<?xml version="1.0" encoding="GBK"?> <project name="struts" basedir="." default=""> <property name="dist" value="classes"/> <property name="src" value="src"/> <path id="classpath"> <fileset dir="lib"> <include name="*.jar"/> </fileset> <pathelement path="${dist}"/> </path> <target name="compile" description="Compile all source code"> <delete dir="${dist}"/> <mkdir dir="${dist}"/> <copy todir="${dist}"> <fileset dir="${src}"> <exclude name="**/*.java"/> </fileset> </copy> <javac destdir="classes" debug="true" includeantruntime="yes" deprecation="false" optimize="false" failonerror="true"> <src path="${src}"/> <classpath refid="classpath"/> </javac> </target> </project>
<?xml version="1.0" encoding="GBK"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <!-- 定义Struts 2的核心Filter --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <!-- 让Struts 2的核心Filter拦截所有请求 --> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee This program is protected by copyright laws. Program Name: Date: --%> <%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>错误页面</title> </head> <body> 您不能登录! </body> </html>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee This program is protected by copyright laws. Program Name: Date: --%> <%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>登录页面</title> </head> <body> <h3>用户登录</h3> <s:form action="login"> <s:textfield name="username" label="用户名"/> <s:password name="password" label="密码"/> <s:submit value="登录"/> </s:form> </body> </html>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee This program is protected by copyright laws. Program Name: Date: --%> <%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>成功页面</title> </head> <body> 您已经登录! </body> </html>
<?xml version="1.0" encoding="GBK"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <!-- 通过常量配置该应用所使用的字符集--> <constant name="struts.i18n.encoding" value="GBK"/> <!-- 配置本系统所使用的包 --> <package name="lee" extends="struts-default"> <!-- 应用所需使用的拦截器都在该元素下配置 --> <interceptors> <!-- 配置mySimple拦截器 --> <interceptor name="mySimple" class="org.crazyit.app.interceptor.MyFilterInterceptor"> <!-- 为拦截器指定参数值 --> <param name="name">拦截方法的拦截器</param> </interceptor> </interceptors> <action name="login" class="org.crazyit.app.action.LoginAction"> <result name="error">/WEB-INF/content/error.jsp</result> <result>/WEB-INF/content/welcome.jsp</result> <!-- 配置系统的默认拦截器 --> <interceptor-ref name="defaultStack"/> <!-- 应用自定义的mySimple拦截器 --> <interceptor-ref name="mySimple"> <!-- 重新指定name属性的属性值 --> <param name="name">改名后的拦截方法过滤拦截器</param> <!-- 指定execute方法不需要被拦截 --> <param name="excludeMethods">execute</param> </interceptor-ref> </action> <action name="*"> <result>/WEB-INF/content/{1}.jsp</result> </action> </package> </struts>
package org.crazyit.app.action; import com.opensymphony.xwork2.ActionSupport; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class LoginAction extends ActionSupport { private String username; private String password; // username的setter和getter方法 public void setUsername(String username) { this.username = username; } public String getUsername() { return username; } // password的setter和getter方法 public void setPassword(String password) { this.password = password; } public String getPassword() { return password; } public String execute() throws Exception { System.out.println("进入execute方法执行体.........."); Thread.sleep(1500); if (getUsername().equals("crazyit.org") && getPassword().equals("leegang") ) { return SUCCESS; } return ERROR; } }
package org.crazyit.app.interceptor; import com.opensymphony.xwork2.ActionInvocation; import com.opensymphony.xwork2.interceptor.*; import java.util.*; import org.crazyit.app.action.*; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ // 拦截方法的拦截器,应该继承MethodFilterInterceptor抽象类 public class MyFilterInterceptor extends MethodFilterInterceptor { // 简单拦截器的名字 private String name; // 为该简单拦截器设置名字的setter方法 public void setName(String name) { this.name = name; } // 重写doIntercept()方法,实现对Action的拦截逻辑 public String doIntercept(ActionInvocation invocation) throws Exception { // 取得被拦截的Action实例 LoginAction action = (LoginAction)invocation.getAction(); // 打印执行开始的时间 System.out.println(name + " 拦截器的动作---------" + "开始执行登录Action的时间为:" + new Date()); // 取得开始执行Action的时间 long start = System.currentTimeMillis(); // 执行该拦截器的后一个拦截器,或者直接指定Action的被拦截方法 String result = invocation.invoke(); // 打印执行结束的时间 System.out.println(name + " 拦截器的动作---------" + "执行完登录Action的时间为:" + new Date()); long end = System.currentTimeMillis(); // 打印执行该Action所花费的时间 System.out.println(name + " 拦截器的动作---------" + "执行完该Action的时间为" + (end - start) + "毫秒"); return result; } }