第一款ml">php分页类
<?ml">php /* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * 分页类 * 使用方式: * $page = new Page(); * $page->init(1000, 20); * $page->setNotActiveTemplate('<span> {a} </span>'); * $page->setActiveTemplate('{a}'); * echo $page->show(); * * * @author 风居住的地方 */ class Page { /** * 总条数 */ private $total; /** * 每页大小 */ private $pageSize; /** * 总页数 */ private $pageNum; /** * 当前页 */ private $page; /** * 地址 */ private $uri; /** * 分页变量 */ private $pageParam; /** * LIMIT XX,XX */ private $limit; /** * 数字分页显示 */ private $listnum = 8; /** * 分页显示模板 * 可用变量参数 * {total} 总数据条数 * {pagesize} 每页显示条数 * {start} 本页开始条数 * {end} 本页结束条数 * {pagenum} 共有多少页 * {frist} 首页 * {pre} 上一页 * {next} 下一页 * {last} 尾页 * {list} 数字分页 * {goto} 跳转按钮 */ private $template = '<div><span>共有{total}条数据</span><span>每页显示{pagesize}条数据</span>,<span>本页{start}-{end}条数据</span><span>共有{pagenum}页</span><ul>{frist}{pre}{list}{next}{last}{goto}</ul></div>'; /** * 当前选中的分页链接模板 */ private $activeTemplate = '<li><a href="javascript:;">{text}</a></li>'; /** * 未选中的分页链接模板 */ private $notActiveTemplate = '<li><a href="https://www.jb51.net/article/{url}">{text}</a></li>'; /** * 显示文本设置 */ private $config = array('frist' => '首页', 'pre' => '上一页', 'next' => '下一页', 'last' => '尾页'); /** * 初始化 * @param type $total 总条数 * @param type $pageSize 每页大小 * @param type $param url附加参数 * @param type $pageParam 分页变量 */ public function init($total, $pageSize, $param = '', $pageParam = 'page') { $this->total = intval($total); $this->pageSize = intval($pageSize); $this->pageParam = $pageParam; $this->uri = $this->geturi($param); $this->pageNum = ceil($this->total / $this->pageSize); $this->page = $this->setPage(); $this->limit = $this->setlimit(); } /** * 设置分页模板 * @param type $template 模板配置 */ public function setTemplate($template) { $this->template = $template; } /** * 设置选中分页模板 * @param type $activeTemplate 模板配置 */ public function setActiveTemplate($activeTemplate) { $this->activeTemplate = $activeTemplate; } /** * 设置未选中分页模板 * @param type $notActiveTemplate 模板配置 */ public function setNotActiveTemplate($notActiveTemplate) { $this->notActiveTemplate = $notActiveTemplate; } /** * 返回分页 * @return type */ public function show() { return str_ireplace(array( '{total}', '{pagesize}', '{start}', '{end}', '{pagenum}', '{frist}', '{pre}', '{next}', '{last}', '{list}', '{goto}', ), array( $this->total, $this->setPageSize(), $this->star(), $this->end(), $this->pageNum, $this->frist(), $this->prev(), $this->next(), $this->last(), $this->pagelist(), $this->gopage(), ), $this->template); } /** * 获取limit起始数 * @return type */ public function getOffset() { return ($this->page - 1) * $this->pageSize; } /** * 设置LIMIT * @return type */ private function setlimit() { return "limit " . ($this->page - 1) * $this->pageSize . ",{$this->pageSize}"; } /** * 获取limit * @param type $args * @return type */ public function __get($args) { if ($args == "limit") { return $this->limit; } else { return null; } } /** * 初始化当前页 * @return int */ private function setPage() { if (!empty($_GET[$this->pageParam])) { if ($_GET[$this->pageParam] > 0) { if ($_GET[$this->pageParam] > $this->pageNum) return $this->pageNum; else return $_GET[$this->pageParam]; } } return 1; } /** * 初始化url * @param type $param * @return string */ private function geturi($param) { $url = $_SERVER['REQUEST_URI'] . (strpos($_SERVER['REQUEST_URI'], "?") ? "" : "?") . $param; $parse = parse_url($url); if (isset($parse["query"])) { parse_str($parse["query"], $params); unset($params["page"]); $url = $parse["path"] . "?" . http_build_query($params); return $url; } else { return $url; } } /** * 本页开始条数 * @return int */ private function star() { if ($this->total == 0) { return 0; } else { return ($this->page - 1) * $this->pageSize + 1; } } /** * 本页结束条数 * @return type */ private function end() { return min($this->page * $this->pageSize, $this->total); } /** * 设置当前页大小 * @return type */ private function setPageSize() { return $this->end() - $this->star() + 1; } /** * 首页 * @return type */ private function frist() { $html = ''; if ($this->page == 1) { $html .= $this->replace("{$this->uri}&page=1", $this->config['frist'], true); } else { $html .= $this->replace("{$this->uri}&page=1", $this->config['frist'], false); } return $html; } /** * 上一页 * @return type */ private function prev() { $html = ''; if ($this->page > 1) { $html .= $this->replace($this->uri.'&page='.($this->page - 1), $this->config['pre'], false); } else { $html .= $this->replace($this->uri.'&page='.($this->page - 1), $this->config['pre'], true); } return $html; } /** * 分页数字列表 * @return type */ private function pagelist() { $linkpage = ""; $lastlist = floor($this->listnum / 2); for ($i = $lastlist; $i >= 1; $i--) { $page = $this->page - $i; if ($page >= 1) { $linkpage .= $this->replace("{$this->uri}&page={$page}", $page, false); } else { continue; } } $linkpage .= $this->replace("{$this->uri}&page={$this->page}", $this->page, true); for ($i = 1; $i <= $lastlist; $i++) { $page = $this->page + $i; if ($page <= $this->pageNum) { $linkpage .= $this->replace("{$this->uri}&page={$page}", $page, false); } else { break; } } return $linkpage; } /** * 下一页 * @return type */ private function next() { $html = ''; if ($this->page < $this->pageNum) { $html .= $this->replace($this->uri.'&page='.($this->page + 1), $this->config['next'], false); } else { $html .= $this->replace($this->uri.'&page='.($this->page + 1), $this->config['next'], true); } return $html; } /** * 最后一页 * @return type */ private function last() { $html = ''; if ($this->page == $this->pageNum) { $html .= $this->replace($this->uri.'&page='.($this->pageNum), $this->config['last'], true); } else { $html .= $this->replace($this->uri.'&page='.($this->pageNum), $this->config['last'], false); } return $html; } /** * 跳转按钮 * @return string */ private function gopage() { $html = ''; $html.=' <input type="text" value="' . $this->page . '" onkeydown="javascript:if(event.keyCode==13){var page=(this.value>' . $this->pageNum . ')?' . $this->pageNum . ':this.value;location=\'' . $this->uri . '&page=\'+page+\'\'}"/><input type="button" value="GO"/>'; return $html; } /** * 模板替换 * @param type $replace 替换内容 * @param type $result 条件 * @return type */ private function replace($url, $text, $result = true) { $template = ($result ? $this->activeTemplate : $this->notActiveTemplate); $html = str_replace('https://www.jb51.net/article/{url}', $url, $template); $html = str_replace('{text}', $text, $html); return $html; } }
第二款php分页类