【文件属性】：
文件名称：java发送邮件jar
文件大小：348KB
文件格式：JAR
更新时间：2012-09-21 04:55:29
邮件
package Mail;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
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.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class MailUtil {
/**
* 设置发邮件的邮件会话
* @param host
* @param IsCheck
* @return
*/
public static Session getSession(String host, boolean IsCheck) {
Properties properties = new Properties();
properties.put("mail.smtp.host", host);
try {
if (IsCheck) {
properties.put("mail.smtp.auth", "true");
} else {
properties.put("mail.smtp.auth", "false");
}
} catch (Exception e) {
properties.put("mail.smtp.auth", "true");
}
return Session.getDefaultInstance(properties);
}
/**
* 产生消息对象
* Message.RecipientType.TO 收件人
* Message.RecipientType.CC 抄送
* Message.RecipientType.BCC 暗送
* @param session 短信会话
* @param mailutil
* @param address 邮件的基本内容(接收人,发送人,标题,内容等)
* @return 消息对象
* @throws MessagingException
*/
public static MimeMessage getMimeMessage(Session session, Multipart mailutil, AddressUtil addressUtil) throws MessagingException {
MimeMessage mimeMessage = new MimeMessage(session);
mimeMessage.setFrom(new InternetAddress(addressUtil.getFrom()));//加载发件人地址，需要显示多个from地址，可以使用addFrom()方法
if (!IsEmpty(addressUtil.getTo())) {//加载单个收件人地址
mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(addressUtil.getTo()));
}
if (addressUtil.getTos() != null && addressUtil.getTos().length > 0) {//加载多个收件人
List adresss = MailUtil.getInternetAddresss(addressUtil.getTos());
if (!IsEmpty(addressUtil.getTo())) {
adresss.add(new InternetAddress(addressUtil.getTo()));
}
mimeMessage.setRecipients(Message.RecipientType.TO, adresss.toArray(new InternetAddress[adresss.size()]));
}
mimeMessage.setSubject(addressUtil.getSubject());//加载标题
mimeMessage.setContent(mailutil);//将multipart对象放到message中
mimeMessage.setSentDate(new Date());//设置日期
return mimeMessage;
}
/**
* 得到 Transport类
* @param session 会话
* @param addressUtil 邮件内容
* @return 发送邮件需要的Transport类
* @throws MessagingException
*/
public static Transport getTransport(Session session, AddressUtil addressUtil) throws MessagingException {
Transport transport = session.getTransport("smtp");
transport.connect(addressUtil.getHost(), addressUtil.getUser(), addressUtil.getPwd());// 连接服务器的邮箱
if (addressUtil.getPort() != 25) {// 连接服务器的邮箱
transport.connect(addressUtil.getHost(), 25, addressUtil.getUser(), addressUtil.getPwd());
}
return transport;
}
/**
*
* @param contentPart
* @return
* @throws MessagingException
*/
public static Multipart getMultipart(List contentPart) throws MessagingException {
Multipart multipart = null;
if (contentPart != null && contentPart.size() > 0) {
multipart = new MimeMultipart();
for (BodyPart part : contentPart) {
multipart.addBodyPart(part);
}
}
return multipart;
}
/**
* 设置邮件的文本内容
* @param txt 邮件内容
* @return BodyPart
* @throws MessagingException
*/
public static BodyPart getBodyPart(String txt) throws MessagingException {
BodyPart bodyPart = new MimeBodyPart();
bodyPart.setText(txt);
return bodyPart;
}
/**
* 添加附件
* @param filepath 文件路径
* @param encoding 编码格式
* @param filename 文件名称
* @return
* @throws MessagingException
*/
public static BodyPart getBodyPart(String filepath, String encoding, String filename) throws MessagingException {
BodyPart bodyPart = new MimeBodyPart();
if (IsEmpty(filepath)) {// 添加附件的内容
bodyPart.setDataHandler(new DataHandler(new FileDataSource(filepath)));
}
if (IsEmpty(filename)) {// 添加附件的标题(这里很重要，通过下面的Base64编码的转换可以保证你的中文附件标题名在发送时不会变成乱码)
sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
if (IsEmpty(encoding)) {
bodyPart.setFileName("=?GBK?B?" + enc.encode(filename.getBytes())+ "?=");
} else {
bodyPart.setFileName("=?" + encoding + "?B?" + enc.encode(filename.getBytes()) + "?=");
}
}
return bodyPart;
}
/**
* 处理多附件附件
* @param maps
* @param encoding
* @param parts
* @return
* @throws MessagingException
*/
public static List getBodyParts(Map maps, String encoding, List parts) throws MessagingException {
if (maps != null && maps.size() > 0) {
Set files = maps.keySet();
for (String filename : files) {
BodyPart part = new MimeBodyPart();
if (!IsEmpty(maps.get(filename)) && !IsEmpty(filename)) {// 添加附件的内容
part.setDataHandler(new DataHandler(new FileDataSource(maps.get(filename))));
// 添加附件的标题
// 这里很重要，通过下面的Base64编码的转换可以保证你的中文附件标题名在发送时不会变成乱码
sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
if (IsEmpty(encoding)) {
part.setFileName("=?GBK?B?" + enc.encode(filename.getBytes()) + "?=");
} else {
part.setFileName("=?" + encoding + "?B?" + enc.encode(filename.getBytes()) + "?=");
}
parts.add(part);
}
}
}
return parts;
}
/**
* 处理多人发送
* @param strs
* @return
* @throws AddressException
*/
public static List getInternetAddresss(String[] strs) throws AddressException {
List address = new ArrayList();
for (int i = 1; i < strs.length; i++) {
if (!IsEmpty(strs[i])) {
address.add(new InternetAddress(strs[i]));
}
}
return address;
}
public static void send(AddressUtil addressu) {
Session session = MailUtil.getSession(addressu.getHost(), true);
session.setDebug(true);//在console处显示发送邮件过程信息
try {
BodyPart contentPart = MailUtil.getBodyPart(addressu.getTxt());// 设置邮件的文本内容
List parts = new ArrayList();
parts.add(contentPart);
// 添加附件
// 向multipart对象中添加邮件的各个部分内容，包括文本内容和附件
MailUtil.getBodyParts(addressu.getFilemap(),addressu.getEncoding(), parts);
Multipart multipart = MailUtil.getMultipart(parts);
MimeMessage mimeMessage = MailUtil.getMimeMessage(session, multipart, addressu);
// 保存邮件
mimeMessage.saveChanges();
// 发送邮件
Transport transport = getTransport(session, addressu);
// 把邮件发送出去
transport.sendMessage(mimeMessage, mimeMessage.getAllRecipients());
transport.close();// 关闭连接
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 判断是否为空
* @param obj
* @return true false
*/
private static boolean IsEmpty(String string) {
try {
if (string == null || string.equals("")) {
return true;
} else {
return false;
}
} catch (Exception e) {
return true;
}
}
}
