baoshi-was/database/factories/OwnerPriceOperationItemInFactory.php

<?php

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

use Faker\Generator as Faker;

$factory->define(\App\OwnerPriceOperationItemIn::class, function (Faker $faker)use(&$unit){
    $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"                           => factory(\App\Unit::class),//单位ID
        "unit_price"                        => mt_rand(10,100) / 12,                       //单价
        "feature"                           => \Illuminate\Support\Str::random(6),                          //特征
    ];
});