 
 
    public MailSend() { 
        try { 
            //  System.out.println("设置系统属性：mail.smtp.host = "+"mail.tplife.com"); 
            if (props == null) { 
                props = System.getProperties(); //获得系统属性对象 
            } 
            props.put("mail.smtp.host", "mail.tplife.com"); //设置SMTP主机 
            //  System.out.println("准备获取邮件会话对象！"); 
            session = Session.getDefaultInstance(props, null); //获得邮件会话对象 
            mimeMsg = new MimeMessage(session); //创建MIME邮件对象 
        } catch (Exception e) { 
            System.err.println("邮件初始化失败！" + e); 
        } 
    } 
 
    public void setSubject(String sub) { 
        try { 
            mimeMsg.setSubject(sub, "GB2312"); 
            //   System.out.println("设置邮件标题为：" + sub + "."); 
        } catch (Exception e) { 
            System.err.println("邮件标题设置失败！" + e); 
        } 
    } 
 
    public void setContent(String text, String type) { 
        try { 
            BodyPart bp = new MimeBodyPart(); 
            bp.setContent(text, type); 
            mp.addBodyPart(bp); 
            //   System.out.println("正在设置邮件内容"); 
        } catch (Exception e) { 
            System.err.println("邮件内容设置失败！" + e); 
        } 
    } 
 
    public void setText(String text) { 
        try { 
            BodyPart bp = new MimeBodyPart(); 
            bp.setText(text); 
            mp.addBodyPart(bp); 
            //  System.out.println("正在设置邮件内容"); 
        } catch (Exception e) { 
            System.err.println("邮件内容设置失败！" + e); 
        } 
    } 
 
    public void addAttach(String AttachURL) { 
        try { 
            //添加附件 
            BodyPart bp = new MimeBodyPart(); 
            BASE64Encoder enc = new BASE64Encoder();//解决附件名乱码问题 
            FileDataSource fileds = new FileDataSource(AttachURL); 
            bp.setDataHandler(new DataHandler(fileds)); 
            bp.setFileName("=?GBK?B?" + enc.encode((fileds.getName()).getBytes()) + "?="); 
            //  System.out.println("增加邮件附件：" + fileds.getName()); 
            mp.addBodyPart(bp); 
        } catch (Exception e) { 
            System.err.println("邮件附件粘贴失败！" + e); 
        } 
    } 
 
    public void clearAttach() { 
        try { 
            int n = mp.getCount(); 
            System.out.println(); 
            for (int i = 0; i <= n - 1; i++) { 
                mp.removeBodyPart(0); 
            } 
            mimeMsg.setContent(mp); 
            mimeMsg.saveChanges(); 
        } catch (Exception e) { 
            System.err.println("清除附件失败！" + e); 
        } 
    } 
 
    public void setFrom(String address) { 
        try { 
            mimeMsg.setFrom(new InternetAddress(address)); //设置发信人 
            //   System.out.println("正在设置发件人地址"); 
        } catch (Exception e) { 
            System.err.println("邮件发件人地址设置失败！" + e); 
        } 
    } 
 
    public void setRecipients(String address) { 
        try { 
            mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(address)); //收信人 
            //  System.out.println("正在设置收件人地址"); 
        } catch (Exception e) { 
            System.err.println("邮件收件人地址设置失败！" + e); 
        } 
    } 
 
    public void setRecipients(String[] address, String type) { 
        try { 
            Address[] add = new Address[address.length]; 
            if (address.length - 1 >= 0) { 
                for (int i = 0; i <= address.length - 1; i++) { 
                    add[i] = new InternetAddress(address[i]); 
                } 
                if (type == null) 
                    type = "TO"; 
                if (type == "TO") 
                    mimeMsg.setRecipients(Message.RecipientType.TO, add); 
                else if (type == "CC") 
                    mimeMsg.setRecipients(Message.RecipientType.CC, add); 
                else if (type == "BCC") 
                    mimeMsg.setRecipients(Message.RecipientType.BCC, add);//收信人 
                else 
                    System.out.println("类型不正确!"); 
                /// System.out.println("正在设置收件人地址"); 
            } 
        } catch (Exception e) { 
            System.err.println("邮件收件人地址设置失败！" + e); 
        } 
    } 
 
    public void setSentDate() { 
        try { 
            mimeMsg.setSentDate(new Date()); 
        } catch (Exception e) { 
            System.err.println("时间设置失败！" + e); 
        } 
    } 
 
    public boolean sendMail() { 
        boolean flag = false; 
        try { 
 
            mimeMsg.setContent(mp); 
            mimeMsg.saveChanges(); 
            System.out.println("正在发送邮件...."); 
            Session mailSession = Session.getInstance(props, null); 
            Transport transport = mailSession.getTransport("smtp"); 
            transport.connect((String) props.get("mail.smtp.host"), username, password); 
            transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO)); 
            System.out.println("发送邮件成功！"); 
            transport.close(); 
            flag = true; 
        } catch (SendFailedException e1) { 
            System.err.println("邮件发送失败SendFailed！" + e1); 
            return false; 
 
        } catch (MessagingException e2) { 
            System.err.println("邮件发送失败Messaging！" + e2); 
            return false; 
 
        } catch (Exception e3) { 
            System.err.println("邮件发送失败！" + e3); 
            return false; 
        } 
 
        return flag; 
    } 
 
    public static void main(String argv[]) { 
 
        MailSend ms = new MailSend(); 
        ms.setSubject(""); 
        ms.setText(""); 
        ms.setFrom("[email protected]"); 
        Vector TO = new Vector(); 
        TO.add("[email protected]"); 
        TO.add("[email protected]"); 
        ms.setRecipients((String[]) TO.toArray(), "TO"); 
        ms.setSentDate(); 
        ms.sendMail(); 
 
    } 
}