PHP分页类
时间:2014-06-09 16:40来源: 作者: 点击:
次
?php //禁止直接访问该页面 if ( basename ( $HTTP_SERVER_VARS [ PHP_SELF ])== pager.class.php ){ header( HTTP/1.0404NotFound ); } class Pager { /**总信息数*/ var $infoCount ; /**总页数*/ var $pageCount ; /**每页显示条数 */ var $it
- <?php
-
- if (basename($HTTP_SERVER_VARS['PHP_SELF']) == "pager.class.php") {
- header("HTTP/1.0 404 Not Found");
- }
-
- class Pager
- {
-
- var $infoCount;
-
- var $pageCount;
-
- var $items;
-
- var $pageNo;
-
- var $startPos;
- var $nextPageNo;
- var $prevPageNo;
-
- function Pager($infoCount, $items, $pageNo)
- {
- $this->infoCount = $infoCount;
- $this->items = $items;
- $this->pageNo = $pageNo;
- $this->pageCount = $this->GetPageCount();
- $this->AdjustPageNo();
- $this->startPos = $this->GetStartPos();
- }
- function AdjustPageNo()
- {
- if($this->pageNo == '' || $this->pageNo < 1)
- $this->pageNo = 1;
- if ($this->pageNo > $this->pageCount)
- $this->pageNo = $this->pageCount;
- }
-
-
-
- function GoToNextPage()
- {
- $nextPageNo = $this->pageNo 1;
- if ($nextPageNo > $this->pageCount)
- {
- $this->nextPageNo = $this->pageCount;
- return false;
- }
- $this->nextPageNo = $nextPageNo;
- return true;
- }
-
-
-
- function GotoPrevPage()
- {
- $prevPageNo = $this->pageNo - 1;
- if ($prevPageNo < 1)
- {
- $this->prevPageNo = 1;
- return false;
- }
- $this->prevPageNo = $prevPageNo;
- return true;
- }
- function GetPageCount()
- {
- return ceil($this->infoCount / $this->items);
- }
- function GetStartPos()
- {
- return ($this->pageNo - 1) * $this->items;
- }
- }
- ?>
(责任编辑:admin) |
------分隔线----------------------------