"-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> "http://www.w3.org/1999/xhtml"> "Content-Type" cOntent="text/html; charset=gb2312" /> "form1" name="form1" method="post" action=""> "t" id="t" cols="45" rows="5"> "submit" name="button" id="button" value="提交" /> if($_POST){ echo str_replace(chr(13),'',$_POST['t']); } ?>