【实验记录】——Redis存储用户信息

Redis配置类
实现序列化

@Configuration
public class RedisConfig {
    @Bean
    public RedisTemplate redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate redisTemplate = new RedisTemplate<>();
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericJackson2JsonRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        redisTemplate.setHashValueSerializer(new GenericJackson2JsonRedisSerializer());
        redisTemplate.setConnectionFactory(redisConnectionFactory);
        return redisTemplate;
    }

    @Bean
    public DefaultRedisscript script() {
        DefaultRedisscript redisscript = new DefaultRedisscript<>();
        redisscript.setLocation(new ClassPathResource("lock.lua"));
        redisscript.setResultType(Boolean.class);
        return redisscript;
    }
}

将用户信息存入session

redisTemplate.opsForValue().set("user:" + ticket, user);

UserServiceImpl
根据cookie获取用户

@Override
    public User getUserBycookie(String userTicket, HttpServletRequest request, HttpServletResponse response) {
        if (!StringUtils.hasText(userTicket)) {
            return null;
        }
        User user = (User) redisTemplate.opsForValue().get("user:" + userTicket);
        if (user != null) {
            cookieUtil.setcookie(request, response, "userTicket", userTicket);
        }
        return user;
    }

GoodsController

@RequestMapping("/toList")
    public String toList(HttpServletRequest request, HttpServletResponse response, Model model, @cookievalue("userTicket") String ticket) {
    	if (StringUtils.isEmpty(ticket)) {
    		return "login";
    	}
    	User user = userService.getUserBycookie(ticket, request, response);
    	if (null == user) {
    		return "login";
    	}
        model.addAttribute("user", user);
        return "goodsList";
    }