package com.thinkgem.jeesite.common.utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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;
/**
* <p>
* Title: 使用javamail发送邮件
* </p>
*/
public class MailUtils {
private static Logger logger = LoggerFactory.getLogger(MailUtils.class);
String to = "";// 收件人
String toCC = "";//抄送
String toBcc = "";//密送
String from = "";// 发件人
String host = "";// smtp主机
String port = "";
String username = "";
String password = "";
String filename = "";// 附件文件名
String subject = "";// 邮件主题
String content = "";// 邮件正文
String imagepath = "";// 图片路径
Vector file = new Vector();// 附件文件集合
public String getImagepath() {
return imagepath;
}
public void setImagepath(String imagepath) {
this.imagepath = imagepath;
}
/**
* <br>
* 方法说明:默认构造器 <br>
* 输入参数: <br>
* 返回类型:
*/
public MailUtils() {
}
/**
* <br>
* 方法说明:构造器,提供直接的参数传入 <br>
* 输入参数: <br>
* 返回类型:
*/
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 setPort(String port){
this.port = port;
}
/**
* <br>
* 方法说明:设置邮件服务器地址 <br>
* 输入参数:String host 邮件服务器地址名称 <br>
* 返回类型:
*/
public void setHost(String host) {
this.host = host;
}
/**
* <br>
* 方法说明:设置登录服务器校验密码 <br>
* 输入参数: <br>
* 返回类型:
*/
public void setPassWord(String pwd) {
this.password = pwd;
}
/**
* <br>
* 方法说明:设置登录服务器校验用户 <br>
* 输入参数: <br>
* 返回类型:
*/
public void setUserName(String usn) {
this.username = usn;
}
/**
* <br>
* 方法说明:设置邮件发送目的邮箱 <br>
* 输入参数: <br>
* 返回类型:
*/
public void setTo(String to) {
this.to = to;
}
/**
* 设置抄送者
*
* */
public void setToCC(String to){
this.toCC = to;
}
public void setToBcc(String to){
this.toBcc = to;
}
/**
* <br>
* 方法说明:设置邮件发送源邮箱 <br>
* 输入参数: <br>
* 返回类型:
*/
public void setFrom(String from) {
this.from = from;
}
/**
* <br>
* 方法说明:设置邮件主题 <br>
* 输入参数: <br>
* 返回类型:
*/
public void setSubject(String subject) {
this.subject = subject;
}
/**
* <br>
* 方法说明:设置邮件内容 <br>
* 输入参数: <br>
* 返回类型:
*/
public void setContent(String content) {
this.content = content;
}
/**
* <br>
* 方法说明:把主题转换为中文 <br>
* 输入参数:String strText <br>
* 返回类型:
*/
public String transferChinese(String strText) {
try {
strText = MimeUtility.encodeText(new String(strText.getBytes("UTF-8"),
"UTF-8"), "UTF-8", "B");
} catch (Exception e) {
e.printStackTrace();
}
return strText;
}
/**
* <br>
* 方法说明:往附件组合中添加附件 <br>
* 输入参数: <br>
* 返回类型:
*/
public void attachfile(String fname) {
file.addElement(fname);
}
/**
* <br>
* 方法说明:发送邮件 <br>
* 输入参数: <br>
* 返回类型:boolean 成功为true,反之为false
*/
public boolean sendMail() {
logger.info("------开始发邮件------");
// 构造mail session
Properties props = new Properties() ;
props.put("mail.smtp.host", host);
props.put("mail.smtp.auth", "true");
if(port != "")
props.put("mail.smtp.port", port);
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 {
// 构造MimeMessage 并设定基本的值
MimeMessage msg = new MimeMessage(session);
//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
//设置接收者
if(!Empty2String(to))
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to)) ;
//设置抄送者
if(!Empty2String(toCC))
msg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(toCC)) ;
//设置密送者
if(!Empty2String(toBcc))
msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(toBcc)) ;
subject = transferChinese(subject);
msg.setSubject(subject);
// 构造Multipart
Multipart mp = new MimeMultipart();
// 向Multipart添加正文
MimeBodyPart mbpContent = new MimeBodyPart();
mbpContent.setContent(content, "text/html;charset=gb2312");
// 向MimeMessage添加(Multipart代表正文)
mp.addBodyPart(mbpContent);
// 向Multipart添加附件
Enumeration efile = file.elements();
while (efile.hasMoreElements()) {
MimeBodyPart mbpFile = new MimeBodyPart();
filename = efile.nextElement().toString();
FileDataSource fds = new FileDataSource(filename);
mbpFile.setDataHandler(new DataHandler(fds));
//<SPAN style="COLOR: #ff0000">//这个方法可以解决附件乱码问题。</SPAN>
String filename= new String(fds.getName().getBytes(),"ISO-8859-1");
mbpFile.setFileName(filename);
// 向MimeMessage添加(Multipart代表附件)
mp.addBodyPart(mbpFile);
}
file.removeAllElements();
// 向Multipart添加MimeMessage
msg.setContent(mp);
msg.setSentDate(new Date());
