baoshi-was/database/factories/OwnerOutStorageRuleFactory.php

<?php

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

use App\OwnerOutStorageRule;
use Faker\Generator as Faker;

$unit = \App\Unit::query()->first();
$factory->define(OwnerOutStorageRule::class, function (Faker $faker)use(&$unit) {
    if (!$unit)$unit = \App\Unit::query()->first();
    $strategy = ['默认','特征'];
    return [
        "owner_price_operation_id"          => factory(\App\OwnerPriceOperation::class),         //作业计费ID
        "strategy"                          =>$strategy[array_rand($strategy)],         //策略
        "amount"                            =>mt_rand(0,100),                           //起步数
        "unit_id"                           => $unit ? $unit->id : factory(\App\Unit::class),//单位ID
        "unit_price"                        =>mt_rand(10,100) / 12,                       //单价
        "feature"                           =>\Illuminate\Support\Str::random(6),                          //特征
    ];
});