1、eclipse，mysql，apache tomcat的安裝和配置見前面幾篇文章
建一個Dynamic Web Project，取名叫OATest
2、struts2配置下載struts2需要的的完整包，將其中的以下檔案複製到eclipse的對應web工程的WebContent/WEB-INF/lib的lib目錄下：
1）xwork-core- 2）struts2-core- 3）ognl- 4）freemarker- 5）commons-io-6）commons-fileupload-7）javassist-8）commons-lang3-
3、struts2修改web.xml修改web.xml增加過濾器filter，最終設定檔如下所示
<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"><struts><constant name="struts.i18n.encoding" value="GBK"></constant><package name="default" extends="struts-default"><action name="loginAction" class="com.oa.action.LoginAction"><result name="success">welcome.jsp</result><result name="error">err.jsp</result></action></package></struts>4、定義表單的JSP頁面<%@ page language="java" contentType="text/html; charset=GBK"pageEncoding="utf-8"%><%@ taglib prefix="c" uri="/struts-tags"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Insert title here</title></head><body><c:form action="loginAction"><c:textarea name="username" key="username"></c:textarea><c:textarea name="password" key="password"></c:textarea><input type="submit" value="提交"/></c:form></body></html>5、定義攔截類com.oa.action.LoginAction
注意，包為com.oa.action
package com.oa.action;import com.opensymphony.xwork2.ActionSupport;public class LoginAction extends ActionSupport {private String username;private String password;public String execute() {if (username.equals("a") && password.equals("a"))return SUCCESS;return ERROR;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}}
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