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java mail实例

原创 Java 作者:liang573728 时间:2019-04-24 14:54:05 0 删除 编辑
import java.util.Date;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
[@more@]/**
* 利用java.mail的邮件发送程序
*/

public class SendMailTest {
public static void main(String[] args) {
String title = "SendMailTest_title";// 所发送邮件的标题
String from = "XXXXX@163.com";// 从那里发送
String sendTo[] = { "aaaaa@yahoo.com.cn", "123456789@qq.com" };// 发送到那里
// 邮件的文本内容,可以包含html标记则显示为html页面
String content = "mail test!!!!!!
aaa";
// 所包含的附件,及附件的重新命名
String fileNames[] = { "F:text1.txt,text1.txt",
"F:text2.txt,text2.txt" };
try {
sendmail(title, from, sendTo, content, fileNames,
"text/html;charset=gb2312");
} catch (Exception ex) {
ex.printStackTrace();
}
}

@SuppressWarnings("static-access")
public static void sendmail(String subject, String from, String[] to,
String text, String[] filenames, String mimeType) throws Exception {
// 可以从配置文件读取相应的参数
Properties props = new Properties();

String smtp = "smtp.163.com"; // 设置发送邮件所用到的smtp
String servername = "XXXXX";
String serverpaswd = "******";

javax.mail.Session mailSession; // 邮件会话对象
javax.mail.internet.MimeMessage mimeMsg; // MIME邮件对象

props = java.lang.System.getProperties(); // 获得系统属性对象
props.put("mail.smtp.host", smtp); // 设置SMTP主机
props.put("mail.smtp.auth", "true"); // 是否到服务器用户名和密码验证
// 到服务器验证发送的用户名和密码是否正确
Email_Autherticatorbean myEmailAuther = new Email_Autherticatorbean(
servername, serverpaswd);
// 设置邮件会话
mailSession = javax.mail.Session.getInstance(props,
(Authenticator) myEmailAuther);
// 设置传输协议
javax.mail.Transport transport = mailSession.getTransport("smtp");
// 设置from、to等信息
mimeMsg = new javax.mail.internet.MimeMessage(mailSession);
if (from != null && !from.equals("")) {
InternetAddress sentFrom = new InternetAddress(from);
mimeMsg.setFrom(sentFrom); // 设置发送人地址
}

// 收件人
InternetAddress[] sendTo = new InternetAddress[to.length];
for (int i = 0; i < to.length; i++) {
System.out.println("发送到:" + to[i]);
sendTo[i] = new InternetAddress(to[i]);
}

// 抄送
InternetAddress[] sendToCC = new InternetAddress[2];
sendToCC[0] = new InternetAddress("username@hotmail.com");
sendToCC[1] = new InternetAddress("username@gmail.com");

// 密送
InternetAddress[] sendToBCC = new InternetAddress[2];
sendToBCC[0] = new InternetAddress("username@126.com");
sendToBCC[1] = new InternetAddress("username@gmail.com");

mimeMsg.setRecipients(javax.mail.internet.MimeMessage.RecipientType.TO,
sendTo);
mimeMsg.setRecipients(javax.mail.internet.MimeMessage.RecipientType.CC,
sendToCC);
mimeMsg.setRecipients(
javax.mail.internet.MimeMessage.RecipientType.BCC, sendToBCC);

mimeMsg.setSubject(subject, "gb2312");

MimeBodyPart messageBodyPart1 = new MimeBodyPart();
messageBodyPart1.setContent(text, mimeType);

Multipart multipart = new MimeMultipart();// 附件传输格式
multipart.addBodyPart(messageBodyPart1);

for (int i = 0; i < filenames.length; i++) {
MimeBodyPart messageBodyPart2 = new MimeBodyPart();
// 选择出每一个附件名
String filename = filenames[i].split(",")[0];
System.out.println("附件名:" + filename);
String displayname = filenames[i].split(",")[1];
// 得到数据源
FileDataSource fds = new FileDataSource(filename);
// 得到附件本身并设置到BodyPart
messageBodyPart2.setDataHandler(new DataHandler(fds));
// 得到文件名同样设置到BodyPart
messageBodyPart2.setFileName(MimeUtility.encodeText(displayname));
multipart.addBodyPart(messageBodyPart2);
}
mimeMsg.setContent(multipart);
// 设置信件头的发送日期
mimeMsg.setSentDate(new Date());
mimeMsg.saveChanges();

// 发送邮件
transport.send(mimeMsg);
transport.close();
}

}

/**
* 验证类(内部类)
*
* @author Administrator
*
*/
class Email_Autherticatorbean extends Authenticator {
private String m_username = null;
private String m_userpass = null;

public void setUsername(String username) {
m_username = username;
}

public void setUserpass(String userpass) {
m_userpass = userpass;
}

public Email_Autherticatorbean(String username, String userpass) {
super();
setUsername(username);
setUserpass(userpass);

}

public PasswordAuthentication getPasswordAuthentication() {

return new PasswordAuthentication(m_username, m_userpass);
}
}

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