PHP implements simple and practical paging code, simple and practical paging

PHP implements simple and practical paging code, simple and practical paging_PHP tutorial

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Release： 2016-07-12 08:54:28

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PHP implements simple and practical paging class code, simple and practical paging

The example in this article describes the implementation of simple and practical paging class in PHP. Share it with everyone for your reference, the details are as follows:

<&#63;php
  class Page {
     private $total;   //总记录
     private $pagesize;  //每页显示多少条
     private $limit;     //limit
     private $page;      //当前页码
     private $pagenum;   //总页码
     private $url;      //地址
     private $bothnum;   //两边保持数字分页的量
   //构造方法初始化
   public function __construct($_total, $_pagesize) {
     $this->total = $_total &#63; $_total : 1;
     $this->pagesize = $_pagesize;
     $this->pagenum = ceil($this->total / $this->pagesize);
     $this->page = $this->setPage();
     $this->limit = "LIMIT ".($this->page-1)*$this->pagesize.",$this->pagesize";
     $this->url = $this->setUrl();
     $this->bothnum = 2;
   }
   //拦截器
   private function __get($_key) {
     return $this->$_key;
   }
   //获取当前页码
   private function setPage() {
     if (!empty($_GET['page'])) {
        if ($_GET['page'] > 0) {
          if ($_GET['page'] > $this->pagenum) {
             return $this->pagenum;
          } else {
             return $_GET['page'];
          }
        } else {
          return 1;
        }
     } else {
        return 1;
     }
   }
   //获取地址
   private function setUrl() {
     $_url = $_SERVER["REQUEST_URI"];
     $_par = parse_url($_url);
     if (isset($_par['query'])) {
        parse_str($_par['query'],$_query);
        unset($_query['page']);
        $_url = $_par['path'].'&#63;'.http_build_query($_query);
     }
     return $_url;
   }   //数字目录
   private function pageList() {
     for ($i=$this->bothnum;$i>=1;$i--) {
      $_page = $this->page-$i;
      if ($_page < 1) continue;
        $_pagelist .= ' <a href="'.$this->url.'&page='.$_page.'">'.$_page.'</a> ';
     }
     $_pagelist .= ' <span class="me">'.$this->page.'</span> ';
     for ($i=1;$i<=$this->bothnum;$i++) {
      $_page = $this->page+$i;
        if ($_page > $this->pagenum) break;
        $_pagelist .= ' <a href="'.$this->url.'&page='.$_page.'">'.$_page.'</a> ';
     }
     return $_pagelist;
   }
   //首页
   private function first() {
     if ($this->page > $this->bothnum+1) {
        return ' <a href="'.$this->url.'">1</a> ...';
     }
   }
   //上一页
   private function prev() {
     if ($this->page == 1) {
        return '<span class="disabled">上一页</span>';
     }
     return ' <a href="'.$this->url.'&page='.($this->page-1).'">上一页</a> ';
   }
   //下一页
   private function next() {
     if ($this->page == $this->pagenum) {
        return '<span class="disabled">下一页</span>';
     }
     return ' <a href="'.$this->url.'&page='.($this->page+1).'">下一页</a> ';
   }
   //尾页
   private function last() {
     if ($this->pagenum - $this->page > $this->bothnum) {
        return ' ...<a href="'.$this->url.'&page='.$this->pagenum.'">'.$this->pagenum.'</a> ';
     }
   }
   //分页信息
   public function showpage() {
     $_page .= $this->first();
     $_page .= $this->pageList();
     $_page .= $this->last();
     $_page .= $this->prev();
     $_page .= $this->next();
     return $_page;
   }
 }
&#63;>

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The pagination style is as shown below:

Instructions for use:

<&#63;php
  $_page = new Page($_total,$_pagesize);
  //其中 $_total 是数据集的总条数,$_pagesize 是每页显示的数量.
&#63;>

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Readers who are interested in more PHP related content can check out the special topics of this site: "Summary of PHP File Operations", "Summary of PHP Operations and Operator Usage", "Summary of PHP Network Programming Skills", "Introduction Tutorial on PHP Basic Grammar" ", "Summary of PHP office document operation skills (including word, excel, access, ppt)", "Summary of PHP date and time usage", "Introduction to PHP object-oriented programming tutorial", "Summary of PHP string (string) usage" , "Introduction Tutorial on PHP MySQL Database Operation" and "Summary of Common PHP Database Operation Skills"

I hope this article will be helpful to everyone in PHP programming.

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