//文件Mail.java 該文件內(nèi)容部分綜合網(wǎng)上的資源，自己進行了改進，轉載請注明 汪建偉。

package sendmail;

import java.io.UnsupportedEncodingException;
import java.util.Properties;
import java.util.Date;
import java.util.ArrayList;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import java.net.MalformedURLException;
import java.net.URL;
/**
?* <p>Title: </p>
?* <p>Description: </p>
?* <p>Copyright: Copyright (c) 2005</p>
?* <p>Company: Peking University </p>
?* @author 汪建偉
?* @version 1.0
?*/

public? class Mail{
???
??? protected ArrayList bodypartArrayList=null;
??? protected Multipart multipart = null;
??? protected MimeMessage mailMessage = null;
??? protected Session mailSession = null;
??? protected Properties mailProperties = System.getProperties();
??? protected InternetAddress mailFromAddress = null;
??? protected InternetAddress mailToAddress = null;
??? protected String mailSubject ="";
??? protected Date mailSendDate = null;
??? private String smtpserver="";
??? private String name="";
??? private String password="";
???
??? public Mail(String smtpHost,String username,String password){
??? ?smtpserver=smtpHost;
??? ?name=username;
??? ?this.password=password;
??????? mailProperties.put("mail.smtp.host",smtpHost);
??????? mailProperties.put("mail.smtp.auth","true"); //設置smtp認證，很關鍵的一句
??????? mailSession = Session.getDefaultInstance(mailProperties);
??????? //mailSession.setDebug(true);
???????
??????? mailMessage = new MimeMessage(mailSession);
??????? multipart = new MimeMultipart();
??????? bodypartArrayList=new ArrayList();//用來存放BodyPart，可以有多個BodyPart！
??? }
??? //設置郵件主題
??? public void setSubject(String mailSubject)throws MessagingException{
??????? this.mailSubject = mailSubject;
??????? mailMessage.setSubject(mailSubject);
??? }
??? //設置郵件發(fā)送日期
??? public void setSendDate(Date sendDate)throws MessagingException{
??????? this.mailSendDate = sendDate;
??????? mailMessage.setSentDate(sendDate);
??? }
??? //發(fā)送純文本
??? public void addTextContext(String textcontent)throws MessagingException{
??? ?BodyPart bodypart=new MimeBodyPart();
??? ?bodypart.setContent(textcontent,"text/plain;charset=GB2312");
??? ?bodypartArrayList.add(bodypart);
??? }
??? //發(fā)送Html郵件
??? public void addHtmlContext(String htmlcontent)throws MessagingException{
??? ?BodyPart bodypart=new MimeBodyPart();
??? ?bodypart.setContent(htmlcontent,"text/html;charset=GB2312");
??? ?bodypartArrayList.add(bodypart);
??? }
??? //將文件添加為附件
??? public void addAttachment(String FileName/*附件文件名*/,String DisplayFileName/*在郵件中想要顯示的文件名*/)
??????? throws MessagingException,UnsupportedEncodingException{
??? ?BodyPart bodypart=new MimeBodyPart();
??????? FileDataSource fds=new FileDataSource(FileName);
???????
??????? DataHandler dh=new DataHandler(fds);
??????? String displayfilename="";
??displayfilename = MimeUtility.encodeWord(DisplayFileName,"gb2312", null);//對顯示名稱進行編碼，否則會出現(xiàn)亂碼！
??
??bodypart.setFileName(displayfilename);//可以和原文件名不一致
??????? bodypart.setDataHandler(dh);
??? ?bodypartArrayList.add(bodypart);
??? }
??? //將byte[]作為文件添加為附件
??? public void addAttachmentFrombyte(byte[] filebyte/*附件文件的字節(jié)數(shù)組*/,String DisplayFileName/*在郵件中想要顯示的文件名*/)
??????? throws MessagingException,UnsupportedEncodingException{
??? ?BodyPart bodypart=new MimeBodyPart();
??? ?ByteDataSource fds=new ByteDataSource(filebyte,DisplayFileName);
??????
??????? DataHandler dh=new DataHandler(fds);
??????? String displayfilename="";
??displayfilename = MimeUtility.encodeWord(DisplayFileName,"gb2312", null);//對顯示名稱進行編碼，否則會出現(xiàn)亂碼！
??
??bodypart.setFileName(displayfilename);//可以和原文件名不一致
??????? bodypart.setDataHandler(dh);
??? ?bodypartArrayList.add(bodypart);
??? }

