原文:http://blog.csdn.net/liyisong2008/article/details/42915715
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xml代码:
[java] view plaincopy
- <?xml version="1.0" encoding="UTF-8"?>
- <beans xmlns="http://www.springframework.org/schema/beans"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
- xmlns:mvc="http://www.springframework.org/schema/mvc"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc.xsd"
- default-autowire="byName">
- <!-- auto register Processor -->
- <context:annotation-config />
- <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
- <property name="basePackage" value="com.anxin.msapweb.db.mybatis.mapper" />
- </bean>
- <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
- <property name="dataSource" ref="db2dataSource" />
- </bean>
- <mvc:interceptors>
- <mvc:interceptor>
- <!-- 需拦截的地址 -->
- <!-- 一级目录 -->
- <mvc:mapping path="/*.do" />
- <mvc:mapping path="/*.ajax" />
- <mvc:mapping path="/*.htm" />
- <!-- 二级目录 -->
- <mvc:mapping path="/*/*.do" />
- <mvc:mapping path="/*/*.ajax" />
- <mvc:mapping path="/*/*.htm" />
- <!-- 需排除拦截的地址 -->
- <mvc:exclude-mapping path="/login.htm"/>
- <bean class="com.anxin.msapweb.web.interceptor.SecurityInterceptor" />
- </mvc:interceptor>
- </mvc:interceptors>
- </beans>
Java代码:
[java] view plaincopy
- package com.anxin.msapweb.web.interceptor;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import javax.servlet.http.HttpSession;
- import org.springframework.web.servlet.HandlerInterceptor;
- import org.springframework.web.servlet.ModelAndView;
- import com.anxin.msapweb.common.Config;
- public class SecurityInterceptor implements HandlerInterceptor {
- private static final String LOGIN_URL = "/login.htm";
- @Override
- public boolean preHandle(HttpServletRequest req, HttpServletResponse res, Object handler) throws Exception {
- HttpSession session = req.getSession(true);
- // 从session 里面获取用户名的信息
- Object obj = session.getAttribute(Config.Passport.SESSION_NAME_LOGIN_RESULT);
- // 判断如果没有取到用户信息,就跳转到登陆页面,提示用户进行登陆
- if (obj == null || "".equals(obj.toString())) {
- res.sendRedirect(LOGIN_URL);
- }
- return true;
- }
- @Override
- public void postHandle(HttpServletRequest req, HttpServletResponse res, Object arg2, ModelAndView arg3) throws Exception {
- }
- @Override
- public void afterCompletion(HttpServletRequest req, HttpServletResponse res, Object arg2, Exception arg3) throws Exception {
- }
- }