fixed: idCard数据Mask兼容性错误

src/main/java/xyz/playedu/api/bus/BackendBus.java

@@ -67,13 +67,15 @@ public class BackendBus {
     }
 
     public static String valueHidden(String permissionSlug, String type, String value) {
-        if (BCtx.isNull()) { // 非后管环境返回原值
+        if (BCtx.isNull() || value == null) { // 非后管环境直接返回 || 值为null不需要处理
             return value;
         }
+
         HashMap<String, Boolean> permissions = BCtx.getAdminPer();
         if (permissions.get(permissionSlug) != null) {
             return value;
         }
+
         if (BackendConstant.PRIVACY_FIELD_TYPE_EMAIL.equals(type)) {
             return PrivacyUtil.hideEmail(value);
         } else if (BackendConstant.PRIVACY_FIELD_TYPE_PHONE.equals(type)) {

src/main/java/xyz/playedu/api/controller/frontend/UserController.java

@@ -69,9 +69,7 @@ public class UserController {
         List<Department> departments =
                 departmentService.listByIds(userService.getDepIdsByUserId(user.getId()));
 
-        if (user.getIdCard() != null && user.getIdCard().length() > 0) {
-            user.setIdCard(PrivacyUtil.hideIDCard(user.getIdCard()));
-        }
+        user.setIdCard(PrivacyUtil.hideIDCard(user.getIdCard()));
 
         HashMap<String, Object> data = new HashMap<>();
         data.put("user", user);

src/main/java/xyz/playedu/api/util/PrivacyUtil.java

@@ -15,22 +15,26 @@
  */
 package xyz.playedu.api.util;
 
-/**
- * @Author 杭州白书科技有限公司
- *
- * @create 2023/3/3 10:51
- */
 public class PrivacyUtil {
 
     public static String hidePhone(String phone) {
+        if (phone == null) {
+            return null;
+        }
         return phone.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2");
     }
 
     public static String hideEmail(String email) {
+        if (email == null) {
+            return null;
+        }
         return email.replaceAll("(\\w?)(\\w+)(\\w)(@\\w+\\.[a-z]+(\\.[a-z]+)?)", "$1****$3$4");
     }
 
     public static String hideIDCard(String idCard) {
+        if (idCard == null) {
+            return null;
+        }
         return idCard.replaceAll("(\\d{4})\\d{10}(\\w{4})", "$1*****$2");
     }