struts 2.1.6 基础配置

一.必须的6个包
commons-fileupload-1.2.1
commons-logging-1.0.4
freemarker-2.3.13
ognl-2.6.11
struts2-core-2.1.6
xwork-2.1.2

二.web.xml

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

	<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>
	
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
</web-app>

三.struts.xml

<?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>
	<package name="struts2" extends="struts-default">
		
		<action name="HelloWorld" class="com.struts2.hello.HelloWorld">
			<result name="success">/hello.jsp</result>
		</action>
	</package>
</struts>

四.struts-2.0.dtd
1. 将 struts2-core-2.1.6.jar 包中的struts-2.0.dtd文件 copy 到D:\Workspaces\MyEclipse\struts2\src\struts-2.0.dtd路径下。
2.用 SYSTEM 的方式引用DTD文件

<!DOCTYPE struts SYSTEM "struts-2.0.dtd">

替换

<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

即可出提示了