优化比例字符格式化

app/common/model/goods/GoodsSubsidy.php

@@ -15,12 +15,10 @@ class GoodsSubsidy extends Models
                 'list_rows'=> $get['limit'],
                 'page'=> $get['page'],
             ]);
-
         foreach ($lists as &$v) {
             $v['profit']   = self::formatStr($v['profit']);
             $v['subsidy']  = self::formatStr($v['subsidy']);
         }
-
         return ['count' => $lists->total(), 'lists' => $lists->getCollection()];
     }
 
@@ -34,7 +32,10 @@ class GoodsSubsidy extends Models
 
     public static function formatStr($str)
     {
-        $s = explode('.', $str);
-        return $s[1] > 0 ? $s . '%' : intval($str) . '%';
+        $s = explode('.', strval($str));
+        if (count($s) > 1 && $s[1] > 0) {
+            return $str . '%';
+        }
+        return intval($s[0]) . '%';
     }
 }