1、目录下放一个 phpqrcode.php即可 2、show.php如下 <?php$shell = "tail -n 50 /opt/xxqg/logs/logs.log";exec($shell, $result, $status);$shell = "<font color='red'>$shell</font>";//echo "<div style='line-height: 1;letter-spacing:-2.2px;'>";echo "<pre>";if( $status ){echo "shell命令{$shell}执行失败";} else {echo "shell命令{$shell}成功执行, 结果如下<hr> ";$num = count($result); for($i=0;$i<$num;++$i){if...