分享springboot整合的郵件傳送案例，需要的小夥伴可以直接複製下面的三個類到自己的專案中，直接執行案例即可。
1、建立郵件認證類package com.qingfeng.util.mail;/** * */import javax.mail.Authenticator;import javax.mail.PasswordAuthentication;public class MyAuthenticator extends Authenticator{ String userName=null; String password=null; public MyAuthenticator(){ } public MyAuthenticator(String username, String password) { this.userName = username; this.password = password; } protected PasswordAuthentication getPasswordAuthentication(){ return new PasswordAuthentication(userName, password); } } package com.qingfeng.util.mail;/** * *傳送郵件需要使用的基本資訊 * * */ import java.util.Properties;public class MailSenderInfo { // 傳送郵件的伺服器的IP和埠 private String mailServerHost; private String mailServerPort = "25"; // 郵件傳送者的地址 private String fromAddress; // 郵件接收者的地址 private String toAddress; // 登陸郵件傳送伺服器的使用者名稱和密碼 private String userName; private String password; // 是否需要身份驗證 private boolean validate = false; // 郵件主題 private String subject; // 郵件的文字內容 private String content; // 郵件附件的檔名 private String[] attachFileNames; /** * 獲得郵件會話屬性 */ public Properties getProperties(){ Properties p = new Properties(); p.put("mail.smtp.host", this.mailServerHost); p.put("mail.smtp.port", this.mailServerPort); p.put("mail.smtp.auth", validate ? "true" : "false"); return p; } public String getMailServerHost() { return mailServerHost; } public void setMailServerHost(String mailServerHost) { this.mailServerHost = mailServerHost; } public String getMailServerPort() { return mailServerPort; } public void setMailServerPort(String mailServerPort) { this.mailServerPort = mailServerPort; } public boolean isValidate() { return validate; } public void setValidate(boolean validate) { this.validate = validate; } public String[] getAttachFileNames() { return attachFileNames; } public void setAttachFileNames(String[] fileNames) { this.attachFileNames = fileNames; } public String getFromAddress() { return fromAddress; } public void setFromAddress(String fromAddress) { this.fromAddress = fromAddress; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public String getToAddress() { return toAddress; } public void setToAddress(String toAddress) { this.toAddress = toAddress; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getSubject() { return subject; } public void setSubject(String subject) { this.subject = subject; } public String getContent() { return content; } public void setContent(String textContent) { this.content = textContent; } } 3、傳送郵件實現類
package com.qingfeng.util.mail;/** * 簡單郵件（不帶附件的郵件）傳送器 */import javax.mail.*;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;import java.util.Date;import java.util.Properties;public class SimpleMailSender {/** * 以文字格式傳送郵件 * @param mailInfo 待發送的郵件的資訊 */ public boolean sendTextMail(MailSenderInfo mailInfo) { // 判斷是否需要身份認證 MyAuthenticator authenticator = null; Properties pro = mailInfo.getProperties(); if (mailInfo.isValidate()) { // 如果需要身份認證，則建立一個密碼驗證器 authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); } // 根據郵件會話屬性和密碼驗證器構造一個傳送郵件的session Session sendMailSession = Session.getDefaultInstance(pro,authenticator); try { // 根據session建立一個郵件訊息 Message mailMessage = new MimeMessage(sendMailSession); // 建立郵件傳送者地址 Address from = new InternetAddress(mailInfo.getFromAddress()); // 設定郵件訊息的傳送者 mailMessage.setFrom(from); // 建立郵件的接收者地址，並設定到郵件訊息中 Address to = new InternetAddress(mailInfo.getToAddress()); mailMessage.setRecipient(Message.RecipientType.TO,to); // 設定郵件訊息的主題 mailMessage.setSubject(mailInfo.getSubject()); // 設定郵件訊息傳送的時間 mailMessage.setSentDate(new Date()); // 設定郵件訊息的主要內容 String mailContent = mailInfo.getContent(); mailMessage.setText(mailContent); // 傳送郵件 Transport.send(mailMessage); return true; } catch (MessagingException ex) { ex.printStackTrace(); } return false; } /** * 以HTML格式傳送郵件 * @param mailInfo 待發送的郵件資訊 */ public static boolean sendHtmlMail(MailSenderInfo mailInfo){ // 判斷是否需要身份認證 MyAuthenticator authenticator = null; Properties pro = mailInfo.getProperties(); //如果需要身份認證，則建立一個密碼驗證器 if (mailInfo.isValidate()) { authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword()); } // 根據郵件會話屬性和密碼驗證器構造一個傳送郵件的session Session sendMailSession = Session.getDefaultInstance(pro,authenticator); try { // 根據session建立一個郵件訊息 Message mailMessage = new MimeMessage(sendMailSession); // 建立郵件傳送者地址 Address from = new InternetAddress(mailInfo.getFromAddress()); // 設定郵件訊息的傳送者 mailMessage.setFrom(from); // 建立郵件的接收者地址，並設定到郵件訊息中 Address to = new InternetAddress(mailInfo.getToAddress()); // Message.RecipientType.TO屬性表示接收者的型別為TO mailMessage.setRecipient(Message.RecipientType.TO,to); // 設定郵件訊息的主題 mailMessage.setSubject(mailInfo.getSubject()); // 設定郵件訊息傳送的時間 mailMessage.setSentDate(new Date()); // MiniMultipart類是一個容器類，包含MimeBodyPart型別的物件 Multipart mainPart = new MimeMultipart(); // 建立一個包含HTML內容的MimeBodyPart BodyPart html = new MimeBodyPart(); // 設定HTML內容 html.setContent(mailInfo.getContent(), "text/html; charset=utf-8"); mainPart.addBodyPart(html); // 將MiniMultipart物件設定為郵件內容 mailMessage.setContent(mainPart); // 傳送郵件 Transport.send(mailMessage); return true; } catch (MessagingException ex) { ex.printStackTrace(); } return false; } /* public static void main(String[] args){ //這個類主要是設定郵件 MailSenderInfo mailInfo = new MailSenderInfo(); mailInfo.setMailServerHost("smtp.qiye.163.com"); mailInfo.setMailServerPort("25"); mailInfo.setValidate(true); mailInfo.setUserName("[email protected]"); mailInfo.setPassword("ac19aznt");//您的郵箱密碼 mailInfo.setFromAddress("[email protected]"); mailInfo.setToAddress("[email protected]"); mailInfo.setSubject("設定郵箱標題"); mailInfo.setContent("設定郵箱內容"); //這個類主要來發送郵件 SimpleMailSender sms = new SimpleMailSender(); sms.sendTextMail(mailInfo);//傳送文體格式 // sms.sendHtmlMail(mailInfo);//傳送html格式 } */}
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