自定义拦截器进行登陆验证
package com.hpu.interceptor;import java.util.Map;import com.hpu.model.Manager;import com.opensymphony.xwork2.Action;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionInvocation;import com.opensymphony.xwork2.interceptor.AbstractInterceptor;public class LoginInterceptor extends AbstractInterceptor {@Overridepublic String intercept(ActionInvocation invocation) throws Exception {ActionContext acx = invocation.getInvocationContext();Map<String , Object> session = acx.getSession();// 获取Session里面的管理员Manager manager = (Manager) session.get("manager"); if(manager == null) {// 未登陆返回登陆界面return Action.LOGIN;} else {// 登陆后，继续执行return invocation.invoke();}}}
?配置拦截器：
<?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.devMode" value="true" /> <constant name="struts.objectFactory" value="spring" /> <constant name="struts.i18n.encoding" value="gbk"/> <!--不受权限控制的Action请求配置--> <package name="non-authority" namespace="/" extends="struts-default" > <default-action-ref name="login" /> <!-- 登陆界面的Action --> <action name="login" method="login"> <result>/WEB-INF/manager/login.jsp</result> </action> </package><!--受权限控制的Action请求配置--> <package name="manager" namespace="/manager" extends="struts-default"> <interceptors> <!-- 定义一个登陆验证的拦截器 --> <interceptor name="authority" /> <!-- 定义一个带有登陆验证的拦截器栈 --> <interceptor-stack name="myStack"> <!-- 配置默认拦截器 --> <interceptor-ref name="defaultStack" /> <!-- 增加登陆验证拦截器 --> <interceptor-ref name="authority" /> </interceptor-stack> </interceptors> <default-interceptor-ref name="myStack" /> <global-results> <result name="login">/WEB-INF/manager/login.jsp</result> </global-results> <action name="userAdd" method="add"> <result type="redirectAction"><param name="actionName">user_query</param><param name="room.id">${ user.room.id }</param><param name="pageNumber">1</param></result> <result type="chain" name="input">user_intake</result> </action> </package></struts>?