?php
namespace org;//命名规范
class Page{
public $firstRow; // 起始行数
public $listRows; // 列表每页显示行数
public $parameter; // 分页跳转时要带的参数
public $totalRows; // 总行数
public $totalPages; // 分页总页面数
public $rollPage = 7;// 分页栏每页显示的页数
public $lastSuffix = false; // 最后一页是否显示总页数
private $p = 'p'; //分页参数名
private $url = ''; //当前链接URL
private $nowPage = 1;
// 分页显示定制
private $config = array(
'header' => 'span class="rows">共 %TOTAL_ROW% 条记录/span>',
'prev' => '',
'next' => '>>',
'first' => '1...',
'last' => '...%TOTAL_PAGE%',
'theme' => '%FIRST% %UP_PAGE% %LINK_PAGE% %DOWN_PAGE% %END%',
);
/**
* 架构函数
* @param array $totalRows 总的记录数
* @param array $listRows 每页显示记录数
* @param array $parameter 分页跳转的参数
*/
public function __construct($totalRows, $listRows=20, $parameter = array()) {
config('var_page') $this->p = config('var_page'); //设置分页参数名称
/* 基础设置 */
$this->totalRows = $totalRows; //设置总记录数
$this->listRows = $listRows; //设置每页显示行数
$this->parameter = empty($parameter) ? input('param.'):$parameter;//因为tp5无法直接获取到$_GET,所以这里直接拿tp5的函数input('param.'),下面的一样
$this->nowPage = empty(input('param.p')) ? 1 : intval(input('param.p'));
$this->nowPage = $this->nowPage>0 ? $this->nowPage : 1;
$this->firstRow = $this->listRows * ($this->nowPage - 1);
}
/**
* 定制分页链接设置
* @param string $name 设置名称
* @param string $value 设置值
*/
public function setConfig($name,$value) {
if(isset($this->config[$name])) {
$this->config[$name] = $value;
}
}
/**
* 生成链接URL
* @param integer $page 页码
* @return string
*/
private function url($page){
$ispage = str_replace(urlencode('[PAGE]'), $page, $this->url);
return $ispage;
}
/**
* 组装分页链接
* @return string
*/
public function show() {
if(0 == $this->totalRows) return '';
/* 生成URL */
$this->parameter[$this->p] = '[PAGE]';
$this->url = url(request()->action(), $this->parameter);//生成url改成tp5获取当前action的
/* 计算分页信息 */
$this->totalPages = ceil($this->totalRows / $this->listRows); //总页数
if(!empty($this->totalPages) $this->nowPage > $this->totalPages) {
$this->nowPage = $this->totalPages;
}
/* 计算分页临时变量 */
$now_cool_page = $this->rollPage/2;
$now_cool_page_ceil = ceil($now_cool_page);
$this->lastSuffix $this->config['last'] = $this->totalPages;
//上一页
$up_row = $this->nowPage - 1;
$up_page = $up_row > 0 ? 'a class="prev" href="' . $this->url($up_row) . '" rel="external nofollow" >' . $this->config['prev'] . '/a>' : '';
//下一页
$down_row = $this->nowPage + 1;
$down_page = ($down_row = $this->totalPages) ? 'a class="next" href="' . $this->url($down_row) . '" rel="external nofollow" >' . $this->config['next'] . '/a>' : '';
//第一页
$the_first = '';
if($this->totalPages > $this->rollPage ($this->nowPage - $now_cool_page) >= 1){
$the_first = 'a class="first" href="' . $this->url(1) . '" rel="external nofollow" >' . $this->config['first'] . '/a>';
}
//最后一页
$the_end = '';
if($this->totalPages > $this->rollPage ($this->nowPage + $now_cool_page) $this->totalPages){
$the_end = 'a class="end" href="' . $this->url($this->totalPages) . '" rel="external nofollow" >' . $this->config['last'] . '/a>';
}
//数字连接
$link_page = "";
for($i = 1; $i = $this->rollPage; $i++){
if(($this->nowPage - $now_cool_page) = 0 ){
$page = $i;
}elseif(($this->nowPage + $now_cool_page - 1) >= $this->totalPages){
$page = $this->totalPages - $this->rollPage + $i;
}else{
$page = $this->nowPage - $now_cool_page_ceil + $i;
}
if($page > 0 $page != $this->nowPage){
if($page = $this->totalPages){
$link_page .= 'a class="num" href="' . $this->url($page) . '" rel="external nofollow" >' . $page . '/a>';
}else{
break;
}
}else{
if($page > 0 $this->totalPages != 1){
$link_page .= 'span class="current">' . $page . '/span>';
}
}
}
//替换分页内容
$page_str = str_replace(
array('%HEADER%', '%NOW_PAGE%', '%UP_PAGE%', '%DOWN_PAGE%', '%FIRST%', '%LINK_PAGE%', '%END%', '%TOTAL_ROW%', '%TOTAL_PAGE%'),
array($this->config['header'], $this->nowPage, $up_page, $down_page, $the_first, $link_page, $the_end, $this->totalRows, $this->totalPages),
$this->config['theme']);
return "div>{$page_str}/div>";
}
}
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