javaMail郵件傳送
阿新 • • 發佈：2018-12-25
MailAuthenticator.java
package com.sunrise.jop.common.mail; import javax.mail.Authenticator; import javax.mail.PasswordAuthentication; /** * 伺服器郵箱登入驗證 * */ public class MailAuthenticator extends Authenticator{ private String userName = null;//用於傳送郵件的郵箱 private String password = null;//郵箱密碼 public MailAuthenticator() { } public MailAuthenticator(String username, String password) { this.userName = username; this.password = password; } protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(userName, password); } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } }
MailSendeBean.java
MailSender.javapackage com.sunrise.jop.common.mail; import java.io.File; import java.util.List; import java.util.Properties; /** * 郵件資訊bean * */ public class MailSendeBean { // 郵箱地址 private String emailAddress; // 主題 private String subject; // 內容 private String content; // 附件 private List<File> attachFiles; public MailSendeBean() { } public MailSendeBean(String emailAddress, String subject, String content) { this.emailAddress = emailAddress; this.subject = subject; this.content = content; } /** * emailAddress 郵箱地址 * subject 主題 * content 內容 * attachFiles 附件 * */ public MailSendeBean(String emailAddress, String subject, String content, List<File> attachFiles) { this.emailAddress = emailAddress; this.subject = subject; this.content = content; this.attachFiles = attachFiles; } public String getEmailAddress() { return emailAddress; } public void setEmailAddress(String emailAddress) { this.emailAddress = emailAddress; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getContent() { return content; } public void setContent(String content) { this.content = content; } public List<File> getAttachFiles() { return attachFiles; } public void setAttachFiles(List<File> attachFiles) { this.attachFiles = attachFiles; } }
package com.sunrise.jop.common.mail; import java.io.File; import java.io.UnsupportedEncodingException; import java.util.Date; import java.util.List; import java.util.Properties; import javax.activation.DataHandler; import javax.activation.DataSource; import javax.activation.FileDataSource; import javax.mail.BodyPart; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMessage.RecipientType; import javax.mail.internet.MimeMultipart; import javax.mail.internet.MimeUtility; /** * 郵件傳送器 * */ public class MailSender { //傳送郵件的props檔案 private final transient Properties props = System.getProperties(); private transient MailAuthenticator authenticator;//郵件伺服器登入驗證 private transient Session session;//郵箱session private final int MAX_SEND_NUMBER = 100;//每次最大發送多少封郵件 private final long SLEEP_TIME = 1000 * 60 * 2; //休息時間 private final int REPEAT_TIME = 3 ;// 郵件重發次數 /** * 初始化郵件傳送器 * * @param smtpHostName * SMTP郵件伺服器地址 * @param username * 傳送郵件的使用者名稱(地址) * @param password * 傳送郵件的密碼 */ public MailSender(final String smtpHostName, final String username, final String password) { init(username, password, smtpHostName); } /** * 初始化郵件傳送器 * * @param username * 傳送郵件的使用者名稱(地址)，並以此解析SMTP伺服器地址 * @param password * 傳送郵件的密碼 */ public MailSender(final String username, final String password) { //通過郵箱地址解析出smtp伺服器，適合大多數郵箱 final String smtpHostName = "smtp." + username.split("@")[1]; init(username, password, smtpHostName); } /** * 初始化 * * @param username * 傳送郵件的使用者名稱(地址) * @param password * 密碼 * @param smtpHostName * SMTP主機地址 */ private void init(String username, String password, String smtpHostName) { // 初始化props props.put("mail.smtp.auth", "true"); props.put("mail.smtp.host", smtpHostName); // 驗證 authenticator = new MailAuthenticator(username, password); // 建立session session = Session.getInstance(props, authenticator); } /** * 群發郵件 * @throws Exception * */ public String sendToManyUser( List<MailSendeBean> mailBeanList ) throws Exception{ if(mailBeanList==null||mailBeanList.size()==0) { return "請設定郵件相關引數\n "; } StringBuffer stringBuffer = new StringBuffer(); int count = 0 ; for( int i = 0 ; i < mailBeanList.size() ; i++ ){ count ++; MailSendeBean mailBean = mailBeanList.get(i); stringBuffer.append(this.sendToOneUser(mailBean)); if(this.MAX_SEND_NUMBER==count){ count = 0 ; Thread.sleep(SLEEP_TIME ); } } return stringBuffer.toString(); } /** * 單個郵件傳送 * @throws Exception * */ public String sendToOneUser(MailSendeBean mailSendeBean) throws Exception{ if(mailSendeBean==null) return "請設定郵件相關引數\n "; //返回提示資訊 String result = "["+mailSendeBean.getEmailAddress() +"]傳送郵件成功\n " ; // 建立mime型別郵件 final MimeMessage message = new MimeMessage(session); // 設定發信人 message.setFrom(new InternetAddress(authenticator.getUserName())); // 設定收件人 message.setRecipient(RecipientType.TO, new InternetAddress(mailSendeBean.getEmailAddress())); // 設定主題 message.setSubject(mailSendeBean.getSubject()); // 設定傳送時間 message.setSentDate(new Date()); // 向multipart物件中新增郵件的各個部分內容，包括文字內容和附件 Multipart multipart = new MimeMultipart(); // 新增郵件正文 BodyPart contentPart = new MimeBodyPart(); contentPart.setContent(mailSendeBean.getContent().toString(), "text/html;charset=UTF-8"); multipart.addBodyPart(contentPart); List<File> attachFiles = mailSendeBean.getAttachFiles(); if(attachFiles!