RSS訂閱功能，在很多網站都可以有但也有很多，下面代碼是自己寫的，其中使用到了一個PHP類：RSS.class.php，感覺非常方便，不敢獨享，特拿出來跟大家分享。 代碼如下 復制代碼
include_once("class/RSS.class.php");//引入RSS PHP類
$RSS= new RSS("名稱","地址","描述","RSS頻道圖標");
$RSS->AddItem("日志的標題","日志的地址","日志的摘要","日志的發布日期");
$RSS->Display();//輸出RSS內容
全部代碼如下：
代碼如下 復制代碼 <?php
// +----------------------------------------------------------------------
// | YBlog
// +----------------------------------------------------------------------
// | Copyright (c) 2008 http://www.hzhuti.com/nokia/n97/ All rights reserved.
// +----------------------------------------------------------------------
// +----------------------------------------------------------------------
// | Author: yhustc <
[email protected]>
// +----------------------------------------------------------------------
// $Id$
/**
+------------------------------------------------------------------------------
* RSS生成類
+------------------------------------------------------------------------------
* @author yhustc <
[email protected]>
* @version $Id$
+------------------------------------------------------------------------------
*/
class RSS
{
/**
+----------------------------------------------------------
* RSS頻道名
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $channel_title = "';
/**
+----------------------------------------------------------
* RSS頻道鏈接
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $channel_link = "';
/**
+----------------------------------------------------------
* RSS頻道描述
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $channel_description = '';
/**
+----------------------------------------------------------
* RSS頻道使用的小圖標的URL
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $channel_imgurl = '';
/**
+----------------------------------------------------------
* RSS頻道所使用的語言
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $language = 'zh_CN';
/**
+----------------------------------------------------------
* RSS文檔創建日期，默認為今天
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $pubDate = '';
protected $lastBuildDate = '';
protected $generator = 'YBlog RSS Generator';
/**
+----------------------------------------------------------
* RSS單條信息的數組
+----------------------------------------------------------
* @var string
* @access protected
+----------------------------------------------------------
*/
protected $items = array();
/**
+----------------------------------------------------------
* 構造函數
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $title RSS頻道名
* @param string $link RSS頻道鏈接
* @param string $description RSS頻道描述
* @param string $imgurl RSS頻道圖標
+----------------------------------------------------------
*/
public function __construct($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());
}
/**
+----------------------------------------------------------
* 設置私有變量
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $key 變量名
* @param string $value 變量的值
+----------------------------------------------------------
*/
public function Config($key,$value)
{
$this->{$key} = $value;
}
/**
+----------------------------------------------------------
* 添加RSS項
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @param string $title 日志的標題
* @param string $link 日志的鏈接
* @param string $description 日志的摘要
* @param string $pubDate 日志的發布日期
+----------------------------------------------------------
*/
function AddItem($title, $link, $description, $pubDate)
{
$this->items[] = array('title' => $title, 'link' => $link, 'description' => $description, 'pubDate' => $pubDate);
}
/**
+----------------------------------------------------------
* 輸出RSS的XML為字符串
+----------------------------------------------------------
* @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;
}
/**
+----------------------------------------------------------
* 輸出RSS的XML到浏覽器
+----------------------------------------------------------
* @access public
+----------------------------------------------------------
* @return void
+----------------------------------------------------------
*/
public function Display()
{
header("Content-Type: text/xml; charset=utf-8");
echo $this->Fetch();
exit;
}
}
?>
