php完美的rss 生成类

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

<?php
// +----------------------------------------------------------------------
// | YBlog
// +----------------------------------------------------------------------
// | Copyright (c) 2008 http://www.hzhuti.com/nokia/n97/ All rights reserved.
// +----------------------------------------------------------------------
// +----------------------------------------------------------------------
// | Author: yhustc <yhustc@gmail.com>
// +----------------------------------------------------------------------
// $Id$

/**
+------------------------------------------------------------------------------
* RSS生成类
+------------------------------------------------------------------------------
* @author    yhustc <yhustc@gmail.com>
* @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 = "<?xml version="1.0" encoding="utf-8" ?>rn";
        $rss = "<rss version="2.0">rn";
        $rss .= "<channel>rn";
        $rss .= "<title><![CDATA[{$this->channel_title}]]></title>rn";
        $rss .= "<description><![CDATA[{$this->channel_description}]]></description>rn";
        $rss .= "<link>{$this->channel_link}</link>rn";
        $rss .= "<language>{$this->language}</language>rn";

        if (!empty($this->pubDate))
            $rss .= "<pubDate>{$this->pubDate}</pubDate>rn";
        if (!empty($this->lastBuildDate))
            $rss .= "<lastBuildDate>{$this->lastBuildDate}</lastBuildDate>rn";
        if (!empty($this->generator))
            $rss .= "<generator>{$this->generator}</generator>rn";

        $rss .= "<ttl>5</ttl>rn";

        if (!empty($this->channel_imgurl)) {
            $rss .= "<image>rn";
            $rss .= "<title><![CDATA[{$this->channel_title}]]></title>rn";
            $rss .= "<link>{$this->channel_link}</link>rn";
            $rss .= "<url>{$this->channel_imgurl}</url>rn";
            $rss .= "</image>rn";
        }

        for ($i = 0; $i < count($this->items); $i++) {
            $rss .= "<item>rn";
            $rss .= "<title><![CDATA[{$this->items[$i]['title']}]]></title>rn";
            $rss .= "<link>{$this->items[$i]['link']}</link>rn";
            $rss .= "<description><![CDATA[{$this->items[$i]['description']}]]></description>rn";
            $rss .= "<pubDate>{$this->items[$i]['pubDate']}</pubDate>rn";
            $rss .= "</item>rn";
        }

        $rss .= "</channel>rn</rss>";
        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;
    }
}
?>

补充：Php教程,Php高级应用