=null&&attachFiles.size() >0 ){ for( int i = 0 ; i < attachFiles.size() ; i++){ File attchFile = attachFiles.get(i); if(attchFile != null){ BodyPart attachmentBodyPart = new MimeBodyPart(); DataSource source = new FileDataSource(attchFile); attachmentBodyPart.setDataHandler(new DataHandler(source)); //MimeUtility.encodeWord可以避免檔名亂碼 attachmentBodyPart.setFileName(MimeUtility.encodeWord(attchFile.getName())); multipart.addBodyPart(attachmentBodyPart); } } } // 將multipart物件放到message中 message.setContent(multipart); try{ Transport.send(message); }catch(Exception e){ e.printStackTrace(); this.repeatSend(message); //重發 } return result; } /** * 郵件傳送失敗後,可以重發3次的處理 * */ private void repeatSend(MimeMessage message){ if(message!=null){ for( int i = 0 ; i < this.REPEAT_TIME ; i++){ try{ Transport.send(message); break; }catch(Exception e){ e.printStackTrace(); } } } } }
MailSenderDemo.java
package com.sunrise.jop.common.mail;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
/**
* 郵件傳送demo
* */
public class MailSenderDemo {
//建立郵件伺服器
private MailSender createMailSender(){
String smtpHostName = "imap.exmail.qq.com"; //郵件伺服器
String username = "[email protected]";
String password = "JiangPeng341341";
MailSender mailSender = new MailSender(smtpHostName,username,password);
return mailSender;
}
//多個使用者郵件傳送
private void sendToManyUser() throws Exception{
//初始化郵件伺服器
MailSender mailSender = this.createMailSender();
//第一個使用者
//建立郵件bean
String emailAddress1 = "[email protected]";
String subject1 = "郵件主題測試1";
String content1 = "郵件內容測試1";
//附件
File txtFile1 = new File("D:"+File.separator+ "emailTest" + File.separator + "testText.txt");
File docFile1 = new File("D:"+File.separator+ "emailTest" + File.separator + "testDoc.doc");
File excelFile1 = new File("D:"+File.separator+ "emailTest" + File.separator + "testExcel.xls");
File photoFile1 = new File("D:"+File.separator+ "emailTest" + File.separator + "testPhoto.jpg");
List<File> attchFiles1 = new ArrayList<File>();
attchFiles1.add(txtFile1); attchFiles1.add(docFile1);
attchFiles1.add(excelFile1); attchFiles1.add(photoFile1);
//封裝單個郵件bean
MailSendeBean mailSendeBean1 = new MailSendeBean( emailAddress1, subject1, content1,attchFiles1);
//第二個使用者
String emailAddress2 = "[email protected]";
String subject2 = "郵件主題測試2";
String content2 = "郵件內容測試2";
//附件
File txtFile2 = new File("D:"+File.separator+ "emailTest" + File.separator + "testText.txt");
File docFile2 = new File("D:"+File.separator+ "emailTest" + File.separator + "testDoc.doc");
List<File> attchFiles2 = new ArrayList<File>();
attchFiles2.add(txtFile2); attchFiles2.add(docFile2);
//封裝單個郵件bean
MailSendeBean mailSendeBean2 = new MailSendeBean( emailAddress2, subject2, content2,attchFiles2);
//封裝多個郵件bean
List<MailSendeBean> mailList = new ArrayList<MailSendeBean>();
mailList.add(mailSendeBean1); mailList.add(mailSendeBean2);
// 傳送郵件
String resultMessage = mailSender.sendToManyUser(mailList);
System.out.println("resultMessage = " + resultMessage);
}
//單個郵件傳送
private void sendToOneUser() throws Exception{
//初始化郵件伺服器
MailSender mailSender = this.createMailSender();
//建立郵件bean
String emailAddress = "[email protected]";
String subject = "郵件主題測試";
String content = "郵件內容測試";
//附件
File txtFile = new File("D:"+File.separator+ "emailTest" + File.separator + "testText.txt");
File docFile = new File("D:"+File.separator+ "emailTest" + File.separator + "testDoc.doc");
File excelFile = new File("D:"+File.separator+ "emailTest" + File.separator + "testExcel.xls");
File photoFile = new File("D:"+File.separator+ "emailTest" + File.separator + "testPhoto.jpg");
List<File> attchFiles = new ArrayList<File>();
attchFiles.add(txtFile); attchFiles.add(docFile);
attchFiles.add(excelFile); attchFiles.add(photoFile);
//封裝郵件bean
MailSendeBean mailSendeBean = new MailSendeBean( emailAddress, subject, content,attchFiles);
// 傳送郵件
String resultMessage = mailSender.sendToOneUser(mailSendeBean);
System.out.println("resultMessage = " + resultMessage);
}
public static void main(String args[]) throws Exception{
MailSenderDemo mailDemo = new MailSenderDemo();
mailDemo.sendToOneUser(); // 測試單個郵件傳送
// mailDemo.sendToManyUser(); // 測試多個郵件傳送
}
}