分页类代码
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 |
<?php /** * ================================================================== * 文 件 名: Pagination.class.php * 概 要: 经典分页类 * 作 者: IT小强 * 创建时间: 2016-08-11 * 修改时间: 2016-09-11 * copyright (c)2016 admin@xqitw.com * ================================================================== */ class Pagination { /* 总记录数*/ private $total_rows; /* 总页数*/ private $page_num; /* 每页显示记录数 */ private $row_cont; /* 当前页*/ private $cur_page; /* 需要显示的页码数量*/ private $p_num; /* GET提交的参数名称 */ private $act_name; /* 记录偏移值 */ public $offset; /* 页面url */ private $url; /* ajax翻页 */ private $ajax; /** * Pagination 构造函数. * @param $total_rows ,总记录数 * @param $row_cont , 每页显示的记录条数 * @param $url_arg ,页面参数，以？开始 * @param $p_num ,需要显示的页码数量 * @param $act_name ,GET提交的参数名称,默认为cur_page * @param bool $ajax ,是否开启ajax翻页 */ function __construct($total_rows, $row_cont = 10, $ajax = false, $url_arg = NULL, $p_num = 3, $act_name = 'cur_page') { $this->ajax = $ajax; $this->total_rows = $total_rows; $this->act_name = $act_name; $this->row_cont = $row_cont; $this->p_num = $p_num; $this->url = $this->getUrl($url_arg); $this->page_num = $this->getPageNum(); $this->cur_page = $this->getCurPage(); $this->offset = (($this->cur_page) - 1) * ($this->row_cont); } /** 分页类唯一调用接口 * @param bool $fist ,是否显示 首页 和 上一页,默认为true * @param bool $mid ,是否显示 中间数字页码 ,默认为true * @param bool $last ,是否显示 尾页 下一页 和 共...页 ,默认为true * @param bool $post ,是否显示 手动 输入跳转表单 ,默认为true * @return null|string */ function outPagination($fist = true, $mid = true, $last = true, $post = true) { $list = NULL; if ($this->total_rows > $this->row_cont) { $list .= '<div id="pagination-nav" class="pagination-nav">'; $list .= $fist == true ? $this->getFirstPage() : NULL; $list .= $mid == true ? $this->getMiddlePage() : NULL; $list .= $last == true ? $this->getLastPage() : NULL; $list .= $post == true ? $this->getPostPage() : NULL; $list .= '</div>'; } return $list; } /** * 获取页面URL参数 * @param $url_arg ,URL参数 * @return string */ private function getUrl($url_arg = NULL) { $url = strpos($url_arg, '?') === false ? $url_arg . '?' : $url_arg . '&'; return $url; } /** * 获取总页数 * @return float */ private function getPageNum() { $page_num = ceil($this->total_rows / $this->row_cont); return $page_num; } /** * 获取当前页 * @return int */ private function getCurPage() { if ($this->ajax == true) { if ($_POST && isset($_POST['cur'])) { $_POST['cur'] = substr($_POST['cur'], strrpos($_POST['cur'], '_') + 1); if ($_POST['cur'] < 1) { $cur_page = 1; } else if ($_POST['cur'] > $this->page_num) { $cur_page = $this->page_num; } else { $cur_page = $_POST['cur']; } } else { $cur_page = 1; } } else { if (isset($_POST[$this->act_name])) { if ($_POST[$this->act_name] < 1) { $cur_page = 1; } else if ($_POST[$this->act_name] <= $this->page_num) { $cur_page = $_POST[$this->act_name]; } else { $cur_page = $this->page_num; } } else if (isset($_GET[$this->act_name])) { if ($_GET[$this->act_name] < 1) { $cur_page = 1; } else if ($_GET[$this->act_name] <= $this->page_num) { $cur_page = $_GET[$this->act_name]; } else { $cur_page = $this->page_num; } } else { $cur_page = 1; } } return $cur_page; } /** * 输出 首页,上一页 * @return null|string */ private function getFirstPage() { $list = NULL; if ($this->cur_page > 1) { $href1 = $this->ajax == false ? ' href="' . $this->url . $this->act_name . '=1"' : ''; $href2 = $this->ajax == false ? ' href="' . $this->url . $this->act_name . '=' . ($this->cur_page - 1) . '"' : ''; $list = '<a class="cur_p_1" ' . $href1 . '>首页</a>'; $list .