自动编号

    var bhobj = $("input[title='编号']");

if(bhobj.val()==""){

vardate=newDate();

        var time = date.getFullYear();

        $.ajax({

type:"POST",

url:"/form/sn/bh.php",

success:function(msg){

varzdbh=(time-1)*1000+1000+msg;

                bhobj.val(zdbh).attr("readonly", "");

            }

});

    }

<?

include_once("inc/auth.php");

ob_clean();

$bha=mysql_fetch_array(mysql_query("select id from $shujuku.flow_data_70   order by id desc limit 1"));

echo $bha[0];

?>