具有软删除数据的Laravel唯一验证

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class YourModel extends Model
{
    use SoftDeletes;

    protected $dates = ['deleted_at'];

    public static function boot()
    {
        parent::boot();

        static::saving(function ($model) {
            $rules = $model->getRules();

            if ($model->exists) {
                $rules['your_unique_field'] .= ',' . $model->id;
            }

            $validator = Validator::make($model->getAttributes(), $rules);

            if ($validator->fails()) {
                throw new ValidationException($validator);
            }
        });
    }

    public function getRules()
    {
        return [
            'your_unique_field' => 'required|unique:your_table,your_unique_field',
        ];
    }
}