http://hi.baidu.com/yuzhi2217/blog/item/37903ad514df10c650da4b7c.html
用到的包名
activation.jar
mail.jar
java日志文件包可以不用
log4j-1.2.11.jar
源代码如下：
package test;
import java.awt.List;
import java.net.MalformedURLException;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
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 org.dom4j.DocumentException;
/**
* @author 俞晓坚
*update 2007-08-15
*
*/
public class MailSendtest {
String host="smtp.163.com";
String userName="yuxia2217";//可替换为你自己的邮箱用户名
String password="***************************";//不好意思密码不能给你们看
String [email protected] //你要发送的邮箱名称
String to;//发给谁
String subject;//邮件议题
String body;//内容
String fileName;//附件路径（注意绝对路径和相对路径的选择）
// 用于保存发送附件的文件名列表
List arrFileName = new List();
public MailSendtest(String to, String subject, String body)
throws MalformedURLException, DocumentException {
//初始化发件人、收件人、主题等
this.to = to;
this.subject =subject;
this.body = body;
}
// 用于收集附件名
public void attachFile(String fileName) {
this.arrFileName.add(fileName);
}
// 开始发送
public boolean startSend() {
//创建Properties对象
Properties props = System.getProperties();
//创建信件服务器
props.put("mail.smtp.host", this.host);
// props.put("mail.smtp.host", "smtp.163.com");
props.put("mail.smtp.auth", "true"); //通过验证
//得到默认的对话对象
Session session = Session.getDefaultInstance(props, null);
try {
//创建一个消息，并初始化该消息的各项元素
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(this.from));
if (this.to.trim().length() > 0) {
String[] arr = this.to.split(",");
//int ReceiverCount=1;
int receiverCount = arr.length;
if (receiverCount > 0) {
InternetAddress[] address = new InternetAddress[receiverCount];
for (int i = 0; i < receiverCount; i++) {
address[i] = new InternetAddress(arr[i]);
}
msg.addRecipients(Message.RecipientType.TO, address);
} else {
System.out
.println("None receiver! The program will be exit!");
System.exit(0);
}
} else {
System.out.println("None receiver! The program will be exit!");
System.exit(0);
}
msg.setSubject(subject);
//后面的BodyPart将加入到此处创建的Multipart中
Multipart mp = new MimeMultipart();
//获取附件
int FileCount = this.arrFileName.getItemCount();
if (FileCount > 0) {
for (int i = 0; i < FileCount; i++) {
MimeBodyPart mbp = new MimeBodyPart();
//选择出附件名
fileName = arrFileName.getItem(i).toString();
//得到数据源
FileDataSource fds = new FileDataSource(fileName);
//得到附件本身并至入BodyPart
mbp.setDataHandler(new DataHandler(fds));
//得到文件名同样至入BodyPart
mbp.setFileName(fds.getName());
mp.addBodyPart(mbp);
}
MimeBodyPart mbp = new MimeBodyPart();
mbp.setText(this.body);
mp.addBodyPart(mbp);
//移走集合中的所有元素
arrFileName.removeAll();
//Multipart加入到信件
msg.setContent(mp);
} else {
//设置邮件正文
msg.setText(this.body);
}
//设置信件头的发送日期
msg.setSentDate(new Date());
msg.saveChanges();
//发送信件
Transport transport = session.getTransport("smtp");
transport.connect(this.host, this.userName, this.password);
transport.sendMessage(msg, msg
.getRecipients(Message.RecipientType.TO));
transport.close();
} catch (MessagingException mex) {
mex.printStackTrace();
Exception ex = null;
if ((ex = mex.getNextException()) != null) {
ex.printStackTrace();
}
return false;
}
return true;
}
public static void main(String[] args) {
try {
MailSendtest sendmail = new MailSendtest("[email protected],[email protected]",
"邮件主题", "邮件内容");
sendmail.attachFile("E:\\eclipse\\startup.jar");//附件地址
sendmail.attachFile("E:\\eclipse\\notice.html");/ /附件2地址;根据需要可继续添加....................
sendmail.startSend();
System.out.println("OK");
} catch (Exception e) {
e.printStackTrace();
}
}
}