pom.xml
```xml
<!-- Spring Redis -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.session</groupId>
<artifactId>spring-session-data-redis</artifactId>
</dependency>
```
application.yml
```yml
spring:
redis:
host: localhost # Redis 連接主機名稱
port: 6379 # Redis 連接端口
password: yourpassword # Redis 密碼（如果需要）
```
HttpSessionConfig
```java
import org.springframework.context.annotation.Configuration;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
@Configuration
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 86400*30) // session 有效期為 30 天
public class HttpSessionConfig {
}
```