Section I: Struts2 introduction
Home: http://struts.apache.org/
In the aspect of user request and modularization processing as well as the display of the page, Struts2 play the role of the Dick bombing day;
Compared with the traditional Jsp+servlet model, STRUTS2 is more suitable for enterprise-level team development and facilitates system maintenance.
Latest Version: 2.3.16
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Password: 1iai
Section II: STRUTS2 HelloWorld
Web. XML configuration
<filter>
<filter-name>Struts2</filter-name>
<filter-class>
Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>Struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
Core controller (core jar package)
Section III: Introduction to the principle of Struts2
(a) Greetings to Struts2