增加文件编码

common/src/main/java/com/koobietech/eas/common/utils/StudentArchiveGenerator.java

@@ -13,10 +13,10 @@ public class StudentArchiveGenerator {
 
     private static final String STUDENT_CODE_PEREFIX = "ST";
     private static final int STUDENT_CODE_LENGTH = 25;
-    private static final int STUDENT_NUM_LENGTH = 10;
+    private static final int STUDENT_NUM_LENGTH = 8;
 
     public  static String generateArchiveCode(String studentNumber, String fileTypeCode) {
-        String studentNum = studentNumber.substring(2, STUDENT_NUM_LENGTH);
+        String studentNum = studentNumber.substring(2, STUDENT_NUM_LENGTH + 3).replace("X", "");
         String nowDate = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyMMddHhmmss", Locale.CHINA));
         String archiveCode = ARCHIVE_CODE_PREFIX + studentNum + nowDate + fileTypeCode;
         if (archiveCode.length() < ARCHIVE_CODE_LENGTH) {