www.gusucode.com > ROCBOSS微社区-微信论坛程序 v2.1PHP源码程序 > ROCBOSS微社区-微信论坛程序 v2.1/ROCBOSS_v2.1.0/ROCBOSS_v2.1.0/system/util/Page.php
<?php # 分页类 namespace system\util; class Page { public $first_row; public $list_rows; protected $total_pages; protected $total_rows; protected $now_page; protected $method = 'defalut'; protected $parameter = ''; protected $page_name; protected $ajax_func_name; public $plus = 3; protected $url; public function __construct($data = array()) { $this->total_rows = $data['total_rows']; $this->parameter = !empty($data['parameter']) ? $data['parameter'] : ''; $this->list_rows = !empty($data['list_rows']) && $data['list_rows'] <= 100 ? $data['list_rows'] : 15; $this->total_pages = ceil($this->total_rows / $this->list_rows); $this->page_name = !empty($data['page_name']) ? $data['page_name'] : 'p'; $this->ajax_func_name = !empty($data['ajax_func_name']) ? $data['ajax_func_name'] : ''; $this->method = !empty($data['method']) ? $data['method'] : ''; if (!empty($data['now_page'])) { $this->now_page = intval($data['now_page']); } else { $this->now_page = !empty($_GET[$this->page_name]) ? intval($_GET[$this->page_name]) : 1; } $this->now_page = $this->now_page <= 0 ? 1 : $this->now_page; if (!empty($this->total_pages) && $this->now_page > $this->total_pages) { $this->now_page = $this->total_pages; } $this->first_row = $this->list_rows * ($this->now_page - 1); } protected function _get_link($page, $text, $class = '') { switch ($this->method) { case 'ajax': $parameter = ''; if ($this->parameter) { $parameter = ',' . $this->parameter; } return '<a onclick="' . $this->ajax_func_name . '(\'' . $page . '\'' . $parameter . ')" href="javascript:void(0)">' . $text . '</a>' . "\n"; break; case 'html': $url = str_replace('?', $page, $this->parameter); return '<a href="' . $url . '" '.$class.'>' . $text . '</a>' . "\n"; break; default: return '<a href="' . $this->_get_url($page) . '">' . $text . '</a>' . "\n"; break; } } protected function _set_url() { $url = $_SERVER['REQUEST_URI'] . (strpos($_SERVER['REQUEST_URI'], '?') ? '' : "?") . $this->parameter; $parse = parse_url($url); if (isset($parse['query'])) { parse_str($parse['query'], $params); unset($params[$this->page_name]); $url = $parse['path'] . '?' . http_build_query($params); } if (!empty($params)) { $url .= '&'; } $this->url = $url; } protected function _get_url($page) { if ($this->url === NULL) { $this->_set_url(); } return $this->url . $this->page_name . '=' . $page; } public function first_page($name = '第一页') { if ($this->now_page > 5) { return $this->_get_link('1', $name); } return ''; } public function last_page($name = '最后一页') { if ($this->now_page < $this->total_pages - 5) { return $this->_get_link($this->total_pages, $name); } return ''; } public function up_page($name = '上一页') { if ($this->now_page != 1) { return $this->_get_link($this->now_page - 1, $name, 'class="up_page"'); } return ''; } public function down_page($name = '下一页') { if ($this->now_page < $this->total_pages) { return $this->_get_link($this->now_page + 1, $name, 'class="down_page"'); } return ''; } public function show($param = 1) { if ($this->total_rows < 1) { return ''; } $className = 'show_' . $param; $classNames = get_class_methods($this); if (in_array($className, $classNames)) { return $this->$className(); } return ''; } protected function show_2() { if ($this->total_pages != 1) { $return = ''; $return .= $this->up_page('<'); for ($i = 1; $i <= $this->total_pages; $i++) { if ($i == $this->now_page) { $return .= "<a class='now_page'>$i</a>\n"; } else { if ($this->now_page - $i >= 4 && $i != 1) { $return .= "<span class='pageMore'>...</span>\n"; $i = $this->now_page - 3; } else { if ($i >= $this->now_page + 5 && $i != $this->total_pages) { $return .= "<span>...</span>\n"; $i = $this->total_pages; } $return .= $this->_get_link($i, $i) . "\n"; } } } $return .= $this->down_page('>'); return $return; } } protected function show_1() { $plus = $this->plus; if ($plus + $this->now_page > $this->total_pages) { $begin = $this->total_pages - $plus * 2; } else { $begin = $this->now_page - $plus; } $begin = ($begin >= 1) ? $begin : 1; $return = ''; $return .= $this->first_page(); $return .= $this->up_page(); for ($i = $begin; $i <= $begin + $plus * 2; $i++) { if ($i > $this->total_pages) { break; } if ($i == $this->now_page) { $return .= "<a class='now_page'>$i</a>\n"; } else { $return .= $this->_get_link($i, $i) . "\n"; } } $return .= $this->down_page(); $return .= $this->last_page(); return $return; } protected function show_3() { $plus = $this->plus; if ($plus + $this->now_page > $this->total_pages) { $begin = $this->total_pages - $plus * 2; } else { $begin = $this->now_page - $plus; } $begin = ($begin >= 1) ? $begin : 1; $return = '总计 ' . $this->total_rows . ' 个记录分为 ' . $this->total_pages . ' 页, 当前第 ' . $this->now_page . ' 页 '; $return .= ',每页 '; $return .= '<input type="text" value="' . $this->list_rows . '" id="pageSize" size="3"> '; $return .= $this->first_page() . "\n"; $return .= $this->up_page() . "\n"; $return .= $this->down_page() . "\n"; $return .= $this->last_page() . "\n"; $return .= '<select onchange="' . $this->ajax_func_name . '(this.value)" id="gotoPage">'; for ($i = $begin; $i <= $begin + 10; $i++) { if ($i > $this->total_pages) { break; } if ($i == $this->now_page) { $return .= '<option selected="true" value="' . $i . '">' . $i . '</option>'; } else { $return .= '<option value="' . $i . '">' . $i . '</option>'; } } $return .= '</select>'; return $return; } } ?>