springboot项目：登录登录aop拦截使用Redis与cookie 进行设置获取清除操作

登录、登出：

第一步：在pom文件中引入依赖

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

第二步：在application.yml文件中进行Redis配置

spring:  redis:host: 192.168.1.104port: 6379

第三步：编写cookie工具类

package com.payease.utils;import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;/*** Cookie工具类* @Created By liuxiaoming* @CreateTime 2017/12/6 下午4:31**/
public class CookieUtil {/*** 设置cookie* @param response* @param name* @param value* @param maxAge*/public static void set(HttpServletResponse response,String name,String value,int maxAge){Cookie cookie = new Cookie(name, value); //设置cookie的key和value值cookie.setPath("/");        //路径cookie.setMaxAge(maxAge);   //过期时间response.addCookie(cookie); //添加cookie
    }/*** 获取cookie* @param request* @param name* @return*/public static Cookie get(HttpServletRequest request,String name){Map<String, Cookie> cookieMap = readCookieMap(request);if(cookieMap.containsKey(name)){  //判断cookieMap是否含有该keyreturn cookieMap.get(name);}else{return null;}}/*** 将cookie封装成map* @param request* @return*/private static Map<String, Cookie> readCookieMap(HttpServletRequest request){Map<String, Cookie> cookieMap = new HashMap<>();Cookie[] cookies = request.getCookies();        //获取所有的cookie值if(cookies != null){for (Cookie cookie : cookies){cookieMap.put(cookie.getName(),cookie);}}return cookieMap;}
}

第四步：分别设置cookie的常量和Redis的常量

cookie常量：

package com.payease.constant;/*** cookie常量* @Created By liuxiaoming* @CreateTime 2017/12/6 下午4:38**/
public interface CookieConstant {String TOKEN = "token";Integer EXPIRE = 7200;
}

Redis常量：

package com.payease.constant;/*** redis常量* @Created By liuxiaoming* @CreateTime 2017/12/6 下午4:21**/
public interface RedisConstant {String TOKEN_PREFIX = "token_%s";Integer EXPIRE = 7200; //2小时
}

第五步：编写调用

package com.payease.controller;import com.payease.config.ProjectUrlConfig;
import com.payease.constant.CookieConstant;
import com.payease.constant.RedisConstant;
import com.payease.dataobject.SellerInfo;
import com.payease.enums.ResultEnum;
import com.payease.service.SellerService;
import com.payease.utils.CookieUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;/*** 卖家用户* Created by liuxiaoming* 2017-12-06 下午05:35*/
@Controller
@RequestMapping("/seller")
public class SellerUserController {@Autowiredprivate SellerService sellerService;@Autowiredprivate StringRedisTemplate redisTemplate;@Autowiredprivate ProjectUrlConfig projectUrlConfig;@GetMapping("/login")public ModelAndView login(@RequestParam("openid") String openid,HttpServletResponse response,Map<String, Object> map) {//1. openid去和数据库里的数据匹配SellerInfo sellerInfo = sellerService.findSellerInfoByOpenid(openid);if (sellerInfo == null) {map.put("msg", ResultEnum.LOGIN_FAIL.getMessage());map.put("url", "/sell/seller/order/list");return new ModelAndView("common/error");}//2. 设置token至redisString token = UUID.randomUUID().toString();Integer expire = RedisConstant.EXPIRE;redisTemplate.opsForValue().set(String.format(RedisConstant.TOKEN_PREFIX, token), openid, expire, TimeUnit.SECONDS);//3. 设置token至cookie
        CookieUtil.set(response, CookieConstant.TOKEN, token, expire);return new ModelAndView("redirect:" + projectUrlConfig.getSell() + "/sell/seller/order/list");}@GetMapping("/logout")public ModelAndView logout(HttpServletRequest request,HttpServletResponse response,Map<String, Object> map) {//1. 从cookie里查询Cookie cookie = CookieUtil.get(request, CookieConstant.TOKEN);if (cookie != null) {//2. 清除redis
            redisTemplate.opsForValue().getOperations().delete(String.format(RedisConstant.TOKEN_PREFIX, cookie.getValue()));//3. 清除cookieCookieUtil.set(response, CookieConstant.TOKEN, null, 0);}map.put("msg", ResultEnum.LOGOUT_SUCCESS.getMessage());map.put("url", "/sell/seller/order/list");return new ModelAndView("common/success", map);}
}

