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YunaiV
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spring session 示例
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‎README.md

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# Web 开发
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* [《芋道 Spring Boot SpringMVC 入门》](http://www.iocoder.cn/Spring-Boot/SpringMVC/?github) 对应 [lab-23](https://github.com/YunaiV/SpringBoot-Labs/tree/master/lab-23) 。
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* [《芋道 Spring Boot 分布式 Session 入门》](http://www.iocoder.cn/Spring-Boot/Distributed-Session/?github) 对应 [lab-26](https://github.com/YunaiV/SpringBoot-Labs/tree/master/lab-26) 。
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* [《芋道 Spring Boot API 接口文档 Swagger 入门》](http://www.iocoder.cn/Spring-Boot/Swagger/?github) 对应 [lab-24](https://github.com/YunaiV/SpringBoot-Labs/tree/master/lab-24) 。
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* [《芋道 Spring Boot 参数校验 Validation 入门》](http://www.iocoder.cn/Spring-Boot/Validation/?github) 对应 [lab-22](https://github.com/YunaiV/SpringBoot-Labs/tree/master/lab-22) 。
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* [《芋道 Spring Boot WebSocket 入门》](http://www.iocoder.cn/Spring-Boot/WebSocket/?github) 对应 [lab-25](https://github.com/YunaiV/SpringBoot-Labs/tree/master/lab-25) 。

‎lab-26/lab-26-distributed-session-01/pom.xml

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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- 实现对 Spring Session 使用 Redis 作为数据源的自动化配置 -->
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<dependency>
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<groupId>org.springframework.session</groupId>
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<artifactId>spring-session-data-redis</artifactId>
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</dependency>
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<!-- 实现对 Spring Data Redis 的自动化配置 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-redis</artifactId>
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<exclusions>
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<!-- 去掉对 Lettuce 的依赖，因为 Spring Boot 优先使用 Lettuce 作为 Redis 客户端 -->
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<exclusion>
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<groupId>io.lettuce</groupId>
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<artifactId>lettuce-core</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<!-- 引入 Jedis 的依赖，这样 Spring Boot 实现对 Jedis 的自动化配置 -->
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<dependency>
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<groupId>redis.clients</groupId>
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<artifactId>jedis</artifactId>
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</dependency>
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</dependencies>
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</project>

‎lab-26/lab-26-distributed-session-01/src/main/java/cn/iocoder/springboot/lab26/distributedsession/config/SessionConfiguration.java

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package cn.iocoder.springboot.lab26.distributedsession.config;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.redis.serializer.RedisSerializer;
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import org.springframework.session.data.redis.RedisOperationsSessionRepository;
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import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
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import org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration;
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@Configuration
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@EnableRedisHttpSession // 自动化配置 Spring Session 使用 Redis 作为数据源
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public class SessionConfiguration {
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/**
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* 创建 {@link RedisOperationsSessionRepository} 使用的 RedisSerializer Bean 。
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*
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* 具体可以看看 {@link RedisHttpSessionConfiguration#setDefaultRedisSerializer(RedisSerializer)} 方法，
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* 它会引入名字为 "springSessionDefaultRedisSerializer" 的 Bean 。
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*
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* @return RedisSerializer Bean
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*/
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@Bean(name = "springSessionDefaultRedisSerializer")
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public RedisSerializer springSessionDefaultRedisSerializer() {
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return RedisSerializer.json();
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}
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}

‎lab-26/lab-26-distributed-session-01/src/main/resources/application.yaml

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spring:
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# 对应 RedisProperties 类
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redis:
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host: 127.0.0.1
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port: 6379
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password: # Redis 服务器密码，默认为空。生产中，一定要设置 Redis 密码！
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database: 0 # Redis 数据库号，默认为 0 。
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timeout: 0 # Redis 连接超时时间，单位：毫秒。
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# 对应 RedisProperties.Jedis 内部类
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jedis:
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pool:
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max-active: 8 # 连接池最大连接数，默认为 8 。使用负数表示没有限制。
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max-idle: 8 # 默认连接数最大空闲的连接数，默认为 8 。使用负数表示没有限制。
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min-idle: 0 # 默认连接池最小空闲的连接数，默认为 0 。允许设置 0 和 正数。
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max-wait: -1 # 连接池最大阻塞等待时间，单位：毫秒。默认为 -1 ，表示不限制。