msg.saveChanges() ;
// 发送邮件
Transport transport = session.getTransport("smtp");
transport.connect(host, username, password);
transport.sendMessage(msg, msg.getAllRecipients());
transport.close();
} catch (Exception mex) {
mex.printStackTrace();
logger.info("---发邮件报错信息----"+mex.getMessage());
// Exception ex = null;
// if ((ex = mex.getNextException()) != null) {
// ex.printStackTrace();
// }
return false;
}
return true;
}
/***
* 发送带有图片的邮件
* @return
*/
public boolean sendPicMail() {
logger.info("------开始发邮件------");
// 构造mail session
Properties props = new Properties() ;
props.put("mail.smtp.host", host);
props.put("mail.smtp.auth", "true");
if(port != "")
props.put("mail.smtp.port", port);
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 {
// 构造MimeMessage 并设定基本的值
MimeMessage msg = new MimeMessage(session);
//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
//设置接收者
if(!Empty2String(to))
msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to)) ;
//设置抄送者
if(!Empty2String(toCC))
msg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(toCC)) ;
//设置密送者
if(!Empty2String(toBcc))
msg.setRecipients(Message.RecipientType.BCC, InternetAddress.parse(toBcc)) ;
subject = transferChinese(subject);
msg.setSubject(subject);
// 构造Multipart
MimeMultipart mp = new MimeMultipart("related");
// 向Multipart添加正文
MimeBodyPart mbpContent = new MimeBodyPart();
mbpContent.setContent(content, "text/html;charset=gb2312");
// 向MimeMessage添加(Multipart代表正文)
mp.addBodyPart(mbpContent);
// second part (the image)
MimeBodyPart imageBodyPart = new MimeBodyPart();
DataSource imageds = new FileDataSource(imagepath);
imageBodyPart.setDataHandler(new DataHandler(imageds));
imageBodyPart.setHeader("Content-ID","<attach>");
imageBodyPart.setHeader("Content-Type", "image/png");
imageBodyPart.setDisposition(MimeBodyPart.INLINE);
imageBodyPart.setFileName("attach.png");
// add it
mp.addBodyPart(imageBodyPart);
// 向Multipart添加附件
Enumeration efile = file.elements();
while (efile.hasMoreElements()) {
MimeBodyPart mbpFile = new MimeBodyPart();
filename = efile.nextElement().toString();
FileDataSource fds = new FileDataSource(filename);
mbpFile.setDataHandler(new DataHandler(fds));
//<SPAN style="COLOR: #ff0000">//这个方法可以解决附件乱码问题。</SPAN>
String filename= new String(fds.getName().getBytes(),"ISO-8859-1");
mbpFile.setFileName(filename);
// 向MimeMessage添加(Multipart代表附件)
mp.addBodyPart(mbpFile);
}
file.removeAllElements();
// 向Multipart添加MimeMessage
msg.setContent(mp);
msg.setSentDate(new Date());
msg.saveChanges() ;
// 发送邮件
Transport transport = session.getTransport("smtp");
transport.connect(host, username, password);
transport.sendMessage(msg, msg.getAllRecipients());
transport.close();
} catch (Exception mex) {
mex.printStackTrace();
logger.info("---发邮件报错信息----"+mex.getMessage());
// Exception ex = null;
// if ((ex = mex.getNextException()) != null) {
// ex.printStackTrace();
// }
return false;
}
return true;
}
public static boolean Empty2String(String str){
return str == null || "".equals(str) || "null".equals(str) || "NULL".equals(str);
}
/**
* <br>
* 方法说明:主方法,用于测试 <br>
* 输入参数: <br>
* 返回类型:
*/
public static void main(String[] args) {
MailUtils sendmail = new MailUtils();
sendmail.setHost("smtp.cmge.com");
sendmail.setUserName("system.omss@cmge.com");
sendmail.setFrom("system.omss@cmge.com");
sendmail.setPassWord("XXXXX");
sendmail.setTo("lu.shiqin@cmge.com,system.omss@cmge.com");
//sendmail.setToCC("");
sendmail.setSubject("你好22,这是测ddddd试!");
sendmail.setContent("<h1>你好这是一个带多附件多人发送的的测试!~~~~~~~~~~~~~~~~~~~~~~~~~</h1>"+"<img src=\"cid:attach\">");
sendmail.setImagepath(picpath);
sendmail.sendPicMail()
//sendmail.attachfile("F:\\mac共享\\受害用户名单20150119.csv");
//sendmail.attachfile("F:\\mac共享\\接听转接验证号码20150119.csv");
// logger.info(sendmail.sendMail());
}
}
防止图裂:
要想正确显示邮件的图片内容,必须做到如下几点:
1. MimeMultipart的类型必须是“related”(new MimeMultipart(“related”));
2. 图片的显示方式必须为“INLINE”(Disposition=MimeBodyPart.INLINE);
3. 必须明确指定“Content-Type”头信息(Content-Type=image/png);
4. 图片名称与“Content-ID”绝不能为“image”(可能为关键字);