Spring boot 将 Session 放入 Redis

本文节选自《Netkiller Java 手札》

Spring boot 将 Session 放入 Redis

11.19. Session

11.19.1. Redis

11.19.1.1. Maven

增加下面代码到pom.xml

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

11.19.1.2. application.properties

spring.session.store-type=redis 将Session 存储在Redis中

				spring.redis.database=0
spring.redis.host=192.168.4.1
spring.redis.port=6379
#spring.redis.password=
spring.redis.pool.max-active=8
spring.redis.pool.max-wait=30
spring.redis.pool.max-idle=8
spring.redis.pool.min-idle=0
spring.redis.timeout=10
spring.session.store-type=redis				
				

11.19.1.3. Application

				package cn.netkiller;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
@SpringBootApplication
@EnableAutoConfiguration
@ComponentScan
@EnableMongoRepositories
@EnableJpaRepositories
@EnableScheduling
public class Application {
	public static void main(String[] args) {
		SpringApplication.run(Application.class, args);
	}
}				
				

RedisHttpSessionConfig.java

				package cn.netkiller.config;
import org.springframework.context.annotation.Configuration;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
@Configuration
@EnableRedisHttpSession
public class RedisHttpSessionConfig {
	public RedisHttpSessionConfig() {
		// TODO Auto-generated constructor stub
	}
}				
				

11.19.2. 测试 Session

			package cn.netkiller.web;
import java.util.Date;
import javax.servlet.http.HttpSession;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
public class TestController {
	public TestController() {
		// TODO Auto-generated constructor stub
	}
	@RequestMapping("/session/set")
	@ResponseBody
	public String set(HttpSession session) {
		String key = "test";
		session.setAttribute(key, new Date());
		return key;
	}
	@RequestMapping("/session/get")
	@ResponseBody
	public String get(HttpSession session) {
		String value = (String) session.getAttribute("test").toString();
		return value;
	}
}			
			

keys spring:session:* 查看 Session Key

$ telnet 192.168.4.1 6379
Connecting to 192.168.4.1:6379...
Connection established.
To escape to local shell, press 'Ctrl+Alt+]'.
keys spring:session:*
*7
$68
spring:session:sessions:expires:a510f46f-0a2f-4649-af05-34bd750562c1
$40
spring:session:expirations:1476100200000
$40
spring:session:expirations:1476098400000
$60
spring:session:sessions:f6494a2f-591e-42ba-b381-ce2596f4046d
$60
spring:session:sessions:a510f46f-0a2f-4649-af05-34bd750562c1
$112
spring:session:index:org.springframework.session.FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME:user
$60
spring:session:sessions:627018c8-243e-43ac-87b9-fc07f130c899

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