本文主要是介绍Spring mvc interceptor配置拦截器，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
xml代码
<?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
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 { } } 这篇关于Spring mvc interceptor配置拦截器的文章就介绍到这儿，希望我们推荐的文章对编程师们有所帮助！
