Merge branch 'develop' of http://git.dev.yoho.cn/web/yohobuy into develop

@@ -46,14 +46,20 @@ class CommonController extends WebAction
                 HomeModel::COOKIE_NAME_LIFESTYLE
                 HomeModel::COOKIE_NAME_LIFESTYLE
             );
             );
             $channel = $this->post('type', '');
             $channel = $this->post('type', '');
-            $pageIndex = $this->post('pageIndex', 1);
-            $pageCount = $this->post('pageCount', 8);
+            $pageIndex = intval($this->post('pageIndex', 1));
+            $pageCount = intval($this->post('pageCount', 8));
             if (! in_array($channel, $channels)) {
             if (! in_array($channel, $channels)) {
                 break;
                 break;
             } else {
             } else {
                 $data = HomeModel::getNewArrival($channel);
                 $data = HomeModel::getNewArrival($channel);
             }
             }
-            $result = array_slice($data, ($pageIndex - 1) * $pageCount, $pageCount);
+            if($pageIndex < 1) {
+                $pageIndex = 1;
+            }
+            if($pageCount < 1 || $pageCount > 50) {
+                $pageCount = 20;
+            }
+            $result = array_slice($data, $pageIndex - 1, $pageCount);
             if (empty($result)) {
             if (empty($result)) {
                 break;
                 break;
             }
             }