public function show($id)
 {
     $id = intval($id);
     $friendLink = FriendLink::find($id);
     if ($friendLink) {
         ++$friendLink->views;
         $friendLink->save();
         if ($friendLink->url != '') {
             return Redirect::to(strip_tags($friendLink->url));
         } else {
             return Theme::view('friendLink.show', compact('friendLink'));
         }
     } else {
         return Redirect::to('/');
     }
 }
 public function destroy($id)
 {
     FriendLink::destroy($id);
     return ['error' => 0, 'message' => '删除成功!'];
 }