PHP实例代码：AJAX 分页显示数据_PHP教程

　　帮客之家(www.Bkjia.com)教程 PHP实例代码：AJAX 分页显示数据。

调试用的文件

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

　　调用的另外一个文件 Example8_7_1.php

以下为引用的内容：
header("Content-Type:text/html;charset=GB2312");
$pagesize=10;
//echo $_POST['page'];
$db=mysql_connect("localhost","root",""); //创建数据库连接
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{
//设置为第一页
$page=1;
}
$first=1;
$prev=$page-1;
$next=$page+1;
$last=$pages;
//计算记录偏移量
$offset=$pagesize*($page - 1);
//读取指定记录数

//$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{
echo "\n";
echo "";
echo "";
echo "";
echo "";
echo "";
echo "";
echo "";
echo "";
}
echo "

ID编号	名称	作者	出版社	ISBN号	类型	价格
".$hotelname[$a]."	".$name[$a]."	".$author[$a]."	".$publisher[$a]."	".$isbn[$a]."	".$type[$a]."

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

";
echo "

";
echo "

第".$page."页/总".$pages."页 | 总".$numrows."条 | ";
if ($page>1) echo "首页 | ";
if ($page>1) echo "上页 | ";
if ($page下页 | ";
if ($page尾页";
echo " 转到第 页 ";
echo "

";

?>

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