java发送邮件可带附件，以及发送网页等

强大的Java发送邮件案例，支持添加本地附件或网络附件，支持同时添加多个附件，网页引用，图片引用等。
还提供有Java发送邮件所需的javamail.jar包和activation.jar包下载。


所需jar包（javamail.jar和activation.jar共366K）下载地址如下：
http://www.blackswansoft.com/songhaikang/files/myfile/Java%E5%8F%91%E9%80%81%E9%82%AE%E4%BB%B6%E5%B8%B8%E7%94%A8%E5%8C%85.rar

更多热点的Java文章请到黑天鹅软件网站的“推荐文章”版块查看
网站地址如下：http://www.BlackSwanSoft.com/


import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Date;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.MessagingException;
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;
import javax.mail.internet.MimeUtility;

public class MailSend {

/**
* 更强大的发送邮件案例
* 发件方式枚举
* @author lanxj
*/
public enum SendTypeEnum{
TO(0,"发件方式 - 普通发送"),CS(1,"发件方式 - 抄送"),MCS(2,"发件方式 - 密件抄送");
private int type;
private String description;
SendTypeEnum(int type,String desc){
this.type=type;
this.description=desc;
}
public int intValue(){
return this.type;
}
public String getDescription(){
return this.description;
}
}

/** 邮件相关信息 - SMTP 服务器 */
private String smtpHost = null;
/** 邮件相关信息 - 邮件用户名 */
private String username = null;
/** 邮件相关信息 - 密码 */
private String password = null;
/** 邮件相关信息 - 发件人邮件地址 */
private String fromAddress = null;
/** 邮件相关信息 - 邮件主题 */
private String subject = "";
/** 邮件相关信息 - 邮件发送地址 */
private Address[] toAddress = null;
/** 邮件相关信息 - 邮件抄送地址 */
private Address[] csAddress = null;
/** 邮件相关信息 - 邮件密件抄送地址 */
private Address[] mcsAddress = null;
/** 邮件相关信息 - 邮件正文(复合结构) */
private MimeMultipart context = null;

public MailSend() {
context = new MimeMultipart();
}

/**
* 设置 SMTP 服务器
* @param strSMTPHost 邮件服务器名称或 IP
* @param strUser 邮件用户名
* @param strPassword 密码
*/
public void setSMTP(String strSMTPHost, String strUser,
String strPassword) {
this.smtpHost = strSMTPHost;
this.username = strUser;
this.password = strPassword;
}

/**
* 设置邮件发送地址
* @param strFromAddress 邮件发送地址
*/
public void setFromAddress(String strFromAddress) {
this.fromAddress = strFromAddress;
}

/**
* 设置邮件目的地址
* @param strAddress 邮件目的地址列表, 不同的地址可用;号分隔
* @param iAddressType 邮件发送方式 (SendTypeEnum.TO 0, SendTypeEnum.CS 1, SendTypeEnum.MCS 2) 枚举已在本类定义
* @throws AddressException
*/
public void setAddress(String strAddress, SendTypeEnum iAddressType) throws AddressException {
if (iAddressType==SendTypeEnum.TO) {
ArrayList alAddress = splitStr(strAddress, ';');
toAddress = new Address[alAddress.size()];
for (int i = 0; i < alAddress.size(); i++) {
toAddress[i] = new InternetAddress( (String) alAddress.get(i));
}
}else if (iAddressType==SendTypeEnum.CS) {
ArrayList alAddress = splitStr(strAddress, ';');
csAddress = new Address[alAddress.size()];
for (int i = 0; i < alAddress.size(); i++) {
csAddress[i] = new InternetAddress( (String) alAddress.get(i));
}
}else if (iAddressType==SendTypeEnum.MCS) {
ArrayList alAddress = splitStr(strAddress, ';');
mcsAddress = new Address[alAddress.size()];
for (int i = 0; i < alAddress.size(); i++) {
mcsAddress[i] = new InternetAddress( (String) alAddress.get(i));
}
}
}

/**
* 设置邮件主题
* @param strSubject 邮件主题
*/
public void setSubject(String strSubject) {
this.subject = strSubject;
}

/**
* 设置邮件文本正文
* @param strTextBody 邮件文本正文
* @throws MessagingException
*/
public void setContext(String strTextBody) throws MessagingException {
MimeBodyPart mimebodypart = new MimeBodyPart();
mimebodypart.setText(strTextBody, "GBK");
context.addBodyPart(mimebodypart);
}

/**
* 设置邮件超文本正文
* @param strHtmlBody 邮件超文本正文
* @throws MessagingException
*/
public void setHtmlContext(String strHtmlBody) throws MessagingException {
MimeBodyPart mimebodypart = new MimeBodyPart();
mimebodypart.setDataHandler(new DataHandler(strHtmlBody, "text/html;charset=GBK"));
context.addBodyPart(mimebodypart);
}

