Struts2 (1), Struts2 (
I. Struts
Http://struts.apache.org/download.cgi
2. Import packages, configure Web. xml and struts. xmlFind some packages in the downloaded package.
Struts2-2.3.4.1-all \ struts-2.3.4.1 \ apps \ struts2-blank \ WEB-INF \ lib
Add
<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>
Struts. xml can find the sample changes under struts2-2.3.4.1-all \ struts-2.3.4.1 \ apps \ struts2-blank \ WEB-INF \ classes
<?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.enable.DynamicMethodInvocation" value="false" /> <constant name="struts.devMode" value="false" /> <package name="default" namespace="/" extends="struts-default"> <default-action-ref name="index" /> <global-results> <result name="error">/error.jsp</result> </global-results> <global-exception-mappings> <exception-mapping exception="java.lang.Exception" result="error"/> </global-exception-mappings> <action name="index"> <result type="redirectAction"> <param name="actionName">HelloWorld</param> <param name="namespace">/example</param> </result> </action> </package> <include file="example.xml"/> class="com.opensymphony.xwork2.ActionSupport" --> <!-- Add packages here --> <constant name="struts.devMode" value="true" /><package name="default" namespace="/" extends="struts-default"> <action name="hello" class="com.pb.web.action.HelloAction3"> <result> /helloStruts.jsp </result> </action> </package></struts>Iii. Implementation
Action
Package com. pb. web. action; import com. opensymphony. xwork2.ActionSupport;/** the third type inherits the ActionSupport class. It is the implementation class of Action */public class HelloAction3 extends ActionSupport {/*****/private static final long serialVersionUID = 1L; @ Override public String execute () throws Exception {// TODO Auto-generated method stub return "success ";}}
Page
helloStruts.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">Enter http: // localhost: 8080/StrutsDemo1/hello. action in the address bar.
You can use hello. action to access the helloStruts. jsp page.
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