【推荐】一个解决自定义路由的分页类

【推荐】一个解决自定义路由的分页类
//----------------------------------------------------------
//声明: 本代码并非完美,也许存在不佳之处,请放肆吐槽!
//作者: 小曾
//扣扣: 839024615
//网址: www.yun8888.net
//关于我的ThinkPHP http://www.thinkphp.cn/u/87696.html
//----------------------------------------------------------





//好多人在问,假如我们给列表重新定义的路由
//那么原本地址是 list/index/id/1.html
//定义后 list/1.html
//当你在系统分页类时,他又会跳到 list/index/id/1/p/2.html
//我们重新弄个类就ok了


//用法

vendor('Page.Page#class');
$params = array(
'total_rows'=>$count, #(必须)
'method' =>'html', #(必须)
'parameter' =>'/list/'.$id.'/p/?.html', #(必须)
'now_page' =>$p, #(必须)
'list_rows' =>30, #(可选) 默认为15
);

$page = new Core_Lib_Page($params);

$this->assign("page",$page->show(1));








/**
* 分页类
* @author xiaojiong & [e-mail]
* @date 2011-08-17
*
* show(2) 1 ... 62 63 64 65 66 67 68 ... 150
* 分页样式
* #page{font:12px/16px arial}
* #page span{float:left;margin:0px 3px;}
* #page a{float:left;margin:0 3px;border:1px solid #ddd;padding:3px 7px; text-decoration:none;color:#666}
* #page a.now_page,#page a:hover{color:#fff;background:#05c}
*/

class Core_Lib_Page
{
public $first_row; //起始行数

public $list_rows; //列表每页显示行数

protected $total_pages; //总页数

protected $total_rows; //总行数

protected $now_page; //当前页数

protected $method = 'defalut'; //处理情况 Ajax分页 Html分页(静态化时) 普通get方式

protected $parameter = '';

protected $page_name; //分页参数的名称

protected $ajax_func_name;

public $plus = 3; //分页偏移量

protected $url;


/**
* 构造函数
* @param unknown_type $data
*/
public function __construct($data = array())
{
$this->total_rows = $data['total_rows'];

$this->parameter = !empty($data['parameter']) ? $data['parameter'] : '';
$this->list_rows = !empty($data['list_rows']) && $data['list_rows'] $this->total_pages = ceil($this->total_rows / $this->list_rows);
$this->page_name = !empty($data['page_name']) ? $data['page_name'] : 'p';
$this->ajax_func_name = !empty($data['ajax_func_name']) ? $data['ajax_func_name'] : '';

$this->method = !empty($data['method']) ? $data['method'] : '';


/* 当前页面 */
if(!empty($data['now_page']))
{
$this->now_page = intval($data['now_page']);
}else{
$this->now_page = !empty($_GET[$this->page_name]) ? intval($_GET[$this->page_name]):1;
}
$this->now_page = $this->now_page now_page;


if(!empty($this->total_pages) && $this->now_page > $this->total_pages)
{
$this->now_page = $this->total_pages;
}
$this->first_row = $this->list_rows * ($this->now_page - 1);
}

/**
* 得到当前连接
* @param $page
* @param $text
* @return string
*/
protected function _get_link($page,$text)
{
switch ($this->method) {
case 'ajax':
$parameter = '';
if($this->parameter)
{
$parameter = ','.$this->parameter;
}
return '' . $text . '' . "\n";
break;

case 'html':
$url = str_replace('?', $page,$this->parameter);
return '' . $text . '' . "\n";
break;

default:
return '' . $text . '' . "\n";
break;
}
}


/**
* 设置当前页面链接
*/
protected function _set_url()
{
$url = $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter;
$parse = parse_url($url);
if(isset($parse['query'])) {
parse_str($parse['query'],$params);
unset($params[$this->page_name]);
$url = $parse['path'].'?'.http_build_query($params);
}
if(!empty($params))
{
$url .= '&';
}
$this->url = $url;
}