= '<a class="cur_p_' . ($this->cur_page - 1) . '" ' . $href2 . '>上一页</a>'; } return $list; } /** * 输出中间数字页码 * @return null|string */ private function getMiddlePage() { $list = NULL; for ($i = 1; $i <= $this->page_num; $i++) { if ($this->cur_page == $i) { $list .= '<span class="current">' . $i . '</span>'; } else { if ($i > ($this->cur_page - ($this->p_num)) && $i < ($this->cur_page + ($this->p_num))) { $href = $this->ajax == false ? ' href="' . $this->url . $this->act_name . '=' . $i . '"' : ''; $list .= '<a class="cur_p_' . $i . '" ' . $href . '>' . $i . '</a>'; } } } return $list; } /** * 输出 尾页,下一页,共..页 * @return null|string */ private function getLastPage() { $list = NULL; $href1 = $this->ajax == false ? ' href="' . $this->url . $this->act_name . '=' . ($this->cur_page + 1) . '"' : ''; $href2 = $this->ajax == false ? ' href="' . $this->url . $this->act_name . '=' . $this->page_num . '"' : ''; if ($this->cur_page < $this->page_num) { $list = '<a class="cur_p_' . ($this->cur_page + 1) . '" ' . $href1 . '>下一页</a>'; $list .= '<a class="cur_p_' . $this->page_num . '" ' . $href2 . '>尾页</a>'; } $list .= '<a class="cur_p_' . $this->page_num . '"' . $href2 . '>共' . $this->page_num . '页</a>'; return $list; } /** * 完成手动输入页码,跳转到指定页功能 * @return string */ private function getPostPage() { $btn_type = $this->ajax == false ? 'submit' : 'button'; $list = '<form class="pag-form" action="' . substr($this->url, 0, -1) . '" method="post">'; $list .= '<input class="cur_p_post" title="请输入页码" type="text" name="' . $this->act_name . '" value="' . mt_rand(1, $this->page_num) . '">'; $list .= '<input class="cur_p_btn btn btn-submit" type="' . $btn_type . '" value="GO">'; $list .= '</form>'; return $list; } } |
CSS样式实例
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 |
/* css reset */ * { box-sizing: border-box; } html, body, h1, h2, h3, h4, h5, h6, div, dl, dt, dd, ul, ol, li, p, blockquote, pre, hr, figure, table, caption, th, td, form, fieldset, legend, input, button, textarea, menu { margin: 0; padding: 0; } li { list-style: none; } table { border-collapse: collapse; border-spacing: 0; } a { color: #000; text-decoration: none; } a:hover { color: #f40; } img, a img { border: none; } h1, h2, h3, h4, h5, h6 { font-size: 100%; } h1, h2, h3, h4, h5, h6, b, strong, th { font-weight: normal; } i, em { font-style: normal; } /* pagination */ .pagination-nav { margin: 20px 0; text-align: center; } .pagination-nav a, .pagination-nav span.current, .pagination-nav .pag-form .btn { background-color: #fff; display: inline-block; margin: 0 3px; padding: 0 10px; border: 1px solid #ccc; border-radius: 3px; font: 14px/1.8em 微软雅黑; } .pagination-nav a:hover, .pagination-nav span.current { color: #fff; background-color: #900; } .pagination-nav .pag-form { display: inline-block; } .pagination-nav .pag-form input { text-align: center; width: 31px; border: 1px solid #ccc; border-radius: 3px; font: 14px/1.8em 微软雅黑; } .pagination-nav .pag-form .btn-null { width: 50px; } .pagination-nav .pag-form .btn-submit { width: 50px; cursor: pointer; } .pagination-nav .pag-form .btn-submit:hover { background-color: #9a0000; } |
页面调用示例
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
<?php require_once 'pagination.class.php'; ?> <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>分页展示</title> <link rel="stylesheet" type="text/css" href="style.css"> </head> <body> <nav class="pagination-nav"> <?php $page = new Pagination(100, 10); echo $page->outPagination(); ?> </nav> </body> </html> |
效果展示
发布评论