STRUTS2 Convention Plug-in 0 configuration, using annotation development

Starting with STRUTS21, struts2 no longer recommends using Codebehind as a 0 configuration plug-in, but instead uses convention plug-ins to support 0 configurations. The Convention plugin is more thorough than before.

With the Convention plug-in, you need to copy the Struts2-convention-plugin-2.3.1.2.jar file to the Lib directory

This plugin is a feature that automatically searches for action:

　　The rules are as follows: It automatically searches for Java classes that are located under the Action,actions,struts, STRUTS2 package.

The Convention plugin will treat the following two Java classes as action:

1. All Java classes that implement the Com.opensymphony.xwork2.Action

2. All Java classes with a class name ending with action

Once the corresponding action class is found, the Convention plug-in deploys these actions as agreed, and when the action is deployed, the ACTION,ACTIONS,STRUTS,STRUTS2 package is mapped to the root namespace, and the

The child package is mapped to the corresponding namespace.

The annotation function of this plugin

　　Sometimes for struts2 application, we write a lot of XML configuration, this find action, and then find configuration, very inconvenient, combined with annotations open, open the corresponding action can let people at a glance

Online has a lot of predecessors to write a lot of summary, I directly apply on it, haha

Reference:

http://blog.csdn.net/oathevil/article/details/7084979

　　 Convention Plug-in official learning document

　　

　　The test code from a

　　　

 PackageCom.hu.web.action;//Be sure to take action, actions, struts, struts2 this package, or the plugin cannot scan this actionImportorg.apache.struts2.convention.annotation.Action;Importorg.apache.struts2.convention.annotation.Actions;ImportOrg.apache.struts2.convention.annotation.Namespace;ImportOrg.apache.struts2.convention.annotation.Result;ImportOrg.apache.struts2.convention.annotation.ResultPath;ImportCom.opensymphony.xwork2.ActionSupport; @Namespace ("/test")//Accessing the test space@ResultPath ("/web-inf")//specify the action to look for the physical view resource under the/web-inf directory Public classLoginactionextendsActionsupport {PrivateString name; PrivateString pwd; PrivateString tip;  PublicString GetName () {returnname; }     Public voidsetName (String name) { This. Name =name; }     PublicString getpwd () {returnpwd; }     Public voidsetpwd (String pwd) { This. PWD =pwd; }                 PublicString Gettip () {returntip; }     Public voidSettip (String tip) { This. tip =tip; } @Actions ({@Action (value= "/test", results={@Result (name= "Login", location= "/index.jsp")}), @Action (value= "/test1", params={"Tip", "when accessing this action path is, the Tip attribute value will be injected"})    })     PublicString Login () {System.out.println (1); return"Login"; }}

Software that makes life easier ...

STRUTS2 Convention Plug-in 0 configuration, using annotation development