登录拦截aop、异常捕获：

第一步：SellerAuthorizeException异常类

package com.payease.exception;/*** @Created By liuxiaoming* @CreateTime 2017/12/8 上午10:41**/
public class SellerAuthorizeException extends RuntimeException{
}

第二步：aop拦截

package com.payease.aspect;import com.payease.constant.CookieConstant;
import com.payease.constant.RedisConstant;
import com.payease.exception.SellerAuthorizeException;
import com.payease.utils.CookieUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;/*** @Created By liuxiaoming* @CreateTime 2017/12/8 上午10:18**/
@Aspect
@Component
@Slf4j
public class SellerAuthorizeAspect {@Autowiredprivate StringRedisTemplate redisTemplate;@Pointcut("execution(public * com.payease.controller.Seller*.*(..))" +"&& !execution(public * com.payease.controller.SellerUserController.*(..))")public void verify(){}@Before("verify()")public void doVerify(){ServletRequestAttributes attributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes();HttpServletRequest request = attributes.getRequest();//查询cookieCookie cookie = CookieUtil.get(request, CookieConstant.TOKEN);if(cookie == null){log.warn("【登陆校验】Cookie中查不到token");throw new SellerAuthorizeException();}//从Redis中查询String tokenValue = redisTemplate.opsForValue().get(String.format(RedisConstant.TOKEN_PREFIX,cookie.getValue()));if(StringUtils.isEmpty(tokenValue)){log.warn("【登陆校验】Redis中查不到token");throw new SellerAuthorizeException();}}
}

第三步：编写异常捕获类

package com.payease.handler;import com.payease.config.ProjectUrlConfig;
import com.payease.exception.SellerAuthorizeException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.servlet.ModelAndView;/*** 异常捕获类* @Created By liuxiaoming* @CreateTime 2017/12/8 上午10:54**/
@ControllerAdvice
public class SellerExceptionHandler {@Autowiredprivate ProjectUrlConfig projectUrlConfig;//拦截登录异常//http://sell.natapp4.cc/sell/wechat/qrAuthorize?returnUrl=http://sell.natapp4.cc/sell/seller/login@ExceptionHandler(value= SellerAuthorizeException.class)public ModelAndView handlerAuthorizeException(){return new ModelAndView("redirect:".concat("/seller/loginException"));
//                .concat(projectUrlConfig.getWechatOpenAuthorize())
//                .concat("/sell/wechat/qrAuthorize")
//                .concat("?returnUrl=")
//                .concat(projectUrlConfig.getSell())
//                .concat("/sell/seller/login"));
    }
}

第四步：编写页面

<html>
<head><meta charset="utf-8"><title>错误提示</title><link href="https://cdn.bootcss.com/bootstrap/3.0.1/css/bootstrap.min.css" rel="stylesheet">
</head>
<body><div class="container"><div class="row clearfix"><div class="col-md-12 column"><div class="alert alert-dismissable alert-danger"><h3>登录页面</h3><form action="/sell/seller/login"><br>openid:<input type="text" name="openid"/><br><input type="submit" value="登录"/></form></div></div></div>
</div></body></html>

第五步：编写controller

    @GetMapping("/loginException")public ModelAndView loginException(Map<String, Object> map) {map.put("msg", ResultEnum.LOGIN_RELOAD.getMessage());map.put("url", "/sell/seller/loginPage");return new ModelAndView("common/error");}@GetMapping("/loginPage")public ModelAndView loginException() {return new ModelAndView("common/login");}

转载于:https://www.cnblogs.com/liuxiaoming123/p/7997509.html

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