PHP：Laravel cast array json数据存数据库时unicode 编码问题和update更新不触发数据转换

class UserModel extends Model
{
    protected $table = 'tb_user';
    protected $casts = [
        'alias'            => 'array'
    ];
}

["\u80c3\u75db\u554a"]

class UserModel extends Model
{
    public function setAliasAttribute($option)
    {
        $this->attributes['alias'] = json_encode($option, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    }
}

class UserModel extends Model
{
    protected $table = 'tb_user';
    protected $casts = [
        'alias'            => 'array'
    ];
    // 覆盖asJson方法
    protected function asJson($value)
    {
        return json_encode($value, JSON_UNESCAPED_UNICODE);
    }
}

trait UnicodeJsonTrait
{
    /**
     * 序列化json
     * @param $value
     * @return false|string
     */
    protected function asJson($value)
    {
        return json_encode($value, JSON_UNESCAPED_UNICODE);
    }
}

class BaseModel extends Model
{
    use UnicodeJsonTrait;
}

class UserModel extends BaseModel
{
    protected $table = 'tb_user';
    protected $casts = [
        'alias'            => 'array'
    ];
}

<?php
namespace App\Casts;
use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
class JsonCast implements CastsAttributes
{
    public function get($model, string $key, $value, array $attributes)
    {
        return json_decode($value, true);
    }
    public function set($model, string $key, $value, array $attributes)
    {
        return json_encode($value, JSON_UNESCAPED_UNICODE);
    }
}

<?php
namespace App\Models;
use App\Casts\JsonCast;
use Illuminate\Database\Eloquent\Casts\Attribute;
class UserModel extends Model
{
    protected $table = 'tb_user';
    protected $casts = [
        'alias'            => JsonCast::class,
    ];
}

$this->where(xxx)->update(xxx)

$this->where(xxx)->first()->update(xxx)
// 或
$this->find(xxx)->update(xxx)