???
??? //使用遠程文件（使用URL）作為信件的附件
??? public void addAttachmentFromUrl(String url/*附件URL地址*/,String DisplayFileName/*在郵件中想要顯示的文件名*/)
??????? throws MessagingException,MalformedURLException,UnsupportedEncodingException{
??? ?BodyPart bodypart=new MimeBodyPart();
??????? //用遠程文件作為信件的附件
??????? URLDataSource ur= new URLDataSource(new URL(url));
??????? //注:這里用的參數(shù)只能為URL對象,不能為URL字串
??DataHandler dh=new DataHandler(ur);
??String displayfilename="";
??????? displayfilename=MimeUtility.encodeWord(DisplayFileName,"gb2312", null);
??bodypart.setFileName(displayfilename);//可以和原文件名不一致
??bodypart.setDataHandler(dh);
??bodypartArrayList.add(bodypart);
??? }

???
??? //設置發(fā)件人地址
??? public void setMailFrom(String mailFrom)throws MessagingException{
??????? mailFromAddress = new InternetAddress(mailFrom);
??????? mailMessage.setFrom(mailFromAddress);
??? }
??? //設置收件人地址，收件人類型為to,cc,bcc(大小寫不限)
??? public void setMailTo(String[] mailTo,String mailType)throws Exception{
??????? for(int i=0;i<mailTo.length;i++){
??????????? mailToAddress = new InternetAddress(mailTo[i]);
??????????? if(mailType.equalsIgnoreCase("to")){
??????????????? mailMessage.addRecipient(Message.RecipientType.TO,mailToAddress);
??????????? }
??????????? else if(mailType.equalsIgnoreCase("cc")){
??????????????? mailMessage.addRecipient(Message.RecipientType.CC,mailToAddress);
??????????? }
??????????? else if(mailType.equalsIgnoreCase("bcc")){
??????????????? mailMessage.addRecipient(Message.RecipientType.BCC,mailToAddress);
??????????? }
??????????? else{
??????????????? throw new Exception("Unknown mailType: "+mailType+"!");
??????????? }
??????? }
??? }
??? //開始投遞郵件
??? public void sendMail()throws MessagingException,SendFailedException{
??? ?for (int i=0;i<bodypartArrayList.size();i++) {
??? ??multipart.addBodyPart((BodyPart)bodypartArrayList.get(i));?
??? ?}
??? ?mailMessage.setContent(multipart);
??????? mailMessage.saveChanges();
??????? Transport transport=mailSession.getTransport("smtp");
??????? transport.connect(smtpserver,name,password);//以smtp方式登錄郵箱
??????? transport.sendMessage(mailMessage,mailMessage.getAllRecipients());
??????? //發(fā)送郵件,其中第二個參數(shù)是所有已設好的收件人地址
??????? transport.close();
??? }

}

//文件 ByteDataSource.java 該文件內(nèi)容由汪建偉原創(chuàng)。轉載請注明！

package sendmail;

/**
?* <p>Title: </p>
?* <p>Description: 發(fā)郵件</p>
?* <p>Copyright: Copyright (c) 2005</p>
?* <p>Company: Peking University </p>
?* @author?汪建偉
?* @version 1.0
?*/
import javax.activation.DataSource;
import java.io.*;
public class ByteDataSource implements DataSource{
?private byte[] filebyte=null;
??? private String filetype="application/octet-stream";
??? private String filename="";
??? private OutputStream outputstream=null;
??? private InputStream? inputstream=null;
??? public ByteDataSource() {
??? }
??? public ByteDataSource(String FileName) {
??? ?File f=new File(FileName);
???? ?filename=f.getName();
??? ?try {
???inputstream = new FileInputStream(f);
???inputstream.read(filebyte);
???
??} catch (Exception e) {
??}
??
??? }

