baoshi-was/database/factories/OwnerBillReportFactory.php

<?php

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

use App\OwnerBillReport;
use Faker\Generator as Faker;

$factory->define(OwnerBillReport::class, function (Faker $faker) {
    $initial_fee = mt_rand(0, 50000) / 10;
    $confirm_fee = mt_rand(0, 50000) / 10;
    return [
//        "owner_id" => factory(\App\Owner::class),       //项目ID
        "counting_month" => $faker->date(), //结算月
//        "initial_fee" => $initial_fee,    //原始账单金额
        "confirm_fee" => $confirm_fee,    //确认账单金额
        "difference" => $confirm_fee - $initial_fee,     //差额
        "confirmed" => "否",      //确认状态
        "work_fee" => mt_rand(10, 100),      //操作费
        "logistic_fee" => mt_rand(10, 100),   //物流费
        "storage_fee" => mt_rand(10, 100),    //仓储费
    ];
});