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简单session实现

时间:2020-12-25 11:39:03      阅读:23      评论:0      收藏:0      [点我收藏+]

简单的session校验实现

利用拦截器实现

package com.ryh.blog.intecepter;

import org.springframework.core.Ordered;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**

  • @author RYH

  • @description 拦截器用来检查session

  • @date 2020/7/7 0007
    **/
    @Component
    public class SessionHandler implements HandlerInterceptor, WebMvcConfigurer, Ordered {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
    HttpSession session = request.getSession(false);
    if (session == null) {
    String path = request.getContextPath();
    response.sendRedirect(path + "/login");
    }
    return true;
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
    registry.addInterceptor(new SessionHandler())
    .addPathPatterns("/*")
    .excludePathPatterns("/login", "/doLogin");
    }

    @Override
    public int getOrder() {
    return 0;
    }
    }

简单session实现

原文:https://www.cnblogs.com/wwyydd/p/14187446.html

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