echo '<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>提示</title><script language=javascript>alert("超级计算机");</script></head></html>';
echo
'<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>提示</title><script language=javascript>alert("超级计算机");</script></head></html>'
;