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一个好用的分页函数

Jun 13, 2016 pm 12:37 PM
codebutfunctionPaginationOriginalcopygoodpracticalprocesspointuseofwantmaster

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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