用java发邮件之一 (直接源于真实项目) 【原】

真实项目应用的java发送邮件，应该还待进一步完善。

依赖 mail-1.4.jar

jar包下载地址: http://mvnrepository.com/artifact/javax.mail/mail/1.4.7

import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
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;

Mail.java

package com.testdemo.tool.zsmail;

import java.io.Serializable;

/**
 * Mail属性实体
 *
 * @author shadow
 *
 */
@SuppressWarnings("serial")
public class Mail implements Serializable {

    public static final String ENCODEING = "UTF-8";

    private String sender;// ProperUtil.get("mail_account"); // 发件人的邮箱

    private String name; // 发件人昵称

    private String subject; // 主题

    private String message; // 信息(支持HTML)

    private String[] receivers; // 收件人的邮箱

    public String getSender() {
        return sender;
    }

    public void setSender(String sender) {
        this.sender = sender;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getSubject() {
        return subject;
    }

    /**
     * 设置主题
     *
     * @param subject
     */
    public void setSubject(String subject) {
        this.subject = subject;
    }

    public String getMessage() {
        return message;
    }

    /**
     * 设置发送消息
     *
     * @param message
     */
    public void setMessage(String message) {
        this.message = message;
    }

    public String[] getReceivers() {
        return receivers;
    }

    /**
     * 设置接收者
     *
     * @param receivers
     */
    public void setReceivers(String[] receivers) {
        this.receivers = receivers;
    }

}

MailTool.java

package com.testdemo.tool.zsmail;

import java.util.Date;
import java.util.Properties;

import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
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;

import java.util.HashMap;

public class MailTool {

    private static Properties prop = new Properties();
    private static Session session = null;

    static {
        prop.put("mail.smtp.auth", "true");
        prop.put("mail.smtp.host", "smtp.qq.com");//邮件服务器
        prop.put("mail.smtp.port", "25");
        prop.put("mail.transport.protocol", "smtp");
        prop.put("mail_account", "");//qq帐号
        prop.put("mail_password", "");//qq密码

        if (null == session)
            session = Session.getInstance(prop);
    }

    public static synchronized HashMap<String, Object> sendMail(Mail mail) {
        String error = "";
        boolean b = false;
        Message msg = null;
        BodyPart messageBodyPart = null;
        Multipart multipart = null;
        Transport tran = null;
        try {
            msg = new MimeMessage(session); // 建立信息
            messageBodyPart = new MimeBodyPart();
            multipart = new MimeMultipart();
            msg.setFrom(new InternetAddress(prop.getProperty("mail_account"))); // 发件人
            InternetAddress[] receivers = InternetAddress.parse(getMailList(mail.getReceivers()));
            msg.setRecipients(Message.RecipientType.TO, receivers); // 收件人
            msg.setSentDate(new Date()); // 发送日期
            msg.setSubject(mail.getSubject()); // 主题
            msg.setText(mail.getMessage()); // 内容
            // 显示以html格式的文本内容
            messageBodyPart.setContent(mail.getMessage(), "text/html;charset=UTF-8");
            multipart.addBodyPart(messageBodyPart);
            msg.setContent(multipart);
            tran = session.getTransport("smtp");
            tran.connect(prop.getProperty("mail.smtp.host"), prop.getProperty("mail_account"), prop.getProperty("mail_password"));
            tran.sendMessage(msg, msg.getAllRecipients()); // 发送
            b = true;
        } catch (Exception e) {
            e.printStackTrace();
            b = false;
            error = e.getMessage();
        } finally {
            System.out.println("邮件发送" + (b == true ? "成功" : "失败"));
            try {
                if (null != tran)
                    tran.close();
            } catch (MessagingException e) {
                e.printStackTrace();
            }
        }
        HashMap<String, Object> map = new HashMap<String, Object>();
        map.put("status", b);
        map.put("error", error);
        return map;
    }

    public static String getMailList(String[] mailArray) {
        StringBuffer toList = new StringBuffer();
        int length = mailArray.length;
        if (mailArray != null && length < 2) {
            toList.append(mailArray[0]);
        } else {
            for (int i = 0; i < length; i++) {
                toList.append(mailArray[i]);
                if (i != (length - 1)) {
                    toList.append(",");
                }
            }
        }
        return toList.toString();
    }

    public static void help(){
        System.out.println(
        "public static void main(String[] args) {\n"+
        "\tMail mail = new Mail();//基本对象\n"+
        "\tmail.setReceivers(new String[] { \"[e-mail]\", \"[e-mail]\" });//接收者数组\n"+
        "\tmail.setSubject(\"subject\");//主题\n"+
        "\tmail.setMessage(\"message\");//内容\n"+
        "\tsendMail(mail);//发送\");\n"+
        "}");
    }

    public static void main(String[] args) {
//        Mail mail = new Mail();//基本对象
//        mail.setReceivers(new String[] { "[e-mail]", "[e-mail]" });//接收者数组
//        mail.setSubject("subject");//主题
//        mail.setMessage("message");//内容
//        sendMail(mail);//发送
        help();
    }
}

其它

java mail(发送邮件--163邮箱)

javamail 发送邮件失败（被网易禁止）解决办法

开启 SSL 加密

抄送