PHP example code: AJAX pagination display data_PHP tutorial

Bangkejia (www.Bkjia.com) tutorial PHP example code: AJAX paging to display data.

Files for debugging

以下为引用的内容：



<script> <br>function viewpage(p){ <br>if(window.XMLHttpRequest){ <br>var xmlReq = new XMLHttpRequest(); <br>} else if(window.ActiveXObject) { <br>var xmlReq = new ActiveXObject('Microsoft.XMLHTTP'); <br>} <br>var formData = "page="+p; <br>xmlReq.onreadystatechange = function(){ <br>if(xmlReq.readyState == 4){ <br>document.getElementById('content2').innerHTML = xmlReq.responseText; <br>} <br>} <br>xmlReq.open("post", "Example8_7_1.php", true); <br>xmlReq.setRequestHeader("Content-Type", "application/x-www-form-urlencoded"); <br>xmlReq.send(formData); <br>return false; <br>} <br></script>

数据分页显示

Another file called Example8_7_1.php

The following is the quoted content:
header("Content-Type: text/html;charset=GB2312");
$pagesize=10;
//echo $_POST['page'];
$db=mysql_connect("localhost","root",""); //Create a database connection
mysql_query("set character set utf- 8");
mysql_select_db("optics");
$result = mysql_query("Select count(DISTINCT articleid) FROM product");
$myrow = mysql_fetch_array($result);
$ numrows=$myrow[0];
$pages=intval($numrows/$pagesize);
if ($numrows%$pagesize)
$pages++;
if (isset($_POST[ 'page'])){
$page=intval($_POST['page']);
}
else{
//Set to the first page
$page=1 ;
}
$first=1;
$prev=$page-1;
$next=$page+1;
$last=$pages;
//Calculate Record offset
$offset=$pagesize*($page - 1);
//Read the specified number of records

//$result=mysql_query("select `id`, count ( * ) from ".book." GROUP BY `id` order by id desc limit $offset,$pagesize");
$result=mysql_query("select * from product GROUP BY `articleid` order by articleid desc limit $offset,$pagesize");
$num = @mysql_num_rows($result);

while ($row = @mysql_fetch_array($result,MYSQL_NUM)) {
$hotelname[] = $row[0];
$name[]=$row[1];
$author[]=$row[2];
$publisher[]=$row[3];
$isbn[]=$row[4];
$type[]=$row[5];
$smallpic[]=$row[6];
//$countpeople[] = $row[1];
}
echo "n";
echo "n";
echo "";
for($a=0;$ a<$num;$a++)
{
echo "n";
echo "";
echo "";
echo "";
echo "";
echo "";
echo " ";
echo " ";
echo "";
}
echo "

ID number	Name	Author	Published Company	ISBN number	Type	Price
".$hotelname[ $a]."	".$name[$a]."	".$author[$a]."	".$publisher[$a]."	".$ isbn[$a]."	".$type[$a]."

n";
echo "echo "border=0>";
echo "

";
echo "

";
echo "

Page ".$page."/ Total ".$pages." pages | Total ".$numrows." items | ";
if ($page>1) echo "Homepage | ";
if ($page>1) echo "Previous page | ";
if ($page<$pages) echo " Next page | ";
if ($page<$pages) echo "Last page< /a>";
echo "Go to page ";
echo "

";

?>

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