RSS2.0 list of child elements of the element channel
| Elements (Element) | Description (Description) | range | importance | Examples (Example) |
| title | Channel name | Essential | GoUpstate.com News Headlines | |
| link | URL channels. | Essential | http://www.goupstate.com/ | |
| Description | Description channel | Essential | The latest news from GoUpstate.com, a Spartanburg Herald-Journal Web site. | |
| language | Channel article used language, | Available or netscape list of recommended w3c | Optional | en-us |
| copyright | Copyright channel content | Optional | Copyright 2002, Spartanburg Herald-Journal | |
| managingEditor | Editor's email | Optional | [email protected] (George Matesky) | |
| webMaster | In charge of technical affairs channel webmaster email | Optional | [email protected] (Betty Guernsey) | |
| pubDate | Channel content release date, format follow RFC822 format (Year 2 who may or four) | Optional | Sat, 07 Sep 2002 00:00:01 GMT | |
| lastBuildDate | Channel content last modified date | Optional | Sat, 07 Sep 2002 09:42:31 GMT | |
| category | Or a specified channel belongs to several categories | Optional | <category>Newspapers</category> | |
| generator | Generation program name for the channel | Optional | MightyInHouse Content System v2.3 | |
| docs | Pointing to the URL of the RSS file format described by | Optional | http://blogs.law.harvard.edu/tech/rss | |
| cloud | Allows processes to register with a cloud to be notified of updates to the channel, implementing a lightweight publish-subscribe protocol for RSS feeds. More info here. | Optional | <cloud domain="rpc.sys.com" port="80" path="/RPC2" registerProcedure="pingMe" protocol="soap"/> | |
| ttl | Period, indicating that the channel can be used to cache the most time | In minutes | Optional | <ttl>60</ttl> |
| image | Specify a GIF or JPEG or PNG images to be displayed with the channel | Optional | ||
| rating | This multi-level channel (mainly adult, restrictions and children) | Optional | ||
| textInput | Specify a text input box for the user to input specific information and the function pending. | Optional | ||
| vessels hours | Tip news aggregator, that it can skip hour period. | Optional | ||
| skipDays | Tip news aggregator, those days, it can be skipped. | Optional |
List of child elements child element image of the channel element RSS2.0
| Elements (Element) | Description (Description) | range | importance | Examples (Example) |
| url | Pictures of url | Essential | ||
| title | Image title for the alt attribute http | Essential | ||
| link | Website url (often with actual url instead of the channel) | Essential | ||
| width | Image width (in pixels) | Up to 144, default 88 | Optional | |
| height | Pictures of height (in pixels) | Up to 400, default 31 | Optional | |
| description | Title attribute for the link | Optional |
RSS2.0 element channel sub-elements of cloud sub-element list
| Elements (Element) | Description (Description) | range | importance | Examples (Example) |
| domain | Cloud program where the domain name or IP address of the machine | radio.xmlstoragesystem.com | ||
| port | Port Access clound program adopted | 80 | ||
| path | The path where the program (not necessarily true path) | /RPC2 | ||
| registerProcedure | Registration process or service available | xmlStorageSystem.rssPleaseNotify | ||
| protocol | protocol | One of xml-rpc, soap, http-post | xml-rpc |
RSS2.0 child elements of the element channel textInput list of sub-elements
| Elements (Element) | Description (Description) | range | importance | Examples (Example) |
| title | Submit button's label | Essential | ||
| description | Interpret text input area | Essential | ||
| name | Text area object name | Essential | ||
| link | Cgi program processing requests submitted | Essential |
Reprinted: http://hedong.3322.org/archives/000275.html
Reproduced in: https: //www.cnblogs.com/Juny/archive/2007/01/19/624865.html