페이징 구현

header('Content-type:text/html; charset=UTF-8');

$conn = mysql_connect('localhost', 'root', '123456') or die('connect to database error!');
mysql_select_db('xsphp') or die('select database error!');
mysql_query('SET NAMES utf8');

function showTable($name,$page=1)
{

    $eachPages = 5;
    $url = $_SERVER['PHP_SELF'];

    $sql = "SELECT count(*) as total FROM {$name}";
    $result = mysql_query($sql);
    list($rowNums) = mysql_fetch_row($result);

    $pageNums = ceil($rowNums / $eachPages);
    $rowFrom = ($page > 1) ? (($page - 1) * $eachPages) : 0;

    $sql = "SELECT id,title FROM {$name} LIMIT {$rowFrom},{$eachPages}";
    $result = mysql_query($sql);

	echo '';	echo '';
    //显示标题    $cols = mysql_num_fields($result);    echo '';    for ($i=0; $i<$cols; $i  ) {        echo '';    }    echo '';    //显示记录    while ($row = mysql_fetch_assoc($result)) {        echo '';        echo '';        echo '';        echo '';    }    //显示Page导航    echo '
'.$name.'



'.mysql_field_name($result,$i).'





'.$row['id'].'
'.$row['title'].'



记录共有:'.mysql_num_rows($result) . '';
    echo ($page == 1) ? '首页' : '首页';
    echo '  ';
    echo ($page == 1) ? '上一页' : '上一页';
    echo '  ';
    echo ($page == $pageNums) ? '下一页' : '下一页';
    echo '  ';
    echo ($page == $pageNums) ? '尾页' : '尾页';
    echo '';
}

if (isset($_GET['page']) && $_GET['page'] > 0) {
    $page = $_GET['page'];
} else {
    $page = 1;
}

showTable('category',$page);