php中结合Ajax的有关问题

php中结合Ajax的问题
删除页：del.php

HTML code


 
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[/code]delsend.php

PHP code

" ;
$xml=$xml."" ;
include_once("conn.php") ;
$result=mysql_query("select * from chatcontent") ;
while($rs=mysql_fetch_object($result)){
    $content.="".$rs->user_id."".$rs->name."".$rs->content."".$rs->showdate."".$rs->id."" ;
}
$xml=$xml.$content."" ;
echo $xml ;

mysql_close() ;
?>

[/code]startsend.php

PHP code