获取缺货商品合计，总价添加到用户库存记录laravel

Question

所以我有这种情况，我有一个项目 table

 Schema::create('items', function (Blueprint $table) {
        $table->id();
        $table->string("name", 255)->index();
        $table->float("price");
        $table->foreignId("business_id")->constrained()->cascadeOnDelete();
        $table->float('selling_price')->after('price');
        $table->bigInteger('quantity_in_stock')->after('price')->nullable();
        $table->boolean('unlimited')->after('quantity_in_stock')->default(false);
        $table->timestamp("last_purchase_date")->nullable();
        $table->timestamps();
    });

所以我想 return 使用他创建的业务的特定用户的项目我想计算总价，库存数量为零的产品总数。请帮忙

Answer 1

DB::table('itmes')
         ->select('business_id',DB::raw('count(*) as total_number, sum('price') as total_price'))
         ->where('quantity_in_stock', 0)
         ->groupBy('business_id')
         ->get();

获取缺货商品合计，总价添加到用户库存记录laravel

Get total of out of stock products, total price added to the inventory records for the user laravel

php

laravel

eloquent

items