php 数据分页类，可自定义多个分页样式

 // 测试分页 ???public function pageTestAction() ???{ ???????Load::load_class(‘getPage‘,DIR_BF_ROOT.‘classes‘,0); ???????$list = M(‘category‘)->field(array(‘id‘,‘catname‘,‘model‘))->select(); ???????$total = ?M(‘category‘)->findCount(); //总条数 ???????$biao = isset($_GET[‘page‘]) ? $_GET[‘page‘] : 1; ???????$pagesize = 10; ???????$page = ($biao -1)* $pagesize; ???????$href = "http://ceea.com/user/User/pageTest/?page="; ???????$p = new Page($total, $pagesize, $biao, $pagesize, $href); ???????echo $p->showPages(3); ???}

<?php/** * 分页类 * * 调用方式： * $p=new Page(总页数,显示页数,当前页码,每页显示条数,[链接]); * print_r($p->getPages()); //生成一个页码数组（键为页码，值为链接） * echo $p->showPages(1); ???//生成一个页码样式（可添加自定义样式） * * @author: 草根级 * @Last Modified time: 2017-01-09 13:31 *//*思路：给我一个 总页数，需要显示的页数，当前页，每页显示的条数，连接写一个方法 生成一个一维数组，键为页码 值为连接写一个方法 返回一个生成好样式的页码（并且可以根据自己需要添加样式）默认样式 共45条记录,每页显示10条,当前第1/4页 [首页] [上页] [1] [2] [3] .. [下页] [尾页]*/class Page{ ???protected $count; ??????//总条数 ???protected $showPages; ??//需要显示的页数 ???protected $countPages; ?//总页数 ???protected $currPage; ???//当前页 ???protected $subPages; ???//每页显示条数 ???protected $href; ???????//连接 ???protected $page_arr=array(); ???//保存生成的页码 键页码 值为连接 ???/** ????* __construct ?构造函数（获取分页所需参数） ????* @param int $count ????总条数 ????* @param int $showPages 显示页数 ????* @param int $currPage ?当前页数 ????* @param int $subPages ?每页显示数量 ????* @param string $href ??连接（不设置则获取当前URL） ????*/ ???public function __construct($count,$showPages,$currPage,$subPages,$href=‘‘){ ???????$this->count=$count; ???????$this->showPages=$showPages; ???????$this->currPage=$currPage; ???????$this->subPages=$subPages; ???????//如果链接没有设置则获取当前连接 ???????$this->href=$href; ???????$this->construct_Pages(); ???} ???/** ????* getPages 返回页码数组 ????* @return array 一维数组 键为页码 值为链接 ????*/ ???public function getPages(){ ???????return $this->page_arr; ???} ???/** ????* showPages 返回生成好的页码 ????* @param ?int $style 样式 ????* @return string ????生成好的页码 ????*/ ???public function showPages($style=1){ ???????$func=‘pageStyle‘.$style; ???????return $this->$func(); ???} ???/** ????* pageStyle1 分页样式（可参照这个添加自定义样式 例如pageStyle2（）） ????* 样式 共45条记录,每页显示10条,当前第1/4页 [首页] [上页] [1] [2] [3] .. [下页] [尾页] ????* @return string ????*/ ???protected function pageStyle1(){ ???????/* 构造普通模式的分页 ???????共4523条记录,每页显示10条,当前第1/453页 [首页] [上页] [1] [2] [3] .. [下页] [尾页] ???????*/ ???????$pageStr=‘共‘.$this->count.‘条记录，每页显示‘.$this->subPages.‘条‘; ???????$pageStr.=‘当前第‘.$this->currPage.‘/‘.$this->countPages.‘页 ‘; ???????$_GET[‘page‘] = 1; ???????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">首页</a>] </span>‘; ???????//如果当前页不是第一页就显示上页 ???????if($this->currPage>1){ ???????????$_GET[‘page‘] = $this->currPage-1; ???????????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">上页</a>] </span>‘; ???????} ???????foreach ($this->page_arr as $k => $v) { ???????????$_GET[‘page‘] = $k; ???????????$pageStr.=‘<span>[<a href="‘.$v.‘">‘.$k.‘</a>] </span>‘; ???????} ???????//如果当前页小于总页数就显示下一页 ???????if($this->currPage<$this->countPages){ ???????????$_GET[‘page‘] = $this->currPage+1; ???????????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">下页</a>] </span>‘; ???????} ???????$_GET[‘page‘] = $this->countPages; ???????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">尾页</a>] </span>‘; ???????return $pageStr; ???} ???protected function pageStyle2(){ ???????/* 构造普通模式的分页 ????????[首页] [上页] [1] [2] [3] [下页] [尾页] ???????*/ ???????$pageStr = ""; ???????$_GET[‘page‘] = 1; ???????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">首页</a>] </span>‘; ???????//如果当前页不是第一页就显示上页 ???????if($this->currPage>1){ ???????????$_GET[‘page‘] = $this->currPage-1; ???????????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">上页</a>] </span>‘; ???????} ???????foreach ($this->page_arr as $k => $v) { ???????????$_GET[‘page‘] = $k; ???????????$pageStr.=‘<span>[<a href="‘.$v.‘">‘.$k.‘</a>] </span>‘; ???????} ???????//如果当前页小于总页数就显示下一页 ???????if($this->currPage<$this->countPages){ ???????????$_GET[‘page‘] = $this->currPage+1; ???????????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">下页</a>] </span>‘; ???????} ???????$_GET[‘page‘] = $this->countPages; ???????$pageStr.=‘<span>[<a href="‘.$this->href.‘‘.$_GET[‘page‘].‘">尾页</a>] </span>‘; ???????return $pageStr; ???} ???protected function pageStyle3(){ ???????/* 构造普通模式的分页 ????????[1] [2] [3] ???????*/ ???????$pageStr = ""; ???????$_GET[‘page‘] = 1; ???????//如果当前页不是第一页就显示上页 ???????foreach ($this->page_arr as $k => $v) { ???????????$_GET[‘page‘] = $k; ???????????$pageStr.=‘<span>[<a href="‘.$v.‘">‘.$k.‘</a>] </span>‘; ???????} ???????//如果当前页小于总页数就显示下一页 ???????return $pageStr; ???} ???/** ????* construct_Pages 生成页码数组 ????* 键为页码，值为链接 ????* $this->page_arr=Array( ????* ?????????????????[1] => index.php?page=1 ????* ?????????????????[2] => index.php?page=2 ????* ?????????????????[3] => index.php?page=3 ????* ?????????????????......) ????*/ ???protected function construct_Pages(){ ???????//计算总页数 ???????$this->countPages=ceil($this->count/$this->subPages); ???????//根据当前页计算前后页数 ???????$leftPage_num=floor($this->showPages/2); ???????$rightPage_num=$this->showPages-$leftPage_num; ???????//左边显示数为当前页减左边该显示的数 例如总显示7页 当前页是5 ?左边最小为5-3 ?右边为5+3 ???????$left=$this->currPage-$leftPage_num; ???????$left=max($left,1); //左边最小不能小于1 ???????$right=$left+$this->showPages-1; //左边加显示页数减1就是右边显示数 ???????$right=min($right,$this->countPages); ?//右边最大不能大于总页数 ???????$left=max($right-$this->showPages+1,1); //确定右边再计算左边，必须二次计算 ???????for ($i=$left; $i <= $right; $i++) { ???????????$_GET[‘page‘] = $i; ???????????$this->page_arr[$i]=$this->href.‘‘.$_GET[‘page‘]; ???????} ???}}