rss生成类[代码]

作者:袖梨 2022-07-02


/*****************************************
* RSS2.0 Generator
* Create by MagicBoy(darasion)
* Copyright ? 神奇男孩
******************************************/

/*————————————————

使用方法:
将下面的数组,带入相应的函数。

1、频道主体
$channel = array(
title => '频道名称(必备)',
link => '频道的URL(必备)',
description => '频道的描述(必备)',
language => '频道文章所用语言(可选)',
webmaster => '负责频道技术事务的网站管理员email(可选)',
managingEditor => '责任编辑的email(可选)',
pubDate => '频道内容发布日期,格式遵循RFC822格式(年份可为2位或4位)(可选)',
lastBuildDate => '频道内容最后的修改日期(Sat, 07 Sep 2002 09:42:31 GMT)(可选)',
skipDays => '提示新闻聚合器,那些天它可以跳过。(可选)',
copyright => '频道内容的版权说明(可选)',
ttl => '有效期,用以指明该频道可被缓存的最长时间(可选)',
);

2、频道图片
$image = array(
url => '图片的链接(必备)',
title => '图片的标题,用于http的alt属性(必备)',
link => '网站的url(实际中常以频道的url代替)(必备)',
width => '图片的宽度(象素为单位)最大144,默认88(可选)',
height => '图片的高度(象素为单位)最大400,默认31(可选)',
description => '用于link的title属性(可选)'
);

3、频道项
$item = array(
title => '项(item)的标题(必备)',
description => '项的大纲(必备)',
link => '项的URL(必备)',
comments => '该项的评论(comments)页的URL(可选)',
guid => '1项的唯一标志符串(可选)',
author => '该项作者的email(可选)',
enclosure => '描述该附带的媒体对象(可选)',
category => '包含该项的一个或几个分类(catogory)(可选)',
pubdate => '项的发布时间(可选)',
source_url => '该项来自的RSS道(可选)',
source_name => '该项来自的RSS道(可选)'
);
————————————————*/

class
rss2
{
var
$channel_pre=""
;
var
$str_image=""
;
var
$str_item=""
;
var
$channel_end=""
;
/*构造函数*/
function rss2($channel,$encoding="GB2312"
)
{
$this->channel($channel,$encoding
);
}
/*生成频道主体*/
function channel($channel,$encoding="GB2312"
)
{
$this->channel_pre.="n"
;
$this->channel_pre.= "n"
;

$this->channel_pre.= " n"
;

$this->channel_pre.= " ".$channel['title']."n";
//频道名称(必备)
$this->channel_pre.= " ".$channel['link']."n";
//频道的URL(必备)
$this->channel_pre.= " ".$channel['description']."n";
//频道的描述(必备)
$this->channel_pre.= " MagicBoy RSS Generator v1.0n";
//创建此文档的程序(可选)

if(isset($channel['language']))$this->channel_pre.= " ".$channel['language']."n";
//频道文章所用语言(可选)
if(isset($channel['webmaster']))$this->channel_pre.= " ".$channel['webmaster']."n";
//负责频道技术事务的网站管理员email(可选)
if(isset($channel['managingeditor']))$this->channel_pre.= " ".$channel['managingeditor']."n";
//责任编辑的email(可选)
if(isset($channel['pubdate']))$this->channel_pre.= " ".$channel['pubdate']."n";
//频道内容发布日期,格式遵循RFC822格式(年份可为2位或4位)(可选)
if(isset($channel['lastbuilddate']))$this->channel_pre.= " ".$channel['lastbuilddate']."n";
//频道内容最后的修改日期(Sat, 07 Sep 2002 09:42:31 GMT)(可选)
if(isset($channel['skipdays']))$this->channel_pre.= " ".$channel['skipdays']."n";
//提示新闻聚合器,那些天它可以跳过。(可选)
if(isset($channel['copyright']))$this->channel_pre.= " ".$channel['copyright']."n";
//频道内容的版权说明(可选)
if(isset($channel['ttl']))$this->channel_pre.= " ".$channel['ttl']."n";
//有效期,用以指明该频道可被缓存的最长时间(可选)

$this->channel_end.= " n"
;
$this->channel_end.= "n"
;
}
/*生成频道图片*/
function image($image
)
{
if(isset(
$this->str_image))unset($this->str_image
);
$this->str_image.= " n"
;
if(isset(
$image['url']))$this->str_image.= " ".$image['url']."n";
//图片的url(必备)
if(isset($image['title']))$this->str_image.= " ".$image['title']."n";
//图片的标题,用于http的alt属性(必备)
if(isset($image['link']))$this->str_image.= " ".$image['link']."n";
//网站的url(实际中常以频道的url代替)(必备)
if(isset($image['width']))$this->str_image.= " ".$image['width']."n";
//图片的宽度(象素为单位)最大144,默认88(可选)
if(isset($image['height']))$this->str_image.= " ".$image['height']."n";
//图片的高度(象素为单位)最大400,默认31(可选)
if(isset($image['description']))$this->str_image.= " ".$image['description']."n";
//用于link的title属性(可选)
$this->str_image.= " n"
;
}
/*频道项*/
function item($item
)
{
$this->str_item.=" n"
;
$this->str_item.=" ".$item['title']."n";
//项(item)的标题(必备)
$this->str_item.=" ".$item['description']."n";
//项的大纲(必备)
$this->str_item.=" ".$item['link']."n";
//项的URL(必备)

if(isset($item['comments']))$this->str_item.=" ".$item['comments']."n";
//该项的评论(comments)页的URL(可选)
if(isset($item['guid']))$this->str_item.=" ".$item['guid']."n";
//1项的唯一标志符串(可选)
if(isset($item['author']))$this->str_item.=" ".$item['author']."n";
//该项作者的email(可选)
if(isset($item['enclosure']))$this->str_item.=" ".$item['enclosure']."n";
//描述该附带的媒体对象(可选)
if(isset($item['category']))$this->str_item.=" ".$item['category']."n";
//包含该项的一个或几个分类(catogory)(可选)
if(isset($item['pubdate']))$this->str_item.=" ".$item['pubdate']."n";
//项的发布时间(可选)
if(isset($item['source_url']))$this->str_item.=" .$item['source_url']."">".$item['source_name']."n";
//该项来自的RSS道(可选)
$this->str_item.=" n"
;
}
/*输出xml*/
function generate
()
{
if(isset(
$this->channel_pre)&&isset($this->channel_end)&&isset($this->str_item
))
{
Header("Content-type:text/xml"
);
echo
$this->channel_pre
;
echo
$this->str_image
;
echo
$this->str_item
;
echo
$this->channel_end
;
}
}
/*擦除频道*/
function erase_channel
()
{
unset(
$this->channel_pre
);
unset(
$this->channel_end
);
}
/*擦除频道图片*/
function erase_image
()
{
unset(
$this->str_image
);
}
/*擦除项目*/
function erase_item
()
{
unset(
$this->str_item
);
}
/*擦除所有*/
function erase
()
{
$this->erase_channel
();
$this->erase_image
();
$this->erase_item
();
}
}
?>

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