Examples of using PHP paging code with smarty-PHP Tutorial-php.cn

Examples of using PHP paging code with smarty

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Release： 2016-07-25 08:52:38

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/**
* Pagination class
*/
class Pager {
var $total; // Total number of records
var $pageSize; // Number of records displayed on each page
var $currentPage; // Current page number
var $offset; // Record offset
var $pageTotal; // Total number of pages
var $numberOffset = 5; // Page number offset
var $request = ""; // Page request Parameters
//=================
//Fn: Pager
//Function: Constructor
//============== ====
public function __construct ($total, $pageSize, $currentPage, $request = "") {
$this->total = $total;
$this->pageSize = $pageSize;
$this ->pageOffset();
$this->pageTotal();
$this->currentPage($currentPage);
$this->request = $request;
}
//===== ============
//Fn: pageOffset
//Function: Database record offset
//=================
public function pageOffset() {
return $this->offset = $this->pageSize * ($this->currentPage - 1);
}
//============ =====
//Fn: pageTotal
//Function: Calculate the total number of pages
//==================
public function pageTotal() {
return $ this->pageTotal = ceil($this->total / $this->pageSize);
}
//=================
//Fn : currentPage
//Function: Set the number of pages
//=================
public function currentPage($currentPage) {
if (isset($currentPage)) {
$this->currentPage = intval($currentPage);
} else {
$this->currentPage = 1;
}
return $this->currentPage;
}
//======= ==========
//Fn: nextPage
//Function: Jump to the next page
//=================
public function nextPage() {
// Display the number of records
$link = "Total {$this->total} records ";
// Page step size
$stepPage = $this->currentPage ? ceil($ this->currentPage / $this->numberOffset) : 1;
// Number page setting
$numberPage = ($this->pageTotal > $this->numberOffset) ? $this-> numberOffset : $this->pageTotal;
// Only one page
if ($this->total pageSize) {
$link .= "[Home]|[Last Page] ";
} else {
// Set the total number of pages and the current page
$link .= "Page {$this->currentPage}/{$this->pageTotal} ";
// Home page
$link .= "request}>[Home] ";
// Next column
if ($stepPage > 1) {
$lastIndex = ($stepPage - 1) * $this->numberOffset;
$link .= "request}>[";
}