基本步骤：
1、新建Java工程，File>New>Project>Web>Dynamic Web Project，并将工程命名为：Struts2_Demo
2、导入struts2的重要jar包到WebContent>lib下
3、新建web.xml，右击WEB-INF>New>Other>XML>XML File，并命名为web.xml
更改其内容如下：
<?xml version="1.0" encoding="ISO-8859-1"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app> <display-name>Struts2_Demo</display-name> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>login.jsp</welcome-file> </welcome-file-list> </web-app>
4、新建struts.xml，右击Java Resources>src>new>Other>XML>XML File，并命名为struts.xml
5、新建action包，右击Java Resources>src>New>Package，并命名为acion
6、新建LoginAction类，右击action>New>Class，并并名为LoginAction类
并修改其内容如下：
package action; import com.opensymphony.xwork2.ActionSupport; public class LoginAction extends ActionSupport { private String username; private String passward; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassward() { return passward; } public void setPassward(String passward) { this.passward = passward; } public String execute(){ if(username.equals("admin") && passward.equals("admin")){ return "success"; } else{ return "fail"; } } }
7、新建login页面，右击WebContent>New>JSP File，并命名为login.jsp
修改其内容如下：
<%@ page contentType="text/html; charset=UTF-8" %> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>Welcome To Login</title> </head> <body> <center> <h1>用户登录</h1> <s:form action="LoginAction"> <table> <tr> <td>用户名:</td> <td><input type="text" name="username" ></td> </tr> <tr> <td>密码:</td> <td><input type="text" name="passward"></td> </tr> <tr> <td><input type="submit" value="登录"></td> <td><input type="reset" value="重置"></td> </tr> </table> </s:form> </center> </body> </html>
8、新建loginsuccess页面，右击WebContent>New>JSP File，并命名为loginsuccess.jsp
修改其内容如下：
<%@ 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"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> 登录成功 </body> </html>
9、新建loginfail页面，右击WebContent>New>JSP File，并命名为loginfail.jsp
修改其内容如下：
<%@ 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"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Insert title here</title> </head> <body> 登录失败 </body> </html>
10、配置struts.xml，修改其内容如下：
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <include file="struts-default.xml"/> <package name="action" extends="struts-default"> <action name="LoginAction" class="action.LoginAction"> <result name="success">/loginsuccess.jsp</result> <result name="fail">/loginfail.jsp</result> </action> </package> </struts>
11、右击工程Struts_Demo>Run As>Run on Server运行即可，效果如下
