PHP implements customizable style paging class, php custom style paging_PHP tutorial

PHP implements customizable style paging class, php custom style paging

The example in this article shares with you PHP implements customizable style paging class for your reference. The specific content is as follows

<&#63;php
 
//namespace Component;
/**
 * 2016-3-27
 * @author ankang
 */
class Page {
 private $ShowPage;
 private $CountPage;
 private $Floorp;
 private $PageUrl;
 private $PageClass;
 private $CurClass;
 
 /**
 * @author ankang
 * @param number $CountNum  数据总数
 * @param string $PageUrl  跳转链接
 * @param string $PageClass  <a>标签 总体样式 
 * @param string $PageUrl  当前页样式
 * @param number $PageSize  每页显示的数据条数
 * @param number $ShowPage  每次显示的页数 
 */
 public function __construct($CountNum, $PageUrl = NULL, $PageClass = NULL,$CurClass = NULL, $PageSize = 20, $ShowPage = 5) {
 $this->ShowPage = $ShowPage;
 $this->CountPage  = ceil ( $CountNum / $PageSize );
 $this->Floorp  = floor ( $ShowPage / 2 ); // 偏移量 
 $this->PageClass  = is_null ( $PageClass ) &#63; '' : $PageClass;
 $this->CurClass = is_null ( $CurClass ) &#63; '' : $CurClass;
  
 // $ServerURL  = ( preg_match('/\&#63;/i', $_SERVER['REQUEST_URI']))&#63;preg_replace('/\&p\=[0-9]+/i', "", $_SERVER['REQUEST_URI']) : $_SERVER['REQUEST_URI']."&#63;";
 // if( substr($ButURL,0,2)=='//' ){
  // $ServerURL  = substr($ServerURL,1);
 // }
 // $url   = preg_replace('/p=[\d]*/i', '', $ServerURL);
  $url   = '';
 //推荐自己传url,不传也可以打开上面的代码自动获取
 $this->PageUrl  = is_null ( $PageUrl ) &#63; $url : $PageUrl;
 }
 
 /**
 *
 * @param number $Page  
 * @param string $ShowToPage
 *  首页，上下页，尾页
 * @param string $Html 标签元素,li,p 
 * @return string
 */
 public function getPage($Page = 1, $ShowToPage = true, $Html = null) {
 $StartPage  = ($Page - $this->Floorp); // 开始页码
 $EndPage  = ($Page + $this->Floorp); // 结束页码
  
 if ($this->CountPage < $this->ShowPage) {
  $StartPage = 1;
  $EndPage = $this->CountPage;
 }
  
 if ($StartPage < 1) {
  $StartPage = 1;
  $EndPage = $this->ShowPage;
 }
  
 if ($EndPage > $this->CountPage) {
  $StartPage = $this->CountPage - $this->ShowPage + 1;
  $EndPage = $this->CountPage;
 }
  
 $PageHtml = '';
  
 if (! is_null ( $Html )) {
  if ($Html == 'li') {
  $Shtml = '<li>';
  $Ehtml = '</li>';
  } else {
  $Shtml = '<p>';
  $Ehtml = '</p>';
  }
 }
  
 if (true == $ShowToPage) {
  $PageHtml  .= "$Shtml<a href='{$this->PageUrl}p=1'>&laquo; 首页</a>$Ehtml";
  $PrveUrl   = $this->getPrve($Page);
  $PageHtml  .= "$Shtml<a href='{$PrveUrl}'>&laquo; 上一页</a>$Ehtml";
 }
  
 for($i = $StartPage; $i <= $EndPage; $i ++) {
  if ($Page == $i) {
  $PageHtml  .= "$Shtml<a href='{$this->PageUrl}p={$i}' class='{$this->CurClass}'>{$i}</a>$Ehtml";
  } else {
  $PageHtml  .= "$Shtml<a href='{$this->PageUrl}p={$i}' class='{$this->PageClass}'>{$i}</a>$Ehtml";
  }
 }
  
 if (true == $ShowToPage) {
  $NextUrl   = $this->getNext($Page);
  $PageHtml  .= "$Shtml<a href='{$NextUrl}'>下一页 &raquo;</a>$Ehtml";
  $PageHtml  .= "$Shtml<a href='{$this->PageUrl}p={$this->CountPage}' >尾页 &raquo;</a>$Ehtml";
 }
  
 return $PageHtml;
 }
 
 public function getPrve($Page){
 if ($Page != 1) {
  $Prve  = $Page - 1;
  $PrveUrl  = "{$this->PageUrl}p={$Prve}";
 } else {
  $PrveUrl  = "{$this->PageUrl}p=1";
 }
  
 return $PrveUrl;
 }
 
 public function getNext($Page){
 if ($Page != $this->CountPage) {
  $Next  = $Page + 1;
  $NextUrl  = "{$this->PageUrl}p={$Next}";
 } else {
  $NextUrl  = "{$this->PageUrl}p={$this->CountPage}";
 }
  
 return $NextUrl;
 }
 
 
 
}

Let me share with you another one that is mainly used for novices to learn PHP paging. The code is simple and practical, and the comments are complete.

1. Page.class.php

<&#63;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: Dzer <Email:358654744@qq.com Blog:Dzer.me>
 * @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;
  $pageStr.='<span>[<a href="'.$this->href.'&#63;'.http_build_query($_GET).'">首页</a>] </span>';
  //如果当前页不是第一页就显示上页
  if($this->currPage>1){
   $_GET['page'] = $this->currPage-1;
   $pageStr.='<span>[<a href="'.$this->href.'&#63;'.http_build_query($_GET).'">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.'&#63;'.http_build_query($_GET).'">下页</a>] </span>';
  }
 
  $_GET['page'] = $this->countPages;
  $pageStr.='<span>[<a href="'.$this->href.'&#63;'.http_build_query($_GET).'">尾页</a>] </span>';
 
  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&#63;page=1
  *     [2] => index.php&#63;page=2
  *     [3] => index.php&#63;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]=$this->href.'&#63;'.http_build_query($_GET);
  }
 }
}

2. demo.php

<&#63;php
/**
 * 分页类demo
 * Be the best of whatever you are!
 * 
 * @author: Dzer<358654744@qq.com>
 * @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']) &#63; $_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 "<pre class="brush:php;toolbar:false">";
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); 

The above is the entire content of this article. I hope it will be helpful to everyone in learning PHP programming.

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