DB::connection()->enableQueryLog();#开启执行日志
$count = DB::table('test')     //执行查询
            ->whereNull('deleted_at')
            ->where('id', '=', 3)
            ->where('Name', '=', '测试')
            ->count();
Member::get();
print_r(DB::getQueryLog());   //获取查询语句、参数和执行时间