适配了京东联盟新版接口，jd.union.open.category.goods.get增加了设置parentid以及grade参数。

Author: imfoggy

src/JingDong/Application.php

@@ -14,7 +14,7 @@ class Application
 {
     private static $instance;
 
-    private $gatewayUrl = 'https://router.jd.com/api';
+    private $gatewayUrl = 'https://api.jd.com/routerjson';
 
     public $appKey;
 
@@ -89,7 +89,7 @@ public function execute($request, $access_token = null)
             $params["access_token"] = $access_token;
         }
 
-        $params['param_json'] = $request->getParamJson ();;
+        $params['360buy_param_json'] = $request->getParamJson ();;
 
 
         $params['sign'] = $this->generateSign ($params);

src/JingDong/Request/JdUnionCategoryGoodsGetRequest.php

@@ -30,6 +30,14 @@ class JdUnionCategoryGoodsGetRequest implements RequestInterface
      */
     private $grade;
 
+    public function setParentId($parentId){
+        $this->parentId = $parentId;
+    }
+
+    public function setGrade($grade){
+        $this->grade = $grade;
+    }
+
 
     /**
      * @return string