php完美的rss 生成类

RSS订阅功能，在很多网站都可以有但也有很多，下面代码是自己写的，其中使用到了一个PHP类：RSS.class.php，感觉非常方便，不敢独享，特拿出来跟大家分享。

代码如下	复制代码
include_once("class/RSS.class.php");//引入RSS PHP类 $RSS= new RSS("名称","地址","描述","RSS频道图标"); $RSS->AddItem("日志的标题","日志的地址","日志的摘要","日志的发布日期"); $RSS->Display();//输出RSS内容

全部代码如下：

代码如下

复制代码

// +---------------------------------------------------------------------- // | YBlog // +---------------------------------------------------------------------- // | Copyright (c) 2008 http://www.hzhuti.com/nokia/n97/ All rights reserved. // +---------------------------------------------------------------------- // +---------------------------------------------------------------------- // | Author: yhustc // +---------------------------------------------------------------------- // $Id$   /**  +------------------------------------------------------------------------------  * RSS生成类  +------------------------------------------------------------------------------  * @author    yhustc  * @version   $Id$  +------------------------------------------------------------------------------  */ class RSS {     /**      +----------------------------------------------------------      * RSS频道名      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $channel_title = "';     /**      +----------------------------------------------------------      * RSS频道链接      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $channel_link = "';     /**      +----------------------------------------------------------      * RSS频道描述      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $channel_description = '';     /**      +----------------------------------------------------------      * RSS频道使用的小图标的URL      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $channel_imgurl = '';     /**      +----------------------------------------------------------      * RSS频道所使用的语言      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $language = 'zh_CN';     /**      +----------------------------------------------------------      * RSS文档创建日期，默认为今天      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $pubDate = '';     protected $lastBuildDate = '';       protected $generator = 'YBlog RSS Generator';       /**      +----------------------------------------------------------      * RSS单条信息的数组      +----------------------------------------------------------      * @var string      * @access protected      +----------------------------------------------------------      */     protected $items = array();       /**      +----------------------------------------------------------      * 构造函数      +----------------------------------------------------------      * @access public      +----------------------------------------------------------      * @param string $title  RSS频道名      * @param string $link  RSS频道链接      * @param string $description  RSS频道描述      * @param string $imgurl  RSS频道图标      +----------------------------------------------------------      */     public function __construct($title, $link, $description, $imgurl = '')     {         $this->channel_title = $title;         $this->channel_link = $link;         $this->channel_description = $description;         $this->channel_imgurl = $imgurl;         $this->pubDate = Date('Y-m-d H:i:s', time());         $this->lastBuildDate = Date('Y-m-d H:i:s', time());     }       /**      +----------------------------------------------------------      * 设置私有变量      +----------------------------------------------------------      * @access public      +----------------------------------------------------------      * @param string $key  变量名      * @param string $value  变量的值      +----------------------------------------------------------      */      public function Config($key,$value)      {         $this->{$key} = $value;      }       /**      +----------------------------------------------------------      * 添加RSS项      +----------------------------------------------------------      * @access public      +----------------------------------------------------------      * @param string $title  日志的标题      * @param string $link  日志的链接      * @param string $description  日志的摘要      * @param string $pubDate  日志的发布日期      +----------------------------------------------------------      */      function AddItem($title, $link, $description, $pubDate)      {         $this->items[] = array('title' => $title, 'link' => $link, 'description' => $description, 'pubDate' => $pubDate);      }        /**      +----------------------------------------------------------      * 输出RSS的XML为字符串      +----------------------------------------------------------      * @access public      +----------------------------------------------------------      * @return string      +----------------------------------------------------------      */     public function Fetch()     {         $rss = "rn";         $rss = "rn";         $rss .= "rn";         $rss .= "rn";         $rss .= "channel_description}]]>rn";         $rss .= "{$this->channel_link}rn";         $rss .= "{$this->language}rn";           if (!empty($this->pubDate))             $rss .= "{$this->pubDate}rn";         if (!empty($this->lastBuildDate))             $rss .= "{$this->lastBuildDate}rn";         if (!empty($this->generator))             $rss .= "{$this->generator}rn";           $rss .= "5rn";           if (!empty($this->channel_imgurl)) {             $rss .= "rn";             $rss .= "rn";             $rss .= "{$this->channel_link}rn";             $rss .= "{$this->channel_imgurl}rn";             $rss .= "rn";         }           for ($i = 0; $i items); $i++) {             $rss .= "rn";             $rss .= "rn";             $rss .= "{$this->items[$i]['link']}rn";             $rss .= "items[$i]['description']}]]>rn";             $rss .= "{$this->items[$i]['pubDate']}rn";             $rss .= "rn";         }           $rss .= "rn";         return $rss;     }       /**      +----------------------------------------------------------      * 输出RSS的XML到浏览器      +----------------------------------------------------------      * @access public      +----------------------------------------------------------      * @return void      +----------------------------------------------------------      */     public function Display()     {         header("Content-Type: text/xml; charset=utf-8");         echo $this->Fetch();         exit;     } } ?>