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php实现的RSS生成类实例

发布时间:2020-05-28 05:09:13 所属栏目:PHP 来源:互联网
导读:这篇文章主要介绍了php实现的RSS生成类,实例分析了RSS生成类的原理、定义与使用技巧,非常具有实用价值,需要的朋友可以参考下

本文实例讲述了php实现的RSS生成类。分享给大家供大家参考。具体如下:

items = array(); $this->tags = array(); } function addItem($item) { $this->items[] = $item; } function setPubDate($when) { if(strtotime($when) == false) $this->pubDate = date("D,d M Y H:i:s ",$when) . "GMT"; else $this->pubDate = date("D,strtotime($when)) . "GMT"; } function getPubDate() { if(empty($this->pubDate)) return date("D,d M Y H:i:s ") . "GMT"; else return $this->pubDate; } function addTag($tag,$value) { $this->tags[$tag] = $value; } function out() { $out = $this->header(); $out .= "n"; $out .= "" . $this->title . "n"; $out .= "" . $this->link . "n"; $out .= "" . $this->description . "n"; $out .= "" . $this->language . "n"; $out .= "" . $this->getPubDate() . "n"; foreach($this->tags as $key => $val) $out .= "<$key>$valn"; foreach($this->items as $item) $out .= $item->out(); $out .= "n"; $out .= $this->footer(); $out = str_replace("&","&",$out); return $out; } function serve($contentType = "application/xml") { $xml = $this->out(); header("Content-type: $contentType"); echo $xml; } function header() { $out = '' . "n"; $out .= ''; } } class RSSItem { var $title; var $link; var $description; var $pubDate; var $guid; var $tags; var $attachment; var $length; var $mimetype; function RSSItem() { $this->tags = array(); } function setPubDate($when) { if(strtotime($when) == false) $this->pubDate = date("D,$value) { $this->tags[$tag] = $value; } function out() { $out .= "n"; $out .= "" . $this->title . "n"; $out .= "" . $this->link . "n"; $out .= "" . $this->description . "n"; $out .= "" . $this->getPubDate() . "n"; if($this->attachment != "") $out .= ""; if(empty($this->guid)) $this->guid = $this->link; $out .= "" . $this->guid . "n";

foreach($this->tags as $key => $val) $out .= "<$key>$val</$keyn>";
$out .= "n";
return $out;
}
function enclosure($url,$mimetype,$length)
{
$this->attachment = $url;
$this->mimetype = $mimetype;
$this->length = $length;
}
}

使用示例如下:

title = "RSS Feed Title"; $feed->link = "http://website.com"; $feed->description = "Recent articles on your website."; $db->query($query); $result = $db->result; while($row = mysql_fetch_array($result,MYSQL_ASSOC)) { $item = new RSSItem(); $item->title = $title; $item->link = $link; $item->setPubDate($create_date); $item->description = ""; $feed->addItem($item); } echo $feed->serve();

希望本文所述对大家的php程序设计有所帮助。

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