//delete file
if($_POST['action']=='del')
{
if(file_exists("/vg/_sysvols/pbx/spool/sendfax/".$_POST['delfile'] ))
{
shell_exec("rm /vg/_sysvols/pbx/spool/sendfax/'".$_POST['delfile']."'" );
}
}
linux 下操作特殊字符的文件时需要”或者’