sp; $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;
    }
    /**
     * 下一页
     */
    function GoToNextPage()
    {
        $nextPageNo = $this->pageNo + 1;
        if ($nextPageNo > $this->pageCount)
        {
            $this->nextPageNo = $this->pageCount;
            return false;
        }
        $this->nextPageNo = $nextPageNo;
        return true;
    }
    /**
     * 上一页
     */
    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;
    }
}
?>

上一页  [1] [2] 

在google里搜索更多五 分页类

	Web www.51ec.org

上一篇信息学院： 四 文章类 封装对文章的各种操作（插入数据库、从数据库取出等等)…

下一篇信息学院： 六 插入实例…