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spring-boot-demo-session

此 demo 主要演示了 Spring Boot 如何通过 Spring Session 实现Session共享、重启程序Session不失效。

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <artifactId>spring-boot-demo-session</artifactId>
    <version>1.0.0-SNAPSHOT</version>

    <name>spring-boot-demo-session</name>
    <description>Demo project for Spring Boot</description>

    <parent>
        <groupId>com.xkcoding</groupId>
        <artifactId>spring-boot-demo</artifactId>
        <version>1.0.0-SNAPSHOT</version>
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

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

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

        <!-- 对象池,使用redis时必须引入 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-pool2</artifactId>
        </dependency>

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

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
        </dependency>
    </dependencies>

    <build>
        <finalName>spring-boot-demo-session</finalName>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

application.yml

server:
  port: 8080
  servlet:
    context-path: /demo
spring:
  session:
    store-type: redis
    redis:
      flush-mode: immediate
      namespace: "spring:session"
  redis:
    host: localhost
    port: 6379
    # 连接超时时间(记得添加单位,Duration)
    timeout: 10000ms
    # Redis默认情况下有16个分片,这里配置具体使用的分片
    # database: 0
    lettuce:
      pool:
        # 连接池最大连接数(使用负值表示没有限制) 默认 8
        max-active: 8
        # 连接池最大阻塞等待时间(使用负值表示没有限制) 默认 -1
        max-wait: -1ms
        # 连接池中的最大空闲连接 默认 8
        max-idle: 8
        # 连接池中的最小空闲连接 默认 0
        min-idle: 0

测试

测试 重启程序,Session 不失效的场景

  1. 打开浏览器,访问首页:http://localhost:8080/demo/page/index
  2. 最开始未登录,所以会跳转到登录页:http://localhost:8080/demo/page/login?redirect=true 然后点击登录按钮
  3. 登录之后,跳转回首页,此时可以看到首页显示token信息。
  4. 重启程序。不关闭浏览器,直接刷新首页,此时不跳转到登录页。测试成功!

参考