<?phpnamespace org;//命名规范class Page{ public $firstRow; // 起始行数 public $listRows; // 列表每页显示行数 public $parameter; // 分页跳转时要带的参数 public $totalRows; // 总行数 public $totalPages; // 分页总页面数 public $rollPage = 7;// 分页栏每页显示的页数 public $lastSuffix = false; // 最后一页是否显示总页数 private $p = 'p'; //分页参数名 private $url = ''; //当前链接URL private $nowPage = 1; // 分页显示定制 private $config = array( 'header' => '<span class="rows">共 %TOTAL_ROW% 条记录</span>', 'prev' => '<<', 'next' => '>>', 'first' => '1...', 'last' => '...%TOTAL_PAGE%', 'theme' => '%FIRST% %UP_PAGE% %LINK_PAGE% %DOWN_PAGE% %END%', ); /** * 架构函数 * @param array $totalRows 总的记录数 * @param array $listRows 每页显示记录数 * @param array $parameter 分页跳转的参数 */ public function __construct($totalRows, $listRows=20, $parameter = array()) { config('var_page') && $this->p = config('var_page'); //设置分页参数名称 /* 基础设置 */ $this->totalRows = $totalRows; //设置总记录数 $this->listRows = $listRows; //设置每页显示行数 $this->parameter = empty($parameter) ? input('param.'):$parameter;//因为tp5无法直接获取到$_GET,所以这里直接拿tp5的函数input('param.'),下面的一样 $this->nowPage = empty(input('param.p')) ? 1 : intval(input('param.p')); $this->nowPage = $this->nowPage>0 ? $this->nowPage : 1; $this->firstRow = $this->listRows * ($this->nowPage - 1); } /** * 定制分页链接设置 * @param string $name 设置名称 * @param string $value 设置值 */ public function setConfig($name,$value) { if(isset($this->config[$name])) { $this->config[$name] = $value; } } /** * 生成链接URL * @param integer $page 页码 * @return string */ private function url($page){ $ispage = str_replace(urlencode('[PAGE]'), $page, $this->url); return $ispage; } /** * 组装分页链接 * @return string */ public function show() { if(0 == $this->totalRows) return ''; /* 生成URL */ $this->parameter[$this->p] = '[PAGE]'; $this->url = url(request()->action(), $this->parameter);//生成url改成tp5获取当前action的 /* 计算分页信息 */ $this->totalPages = ceil($this->totalRows / $this->listRows); //总页数 if(!empty($this->totalPages) && $this->nowPage > $this->totalPages) { $this->nowPage = $this->totalPages; } /* 计算分页临时变量 */ $now_cool_page = $this->rollPage/2; $now_cool_page_ceil = ceil($now_cool_page); $this->lastSuffix && $this->config['last'] = $this->totalPages; //上一页 $up_row = $this->nowPage - 1; $up_page = $up_row > 0 ? '<a class="prev" href="' . $this->url($up_row) . '" rel="external nofollow" >' . $this->config['prev'] . '</a>' : ''; //下一页 $down_row = $this->nowPage + 1; $down_page = ($down_row <= $this->totalPages) ? '<a class="next" href="' . $this->url($down_row) . '" rel="external nofollow" >' . $this->config['next'] . '</a>' : ''; //第一页 $the_first = ''; if($this->totalPages > $this->rollPage && ($this->nowPage - $now_cool_page) >= 1){ $the_first = '<a class="first" href="' . $this->url(1) . '" rel="external nofollow" >' . $this->config['first'] . '</a>'; } //最后一页 $the_end = ''; if($this->totalPages > $this->rollPage && ($this->nowPage + $now_cool_page) < $this->totalPages){ $the_end = '<a class="end" href="' . $this->url($this->totalPages) . '" rel="external nofollow" >' . $this->config['last'] . '</a>'; } //数字连接 $link_page = ""; for($i = 1; $i <= $this->rollPage; $i++){ if(($this->nowPage - $now_cool_page) <= 0 ){ $page = $i; }elseif(($this->nowPage + $now_cool_page - 1) >= $this->totalPages){ $page = $this->totalPages - $this->rollPage + $i; }else{ $page = $this->nowPage - $now_cool_page_ceil + $i; } if($page > 0 && $page != $this->nowPage){ if($page <= $this->totalPages){ $link_page .= '<a class="num" href="' . $this->url($page) . '" rel="external nofollow" >' . $page . '</a>'; }else{ break; } }else{ if($page > 0 && $this->totalPages != 1){ $link_page .= '<span class="current">' . $page . '</span>'; } } } //替换分页内容 $page_str = str_replace( array('%HEADER%', '%NOW_PAGE%', '%UP_PAGE%', '%DOWN_PAGE%', '%FIRST%', '%LINK_PAGE%', '%END%', '%TOTAL_ROW%', '%TOTAL_PAGE%'), array($this->config['header'], $this->nowPage, $up_page, $down_page, $the_first, $link_page, $the_end, $this->totalRows, $this->totalPages), $this->config['theme']); return "<div>{$page_str}</div>"; }} 