??? public ByteDataSource(byte[] filebyte,String displayfilename) {
??????? this.filebyte=filebyte;
??????? this.filename=displayfilename;
??? }
??? public String getContentType() {
??????? return filetype;
??? }

??? publicInputStreamgetInputStream() throws IOException {
??? ?InputStream input=new ByteArrayInputStream(filebyte);
??????? return input;
??? }

??? public String getName() {
??????? return filename;
??? }

??? public OutputStream getOutputStream() throws IOException {
??? ?
??? ?outputstream.write(filebyte);
??????? return outputstream;
??? }
}
//newSendMail.java 發(fā)郵件示例

??package sendmail;

/**
?* <p>Title: </p>
?* <p>Description: 發(fā)郵件示例</p>
?* <p>Copyright: Copyright (c) 2005</p>
?* <p>Company: Peking University </p>
?* @author?汪建偉
?* @version 1.0
?*/

import java.io.FileWriter;
import java.io.IOException;
import java.util.Date;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.io.PrintWriter;
import java.io.BufferedWriter;
import java.io.*;
public class newSendMail {
? public static void main(String[] args) {
???? Mainprogram1 w1= new Mainprogram1();
?
???? w1.sendmail() ;
?
??
? }
}

class Mainprogram1{
?
? private? java.util.Date sysdate;
? Mainprogram1(){
????? //獲取要查詢的起止時間
????? sysdate = new java.util.Date();
???? }

? public void sendmail(){ //創(chuàng)建郵件發(fā)送實例，發(fā)送郵件
??? String smtp = "smtp.163.com";//郵件服務器地址
??? String mailname = "";//連接郵件服務器的用戶名
??? String mailpsw = "";//連連接郵件服務器的用戶密碼
??? String mailto = "";// 接收郵件的地址
??? String copyto = "";// 抄送郵件的地址
??? String mailfrom = "";// 發(fā)送郵件的地址
??? String mailtitle = "測試郵件標題";// 郵件的標題
???? //請根據(jù)實際情況賦值
??? Mail mymail= new Mail(smtp,mailname, mailpsw);
??? String mto[]={mailto};
??? String mcc[]={copyto};
??? try{
?????? mymail.setMailFrom(mailfrom);
?????? mymail.setSendDate(new Date());
?????? mymail.setMailTo(mto,"to");
?????? if (!copyto.matches("")){ //如果抄送不為空，則將信件抄送給copyto
?????????? mymail.setMailTo(mcc,"cc");
?????? }
?????? mymail.setSubject(mailtitle);
?????? mymail.addTextContext("郵件內(nèi)容");
?????? mymail.addHtmlContext("html內(nèi)容");
?????? mymail.addAttachment("c:\\測試附件.doc","測試附件.doc");
?????? mymail.addAttachmentFromUrl("?????? mymail.addAttachmentFromUrl("??????
?????? //下面的附件內(nèi)容來自一個byte[]類型，增加這個方法的意圖在于如果在web模式下發(fā)郵件，就不用生成臨時文件
?????? //直接將上載的文件保存成byte[]格式，然后使用該方法添加到郵件的附件中，進行發(fā)送
?????? InputStreaminputStream=null;
???? try {
???? File imageFile = new File("c:\\1.jpg");
????? ?? inputStream = new FileInputStream(imageFile);
????? } catch(IOException ei){}
??
??? try {
???? byte[] b=new byte[inputStream.available()];
???
???? inputStream.read(b);
???? mymail.addAttachmentFrombyte(b,"來自byte的附件.jpg");
????
??
??} catch (IOException e) {
???// TODO Auto-generated catch block
???e.printStackTrace();
??}
??????
??????
??????
?????? mymail.sendMail() ;
?????? WriteinfoToFile("郵件發(fā)出！");
??? }
??? catch (Exception ex){ WriteinfoToFile("郵件發(fā)送失?。?+ex.toString());}
? }