西安交通大学网页设计与编程课件第十二讲 RSS and Feeds.pptVIP

RSS Feeds 网页设计与编程 第12讲 问题的起源 有同学发来邮件: 如何在网站中,同步发表或者引用其他网站发布的新闻/消息? 以下的内容主要回答这个问题. What is RSS? RSS is a text-based format, a type of XML. You should know that only because often RSS files are often labeled as XML. What is RSS? RSS version 1.0 is also RDF (whatever), which, again, is important only because an RSS file may be labeled as RDF. RSS files (which are also called RSS feeds or channels) simply contain a list of items. What is RSS? Usually, each item contains a title, summary, and a link to a URL (e.g. a web page). The most common use for RSS files is for news and other reverse-chronologically ordered websites like blogs. What is RSS? When a website has an RSS feed, it is said to be “syndicated.” RSS files do not have a common file extension, although they frequently end in one of .xml, .rss, or .rdf What is RSS? If you are interested in creating RSS feeds, see this RSS Workshop, or Atom for Publishers for Atom. If you are interested in creating an RSS or Atom reader, see the Aggregators Yahoo! group. Glossary RSS Really Simple Syndication Rich Site Summary RDF Site Summary RSS file RSS feed RSS channel feed channel Glossary XML eXtensible Markup Language the format RSS is written in important only because RSS may be labeled as XML RDF Resource Discovery Framework the format of RSS version 1.0 important only because RSS may be labeled as RDF Glossary blog weblog log on the web a journal-type website, many of which produce RSS feeds Glossary RSS reader news reader RSS aggregator a program that can read RSS files What Can I do with RSS? displaying headlines on other websites search engines aggregating RSS feeds from multiple websites Displaying Headlines on Other Websites Quite a few websites use RSS to display headlines from other websites, as it provides additional content to their readers. Below is displayed the last seven frontnews headlines from the BBC. The BBC has 68 RSS feeds available. Search Engines R