JavaMail 发送邮件类，javamail发送邮件类,很早以前的一个类，高手就

JavaMail 发送邮件类，javamail发送邮件类,很早以前的一个类，高手就

很早以前的一个类，高手就别看了。

/** * 邮件发送组件类 * 该类需要三个jar文件: mail.jar,activation.jar,htmlparser.jar * @author Winter Lau (winter.lau[at]163.com) * @version 1.0 */package lius.util.mail;import java.io.File;import java.io.UnsupportedEncodingException;import java.util.ArrayList;import java.util.Date;import java.util.Properties;import javax.activation.DataHandler;import javax.activation.DataSource;import javax.activation.FileDataSource;import javax.mail.Authenticator;import javax.mail.BodyPart;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Multipart;import javax.mail.PasswordAuthentication;import javax.mail.SendFailedException;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.htmlparser.Node;import org.htmlparser.Parser;import org.htmlparser.tags.ImageTag;import org.htmlparser.util.ParserException;/** * 邮件发送组件,具体的使用方法参照该类的main方法 * @author Winter Lau */public abstract class MailSender extends Authenticator{    private String username = null;     //邮件发送帐号用户名    private String userpasswd = null;   //邮件发送帐号用户口令    protected BodyPart messageBodyPart = null;    protected Multipart multipart = new MimeMultipart(\"related\");    protected MimeMessage mailMessage = null;    protected Session mailSession = null;    protected Properties mailProperties = System.getProperties();    protected InternetAddress mailFromAddress = null;    protected InternetAddress mailToAddress = null;    protected Authenticator authenticator = null;    protected String mailSubject = \"\";    protected Date mailSendDate = null;    /**     * 构造函数     * @param smtpHost     * @param username     * @param password     */    protected MailSender(String smtpHost, String username, String password) {        this.username = username;        this.userpasswd = password;        mailProperties.put(\"mail.smtp.host\", smtpHost);        mailProperties.put(\"mail.smtp.auth\", \"true\"); //设置smtp认证，很关键的一句        mailSession = Session.getDefaultInstance(mailProperties, this);        mailMessage = new MimeMessage(mailSession);        messageBodyPart = new MimeBodyPart();    }    /**     * 构造一个纯文本邮件发送实例     * @param smtpHost     * @param username     * @param password     * @return     */    public static MailSender getTextMailSender(String smtpHost, String username, String password) {                return new MailSender(smtpHost,username,password) {            public void setMailContent(String mailContent) throws MessagingException {                messageBodyPart.setText(mailContent);                multipart.addBodyPart(messageBodyPart);            }                    };            }    /**     * 构造一个超文本邮件发送实例     * @param smtpHost     * @param username     * @param password     * @return     */    public static MailSender getHtmlMailSender(String smtpHost, String username, String password) {        return new MailSender(smtpHost,username,password) {            private ArrayList arrayList1 = new ArrayList();            private ArrayList arrayList2 = new ArrayList();            public void setMailContent(String mailContent) throws MessagingException {                String htmlContent = getContent(\"<img src=\", mailContent);                messageBodyPart.setContent(htmlContent, \"text/html;charset=GB2312\");                multipart.addBodyPart(messageBodyPart);                //调用处理html文件中的图片方法                processHtmlImage(mailContent);            }            //处理html页面上的图片方法如下：            private void processHtmlImage(String mailContent) throws MessagingException {                for (int i = 0; i < arrayList1.size(); i++) {                    messageBodyPart = new MimeBodyPart();                    DataSource source = new FileDataSource((String) arrayList1.get(i));                    messageBodyPart.setDataHandler(new DataHandler(source));                    String contentId = \"<\" + (String) arrayList2.get(i) + \">\";                    messageBodyPart.setHeader(\"Content-ID\", contentId);                    messageBodyPart.setFileName((String) arrayList1.get(i));                    multipart.addBodyPart(messageBodyPart);                }            }            //处理要发送的html文件，主要是针对html文件中的图片            private String getContent(String searchString, String mailContent) {                try {                    Parser parser = Parser.createParser(new String(mailContent.getBytes(), ISO8859_1));                    Node[] images = parser.extractAllNodesThatAre(ImageTag.class);                    for(int i=0;i<images.length;i++) {                        ImageTag imgTag = (ImageTag) images[i];                        if(!imgTag.getImageURL().toLowerCase().startsWith(\"http://\"))                            arrayList1.add(imgTag.getImageURL());                    }                } catch (UnsupportedEncodingException e1) {                } catch (ParserException e) {}                String afterReplaceStr = mailContent;                //在html文件中用\"cid:\"+Content-ID来替换原来的图片链接                for (int m = 0; m < arrayList1.size(); m++) {                    arrayList2.add(createRandomStr());                    String addString = \"cid:\" + (String) arrayList2.get(m);                    afterReplaceStr = mailContent.replaceAll(                            (String) arrayList1.get(m), addString);                }                return afterReplaceStr;            }            //产生一个随机字符串，为了给图片设定Content-ID值            private String createRandomStr() {                char[] randomChar = new char[8];                for (int i = 0; i < 8; i++) {                    randomChar[i] = (char) (Math.random() * 26 + \'a\');                }                String replaceStr = new String(randomChar);                return replaceStr;            }            private final static String ISO8859_1 = \"8859_1\";          };    }    /**     * 用于实现邮件发送用户验证     * @see javax.mail.Authenticator#getPasswordAuthentication     */    protected PasswordAuthentication getPasswordAuthentication() {        return new PasswordAuthentication(username, userpasswd);    }    /**     * 设置邮件标题     * @param mailSubject     * @throws MessagingException     */    public void setSubject(String mailSubject) throws MessagingException {        this.mailSubject = mailSubject;        mailMessage.setSubject(mailSubject);    }    /**     * 所有子类都需要实现的抽象方法，为了支持不同的邮件类型     * @param mailContent     * @throws MessagingException     */    protected abstract void setMailContent(String mailContent) throws MessagingException;    /**     * 设置邮件//该片段来自于http://byrx.net