一个好用的分页函数
复制代码 代码如下:
本人原创的代码,高手看来,也许流程笨拙点,但是很实用.看者要顶啊
/*---------------------------------------------------------------//
* 函数说明:分页函数 page($sql,$pagesize="30")
* $sql 查询语句(除limit外,可带排序或者条件限制)
* 如 select * from stu where time between "1" and "30";
* $pagesize 每页的显示条数
* ## 可输出数组$arr的值,说明如下:
* $arr["first"] 首页及地址
* $arr["page_pre"] 上一页及地址
* $arr["all"] 当第几页和总页数
* $arr["page_next"]下一页及地址
* $arr["last"] 末页及地址
* $arr["pagelist"] 页码列表及地址,显示当前页前后4页列表
* $arr["query"] 语句 $arr["query"] = mysql_query($sql)
* $arr["nums"] 记录总数
* 2006.09.06 by Kevin QQ:84529890
//----------------------------------------------------------------*/
function page($sql,$pagesize="30"){
global $arr,$PHP_SELF;
$query = mysql_query($sql);
$num = mysql_num_rows($query);
$pagecount = ceil($num/$pagesize);
$page = $_GET["page"];
if(!$page) $page=1;
if($page>$pagecount) $page = $pagecount;
$offset = ($page-1)*$pagesize;
$sql.=" limit $offset , $pagesize";
$arr["query"] = mysql_query($sql);
if($page>1){
$page_pre = $page-1;
$page_url = $PHP_SELF . "?page=".$page_pre;
$arr["page_pre"] = "上一页|\n";
}
if($page $page_next = $page+1;
$page_url = $PHP_SELF . "?page=".$page_next;
$arr["page_next"] = "|下一页\n";
}
$arr["all"] = "".$page ."/". $pagecount . "页\n";
$arr["first"] = "首页\n|";
$arr["last"] = "|末页\n";
$plfront="";
if($page=1){
for($i=1;$i $plfront.= " ".$i."";
}
}elseif($page>5 && $page for($i=$page-4;$i $plfront.= " ".$i."";
}
}else{
for($i=$pagecount-8;$i $plfront.= " ".$i."";
}
}
$arr["pagelist"] = $plfront." ";
$arr["nums"] = $num;
}

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