update:goods_sku_id调整

src/Common/GoodsSkuId.php

@@ -5,22 +5,28 @@ namespace Api\PhpUtils\Common;
 
 class GoodsSkuId
 {
+    const TABLE_TAG_GENERAL = "000";//普通表 goods_sku 商品
+    const TABLE_TAG_PINDAN = "001";//接龙表 pindan_goods_sku 商品
+
     /**
      * 生成加密后的 sku_id
      * id 非雪花算法生成的sku_id
      * category_1_id 一级分类的id，两位，不足两位在十位补零
      * category_2_id 二级分类的id，两位，不足三位在百位补零
-     * spu 商品类型，1虚拟商品，2实体商品
-     * goodsType 1、（默认）第三方商品 2、自营商品
+     * goodsType 商品类型，1虚拟商品，2实体商品 占一位
+     * belongType 1、（默认）第三方商品 2、自营商品 占一位
+     * tableTag 数据所在表： 000: goods_sku, 001: pindan_goods_sku
      *
      * @param $id
      * @param $category1Id
      * @param $category2Id
      * @param $spuType
      * @param $goodsType
+     * @param $belongType
+     * @param $tableTag
      * @return string
      */
-    public static function generateGoodSkuId($id, $category1Id, $category2Id, $spuType, $goodsType = 1)
+    public static function generateGoodSkuId($id, $category1Id, $category2Id, $goodsType, $belongType = 1, $tableTag = "000")
     {
         if (strlen($category1Id) == 1) {
             $category1Id = "0" . $category1Id;
@@ -28,7 +34,7 @@ class GoodsSkuId
         if (strlen($category2Id) == 2) {
             $category2Id = "0" . $category2Id;
         }
-        $idStr = $id . $category1Id . $category2Id . $spuType . $goodsType;
+        $idStr = $id . $category1Id . $category2Id . $goodsType . $belongType . $tableTag;
         //转62进制
         $tmp = BaseConvert::decToOther($idStr);
 
@@ -97,4 +103,79 @@ class GoodsSkuId
 
         return $ret === $code;
     }
+
+    /**
+     * 恢复加密前的订单号
+     * @param $str
+     * @return bool|int|string
+     */
+    public static function recoverGoodSkuId($str)
+    {
+        $strlen = strlen($str);
+
+        $chklen = 2;
+        $code = substr($str, -$chklen);
+        $str = substr($str, 0, $strlen-$chklen);
+        $strlen -= $chklen;
+
+        $base = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
+
+        if ($strlen % 2 == 1)
+        {
+            $str = '0' . $str;
+            $strlen += 1;
+        }
+
+        $sum = 0;
+        $len = $strlen/2;
+
+        for ($i=0; $i<$len; $i++)
+        {
+            $sum *= 137;
+            $sum += ord($str[$i]) ^ ord($str[$strlen-$i-1]);
+        }
+
+        $ret = '';
+        for ($i=$chklen; $i>0; $i--)
+        {
+            $idx = $sum % 62;
+            $sum = ($sum-$idx) / 62;
+            $ret = $base[$idx] . $ret;
+        }
+
+        if ($ret === $code) {
+            $codeLen = strlen($code);
+            return BaseConvert::otherToDec($str);
+        }
+        return "";
+    }
+
+    /**
+     * 根据skuId获取对应的参数
+     * @param $goodsSkuId
+     * @return array
+     */
+    public static function getGoodsSkuIdParams($goodsSkuId)
+    {
+        $goodsSkuIdNum = self::recoverGoodSkuId($goodsSkuId);
+        $data = [];
+        if (!empty($goodsSkuIdNum)) {
+            $idgenId = substr($goodsSkuIdNum, 0, 20);
+            $category1Id = substr($goodsSkuIdNum, 20, 2);
+            $category2Id = substr($goodsSkuIdNum, 22, 3);
+            $goodsType = substr($goodsSkuIdNum, 25, 1);
+            $belongType = substr($goodsSkuIdNum, 26, 1);
+            $tableTag = substr($goodsSkuIdNum, 27, 3);
+
+            $data = [
+                "idgent_id" => $idgenId,
+                "category_1_id" => $category1Id,
+                "category_2_id" => $category2Id,
+                "goods_type" => $goodsType,
+                "belong_type" => $belongType,
+                "table_tag" => $tableTag,
+            ];
+        }
+        return $data;
+    }
 }
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