Java發送郵件javax.mail的實現方法

直接上源碼：
1. 郵件的基本信息(方便就直接設置為靜態了)
下面最好是做為一個javabean

 package com.lgf.Email; import java.util.Date; public class EmailMessage { /** * 郵件的信息,可以自己進行設置。 * 為了方便直接全部設置為靜態*/ // 收件人郵箱public static String TO = "[email protected]"; // 發件人郵箱public static String FROM = "[email protected]"; public static String FROM_NAME = "xxx"; // 抄送人public static String CC="[email protected]"; // 暗送人public static String BCC="[email protected]"; // 郵件的類型public static String Email_Content = "text/plain"; // 郵件標題public static String Email_Subject = "Test Email With JavaMail"; // 郵件頭public static String Email_Header = "This Is Email Header"; // 內容public static String Email_Body = "<a href=/"http://www.baidu.com/">This Is Email Body</a>"; // 服務器比如QQ的可以設置為smtp.qq.com public static String Email_Host = "smtp.xxx.com"; // 發送時間public static Date sendDate = new Date(); // 是否需要驗證用戶名和密碼public static boolean validate = true; }

2. 服務器驗證(就是一般登入時候的用戶名和密碼)

 package com.lgf.Email; import javax.mail.Authenticator; import javax.mail.PasswordAuthentication; /** * 用戶名和密碼的驗證* @author lgf * */ public class MailAuthenticator extends Authenticator{ private String username="xxxxx"; private String password="xxxxx"; public MailAuthenticator() { super(); } /** * 設置驗證的用戶名和密碼*/ public MailAuthenticator(String userName , String password) { super(); this.username = userName; this.password = password; } protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(this.username,this.password); } }

