RSS文件的基本格式

<?xml version="1.0" encoding="utf-8" ?>
<channel>
  <title></title>
  <link></link>
  <description></description>
  <language></language>
  <item>
    <title></title>
    <description></description>
    <category></category>
    <author></author>
    <copyright></copyright>
    <pubdate></pubdate>
  </item>
</channel>