Introduction to XML
XML refers to extensible markup language (eXtensible Markup Language), a markup language , designed purpose is to transmit the data , rather than display data, is issued by the Organization w3c technology.
- Markup language: html, used to display data
Also use tags to operate
- Extensible Markup Language: Tags can be defined by themselves, and Chinese tags <Person></Person>, <猫></猫> can be written, and data can be displayed, mainly used to transmit data.
The tags in html are fixed, and each tag has a specific meaning <h1>, <br/> etc.
There are now two versions of xml, 1.1 and 1.0, usually 1.0 version, because 1.1 version is not backward compatible.