java mail 带附件 (一)

2014-11-24 10:46:23 · 作者: · 浏览: 3

package com.icss.study.sendemail;


import java.util.Date;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;
import javax.activation.*;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
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 javax.mail.internet.MimeUtility;
import java.io.FileInputStream;
import java.io.IOException;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import java.util.regex.Pattern;
/**
* Title: 使用javamail发送邮件
*/
public class MailUtils {
String to = "";// 收件人
String from = "";// 发件人
String host = "";// smtp主机
String username = "";
String password = "";
String filename = "";// 附件文件名
String subject = "";// 邮件主题
String content = "";// 邮件正文
Vector file = new Vector();// 附件文件集合


public MailUtils() {
}


public MailUtils(String to, String from, String smtpServer,
String username, String password, String subject, String content) {
this.to = to;
this.from = from;
this.host = smtpServer;
this.username = username;
this.password = password;
this.subject = subject;
this.content = content;
}


public void setHost(String host) {
this.host = host;
}


/**
* 方法说明:设置登录服务器校验密码

* 输入参数:

* 返回类型:
*/


public void setPassWord(String pwd) {
this.password = pwd;
}


/**
* 方法说明:设置登录服务器校验用户

* 输入参数:

* 返回类型:
*/


public void setUserName(String usn) {
this.username = usn;
}


/**
* 方法说明:设置邮件发送目的邮箱

* 输入参数:

* 返回类型:
*/


public void setTo(String to) {
this.to = to;
}


/**
* 方法说明:设置邮件发送源邮箱

* 输入参数:

* 返回类型:
*/


public void setFrom(String from) {
this.from = from;
}


/**
* 方法说明:设置邮件主题

* 输入参数:

* 返回类型:
*/


public void setSubject(String subject) {
this.subject = subject;
}


/**
* 方法说明:设置邮件内容

* 输入参数:

* 返回类型:
*/


public void setContent(String content) {
this.content = content;
}


/**
* 方法说明:把主题转换为中文

* 输入参数:String strText

* 返回类型:
*/


public String transferChinese(String strText) {
try {
strText = MimeUtility.encodeText(new String(strText.getBytes(),
"GB2312"), "GB2312", "B");
} catch (Exception e) {
e.printStackTrace();
}
return strText;
}


/**
* 方法说明:往附件组合中添加附件

* 输入参数:

* 返回类型:
*/
public void attachfile(String fname) {
file.addElement(fname);
}
/**
* 方法说明:发送邮件

* 输入参数:

* 返回类型:boolean 成功为true,反之为false
*/


public boolean sendMail() {
// 构造mail session
Properties props = new Properties();
props.put("mail.smtp.host", host);
props.put("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(props,
new Authenticator() {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});


// Session session = Session.getDefaultInstance(props);
// Session session = Session.getDefaultInstance(props, null);
try {
MimeMessage msg = new MimeMessage(session); // 构造MimeMessage 并设定基本的值
// MimeMessage msg = new MimeMessage();
msg.setFrom(new InternetAddress(from));
// msg.addRecipients(Message.RecipientType.TO, address);
// //这个只能是给一个人发送email
msg.setRecipients(Message.RecipientType.BCC, InternetAddress
.parse(to));
subject = transferChinese(subject);
msg.setSub