18

support/Encrypt.php

@@ -26,15 +26,40 @@ class Encrypt
      */
     static function userIDencode($userID,$key=0):string{
         if(!is_numeric(($userID))){
-            return $userID;
+            return $userID.'';
         }
         $userID = intval($userID);
         if($userID<=100234){
             return $userID.'';
         }
+        if($userID == '100235'){
+            return 'JWrb5JPm3E';
+        }
         if($userID<=102028){
             return id_encode($userID);
         }
+        return self::intEncode($userID,$key);
+    }
+    /**
+     * 解密非连续数字ID为原始连续ID
+     * @param int $encryptedId 加密后的非连续ID（8位数）
+     * @param int $userKey 可选的额外密钥
+     * @return int 原始连续ID
+     */
+    static function userIDDecode($userID,$key=0):string{
+        if($userID == 'JWrb5JPm3E'){
+            return '100235';
+        }
+        if(!is_numeric(($userID))){
+            return id_decode($userID.'');
+        }
+        if($userID<=100234){
+            return $userID.'';
+        }
+        
+        return self::intDecode($userID,$key);
+    }
+    static function intEncode($userID,$key=0){
         $key = intval($key);
 
         $plainId = abs(intval($userID)) % self::$maxId;
@@ -55,19 +80,8 @@ class Encrypt
         // 确保结果是8位数（10000000 - 99999999）
         return (self::$baseValue + $encrypted).'';
     }
-    /**
-     * 解密非连续数字ID为原始连续ID
-     * @param int $encryptedId 加密后的非连续ID（8位数）
-     * @param int $userKey 可选的额外密钥
-     * @return int 原始连续ID
-     */
-    static function userIDDecode($userID,$key=0):string{
-        if(!is_numeric(($userID))){
-            return id_decode($userID.'');
-        }
-        if($userID<=100234){
-            return $userID.'';
-        }
+    static function intDecode($userID,$key=0): string{
+
         $key = intval($key);
         // 去除基数，得到原始混淆值
         $cipherId = ($userID - self::$baseValue + self::$maxId) % self::$maxId;
@@ -88,7 +102,6 @@ class Encrypt
         
         return $plainId.'';
     }
-    
     /**
      * 使用扩展欧几里得算法计算模逆元
      * 返回 x 使得 (a * x) % m = 1