// 数据表中需添加一个 delete_time 字段保存删除时间
namespace app\index\model;

use think\Model;
use traits\model\SoftDelete;

class User extends Model
{
    use SoftDelete;
    protected static $deleteTime = 'delete_time';  // 5.2版本之前必须用static定义
}

$user = model('User');
$user::destroy(1);   // 软删除
$user::destroy(1,true);   // 真实删除
$user->delete();     // 软删除
$user->delete(true);  // 真实删除

$user = model('User');
$data = $user::withTrashed()->select();

$user = model('User');
$data = $user::onlyTrashed()->select();