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master/src/main/java/com/ruoyi/common/sendEmail/IMailServiceImpl.java

@@ -16,6 +16,8 @@ import javax.annotation.Resource;
 import javax.mail.MessagingException;
 import javax.mail.internet.MimeMessage;
 import java.io.File;
+import java.io.UnsupportedEncodingException;
+import java.util.Base64;
 
 /**
  * @Description:
@@ -208,11 +210,23 @@ public class IMailServiceImpl implements IMailService {
             logger.info("filePath::::::::::" + filePath);
             String fileName = filePath.substring(filePath.lastIndexOf("/") + 1);
             logger.info("fileName::::::::::" + fileName);
-            helper.addAttachment(fileName, file);
+            // 使用UTF-8编码将文件名转换为字节数组
+            byte[] fileNameBytes = fileName.getBytes("UTF-8");
+
+            // 对字节数组进行Base64编码
+            String base64FileName = Base64.getEncoder().encodeToString(fileNameBytes);
+
+            // 构造Base64编码后的附件名
+            String encodedAttachmentName = "=?UTF-8?B?" + base64FileName + "?=";
+
+            System.out.println("原始附件名: " + fileName);
+            System.out.println("Base64编码后的附件名: " + encodedAttachmentName);
+
+            helper.addAttachment(encodedAttachmentName, file);
             mailSender.send(message);
             //日志信息
             logger.info("邮件已经发送。");
-        } catch (MessagingException e) {
+        } catch (MessagingException | UnsupportedEncodingException e) {
             logger.error("发送邮件时发生异常！", e);
         }
     }