從kohana分頁類廢棄,我想你會發現它有用,如果你知道任何有關PHP類的基礎知識。
用法:
$pager = Pagination::factory(array('current_page' => $_GET['page'], 'total_items' => $total_items, 'items_per_page' => 20));
if ($pager->next_page) { /* etc.......*/ }
<?php
class Pagination {
protected $config = array(
'current_page' => 1,
'total_items' => 0,
'items_per_page' => 10
);
// Current page number
protected $current_page;
// Total item count
protected $total_items;
// How many items to show per page
protected $items_per_page;
// Total page count
protected $total_pages;
// Item offset for the first item displayed on the current page
protected $current_first_item;
// Item offset for the last item displayed on the current page
protected $current_last_item;
// Previous page number; FALSE if the current page is the first one
protected $previous_page;
// Next page number; FALSE if the current page is the last one
protected $next_page;
// First page number; FALSE if the current page is the first one
protected $first_page;
// Last page number; FALSE if the current page is the last one
protected $last_page;
// Query offset
protected $offset;
/**
* Creates a new Pagination object.
*
* @param array configuration
* @return Pagination
*/
public static function factory(array $config = array())
{
return new Pagination($config);
}
/**
* Creates a new Pagination object.
*
* @param array configuration
* @return void
*/
public function __construct(array $config = array())
{
// Pagination setup
$this->setup($config);
}
/**
* Loads configuration settings into the object and (re)calculates pagination if needed.
* Allows you to update config settings after a Pagination object has been constructed.
*
* @param array configuration
* @return object Pagination
*/
public function setup(array $config = array())
{
// Only (re)calculate pagination when needed
if ($this->current_page === NULL
OR isset($config['current_page'])
OR isset($config['total_items'])
OR isset($config['items_per_page']))
{
// Calculate and clean all pagination variables
$this->current_page = (int) $this->config['current_page'];
$this->total_items = (int) max(0, $this->config['total_items']);
$this->items_per_page = (int) max(1, $this->config['items_per_page']);
$this->total_pages = (int) ceil($this->total_items/$this->items_per_page);
$this->current_page = (int) min(max(1, $this->current_page), max(1, $this->total_pages));
$this->current_first_item = (int) min((($this->current_page - 1) * $this->items_per_page) + 1, $this->total_items);
$this->current_last_item = (int) min($this->current_first_item + $this->items_per_page - 1, $this->total_items);
$this->previous_page = ($this->current_page > 1) ? $this->current_page - 1 : FALSE;
$this->next_page = ($this->current_page < $this->total_pages) ? $this->current_page + 1 : FALSE;
$this->first_page = ($this->current_page === 1) ? FALSE : 1;
$this->last_page = ($this->current_page >= $this->total_pages) ? FALSE : $this->total_pages;
$this->offset = (int) (($this->current_page - 1) * $this->items_per_page);
}
// Chainable method
return $this;
}
/**
* Returns a Pagination property.
*
* @param string property name
* @return mixed Pagination property; NULL if not found
*/
public function __get($key)
{
return isset($this->$key) ? $this->$key : NULL;
}
/**
* Updates a single config setting, and recalculates pagination if needed.
*
* @param string config key
* @param mixed config value
* @return void
*/
public function __set($key, $value)
{
$this->setup(array($key => $value));
}
} // End Pagination
?>
「工作不正常」 是不是一個好的錯誤描述。發生什麼或沒有發生? – 2011-05-24 17:45:33
我得到它導航到顯示4篇文章的第二頁,然後當我嘗試去第3頁,這是9-12>只是沒有移動到下一頁就什麼都不做。 – 2011-05-24 17:53:05
什麼不移到下一頁?我看到的只是一個>符號。 – Dave 2011-05-24 17:54:31