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  1. # spring-boot-demo-session
  2. > 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。
  3. ## pom.xml
  4. ```xml
  5. <?xml version="1.0" encoding="UTF-8"?>
  6. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  7. xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  8. <modelVersion>4.0.0</modelVersion>
  9. <artifactId>spring-boot-demo-session</artifactId>
  10. <version>1.0.0-SNAPSHOT</version>
  11. <name>spring-boot-demo-session</name>
  12. <description>Demo project for Spring Boot</description>
  13. <parent>
  14. <groupId>com.xkcoding</groupId>
  15. <artifactId>spring-boot-demo</artifactId>
  16. <version>1.0.0-SNAPSHOT</version>
  17. </parent>
  18. <properties>
  19. <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  20. <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
  21. <java.version>1.8</java.version>
  22. </properties>
  23. <dependencies>
  24. <dependency>
  25. <groupId>org.springframework.boot</groupId>
  26. <artifactId>spring-boot-starter-web</artifactId>
  27. </dependency>
  28. <dependency>
  29. <groupId>org.springframework.session</groupId>
  30. <artifactId>spring-session-data-redis</artifactId>
  31. </dependency>
  32. <dependency>
  33. <groupId>org.springframework.boot</groupId>
  34. <artifactId>spring-boot-starter-data-redis</artifactId>
  35. </dependency>
  36. <!-- 对象池,使用redis时必须引入 -->
  37. <dependency>
  38. <groupId>org.apache.commons</groupId>
  39. <artifactId>commons-pool2</artifactId>
  40. </dependency>
  41. <dependency>
  42. <groupId>org.springframework.boot</groupId>
  43. <artifactId>spring-boot-starter-thymeleaf</artifactId>
  44. </dependency>
  45. <dependency>
  46. <groupId>org.springframework.boot</groupId>
  47. <artifactId>spring-boot-starter-test</artifactId>
  48. <scope>test</scope>
  49. </dependency>
  50. <dependency>
  51. <groupId>cn.hutool</groupId>
  52. <artifactId>hutool-all</artifactId>
  53. </dependency>
  54. </dependencies>
  55. <build>
  56. <finalName>spring-boot-demo-session</finalName>
  57. <plugins>
  58. <plugin>
  59. <groupId>org.springframework.boot</groupId>
  60. <artifactId>spring-boot-maven-plugin</artifactId>
  61. </plugin>
  62. </plugins>
  63. </build>
  64. </project>
  65. ```
  66. ## application.yml
  67. ```yaml
  68. server:
  69. port: 8080
  70. servlet:
  71. context-path: /demo
  72. spring:
  73. session:
  74. store-type: redis
  75. redis:
  76. flush-mode: immediate
  77. namespace: "spring:session"
  78. redis:
  79. host: localhost
  80. port: 6379
  81. # 连接超时时间(记得添加单位,Duration)
  82. timeout: 10000ms
  83. # Redis默认情况下有16个分片,这里配置具体使用的分片
  84. # database: 0
  85. lettuce:
  86. pool:
  87. # 连接池最大连接数(使用负值表示没有限制) 默认 8
  88. max-active: 8
  89. # 连接池最大阻塞等待时间(使用负值表示没有限制) 默认 -1
  90. max-wait: -1ms
  91. # 连接池中的最大空闲连接 默认 8
  92. max-idle: 8
  93. # 连接池中的最小空闲连接 默认 0
  94. min-idle: 0
  95. ```
  96. ## 测试
  97. > 测试 重启程序,Session 不失效的场景
  98. 1. 打开浏览器,访问首页:http://localhost:8080/demo/page/index
  99. 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
  100. 3. 登录之后,跳转回首页,此时可以看到首页显示token信息。
  101. 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!
  102. ## 参考
  103. - Spring Session 官方文档:https://docs.spring.io/spring-session/docs/current/reference/html5/guides/boot-redis.html#updating-dependencies