make AssignTrait reusable. create wrapper for screenshot

src/Screenshot.php

+<?php
+/**
+ * Created by IntelliJ IDEA.
+ * User: rek
+ * Date: 2017/7/14
+ * Time: AM11:52
+ */
+
+namespace neoteched\rpc;
+
+
+use neoteched\rpc\screenshot\Config;
+use x2ts\rpc\RPCWrapper;
+
+/**
+ * Class Screenshot
+ *
+ * @package neoteched\rpc
+ * @method shotAndFetchImage(Config $c):string $img
+ * @method shotAndFetchUrl(Config $c):string $url
+ */
+class Screenshot extends RPCWrapper {
+}
\ No newline at end of file

src/pay_center/Feature.php

@@ -13,7 +13,7 @@ use x2ts\IAssignable;
 use x2ts\rpc\RPCWrapper;
 
 class Feature implements IAssignable {
-    use AssignTrait;
+    use neoteched\rpc\traits\AssignTrait;
 
     const TYPE_CARD = 'card';
     const MAP_TYPE = [

src/pay_center/Order.php

@@ -12,7 +12,7 @@ namespace neoteched\rpc\pay_center;
 use x2ts\IAssignable;
 
 class Order implements IAssignable {
-    use AssignTrait;
+    use neoteched\rpc\traits\AssignTrait;
 
     const ST_NEW = 'new';
     const ST_PAID = 'paid';

src/pay_center/Product.php

@@ -12,7 +12,7 @@ use x2ts\IAssignable;
 use x2ts\rpc\RPCWrapper;
 
 class Product implements IAssignable {
-    use AssignTrait;
+    use neoteched\rpc\traits\AssignTrait;
 
     private static $userBought = [];
 

src/pay_center/Purpose.php

@@ -12,7 +12,7 @@ namespace neoteched\rpc\pay_center;
 use x2ts\IAssignable;
 
 class Purpose implements IAssignable {
-    use AssignTrait;
+    use neoteched\rpc\traits\AssignTrait;
 
     /**
      * @var string $productName 产品名称

src/screenshot/Config.php

+<?php
+/**
+ * Created by IntelliJ IDEA.
+ * User: rek
+ * Date: 2017/7/14
+ * Time: AM11:54
+ */
+
+namespace neoteched\rpc\screenshot;
+
+use neoteched\rpc\traits\AssignTrait;
+use x2ts\IAssignable;
+
+final class Config implements IAssignable {
+    use AssignTrait;
+
+    const FORMAT_PNG = 'png';
+    const FORMAT_JPEG = 'jpeg';
+
+    /**
+     * @var string
+     */
+    public $url = '';
+
+    /**
+     * @var int
+     */
+    public $width = 640;
+
+    /**
+     * @var int
+     */
+    public $height = 960;
+
+    /**
+     * @var string
+     */
+    public $format = self::FORMAT_PNG;
+}
\ No newline at end of file

src/pay_center/AssignTrait.php → src/traits/AssignTrait.php

@@ -6,7 +6,7 @@
  * Time: PM6:25
  */
 
-namespace neoteched\rpc\pay_center;
+namespace neoteched\rpc\traits;
 
 
 trait AssignTrait {