RSS PHP类

简单的php生成rss的 类

  1 <?php
  2 if (defined ( '_CLASS_RSS_PHP' ))  return;
  3 define ( '_CLASS_RSS_PHP', 1 );
  4 /**
  5  * RSS
  6  * @author sunny5156
  7  *
  8  */
  9 class RSS {
 10     // public
 11     var $rss_ver = "2.0";
 12     var $channel_title = '';
 13     var $channel_link = '';
 14     var $channel_description = '';
 15     var $language = 'zh_CN';
 16     var $copyright = '';
 17     var $webMaster = '';
 18     var $pubDate = '';
 19     var $lastBuildDate = '';
 20     var $generator = 'RedFox RSS Generator';
 21     var $content = '';
 22     var $items = array ();
 23     
 24     /**
 25      * 构造RSS
 26      * 
 27      * @param string $title            
 28      * @param string $link            
 29      * @param string $description            
 30      */
 31     function RSS($title, $link, $description) {
 32         $this->channel_title = $title;
 33         $this->channel_link = $link;
 34         $this->channel_description = $description;
 35         $this->pubDate = Date ( 'Y-m-d H:i:s', time () );
 36         $this->lastBuildDate = Date ( 'Y-m-d H:i:s', time () );
 37     }
 38     
 39     /**
 40      * 添加节点
 41      * 
 42      * @param string $title            
 43      * @param string $link            
 44      * @param string $description            
 45      * @param string $pubDate            
 46      */
 47     function AddItem($title, $link, $description, $pubDate) {
 48         $this->items [] = array (
 49                 'title' => $title,
 50                 'link' => $link,
 51                 'description' => $description,
 52                 'pubDate' => $pubDate 
 53         );
 54     }
 55     
 56     /**
 57      * 生成RSS
 58      */
 59     function BuildRSS() {
 60         $s = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<rss version=\"2.0\">";
 61         // start channel
 62         $s .= "<channel>\n";
 63         $s .= "<title><![CDATA[{$this->channel_title}]]></title>\n";
 64         $s .= "<link><![CDATA[{$this->channel_link}]]></link>\n";
 65         $s .= "<description><![CDATA[{$this->channel_description}]]></description>\n";
 66         $s .= "<language>{$this->language}</language>\n";
 67         if (! empty ( $this->copyright )) {
 68             $s .= "<copyright><![CDATA[{$this->copyright}]]></copyright>\n";
 69         }
 70         if (! empty ( $this->webMaster )) {
 71             $s .= "<webMaster><![CDATA[{$this->webMaster}]]></webMaster>\n";
 72         }
 73         if (! empty ( $this->pubDate )) {
 74             $s .= "<pubDate>{$this->pubDate}</pubDate>\n";
 75         }
 76         
 77         if (! empty ( $this->lastBuildDate )) {
 78             $s .= "<lastBuildDate>{$this->lastBuildDate}</lastBuildDate>\n";
 79         }
 80         
 81         if (! empty ( $this->generator )) {
 82             $s .= "<generator>{$this->generator}</generator>\n";
 83         }
 84         
 85         // start items
 86         for($i = 0; $i < count ( $this->items ); $i ++) {
 87             $s .= "<item>\n";
 88             $s .= "<title><![CDATA[{$this->items[$i]['title']}]]></title>\n";
 89             $s .= "<link><![CDATA[{$this->items[$i]['link']}]]></link>\n";
 90             $s .= "<description><![CDATA[{$this->items[$i]['description']}]]></description>\n";
 91             $s .= "<pubDate>{$this->items[$i]['pubDate']}</pubDate>\n";
 92             $s .= "</item>\n";
 93         }
 94         
 95         // close channel
 96         $s .= "</channel>\n</rss>";
 97         $this->content = $s;
 98     }
 99     
100     /**
101      * 显示RSS
102      */
103     function Show() {
104         if (empty ( $this->content ))
105             $this->BuildRSS ();
106         print_r ($this->content);
107     }
108     
109     /**
110      * 生成文件
111      * @param string $fname            
112      * @return boolean
113      */
114     function SaveToFile($fname) {
115         $handle = fopen ( $fname, 'wb' );
116         if ($handle === false)
117             return false;
118         fwrite ( $handle, $this->content );
119         fclose ( $handle );
120     }
121 }
122 ?>