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This article mainly introduces the relevant knowledge of "how to use RSS grammar". The editor shows you the operation process through an actual case. The operation method is simple, fast and practical. I hope this article "how to use RSS Grammar" can help you solve the problem.

RSS syntax

The syntax of RSS 2.0 is simple and strict.

How RSS works

RSS is used to share information between websites.

With RSS, you register your content with a company called aggregator.

One of the steps is to create an RSS document and then save it using the .xml suffix. Then upload this file to your website. Next, register through a RSS aggregator. Every day, the aggregator searches the registered website for RSS documents, verifies their links, and displays information about feed so that customers can link to documents that interest them.

Tip: browse the free RSS aggregator service in the RSS release section.

RSS instance

RSS documents use a simple, self-describing syntax.

Let's look at a simple RSS document:

Http://www.yisu.com free programming tutorials RSS tutorials Rss tutorials Rss tutorials http://www.yisu.com/xml tutorials XML tutorials

The first line in the document: the XML declaration-defines the XML version and character encoding used in the document. This example conforms to the 1. 0 specification and uses the UTF-8 character set (which can support Chinese).

The next line is a RSS declaration that identifies this document as an RSS document (in this case, RSS version 2.0).

The next line contains elements. This element is used to describe RSS feed.

An element has three required child elements:

-defines the title of the channel. (for example, the home page of the tutorial)

-defines a hyperlink to the channel. (e.g. www.yisu.com)-describe this channel (e.g. free programming tutorials)

Each element can have one or more elements.

Each element can define an article or "story" in RSS feed.

-defines the title of the project. (such as the RSS tutorial)

-defines a hyperlink to the project. (such as http://www.yisu.com/rss)

-describe this channel (such as free programming tutorials)

Finally, the next two lines close and the element.

Comments in RSS the syntax for writing comments in RSS is similar to the syntax of HTML

RSS uses XML to write because RSS is also XML, remember:

All elements must have a close tag

Elements are case sensitive

Elements must be properly nested

Attribute values must be in quotation marks

This is the end of the introduction to "how to use RSS Grammar". Thank you for reading. If you want to know more about the industry, you can follow the industry information channel. The editor will update different knowledge points for you every day.

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