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多个配置文件安模块划分
01：导包配置web.xml
<?xml version="1.0" encoding="UTF-8"?><web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <!-- 01:启动struts2框架 --> <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>
02：编写action类
package com.self.action;/** * 02：写相应的处理方法 */public class HelloWorldAction { private String message; public String dohelloworld(){ return "doresult"; } //为属性注入值，需要提供set方法 public void setMessage(String message) { this.message = message; } //在页面显示值，需要get方法 public String getMessage() { return message; }}
03：配置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> <!-- 01：将.action访问，改为.do --> <constant name="struts.action.extension" value="http://www.mamicode.com/do"></constant> <!-- 02：指定默认编码，相当于HttpServletRequest的setCharacterEncoding方法，也作用于freemarker、velocity的输出 --> <constant name="struts.i18n.encoding" value="http://www.mamicode.com/UTF-8"></constant> <include file="department.xml"/> <include file="employ.xml"/></struts>
04：编写department.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="dep" namespace="/department" extends="struts-default"> <action name="helloworld" class="com.self.action.HelloWorldAction" method="dohelloworld" > <param name="message">department</param> <result name="doresult"> /showresult.jsp </result> </action> </package></struts>
05：编写employ.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="emp" namespace="employ" extends="struts-default"> <action name="helloworld" class="com.self.action.HelloWorldAction" method="dohelloworld" > <param name="message">employ</param> <result name="doresult"> /showresult.jsp </result> </action> </package></struts>
06：编写页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><html><head><title>显示</title></head><!-- 第4步：显示 --><body> <BR> <BR> <center> 将页面放在WEB-INF下面，这样用户直接访问不到<BR> <BR> 为action的属性注入值: ${message} <BR> </center></body></html>
07：访问路径1<http://localhost:8080/Struts2_01/employ/helloworld.do>
显示结果1：employ
08：访问路径2<http://localhost:8080/Struts2_01/department/helloworld.do>
显示结果2：department
多个配置文件安模块划分
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