商品数据表创建是否自提，是否快递发货，快递运费方式，统一邮费字段

backend/modules/goods/migrations/m191207_004848_add_columns_is_taking_is_express_express_type_uniform_postage_in_table_atg_goods.php

@@ -0,0 +1,26 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Class m191207_004848_add_columns_is_taking_is_express_express_type_uniform_postage_in_table_atg_goods
+ */
+class m191207_004848_add_columns_is_taking_is_express_express_type_uniform_postage_in_table_atg_goods extends Migration
+{
+    public function up()
+    {
+        $this->addColumn('atg_goods', 'is_taking', $this->tinyInteger(1)->defaultValue(0)->notNull()->comment('是否自提'));
+        $this->addColumn('atg_goods', 'is_express', $this->tinyInteger(1)->defaultValue(0)->notNull()->comment('是否快递发货'));
+        $this->addColumn('atg_goods', 'express_type', $this->tinyInteger(2)->defaultValue(0)->comment('快递运费方式'));
+        $this->addColumn('atg_goods', 'uniform_postage', $this->integer(20)->defaultValue(0)->comment('统一邮费'));
+    }
+
+    public function down()
+    {
+        $this->dropColumn('atg_goods', 'is_taking');
+        $this->dropColumn('atg_goods', 'is_express');
+        $this->dropColumn('atg_goods', 'express_type');
+        $this->dropColumn('atg_goods', 'uniform_postage');
+        return true;
+    }
+}