<?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 ? $_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 = $_par['path'].'?'.http_build_query($_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; $_pagelist .= ' <a href="'https://www.jb51.net/article/.$this->url.'&page='.$_page.'">'.$_page.'</a> '; } $_pagelist .= ' <span>'.$this->page.'</span> '; for ($i=1;$i<=$this->bothnum;$i++) { $_page = $this->page+$i; if ($_page > $this->pagenum) break; $_pagelist .= ' <a href="'https://www.jb51.net/article/.$this->url.'&page='.$_page.'">'.$_page.'</a> '; } return $_pagelist; } //首页 private function first() { if ($this->page > $this->bothnum+1) { return ' <a href="'https://www.jb51.net/article/.$this->url.'">1</a> ...'; } } //上一页 private function prev() { if ($this->page == 1) { return '<span>上一页</span>'; } return ' <a href="'https://www.jb51.net/article/.$this->url.'&page='.($this->page-1).'">上一页</a> '; } //下一页 private function next() { if ($this->page == $this->pagenum) { return '<span>下一页</span>'; } return ' <a href="'https://www.jb51.net/article/.$this->url.'&page='.($this->page+1).'">下一页</a> '; } //尾页 private function last() { if ($this->pagenum - $this->page > $this->bothnum) { return ' ...<a href="'https://www.jb51.net/article/.$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; } } ?>
分页样式如下图所示：
使用说明：
<?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. ?>
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