需要导入的jar包
commons-fileupload-1.2.2.jar commons-io-2.0.1.jar commons-lang3-3.1.jar freemarker-2.3.18.jar javassist-3.11.0.GA.jar ognl-3.0.3.jar struts2-core-2.3.1.jar xwork-core-2.3.1.jar
struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="default" namespace="/" extends="struts-default">
<action name="hi">
<result>
/hello.jsp
</result>
</action>
</package>
<!-- Add packages here -->
</struts>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
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_3_0.xsd">
<display-name></display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<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>
</web-app>
最后我们可以index.jsp改名为hello.jsp
修改body里面的内容
<body>
Hello Struts2.3. <br>
</body>
浏览界面如下
搞定