PHP 分页种

PHP 分页类
下面是我自己的分页类,可适当的修改

get = (int)$_GET['startRow']; 
        $this->post = (int)$_POST['pageNums']; 
        $this->pageSize = $pageSize; 
        $this->pageTotal = ceil($total / $pageSize); 
        switch ($_GET['method']){ 
            default: 
                $this->startRow = 1; 
                $this->offset = 0; 
            break; 
            case 'first': 
                $this->first(); 
            break;     
            case 'previous': 
                $this->previous(); 
            break;     
            case 'next': 
                $this->next(); 
            break;     
            case 'last': 
                $this->last(); 
            break;     
        } 
    }  
    /** 
     * 首页方法 
     * 
     */ 
    public function first(){ 
        $this->startRow = 1; 
        $this->offset = ($this->startRow - 1) * $this->pageSize;
    } 
    /** 
     * 上一页方法 
     * 
     */ 
    public function previous(){ 
        $this->startRow = $this->get - 1; 
        if ($this->startRow startRow = 1; 
        } 
        $this->offset = ($this->startRow - 1) * $this->pageSize;
    } 
    /** 
     * 下一页方法 
     * 
     */ 
    public function next(){ 
        $this->startRow = $this->get + 1; 
        if ($this->startRow > $this->pageTotal) { 
            $this->startRow = $this->pageTotal; 
        } 
        $this->offset = ($this->startRow - 1) * $this->pageSize;
    } 
    /** 
     * 最后页方法 
     * 
     */ 
    public function last(){ 
        $this->startRow = $this->pageTotal; 
        $this->offset = ($this->startRow - 1) * $this->pageSize;
    } 
    /** 
     * 下拉菜单翻页 
     * 
     * @return Int 
     */ 
    public function numPages(){ 
        if ($this->post) { 
            $pageNums = "$this->post"; 
            $this->startRow = $this->post; 
            $this->offset = ($this->post - 1) * $this->pageSize;
        } 
        for ($i = 1; $i pageTotal;$i++){ 
            if ($i != $this->post) { 
                $pageNums .= "$i"; 
            } 
        } 
        return $pageNums; 
    } 
    /** 
     * 当前是第几页 
     * 
     * @return Int 
     */ 
    public function noncePage(){ 
        if ($this->post) { 
            return $this->startRow = $this->post; 
        } else { 
            return $this->startRow = $this->startRow; 
        } 
    } 
} 

调用方法:

$total = $total->total();//总记录 
            $pageSize = 15;//每页显示的记录 
            $pager = new Pager($total,$pageSize); 
            if ($pager->post){$startRow = $pager->noncePage();} 
            $startRow = $pager->startRow; 
            $pager->numPages(); 
            $article->query("SELECT * FROM `categories` as c,`articles` as n WHERE c.id = n.pid
                    ORDER BY n.id DESC LIMIT $pager->offset,$pageSize"); 
            while ($article->fetchArray()) { 
                $article->data['content'] = mb_substr(strip_tags($article->data['content']),0,40,'utf-8'); 
                $articleIndex[] = $article->data;             
            } 
            $article->free(); 
        } else { 
            header("location:?act=login"); 
        } 
        $view->view->assign('startRow',$startRow);//caption 
        $view->view->assign('total',$total);//caption 
        $view->view->assign('pageNums',$pager->numPages());//pageNums 
        $view->view->assign('noncePage',$pager->noncePage());//pageNums 
        $view->view->assign('pageTotal',$pager->pageTotal);//pageTotal  

模板页面:

Pager: First Previous Next Last

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