/**
* 设置邮件正文外部链接 URL, 信体中将包含链接所指向的内容
* @param strURLAttachment 邮件正文外部链接 URL
* @throws MessagingException
* @throws MalformedURLException
*/
public void setURLAttachment(String strURLAttachment) throws
MessagingException, MalformedURLException {
MimeBodyPart mimebodypart = new MimeBodyPart();
mimebodypart.setDataHandler(new DataHandler(new URL(strURLAttachment)));
context.addBodyPart(mimebodypart);
}

/**
* 设置邮件附件
* @param strFileAttachment 文件的全路径
* @throws MessagingException
* @throws UnsupportedEncodingException
*/
public void setFileAttachment(String strFileAttachment) throws MessagingException, UnsupportedEncodingException {
File path = new File(strFileAttachment);
if (!path.exists() || path.isDirectory()) {
return;
}
String strFileName = path.getName();
MimeBodyPart mimebodypart = new MimeBodyPart();
mimebodypart.setDataHandler(new DataHandler(new FileDataSource(
strFileAttachment)));
// modified by zord @ 2003/6/16 to support Chinese File Name
// mimebodypart.setFileName(strFileName);
mimebodypart.setFileName(MimeUtility.encodeText(strFileName));
// end of modify
context.addBodyPart(mimebodypart);
}

/**
* 主方法：邮件发送(一次发送多个地址, 优点速度快, 但是有非法邮件地址时将中断发送操作)
* 前提条件{
* setSMTP();【必选】
* setFromAddress();【必选】
* setAddress();【必选】
* setSubject();【必选】
* set*Context();【必选】
* set*Attachment();【可选】
* }
* @throws MessagingException
*/
@SuppressWarnings("static-access")
public void sendBatch() throws MessagingException {
Properties properties = new Properties();
properties.put("mail.smtp.host", this.smtpHost);
properties.put("mail.smtp.auth", "true");//必须
Session session = Session.getInstance(properties, new Authenticator(){
protected javax.mail.PasswordAuthentication getPasswordAuthentication(){//这个很重要，当今mail服务器大多都是通过认证才能发信的
return new javax.mail.PasswordAuthentication(MailSend.this.username, MailSend.this.password);
}
});
MimeMessage mimemessage = new MimeMessage(session);
mimemessage.setFrom(new InternetAddress(this.fromAddress));
if (toAddress != null) {
mimemessage.addRecipients(javax.mail.Message.RecipientType.TO, this.toAddress);
}
if (csAddress != null) {
mimemessage.addRecipients(javax.mail.Message.RecipientType.CC, this.csAddress);
}
if (mcsAddress != null) {
mimemessage.addRecipients(javax.mail.Message.RecipientType.BCC, this.mcsAddress);
}
mimemessage.setSubject(this.subject);
mimemessage.setContent(this.context);
mimemessage.setSentDate(new Date());

/*发送方式一
Transport transport = session.getTransport("smtp");
transport.connect(this.smtpHost, this.username, this.password);
transport.send(mimemessage);
*/
//发送方式二
Transport.send(mimemessage);

System.out.println("已向下列邮箱发送了邮件");
showAddress(toAddress,csAddress,mcsAddress);
}

/**
* 显示所有的收件人地址信息
* @param addresses
*/
private static void showAddress(Address[] ... addresses){
if (addresses != null) {
for (int i = 0; i < addresses.length; i++) {
if(addresses[i]!=null){
for (int j = 0; j < addresses[i].length; j++) {
System.out.println(addresses[i][j]);
}
}
}
}
}

/**
* 将字符串分割成字符串集合
* @param str 字符串
* @param sp 分隔符
* @return
*/
private static ArrayList splitStr(String str,char sp){
ArrayList retu=new ArrayList();
String []res=str.split(""+sp);
for (String s : res) {
retu.add(s);
}
return retu;
}


public static void main(String[] args) {
try {
MailSend mail=new MailSend();
mail.setFromAddress("[e-mail]");
mail.setSMTP("smtp.163.com","[e-mail]","password");

mail.setAddress("[e-mail];[e-mail]",SendTypeEnum.TO);
// mail.setAddress("[e-mail]", SendTypeEnum.CS);
// mail.setAddress("[e-mail]", SendTypeEnum.MCS);
mail.setSubject("邮件发送测试");//标题
// mail.setContext("如有打扰，请见谅，谢谢！");//内容
// mail.setHtmlContext("如有打扰，请见谅，谢谢！");//支持html
try{
mail.setFileAttachment("D:\temp\tnsnames_sh.ora");//本地附件
mail.setURLAttachment("http://static.tieba.baidu.com/tb/img/2010120801.jpg");//网络文件
// mail.setURLAttachment("http://static.tieba.baidu.com/tb/editor/images/jd/j_0017.gif");
mail.setURLAttachment("http://tieba.baidu.com");//引用网页
}catch (Exception e) {
System.out.println("附件发送异常");
}
mail.sendBatch();
} catch (AddressException e) {
e.printStackTrace();
} catch (MessagingException e) {
e.printStackTrace();
}
}

}


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