function page($sql,$_size) {
//将里面的所有变量取出来，外部可以访问
global $_page,$_pagesize,$_pagenum,$_pageabsolute,$_num;
if (isset($_GET['page'])) {
$_page = $_GET['page'];
if (empty($_page) || $_page < 0 || !is_numeric($_page)) {
$_page = 1;
} else {
$_page = intval($_page);
}
} else {
$_page = 1;
}
$_pagesize = $_size;
$_num = _num_rows(_query($_sql));
if ($_num == 0) {
$_pageabsolute = 1;
} else {
$_pageabsolute = ceil($_num / $_pagesize);
}
if ($_page > $_pageabsolute) {
$_page = $_pageabsolute;
}
$_pagenum = ($_page - 1) * $_pagesize;
}

/**

• _paging分页函数
• @param $_type
• @return 返回分页
  */

function _paging($_type) {
global $_page,$_num;
if ($_type == 1) {
echo '<div id="page_num">';
echo '

';
for ($i=0;$i<$_pageabsolute;$i++) {
if ($_page == ($i+1)) {
echo '
• <a href="blog.php?page='.($i+1).'" class="selected">'.($i+1).'
';
} else {
echo '
• <a href="blog.php?page='.($i+1).'">'.($i+1).'
';
}
}
echo '