* Optimize extension control.

module/extension/control.php

@@ -321,9 +321,10 @@ class extension extends control
     }
 
     /**
+     * 清除插件。
      * Erase an extension.
      *
-     * @param  string    $extension
+     * @param  string $extension
      * @access public
      * @return void
      */
@@ -332,11 +333,12 @@ class extension extends control
         $this->checkSafe();
 
         $this->view->removeCommands = $this->extension->erasePackage($extension);
-        $this->view->title      = $this->lang->extension->eraseFinished;
+        $this->view->title          = $this->lang->extension->eraseFinished;
         $this->display();
     }
 
     /**
+     * 升级插件。
      * Update extension.
      *
      * @param  string $extension
@@ -346,7 +348,7 @@ class extension extends control
      * @access public
      * @return void
      */
-    public function upgrade($extension, $downLink = '', $md5 = '', $type = '')
+    public function upgrade(string $extension, string $downLink = '', string $md5 = '', string $type = '')
     {
         $this->checkSafe();
 
@@ -355,13 +357,14 @@ class extension extends control
     }
 
     /**
+     * 查看插件的目录结构。
      * Browse the structure of extension.
      *
-     * @param  int    $extension
+     * @param  string $extension
      * @access public
      * @return void
      */
-    public function structure($extension)
+    public function structure(string $extension)
     {
         $this->checkSafe();
 

module/extension/ui/browse.html.php

@@ -28,7 +28,7 @@ foreach($extensions as $extension)
     }
 
     $btnItems = array();
-    if(isset($extension->viewLink))       $btnItems[] = array('text' => $lang->extension->view,  'url' => $extension->viewLink);
+    if(isset($extension->viewLink))       $btnItems[] = array('text' => $lang->extension->view,  'url' => $extension->viewLink, 'data-toggle' => 'modal', 'data-type' => 'iframe', 'data-size' => array('width' => 1024, 'height' => 600));
     if($extension->status == 'installed') $btnItems[] = array('text' => $lang->extension->structure,  'url' => createLink('extension', 'structure', "extension={$extension->code}"),  'data-toggle' => 'modal');
     if($extension->status == 'installed' && !empty($extension->upgradeLink)) $btnItems[] = array('text' => $lang->extension->upgrade,  'url' => $extension->upgradeLink, 'data-toggle' => 'modal');
     if($extension->type != 'patch')