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<?php
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/**
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* shop Google sitemap 类
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* ============================================================================
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* * 版权所有 2005-2012 上海商派网络科技有限公司，并保留所有权利。
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* 网站地址: http://www.shop.com；
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* ----------------------------------------------------------------------------
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* 这不是一个自由软件！您只能在不用于商业目的的前提下对程序代码进行修改和
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* 使用；不允许对程序代码以任何形式任何目的的再发布。
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* ============================================================================
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* $Author: wayne $
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* $Id: cls_google_sitemap.php 17217 2011-01-19 06:29:08Z wayne $
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*/
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if (!defined('IN_ASC'))
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{
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die('Hacking attempt');
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}
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class google_sitemap
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{
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var $header = "<\x3Fxml version=\"1.0\" encoding=\"UTF-8\"\x3F>\n\t<urlset xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">";
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var $charset = "UTF-8";
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var $footer = "\t</urlset>\n";
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var $items = array();
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/**
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* 增加一个新的子项
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*@access public
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*@param google_sitemap item $new_item
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*/
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function add_item($new_item)
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{
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$this->items[] = $new_item;
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}
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/**
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* 生成XML文档
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*@access public
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*@param string $file_name 如果提供了文件名则生成文件，否则返回字符串.
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*@return [void|string]
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*/
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function build( $file_name = null )
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{
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$map = $this->header . "\n";
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foreach ($this->items AS $item)
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{
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$item->loc = htmlentities($item->loc, ENT_QUOTES);
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$map .= "\t\t<url>\n\t\t\t<loc>$item->loc</loc>\n";
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// lastmod
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if ( !empty( $item->lastmod ) )
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$map .= "\t\t\t<lastmod>$item->lastmod</lastmod>\n";
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// changefreq
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if ( !empty( $item->changefreq ) )
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$map .= "\t\t\t<changefreq>$item->changefreq</changefreq>\n";
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// priority
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if ( !empty( $item->priority ) )
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$map .= "\t\t\t<priority>$item->priority</priority>\n";
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$map .= "\t\t</url>\n\n";
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}
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$map .= $this->footer . "\n";
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if (!is_null($file_name))
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{
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return file_put_contents($file_name, $map);
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}
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else
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{
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return $map;
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}
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}
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}
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class google_sitemap_item
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{
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/**
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*@access public
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*@param string $loc 位置
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*@param string $lastmod 日期格式 YYYY-MM-DD
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*@param string $changefreq 更新频率的单位 (always, hourly, daily, weekly, monthly, yearly, never)
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*@param string $priority 更新频率 0-1
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*/
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function google_sitemap_item($loc, $lastmod = '', $changefreq = '', $priority = '')
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{
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$this->loc = $loc;
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$this->lastmod = $lastmod;
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$this->changefreq = $changefreq;
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$this->priority = $priority;
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}
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}
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?>
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