session交由redis管理后，session时长动态设置

 

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;
import org.springframework.data.redis.core.RedisOperations;
import org.springframework.session.data.redis.RedisOperationsSessionRepository;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
import org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration;

@Configuration
@ConditionalOnProperty(prefix = "spring.redis" , name="enable", matchIfMissing = true) // 是否开启此配置
@EnableRedisHttpSession()
public class RedisSessionConfig {
    
 
    @Value("${server.redis.session.timeout}")
    private int sessionTimeout = 900;

 
    @Primary
    @Bean
    public RedisOperationsSessionRepository sessionRepository(
            @Qualifier("sessionRedisTemplate") RedisOperations sessionRedisTemplate,
            ApplicationEventPublisher applicationEventPublisher) {
        RedisOperationsSessionRepository sessionRepository = new RedisOperationsSessionRepository(sessionRedisTemplate);
        sessionRepository.setApplicationEventPublisher(applicationEventPublisher);
        sessionRepository.setDefaultMaxInactiveInterval(sessionTimeout);
        System.err.println(sessionTimeout);
        return sessionRepository;
    }

}