3. 發送郵件前設置信息和步驟

package com.lgf.Email; import java.util.Properties; import javax.activation.DataHandler; import javax.activation.DataSource; import javax.activation.FileDataSource; import javax.mail.Address; import javax.mail.Authenticator; 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; import com.lgf.SendEmail.MailAuthenticator; public class SendEmail { /** * 發送普通郵件* @throws Exception */ public void doSendNormalMail() { // 獲取系統環境Properties prop = new Properties(); Authenticator auth = null; // 判斷發送郵件是否需要驗證if (EmailMessage.validate) { // 郵件服務器認證用戶名和密碼auth = new MailAuthenticator(); } // 添加必要的信息prop.put("mail.smtp.host", EmailMessage.Email_Host); prop.put("mail.smtp.auth", "true"); // 設置對話和郵件服務器進行通訊Session session = Session.getDefaultInstance(prop, auth); // 在控制台顯示Debug信息session.setDebug(true); // 設置郵件對象Message message = new MimeMessage(session); try { // 設置郵件主題message.setSubject(EmailMessage.Email_Subject); // 設置郵件標題message.setHeader("Header", EmailMessage.Email_Header); // 設置發送時間message.setSentDate(EmailMessage.sendDate); // 設置發信人地址和名字Address address = new InternetAddress(EmailMessage.FROM, EmailMessage.FROM_NAME); // 把發件人信息添加到信息中message.setFrom(address); // 設置發件人地址Address toAddress = new InternetAddress(EmailMessage.TO); // 設置接收人地址message.setRecipient(Message.RecipientType.TO, toAddress); // 設置多個收件人地址// message.addRecipient(Message.RecipientType.TO,new InternetAddress("[email protected]")); // 設置郵件格式message.setContent("Content", EmailMessage.Email_Content); // 設置郵件內容必須在設置文件格式後面message.setText(EmailMessage.Email_Body); // 保存上面添加的信息message.saveChanges(); // 發送郵件System.out.println("sendNormalEmail() 開始發送郵件……"); Transport.send(message); System.out.println("發送成功！"); } catch (Exception e) { System.out.println("出錯"); e.printStackTrace(); } } /** * 發送HTML格式的郵件*/ public void doSendHtmlMail() { // 獲取系統環境Properties prop = new Properties(); Authenticator auth = null; if (EmailMessage.validate) { // 郵件服務器認證用戶名和密碼auth = new MailAuthenticator(); } // 添加必要的信息prop.put("mail.smtp.host", EmailMessage.Email_Host); prop.put("mail.smtp.auth", "true"); // 設置對話和郵件服務器進行通訊Session session = Session.getDefaultInstance(prop, auth); // 設置郵件對象Message message = new MimeMessage(session); try { // 設置郵件主題message.setSubject(EmailMessage.Email_Subject); // 設置郵件標題message.setHeader("Header", EmailMessage.Email_Header); // 設置發送時間message.setSentDate(EmailMessage.sendDate); // 設置發信人地址和名字Address address = new InternetAddress(EmailMessage.FROM, EmailMessage.FROM_NAME); // 把發件人信息添加到信息中message.setFrom(address); // 設置發件人地址Address toAddress = new InternetAddress(EmailMessage.TO); // 設置接收人地址message.setRecipient(Message.RecipientType.TO, toAddress); // 設置多個收件人地址// message.addRecipient(Message.RecipientType.TO,new InternetAddress("[email protected]")); // 設置發送信息的內容下面為發送hmml // 設置郵件格式EmailMessage.Email_Content = "text/html; charset=utf-8"; message.setContent(EmailMessage.Email_Body, EmailMessage.Email_Content); // 保存上面添加的信息message.saveChanges(); // 發送郵件System.out.println("doSendHtmlMail() 開始發送郵件……"); Transport.send(message); System.out.println("發送成功！"); } catch (Exception e) { System.out.println("出錯"); e.printStackTrace(); } } /** * 發送帶有附件格式的郵件*/ public void doSendAttachmentMail() { // 獲取系統環境Properties prop = new Properties(); Authenticator auth = null; if (EmailMessage.validate) { // 郵件服務器認證用戶名和密碼auth = new MailAuthenticator(); } // 添加必要的信息prop.put("mail.smtp.host", EmailMessage.Email_Host); prop.put("mail.smtp.auth", "true"); // 設置對話和郵件服務器進行通訊Session session = Session.getDefaultInstance(prop, auth); // 設置郵件對象Message message = new MimeMessage(session); try { // 設置郵件主題message.setSubject(EmailMessage.Email_Subject); // 設置郵件標題message.setHeader("Header", EmailMessage.Email_Header); // 設置發送時間message.setSentDate(EmailMessage.sendDate); // 設置發信人地址和名字Address address = new InternetAddress(EmailMessage.FROM, EmailMessage.FROM_NAME); // 把發件人信息添加到信息中message.setFrom(address); // 設置發件人地址Address toAddress = new InternetAddress(EmailMessage.TO); // 設置接收人地址message.setRecipient(Message.RecipientType.TO, toAddress); // 設置多個收件人地址// message.addRecipient(Message.RecipientType.TO,new InternetAddress("[email protected]")); // 設置發送信息的內容下面為發送附件message.setContent(EmailMessage.Email_Body, EmailMessage.Email_Content); BodyPart messageBodyPart = new MimeBodyPart(); messageBodyPart.setText("bodypart"); Multipart multipart = new MimeMultipart(); multipart.addBodyPart(messageBodyPart); messageBodyPart = new MimeBodyPart(); // 設置上傳的資源DataSource source = new FileDataSource("E://3.doc"); // 添加到messageBodyPart.setDataHandler(new DataHandler(source)); // 設置文件名稱,記得後綴名messageBodyPart.setFileName("test.doc"); multipart.addBodyPart(messageBodyPart); message.setContent(multipart); // 保存上面添加的信息message.saveChanges(); // 發送郵件System.out.println("doSendAttachmentMail() 開始發送郵件……"); Transport.send(message); System.out.println("發送成功！"); } catch (Exception e) { System.out.println("出錯"); e.printStackTrace(); } } /** * @param args */ public static void main(String[] args) { // new SendEmail().doSendNormalMail(); // new SendEmail().doSendHtmlMail(); new SendEmail().doSendAttachmentMail(); } }

以上就是Java發送郵件javax.mail的詳細代碼，希望對大家實現java郵件發送有所幫助。