javaMail邮件发送

最近项目需要做了一个例子..跟大家分享~~~ 有问题我们可以一起交流.~~~

 

package com.me.util.mail;

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.Multipart;
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;

/**
 * @author kangkang http://corncc.ikdiy.com 2005.4.14
 */
public class Mail {
    // 21-30行把本程序所用变量进行定义。 具体在main中对它们赋植。
    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; // 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 Mail(String smtp) {
        setSmtpHost(smtp);
        createMimeMessage();
    }

    /**
     * @param hostName
     *            String
     */
    public void setSmtpHost(String hostName) {
        System.out.println("设置系统属性：mail.smtp.host = " + hostName);
        if (props == null)
            props = System.getProperties(); // 获得系统属性对象
        props.put("mail.smtp.host", hostName); // 设置SMTP主机
    }

    /**
     * @return boolean
     *
     */
    public boolean createMimeMessage() {
        try {
            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
        } catch (Exception e) {
            System.err.println("获取邮件会话对象时发生错误！" + e);
            return false;
        }
        System.out.println("准备创建MIME邮件对象！");
        try {
            mimeMsg = new MimeMessage(session); // 创建MIME邮件对象
            mp = new MimeMultipart(); // mp 一个multipart对象
            // Multipart is a container that holds multiple body parts.
            return true;
        } catch (Exception e) {
            System.err.println("创建MIME邮件对象失败！" + e);
            return false;
        }
    }

    /**
     * @param need
     *            boolean
     *
     */
    public void setNeedAuth(boolean need) {
        System.out.println("设置smtp身份认证：mail.smtp.auth = " + need);
        if (props == null)
            props = System.getProperties();
        if (need) {
            props.put("mail.smtp.auth", "true");
        } else {
            props.put("mail.smtp.auth", "false");
        }
    }

    /**
     *
     * @param name
     *            String
     *
     * @param pass
     *            String
     *
     */
    public void setNamePass(String name, String pass) {
        System.out.println("程序得到用户名与密码");
        username = name;
        password = pass;
    }

    /**
     *
     * @param mailSubject
     *            String
     * @return boolean
     *
     */
    public boolean setSubject(String mailSubject) {
        System.out.println("设置邮件主题！");
        try {
            mimeMsg.setSubject(mailSubject);
            return true;
        } catch (Exception e) {
            System.err.println("设置邮件主题发生错误！");
            return false;
        }
    }

    /**
     *
     * @param mailBody
     *            String
     *
     */
    public boolean setBody(String mailBody) {
        try {
            System.out.println("设置邮件体格式");
            BodyPart bp = new MimeBodyPart();
            bp.setContent(
                    ""
                            + mailBody, "text/html;charset=GB2312");
            mp.addBodyPart(bp);
            return true;
        } catch (Exception e) {
            System.err.println("设置邮件正文时发生错误！" + e);
            return false;
        }
    }

    /**
     *
     * @param name
     *            String
     * @param pass
     *            String
     */
    public boolean addFileAffix(String filename) {
        System.out.println("增加邮件附件：" + filename);
        try {
            BodyPart bp = new MimeBodyPart();
            FileDataSource fileds = new FileDataSource(filename);
            bp.setDataHandler(new DataHandler(fileds));
            bp.setFileName(fileds.getName());
            mp.addBodyPart(bp);
            return true;
        } catch (Exception e) {
            System.err.println("增加邮件附件：" + filename + "发生错误！" + e);
            return false;
        }
    }

    /**
     * @param name
     *            String
     *
     * @param pass
     *            String
     */
    public boolean setFrom(String from) {
        System.out.println("设置发信人！");
        try {
            mimeMsg.setFrom(new InternetAddress(from)); // 设置发信人
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * @param name
     *            String
     *
     * @param pass
     *            String
     *
     */
    public boolean setTo(String to) {
        System.out.println("设置收信人");
        if (to == null)
            return false;
        try {
            mimeMsg.setRecipients(Message.RecipientType.TO,
                    InternetAddress.parse(to));
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * @param name
     *            String
     *
     * @param pass
     *            String
     */
    public boolean setCopyTo(String copyto) {
        System.out.println("发送附件到");
        if (copyto == null)
            return false;
        try {
            mimeMsg.setRecipients(Message.RecipientType.CC,
                    (Address[]) InternetAddress.parse(copyto));
            return true;
        } catch (Exception e) {
            return false;
        }
    }

    /**
     * @param name
     *            String
     *
     * @param pass
     *            String
     *
     */
    public boolean sendout() {
        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));
            // transport.send(mimeMsg);
            System.out.println("发送邮件成功！");
            transport.close();
            return true;
        } catch (Exception e) {
            System.err.println("邮件发送失败！" + e);
            return false;
        }
    }

    /**
     * Just do it as this
     */
    public static void main(String[] args) {
        String mailbody = "http://www.laabc.com 用户邮件注册测试 欢迎光临 啦ABC";
        Mail themail = new Mail("smtp.163.com");
        themail.setNeedAuth(true);
        if (themail.setSubject("laabc.com邮件测试") == false)
            return;
        // 邮件内容 支持html 如 欢迎光临
        // href=\"http://www.laabc.com\">啦ABC
        if (themail.setBody(mailbody) == false)
            return;
        // 收件人邮箱
        if (themail.setTo("[email protected]") == false)
            return;
        // 发件人邮箱
        if (themail.setFrom("[email protected]") == false)
            return;
        // 设置附件
         if (themail.addFileAffix("C:\\TwoColorBall.java") == false)
         return; // 附件在本地机子上的绝对路径
        themail.setNamePass("lisi", "{password}"); // 用户名与密码 ("用户名不要后缀", "{密码}")
        if (themail.sendout() == false)
            return;
    }
}

~