‎lab-26/lab-26-distributed-session-02/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.10.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>lab-26-distributed-session-02</artifactId>
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<dependencies>
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<!-- 实现对 Spring MVC 的自动化配置 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- 实现对 Spring Session 使用 MongoDB 作为数据源的自动化配置 -->
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<dependency>
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<groupId>org.springframework.session</groupId>
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<artifactId>spring-session-data-mongodb</artifactId>
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</dependency>
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<!-- 自动化配置 Spring Data Mongodb -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-mongodb</artifactId>
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</dependency>
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</dependencies>
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</project>

‎lab-26/lab-26-distributed-session-02/src/main/java/cn/iocoder/springboot/lab26/distributedsession/Application.java

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package cn.iocoder.springboot.lab26.distributedsession;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class Application {
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public static void main(String[] args) {
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SpringApplication.run(Application.class, args);
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}
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}

‎lab-26/lab-26-distributed-session-02/src/main/java/cn/iocoder/springboot/lab26/distributedsession/config/SessionConfiguration.java

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package cn.iocoder.springboot.lab26.distributedsession.config;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.session.data.mongo.AbstractMongoSessionConverter;
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import org.springframework.session.data.mongo.JacksonMongoSessionConverter;
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import org.springframework.session.data.mongo.config.annotation.web.http.EnableMongoHttpSession;
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@Configuration
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@EnableMongoHttpSession // 自动化配置 Spring Session 使用 MongoDB 作为数据源
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public class SessionConfiguration {
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@Bean
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public AbstractMongoSessionConverter mongoSessionConverter() {
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return new JacksonMongoSessionConverter();
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}
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}

‎lab-26/lab-26-distributed-session-02/src/main/java/cn/iocoder/springboot/lab26/distributedsession/controller/SessionController.java

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package cn.iocoder.springboot.lab26.distributedsession.controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import javax.servlet.http.HttpSession;
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.util.Map;
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@RestController
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@RequestMapping("/session")
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public class SessionController {
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@GetMapping("/set") // 其实 PostMapping 更合适，单纯为了方便
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public void set(HttpSession session,
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@RequestParam("key") String key,
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@RequestParam("value") String value) {
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session.setAttribute(key, value);
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}
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@GetMapping("/get_all")
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public Map<String, Object> getAll(HttpSession session) {
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Map<String, Object> result = new HashMap<>();
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// 遍历
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for (Enumeration<String> enumeration = session.getAttributeNames();
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enumeration.hasMoreElements();) {
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String key = enumeration.nextElement();
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Object value = session.getAttribute(key);
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result.put(key, value);
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}
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// 返回
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return result;
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}
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}

‎lab-26/lab-26-distributed-session-02/src/main/resources/application.yaml

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spring:
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data:
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# MongoDB 配置项，对应 MongoProperties 类
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mongodb:
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host: 127.0.0.1
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port: 27017
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database: yourdatabase
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username: test01
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password: password01
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# 上述属性，也可以只配置 uri
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logging:
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level:
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org:
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springframework:
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data:
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mongodb:
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core: DEBUG # 打印 mongodb 操作的具体语句。生产环境下，不建议开启。

‎lab-26/lab-26-distributed-session-springsecurity/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.10.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>lab-26-distributed-session-springsecurity</artifactId>
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<dependencies>
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<!-- 实现对 Spring MVC 的自动化配置 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<!-- 实现对 Spring Session 使用 Redis 作为数据源的自动化配置 -->
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<dependency>
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<groupId>org.springframework.session</groupId>
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<artifactId>spring-session-data-redis</artifactId>
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</dependency>
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<!-- 实现对 Spring Data Redis 的自动化配置 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-data-redis</artifactId>
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<exclusions>
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<!-- 去掉对 Lettuce 的依赖，因为 Spring Boot 优先使用 Lettuce 作为 Redis 客户端 -->
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<exclusion>
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<groupId>io.lettuce</groupId>
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<artifactId>lettuce-core</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<!-- 引入 Jedis 的依赖，这样 Spring Boot 实现对 Jedis 的自动化配置 -->
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<dependency>
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<groupId>redis.clients</groupId>
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<artifactId>jedis</artifactId>
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</dependency>
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<!-- 实现对 Spring Security 的自动化配置 -->
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-security</artifactId>
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</dependency>
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</dependencies>
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</project>

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