baoshi-was/database/factories/OwnerStoragePriceModelFactory.php

<?php

/** @var \Illuminate\Database\Eloquent\Factory $factory */

use App\OwnerStoragePriceModel;
use Faker\Generator as Faker;
$unit = \App\Unit::query()->first();
$factory->define(OwnerStoragePriceModel::class, function (Faker $faker) use(&$unit){
    if (!$unit) $unit = \App\Unit::query()->first();
    $counting_type = ['包仓','灵活用仓','统单价'];
    $using_type = ['常温','恒温'];
    $discount_type = ['无减免','按单减免','固定减免'];
    return [
        "counting_type" => array_rand($counting_type),    //计费类型
        "using_type" => array_rand($using_type),       //用仓类型
        "minimum_area" => mt_rand(100,1000) / 50,     //最低起租面积
        "price" => mt_rand(1,20) / 10,            //单价
        "discount_type" => array_rand($discount_type),    //减免类型
        "discount_value" => mt_rand(0,10) / 12,   //减免值
        "unit_id" => $unit ? $unit->id : factory(\App\Unit::class),          //单位ID
    ];
});