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漂亮的 PHP 驗證碼類

WBOY

發布： 2016-07-25 08:46:07

原創

1288 人瀏覽過

class Page {
private $total; //總記錄
private $pagesize; //每頁顯示多少條
private $limit; //limit
private $page; //目前頁碼
private $pagenum; //總頁碼
private $url; //位址
private $bothnum; //兩邊保持數字分頁的量
//建構方法初始化
public function __construct($_total, $_pagesize) {
$this->total = $_total ? $_total : 1;
$this->total = $_total ? $_total : 1; 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 ();
$this->bothnum = 2;
}
//攔截器
private function __get($_key) {
return $this->$_key;
}
//取得目前頁碼
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;
}
}
//取得位址
private function setUrl() {
$_url = $_SERVER["REQUEST_URI"];
$_par = parse_url($_url);
if (Yisset($par_url); ['query'])) {
parse_str($_par['query'],$_query);
unset($_query['page']);
$_url = $_par['path '].'?'.http_build_query($_query);
}
return $_url;
} //數字目錄
private function pageList() {
for ($i=$ this->bothnum;$i>=1;$i--) {
$_page = $this->page-$i;
if ($_page $_pagelist . = ' '.$_page.' ';
}
$_pagelist .= ' '.$this->page.' ';
for ($i=1;$ibothnum;$i ) {
$_page = $this->page $i;
if ($_page > $this->pagenum) break;
$_pagelist .= ' '.$_page.' ';
}
return $_pagelist;
}
//首頁
private function first() {
if ($this->page > $this->bothnum 1) {
return ' 1 . ..';
}
}
//上一頁
private function prev() {
if ($this->page == 1) {
return '上一頁';
}
return ' 上一頁 ';
}
//下一頁
private function next() {
if ($this- >page == $this->pagenum) {
return '下一頁';
}
return ' 下一頁 ';
}
//尾頁
private function last() {
if ($this->pagenum - $this->page > $this->bothnum) {
return ' .. .'.$this->pagenum.' ';
}
}
//分頁資訊
public function showpage() {
$_page .= $this->first();
$_page .= $this->pageList();
$_page .= $this->last();
$_page .= $this->prev();
$_page .= $this->next();
return $ _page;
}
}
?>

複製程式碼

分頁樣式如下圖：

使用說明：

$_page = new Page($_total,$_pagesize); //其中$_total 是資料集的總條數,$_pagesize 是每頁顯示的數量.
?>

複製代碼

驗證碼, PHP