* user: move the checkTmp method from model.php to zen.php bacause it's only used in zen.php.

module/user/model.php

@@ -1626,31 +1626,6 @@ class userModel extends model
         return 0;
     }
 
-    /**
-     * 检查缓存目录是否有写权限。
-     * Check if the tmp directory is writable.
-     *
-     * @access public
-     * @return bool
-     */
-    public function checkTmp(): bool
-    {
-        if(!is_dir($this->app->tmpRoot))   mkdir($this->app->tmpRoot,   0755, true);
-        if(!is_dir($this->app->cacheRoot)) mkdir($this->app->cacheRoot, 0755, true);
-        if(!is_dir($this->app->logRoot))   mkdir($this->app->logRoot,   0755, true);
-        if(!is_dir($this->app->logRoot))   return false;
-
-        $file = $this->app->logRoot . DS . 'demo.txt';
-        if($fp = @fopen($file, 'a+'))
-        {
-            @fclose($fp);
-            @unlink($file);
-            return true;
-        }
-
-        return false;
-    }
-
     /**
      * Compute user view.
      *

module/user/zen.php

@@ -11,7 +11,7 @@ class userZen extends user
     public function checkDirPermission(): void
     {
         $canModifyDIR = true;
-        if($this->user->checkTmp() === false)
+        if($this->checkTmp() === false)
         {
             $canModifyDIR = false;
             $folderPath   = $this->app->tmpRoot;
@@ -33,6 +33,31 @@ class userZen extends user
         }
     }
 
+    /**
+     * 检查缓存目录是否有写权限。
+     * Check if the tmp directory is writable.
+     *
+     * @access public
+     * @return bool
+     */
+    public function checkTmp(): bool
+    {
+        if(!is_dir($this->app->tmpRoot))   mkdir($this->app->tmpRoot,   0755, true);
+        if(!is_dir($this->app->cacheRoot)) mkdir($this->app->cacheRoot, 0755, true);
+        if(!is_dir($this->app->logRoot))   mkdir($this->app->logRoot,   0755, true);
+        if(!is_dir($this->app->logRoot))   return false;
+
+        $file = $this->app->logRoot . DS . 'demo.txt';
+        if($fp = @fopen($file, 'a+'))
+        {
+            @fclose($fp);
+            @unlink($file);
+            return true;
+        }
+
+        return false;
+    }
+
     /**
      * 获取一个用户用于 json 格式返回给前台。
      * Get a user for json format to return to the front end.