商品重量默认为 0 g

app/Models/ProductSku.php

@@ -17,6 +17,15 @@ class ProductSku extends Model
     use Release;
     use SkuInfo;
 
+    /**
+     * @var array
+     */
+    protected $attributes = [
+        'weight' => 0,
+        'stock' => 0,
+        'sales' => 0,
+    ];
+
     /**
      * @var array
      */

app/Models/ProductSpu.php

@@ -11,6 +11,18 @@ class ProductSpu extends Model
 {
     use HasDateTimeFormatter;
 
+    /**
+     * @var array
+     */
+    protected $attributes = [
+        'weight' => 0,
+        'stock' => 0,
+        'sales' => 0,
+    ];
+
+    /**
+     * @var array
+     */
     protected $casts = [
         'images' => JsonArray::class,
         'sell_price' => Price::class,

database/migrations/2021_11_22_110044_create_product_spus_table.php

@@ -26,7 +26,7 @@ class CreateProductSpusTable extends Migration
             $table->bigInteger('cost_price')->unsigned()->default(0)->comment('成本价格:分');
             $table->bigInteger('vip_price')->unsigned()->nullable()->comment('会员价格:分');
             $table->string('media')->nullable()->comment('媒体地址');
-            $table->integer('weight')->unsigned()->nullable()->comment('重量:g');
+            $table->integer('weight')->unsigned()->default(0)->comment('重量:g');
             $table->json('attrs')->nullable()->comment('属性文本');
             $table->integer('stock')->unsigned()->default(0)->comment('库存');
             $table->integer('sales')->unsigned()->default(0)->comment('销量');

database/migrations/2021_11_24_120232_create_product_skus_table.php

@@ -27,7 +27,7 @@ class CreateProductSkusTable extends Migration
             $table->bigInteger('cost_price')->unsigned()->default(0)->comment('成本价格:分');
             $table->bigInteger('vip_price')->unsigned()->nullable()->comment('会员价格:分');
             $table->string('media')->nullable()->comment('媒体地址');
-            $table->integer('weight')->unsigned()->nullable()->comment('重量:g');
+            $table->integer('weight')->unsigned()->default(0)->comment('重量:g');
             $table->json('attrs')->nullable()->comment('属性文本');
             $table->json('specs')->nullable()->comment('规格属性');
             $table->integer('stock')->unsigned()->default(0)->comment('库存');

database/migrations/2021_12_07_143655_create_orders_table.php

@@ -23,7 +23,7 @@ class CreateOrdersTable extends Migration
             $table->unsignedBigInteger('shipping_fee')->default(0)->comment('运费');
             $table->unsignedBigInteger('products_total_amount')->comment('商品总额');
             $table->unsignedBigInteger('total_amount')->comment('订单总额（支付金额）=商品总额+运费-优惠券金额-会员优惠-减免金额');
-            $table->unsignedInteger('weight')->nullable()->comment('订单重量');
+            $table->unsignedInteger('weight')->default(0)->comment('订单重量');
             $table->string('note')->nullable()->comment('客户备注');
             $table->string('remark')->nullable()->comment('订单备注');
             // 支付信息

database/migrations/2021_12_07_143722_create_order_products_table.php

@@ -25,7 +25,7 @@ class CreateOrderProductsTable extends Migration
             $table->string('cover')->nullable()->comment('商品封面');
             $table->json('specs')->nullable()->comment('规格属性');
             $table->unsignedInteger('quantity')->comment('数量');
-            $table->unsignedInteger('weight')->nullable()->comment('重量:g');
+            $table->unsignedInteger('weight')->default(0)->comment('重量:g');
             $table->unsignedBigInteger('sell_price')->comment('商品价格');
             $table->unsignedBigInteger('vip_price')->nullable()->comment('会员价格');
             $table->unsignedBigInteger('coupon_disount_amount')->default(0)->comment('优惠券金额');