<?php

    function _PAGEFT($totle, $displaypg = 20, $url = '') {

        global $page, $firstcount, $pagenav, $_SERVER;

        $GLOBALS["displaypg"] = $displaypg;

        if (!$page)

            $page = 1;

        if (!$url) {

            $url = $_SERVER["REQUEST_URI"];

        }

        //URL分析：

        $parse_url = parse_url($url);

        $url_query = $parse_url["query"]; //单独取出URL的查询字串

        if ($url_query) {

            $url_query = ereg_replace("(^|&)page=$page", "", $url_query);

            $url = str_replace($parse_url["query"], $url_query, $url);

            if ($url_query)

                $url .= "&page";

            else

                $url .= "page";

        } else {

            $url .= "?page";

        }

        $lastpg = ceil($totle / $displaypg); //最后页，也是总页数

        $page = min($lastpg, $page);

        $prepg = $page -1; //上一页

        $nextpg = ($page == $lastpg ? 0 : $page +1); //下一页

        $firstcount = ($page -1) * $displaypg;

        //开始分页导航条代码：

        $pagenav = "显示第 <B>" . ($totle ? ($firstcount +1) : 0) . "</B>-<B>" . min($firstcount + $displaypg, $totle) . "</B> 条记录，共 $totle 条记录";

        //如果只有一页则跳出函数：

        if ($lastpg <= 1)

            return false;

        $pagenav .= " <a href='$url=1'>首页</a> ";

        if ($prepg)

            $pagenav .= " <a href='$url=$prepg'>前页</a> ";

        else

            $pagenav .= " 前页 ";

        if ($nextpg)

            $pagenav .= " <a href='$url=$nextpg'>后页</a> ";

        else

            $pagenav .= " 后页 ";

        $pagenav .= " <a href='$url=$lastpg'>尾页</a> ";

        //下拉跳转列表，循环列出所有页码：

        $pagenav .= "　到第 <select name='topage' size='1' onchange='window.location=\"$url=\"+this.value'>\n";

        for ($i = 1; $i <= $lastpg; $i++) {

            if ($i == $page)

                $pagenav .= "<option value='$i' selected>$i</option>\n";

            else

                $pagenav .= "<option value='$i'>$i</option>\n";

        }

        $pagenav .= "</select> 页，共 $lastpg 页";

    }

include("conn.php");

$result=mysql_query("SELECT * FROM `test`");

$total=mysql_num_rows($result);

//调用pageft()，每页显示10条信息（使用默认的20时，可以省略此参数），使用本页URL（默认，所以省略掉）。

_PAGEFT($total,5);

echo $pagenav;

$result=mysql_query("SELECT * FROM `test` limit $firstcount,$displaypg ");

while($row=mysql_fetch_array($result)){

echo "<hr><b>".$row[name]." | ".$row[sex];

}

?>