db_config = pc_base::load_config('database'); $this->header = "<\x3Fxml version=\"1.0\" encoding=\"UTF-8\"\x3F>\n\t"; $this->charset = "UTF-8"; $this->footer = "\t\n"; $this->items = array(); parent::__construct(); } /** * 增加一个新的子项 *@access public *@param google_sitemap item $new_item */ function add_item($new_item) { $this->items[] = $new_item; } /** * 生成XML文档 *@access public *@param string $file_name 如果提供了文件名则生成文件,否则返回字符串. *@return [void|string] */ function build( $file_name = null ) { $map = $this->header . "\n"; foreach ($this->items AS $item) { $map .= "\t\t\n\t\t\t$item->loc\n"; // lastmod if ( !empty( $item->lastmod ) ) $map .= "\t\t\t$item->lastmod\n"; // changefreq if ( !empty( $item->changefreq ) ) $map .= "\t\t\t$item->changefreq\n"; // priority if ( !empty( $item->priority ) ) $map .= "\t\t\t$item->priority\n"; $map .= "\t\t\n\n"; } $map .= $this->footer . "\n"; if (!is_null($file_name)) { return file_put_contents($file_name, $map); } else { return $map; } } } ?>