爪哇国新游记之三十二----邮件发送
由三个类完成任务，第一个为主，main中是用法示例。
纯邮件发送和带附件发送邮件皆可，大家请参照main函数中用法。
package com.ufo.util.mail; import java.util.Date; import java.util.Properties; import javax.activation.DataHandler; import javax.activation.DataSource; import javax.activation.FileDataSource; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.Multipart; 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; /** * 邮件发送基类 */ public class BaseMailService{ protected String smtpServer; protected String smtpUsername; protected String smtpPassword; protected String from; protected String to; protected String cc; protected String bcc; /** * 无参构造函数 */ public BaseMailService(){ } /** * 发送邮件,无附件 * * @param title * @param content * @return * @throws Exception */ public boolean sendMail(String title,String content) throws Exception{ Properties props = new Properties(); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.host", smtpServer); // 获得邮件会话对象 Session session = Session.getDefaultInstance(props,new SmtpAuthenticator(smtpUsername, smtpPassword)); /** *************************************************** */ // 创建MIME邮件对象 MimeMessage mimeMessage = new MimeMessage(session); mimeMessage.setFrom(new InternetAddress(from));// 发件人 // To收件人 mimeMessage.setRecipients(Message.RecipientType.TO, getInternetAddressArr(to)); // Cc收件人 InternetAddress[] arr=getInternetAddressArr(cc); if(arr!=null && arr.length>0 ){ mimeMessage.setRecipients(Message.RecipientType.CC, getInternetAddressArr(cc)); } // Bcc收件人 arr=getInternetAddressArr(bcc); if(arr!=null && arr.length>0){ mimeMessage.setRecipients(Message.RecipientType.BCC, getInternetAddressArr(bcc)); } mimeMessage.setSubject(title); mimeMessage.setSentDate(new Date());// 发送日期 Multipart mp = new MimeMultipart("related");// related意味着可以发送html格式的邮件 /** *************************************************** */ BodyPart bodyPart = new MimeBodyPart();// 正文 bodyPart.setDataHandler(new DataHandler(content,"text/html;charset=utf8"));// 网页格式 mp.addBodyPart(bodyPart); mimeMessage.setContent(mp);// 设置邮件内容对象 Transport.send(mimeMessage);// 发送邮件 return true; } /** * 发带附件的邮件 * @param title * @param content * @param files * @return * @throws Exception */ public boolean sendMail(String title,String content,String[] files) throws Exception{ Properties props = new Properties(); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.host", smtpServer); // 获得邮件会话对象 Session session = Session.getDefaultInstance(props,new SmtpAuthenticator(smtpUsername, smtpPassword)); /** *************************************************** */ // 创建MIME邮件对象 MimeMessage mimeMessage = new MimeMessage(session); mimeMessage.setFrom(new InternetAddress(from));// 发件人 // To收件人 mimeMessage.setRecipients(Message.RecipientType.TO, getInternetAddressArr(to)); // Cc收件人 InternetAddress[] arr=getInternetAddressArr(cc); if(arr!=null && arr.length>0 ){ mimeMessage.setRecipients(Message.RecipientType.CC, getInternetAddressArr(cc)); } // Bcc收件人 arr=getInternetAddressArr(bcc); if(arr!=null && arr.length>0){ mimeMessage.setRecipients(Message.RecipientType.BCC, getInternetAddressArr(bcc)); } mimeMessage.setSubject(title); mimeMessage.setSentDate(new Date());// 发送日期 Multipart mp = new MimeMultipart("related");// related意味着可以发送html格式的邮件 /** *************************************************** */ BodyPart bodyPart = new MimeBodyPart();// 正文 bodyPart.setDataHandler(new DataHandler(content,"text/html;charset=utf8"));// 网页格式 mp.addBodyPart(bodyPart); mimeMessage.setContent(mp);// 设置邮件内容对象 // 附件部分 if(files!=null && files.length>0){ for(String affix:files){ //添加附件 BodyPart messageBodyPart= new MimeBodyPart(); DataSource source = new FileDataSource(affix); //添加附件的内容 messageBodyPart.setDataHandler(new DataHandler(source)); //添加附件的标题 messageBodyPart.setFileName(affix); mp.addBodyPart(messageBodyPart); } } Transport.send(mimeMessage);// 发送邮件 return true; } /** * Mail地址转化 * @param mialAddr * @return * @throws Exception */ protected InternetAddress[] getInternetAddressArr(String mialAddr) throws Exception{ if(mialAddr==null){ return null; } String[] arr=mialAddr.split(","); InternetAddress[] retval=new InternetAddress[arr.length]; for(int i=0;i<arr.length;i++){ retval[i]=new InternetAddress(arr[i]); } return retval; } public String getSmtpServer() { return smtpServer; } public void setSmtpServer(String smtpServer) { this.smtpServer = smtpServer; } public String getSmtpUsername() { return smtpUsername; } public void setSmtpUsername(String smtpUsername) { this.smtpUsername = smtpUsername; } public String getSmtpPassword() { return smtpPassword; } public void setSmtpPassword(String smtpPassword) { this.smtpPassword = smtpPassword; } public String getFrom() { return from; } public void setFrom(String from) { this.from = from; } public String getTo() { return to; } public void setTo(String to) { this.to = to; } public String getCc() { return cc; } public void setCc(String cc) { this.cc = cc; } public String getBcc() { return bcc; } public void setBcc(String bcc) { this.bcc = bcc; } public static void main(String[] args) throws Exception{ BaseMailService bms=new BaseMailService(); // 邮件服务器，用户,收发人设置 bms.setSmtpServer("Ds23M0ds016.cn.ufo.com"); bms.setSmtpUsername("user"); bms.setSmtpPassword("password"); bms.setFrom("adm@us.ufo.com"); bms.setTo("receiver@cn.ufo.com"); // 邮件标题 String title ="Hello"; // 邮件正文 StringBuilder sb = new StringBuilder(); sb.append("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">"); sb.append("<html>"); sb.append(" <head>"); sb.append(" <title> " + title + " </title>"); sb.append(" </head>"); sb.append(""); sb.append(" <body>"); sb.append(" <h4>Hi:</h4>"); sb.append(" <p>How are you!. </p>"); sb.append(" <p>你好</p>"); sb.append(" </body>"); sb.append("</html>"); String content = sb.toString(); String[] files={"c:\\1.xml","c:\\2.xml"}; bms.sendMail(title, content, files); } } // 辅助类ByteArrayDataSource import java.io.ByteArrayInputStream; import java.io.InputStream; import java.io.OutputStream; import javax.activation.DataSource; public class ByteArrayDataSource implements DataSource { private final String contentType; private final byte[] buf; private final int len; public ByteArrayDataSource(byte[] buf, String contentType) { this(buf, buf.length, contentType); } public ByteArrayDataSource(byte[] buf, int length, String contentType) { this.buf = buf; this.len = length; this.contentType = contentType; } public String getContentType() { if (contentType == null) return "application/octet-stream"; return contentType; } public InputStream getInputStream() { return new ByteArrayInputStream(buf, 0, len); } public String getName() { return null; } public OutputStream getOutputStream() { throw new UnsupportedOperationException(); } } // 辅助类SmtpAuthenticator import javax.mail.Authenticator; import javax.mail.PasswordAuthentication; /** * Smtp认证 */ public class SmtpAuthenticator extends Authenticator { String username = null; String password = null; // SMTP身份验证 public SmtpAuthenticator(String username, String password) { this.username = username; this.password = password; } public PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(this.username, this.password); } }
