在laravel中的查询构建器上使用if condition error

Question

将keyword发送到控制器

时，

刀片正常工作

$search_alls = DB::table($table)
                  ->where('title', '=', $keyword)
                  ->where('status','=',0)
                  ->orderBy($wanttime_by, $wanttime_order)
                  ->paginate(9);

当我不将keyword发送到控制器

时，

刀片显示错误

$search_alls = DB::table($table);
if ($keyword) {
    $search_alls->where('title', '=', $keyword);
}
$search_alls
    ->where('status','=',0)
    ->orderBy($wanttime_by, $wanttime_order)
    ->paginate(9);

刀片视图

{{ $search_all->id }}

错误消息是

  

未定义的属性：Illuminate \ Database \ MySqlConnection :: $ id

Answer 1

$search_alls = DB::table($table);
        if ($keyword) {
            $search_alls=$search_alls->where('title', '=', $keyword);
        }

        $search_alls=$search_alls
        ->where('status','=',0)
        ->orderBy($wanttime_by, $wanttime_order)
        ->paginate(9);

谢谢@thisiskelvin！每个人都有帮助！