Struts2 注解配置

struts.xml  放在src目录下

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
        "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
  <!-- 请求参数的编码方式--> 
    <constant name="struts.i18n.encoding" value="UTF-8"/> 
    <!-- 指定被struts2处理的请求后缀类型。多个用逗号隔开--> 
    <constant name="struts.action.extension" value="action,do"/> 
    <!-- 当struts.xml改动后，是否重新加载。默认值为false(生产环境下使用),开发阶段最好打开  --> 
    <constant name="struts.configuration.xml.reload" value="true"/> 
    <!-- 是否使用struts的开发模式。开发模式会有更多的调试信息。默认值为false(生产环境下使用),开发阶段最好打开  --> 
    <constant name="struts.devMode" value="false"/>   
    <!-- 设置浏览器是否缓存静态内容。默认值为true(生产环境下使用),开发阶段最好关闭  --> 
    <constant name="struts.serve.static.browserCache" value="false" /> 
    <!-- 指定由spring负责action对象的创建    
    <constant name="struts.objectFactory" value="spring" /> 
    --> 
    <!-- 是否开启动态方法调用--> 
    <constant name="struts.enable.DynamicMethodInvocation" value="false"/> 


</struts>

web.xml  放在 WEB-INF目录下

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5">
	<display-name>Struts2Test</display-name>
	<!--  -->

	 <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>

	<!-- 配置欢迎页 -->
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

action文件  放在com.action目录下

package com.action;

import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.ExceptionMapping;   
import org.apache.struts2.convention.annotation.ExceptionMappings;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.convention.annotation.Results;
import org.apache.struts2.convention.annotation.ParentPackage;

import com.opensymphony.xwork2.ActionSupport;
import com.service.PersonService;

@Namespace("/person") //访问路径的包名
@Results( { @Result(name = "success", location = "/index.jsp"), 
        @Result(name = "error", location = "/hello.jsp") }) 
@ExceptionMappings( { @ExceptionMapping(exception = "java.lange.RuntimeException", result = "error") }) 
public class PersonAction extends ActionSupport {


	public PersonAction() {
		// TODO Auto-generated constructor stub
	} 
	@Action("login")  //访问路径的action名， 想要访问selUser 这个方法 地址为 http://localhost:8080/工程名/person/login
	 public String selUser(){
			System.out.println("login-index");
		 return SUCCESS;
		 }
}

所需jar包

struts2-convention-plugin-2.3.16.jar

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