PHP paging class code and paging call screenshots-PHP Tutorial-php.cn

PHP paging class code and paging call screenshots

WBOY

Release： 2016-07-25 08:52:36

Original

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class Page {
private $total; //Total records
private $pagesize;//How many records to display per page
private $limit; //limit
private $ page; //Current page number
private $pagenum; //Total page number
private $url; //Address
private $bothnum; //The amount of digital paging kept on both sides
//Construction method Initialization
public function __construct($_total, $_pagesize) {
$this->total = $_total ? $_total : 1;
$this->pagesize = $_pagesize;
$this->pagenum = ceil( $this->total / $this->pagesize);
$this->page = $this->setPage();
$this->limit = "LIMIT ".($this-> page-1)*$this->pagesize.",$this->pagesize";
$this->url = $this->setUrl();
$this->bothnum = 2;
}
//Interceptor
private function __get($_key) {
return $this->$_key;
}
//Get the current Page number
private function setPage() {
if (!empty($_GET['page'])) {
if ($_GET['page'] > 0) {
if ($_GET['page'] > ; $this->pagenum) {
return $this->pagenum;
} else {
return $_GET['page'];
}
} else {
return 1;
}
} else {
return 1;
}
}
//Get address
private function setUrl() {
$_url = $_SERVER["REQUEST_URI"];
$_par = parse_url($_url);
if (isset($_par['query'])) {
parse_str($_par['query'],$_query);
unset($_query['page']);
$_url = $_par['path '].'?'.http_build_query($_query);
}
return $_url;
}
//Digital directory
private function pageList() {
for ($i=$ this->bothnum;$i>=1;$i--) {
$_page = $this->page-$i;
if ($_page $_pagelist .= ' < ;a href="'.$this->url.'&page='.$_page.'">'.$_page.' ';
}
$_pagelist .= ' '.$this->page.' ';
for ($i=1;$ibothnum;$i++) {
$_page = $this->page+$i;
if ($_page > $this->pagenum) break;
$_pagelist .= ' '.$_page.' ';
}
return $_pagelist;
}
//Homepage
private function first() {
if ($this->page > $this->bothnum+1) {
return ' 1 . ..';
}
}
//Previous page
private function prev() {
if ($this->page == 1) {
return 'Previous page';
}
return ' Previous page ';
}
//Next page
private function next() {
if ($this->page == $this->pagenum) {
return 'next page';
}
return ' Next page ';
}
//Last page
private function last() {
if ($this->pagenum - $this->page > $this->bothnum) {
return ' ...'.$this->pagenum.' ';
}
}
//Paging information
public function showpage() {
$_page .= $this->first();
$_page .= $this->pageList();
$_page .= $this->last ();
$_page .= $this->prev();
$_page .= $this->next();
return $_page;
}
}
?>