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: Dzer* @version: 2014-12-25 09:09:42 * @Last Modified time: 2014-12-28 17:37:13 */ /* 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 if(empty($href)){ $this->href=htmlentities($_SERVER['PHP_SELF']); }else{ $this->href=$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; $pageStr.='[href.'?'.http_build_query($_GET).'" _href="'.$this->href.'?'.http_build_query($_GET).'">首页] '; //如果当前页不是第一页就显示上页 if($this->currPage>1){ $_GET['page'] = $this->currPage-1; $pageStr.='[href.'?'.http_build_query($_GET).'" _href="'.$this->href.'?'.http_build_query($_GET).'">上页] '; } foreach ($this->page_arr as $k => $v) { $_GET['page'] = $k; $pageStr.='['.$k.'] '; } //如果当前页小于总页数就显示下一页 if($this->currPagecountPages){ $_GET['page'] = $this->currPage+1; $pageStr.='[href.'?'.http_build_query($_GET).'" _href="'.$this->href.'?'.http_build_query($_GET).'">下页] '; } $_GET['page'] = $this->countPages; $pageStr.='[href.'?'.http_build_query($_GET).'" _href="'.$this->href.'?'.http_build_query($_GET).'">尾页] '; 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; $i page_arr[$i]=$this->href.'?'.http_build_query($_GET); } } }
<?php /** * 分页类demo * Be the best of whatever you are! * * @author: Dzer* @version: 2014-12-28 17:38:23 * @Last Modified time: 2014-12-28 18:08:28 */ header("content-type:text/html;charset=utf8"); include('./Page.class.php'); //引入类 //$p=new Page(总页数,显示页数,当前页码,每页显示条数,[链接]); //连接不设置则为当前链接 $page=isset($_GET['page']) ? $_GET['page'] : 1; $p=new Page(100,7,$page,8); //生成一个页码数组(键为页码,值为链接) echo ""; print_r($p->getPages()); //生成一个页码样式(可添加自定义样式) //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] echo $p->showPages(1);

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