/**
* 得到$page的url
* @param $page 页面
* @return string
*/
protected function _get_url($page)
{
if($this->url === NULL)
{
$this->_set_url();
}
// $lable = strpos('&', $this->url) === FALSE ? '' : '&';
return $this->url . $this->page_name . '=' . $page;
}


/**
* 得到第一页
* @return string
*/
public function first_page($name = '第一页')
{
if($this->now_page > 5)
{
return $this->_get_link('1', $name);
}
return '';
}

/**
* 最后一页
* @param $name
* @return string
*/
public function last_page($name = '最后一页')
{
if($this->now_page total_pages - 5)
{
return $this->_get_link($this->total_pages, $name);
}
return '';
}

/**
* 上一页
* @return string
*/
public function up_page($name = '上一页')
{
if($this->now_page != 1)
{
return $this->_get_link($this->now_page - 1, $name);
}
return '';
}

/**
* 下一页
* @return string
*/
public function down_page($name = '下一页')
{
if($this->now_page total_pages)
{
return $this->_get_link($this->now_page + 1, $name);
}
return '';
}

/**
* 分页样式输出
* @param $param
* @return string
*/
public function show($param = 1)
{
if($this->total_rows {
return '';
}

$className = 'show_' . $param;

$classNames = get_class_methods($this);

if(in_array($className, $classNames))
{
return $this->$className();
}
return '';
}

protected function show_2()
{
if($this->total_pages != 1)
{
$return = '';
$return .= $this->up_page(' for($i = 1;$itotal_pages;$i++)
{
if($i == $this->now_page)
{
$return .= "$i\n";
}
else
{
if($this->now_page-$i>=4 && $i != 1)
{
$return .="...\n";
$i = $this->now_page-3;
}
else
{
if($i >= $this->now_page+5 && $i != $this->total_pages)
{
$return .="...\n";
$i = $this->total_pages;
}
$return .= $this->_get_link($i, $i) . "\n";
}
}
}
$return .= $this->down_page('>');
return $return;
}
}

protected function show_1()
{
$plus = $this->plus;
if( $plus + $this->now_page > $this->total_pages)
{
$begin = $this->total_pages - $plus * 2;
}else{
$begin = $this->now_page - $plus;
}

$begin = ($begin >= 1) ? $begin : 1;
$return = '';
$return .= $this->first_page();
$return .= $this->up_page();
for ($i = $begin; $i {
if($i>$this->total_pages)
{
break;
}
if($i == $this->now_page)
{
$return .= "$i\n";
}
else
{
$return .= $this->_get_link($i, $i) . "\n";
}
}
$return .= $this->down_page();
$return .= $this->last_page();
return $return;
}

protected function show_3()
{
$plus = $this->plus;
if( $plus + $this->now_page > $this->total_pages)
{
$begin = $this->total_pages - $plus * 2;
}else{
$begin = $this->now_page - $plus;
}
$begin = ($begin >= 1) ? $begin : 1;
$return = '总计 ' .$this->total_rows. ' 个记录分为 ' .$this->total_pages. ' 页, 当前第 ' . $this->now_page . ' 页 ';
$return .= ',每页 ';
$return .= ' ';
$return .= $this->first_page()."\n";
$return .= $this->up_page()."\n";
$return .= $this->down_page()."\n";
$return .= $this->last_page()."\n";
$return .= '';

for ($i = $begin;$i {
if($i>$this->total_pages)
{
break;
}
if($i == $this->now_page)
{
$return .= ''.$i.'';
}
else
{
$return .= '' .$i. '';
}
}
$return .= '';
return $return;
}
}







//----------------------------------------------------------
//声明: 本代码并非完美,也许存在不佳之处,请放肆吐槽!
//作者: 小曾
//扣扣: 839024615
//网址: www.yun8888.net
//关于我的ThinkPHP http://www.thinkphp.cn/u/87696.html
//----------------------------------------------------------

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