邮件增加抄送、密送

src/main/java/com/echepei/dto/mail/MailDto.java

@@ -33,10 +33,24 @@ public class MailDto {
 
     /**
      * 邮件接收人
+     * 多人以 ; 分号间隔
      */
     private String mailTo;
 
     /**
+     * 邮件抄送人
+     * 多人以 ; 分号间隔
+     */
+    private String mailCc;
+
+
+    /**
+     * 邮件密送人
+     * 多人以 ; 分号间隔
+     */
+    private String mailBcc;
+
+    /**
      * 邮件标题
      */
     private String mailTitle;

src/main/java/com/echepei/utils/mail/SendMailUtil.java

@@ -43,7 +43,13 @@ public class SendMailUtil {
         MimeMessage message = new MimeMessage(session);
         message.setSubject(mailDto.getMailTitle());
         message.setFrom(new InternetAddress(mailDto.getMailFrom()));
-        message.setRecipient(MimeMessage.RecipientType.TO, new InternetAddress(mailDto.getMailTo().trim()));
+        insertRecipient(message, MimeMessage.RecipientType.TO, mailDto.getMailFrom());
+        if (StringUtils.hasText(mailDto.getMailCc())) {
+            insertRecipient(message, MimeMessage.RecipientType.CC, mailDto.getMailCc());
+        }
+        if (StringUtils.hasText(mailDto.getMailBcc())) {
+            insertRecipient(message, MimeMessage.RecipientType.BCC, mailDto.getMailBcc());
+        }
         Multipart multipart = new MimeMultipart();
         // 添加邮件正文
         MimeBodyPart textPart = new MimeBodyPart();
@@ -59,6 +65,13 @@ public class SendMailUtil {
         return message;
     }
 
+    private static void insertRecipient(MimeMessage message, Message.RecipientType recipientType, String mailPath) throws MessagingException{
+        String[] email = mailPath.split(";");
+        for (String mail : email) {
+            message.setRecipient(recipientType, new InternetAddress(mail.trim()));
+        }
+    }
+
     /**
      * 创建附件 BodyPart
      */
@@ -115,6 +128,9 @@ public class SendMailUtil {
      * 发送带附件的 HTML 邮件
      */
     public static void sendHtmlFileMail(MailDto mailDto) {
+        if (!StringUtils.hasText(mailDto.getMailTo())) {
+            throw new RuntimeException("收件人不能为空");
+        }
         if (CollectionUtils.isEmpty(mailDto.getMailFilePath())) {
             throw new RuntimeException("邮件附件为空");
         }