Spring Boot—19Session

pom.xm

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
    <groupId>org.apache.commons</groupId>
    <artifactId>commons-pool2</artifactId>
    <version>2.5.0</version>
</dependency>
<dependency>
    <groupId>org.springframework.session</groupId>
    <artifactId>spring-session-data-redis</artifactId>
</dependency>

application.properties

#
server.address=0.0.0.0
server.port=8080
server.servlet.context-path=/test
server.session.timeout=300
server.error.path=/error
#
server.tomcat.accesslog.enabled=true
server.tomcat.accesslog.buffered=true
server.tomcat.accesslog.directory=D:/Project/JavaWeb/SpringBoot/04JPASpringBoot/logs
#
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=Asia/Shanghai
#
spring.thymeleaf.cache=true
spring.thymeleaf.enabled=true

file.upload.path=D:/Project/JavaWeb/SpringBoot/04JPASpringBoot/fileUpLoad

spring.servlet.multipart.enabled=true
spring.servlet.multipart.file-size-threshold=0
spring.servlet.multipart.location=D:/Project/JavaWeb/SpringBoot/04JPASpringBoot/temp
spring.servlet.multipart.max-file-size=10MB
spring.servlet.multipart.max-request-size=10MB
spring.servlet.multipart.resolve-lazily=false


spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.druid.one.url=jdbc:mysql://127.0.0.1:3306/test?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=false
spring.datasource.druid.one.username=root
spring.datasource.druid.one.password=gis
spring.datasource.druid.one.driver-class-name=com.mysql.cj.jdbc.Driver

##Druid
spring.datasource.druid.one.initial-size=2
spring.datasource.druid.one.max-active=5
spring.datasource.druid.one.min-idle=1
spring.datasource.druid.one.max-wait=60000
spring.datasource.druid.one.pool-prepared-statements=true
spring.datasource.druid.one.max-pool-prepared-statement-per-connection-size=20
spring.datasource.druid.one.validation-query=SELECT 1 FROM DUAL
spring.datasource.druid.one.validation-query-timeout=60000
spring.datasource.druid.one.test-on-borrow=false
spring.datasource.druid.one.test-on-return=false
spring.datasource.druid.one.test-while-idle=true
spring.datasource.druid.one.time-between-eviction-runs-millis=60000
spring.datasource.druid.one.min-evictable-idle-time-millis=100000
#spring.datasource.druid.one.max-evictable-idle-time-millis=
spring.datasource.druid.one.filters=stat,wall,log
spring.datasource.druid.one.logSlowSql=true

#
# debug=true # Enable debug logs.
# trace=true # Enable trace logs.

# LOGGING
logging.config=classpath:logback.xml

spring.redis.host=127.0.0.1
spring.redis.password=gis
spring.redis.port=6379
spring.redis.pool.max-active=8
spring.redis.jedis.pool.max-active=8
spring.redis.jedis.pool.max-idle=8
spring.redis.jedis.pool.max-wait=-1ms
spring.redis.jedis.pool.min-idle=0
spring.redis.lettuce.pool.max-active=8
spring.redis.lettuce.pool.max-idle=8
spring.redis.lettuce.pool.max-wait=-1ms
spring.redis.lettuce.pool.min-idle=0
spring.redis.lettuce.shutdown-timeout=100ms
spring.redis.ssl=false
spring.redis.timeout=5000

redis.message.topic=spring.news.*

# Cache
spring.cache.type=Redis
spring.cache.redis.cache-null-values=true
spring.cache.redis.key-prefix=spring:cache:
spring.cache.redis.time-to-live=0ms
spring.cache.redis.use-key-prefix=true

# Session
spring.session.store-type=Redis
spring.session.redis.flush-mode=IMMEDIATE

Redis的Session配置类RedisSessionManagerConfiguration，主要是实现JSON格式的系列化

package com.smartmap.sample.test.conf;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;

@Configuration
public class RedisSessionManagerConfiguration {

    @Bean(name = "springSessionDefaultRedisSerializer")
    public RedisSerializer<?> getRedisSerializer() {
        return new GenericJackson2JsonRedisSerializer();
    }
}

RedisTemplate的配置

package com.smartmap.sample.test.conf;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
public class RedisConfiguration {

    @Bean
    public RedisTemplate<String, Object> stringJsonRedisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<String, Object> template = new RedisTemplate<String, Object>();
        template.setConnectionFactory(redisConnectionFactory);
        template.setDefaultSerializer(new GenericJackson2JsonRedisSerializer());
        RedisSerializer<String> stringSerializer = new StringRedisSerializer();
        template.setKeySerializer(stringSerializer);
        template.setHashKeySerializer(stringSerializer);
        return template;
    }

}

Redis缓存配置RedisCacheManagerCustomizer

package com.smartmap.sample.test.conf;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.cache.RedisCacheManager.RedisCacheManagerBuilder;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializationContext.SerializationPair;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;

@Configuration
public class RedisCacheManagerCustomizer {

    @Value("${spring.cache.redis.key-prefix}")
    private String keyPrefix;

    @Bean
    public RedisCacheConfiguration redisCacheConfiguration() {        
        GenericJackson2JsonRedisSerializer genericJackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer();
        return RedisCacheConfiguration.defaultCacheConfig()
                .serializeKeysWith(
                        RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()))
                .serializeValuesWith(
                        RedisSerializationContext.SerializationPair.fromSerializer(genericJackson2JsonRedisSerializer))
                .prefixKeysWith(keyPrefix);
    }

    /*@Bean
    public RedisCacheManager getRedisCacheManager(RedisConnectionFactory connectionFactory) {

        RedisCacheManagerBuilder redisCacheManagerBuilder = RedisCacheManagerBuilder.fromConnectionFactory(connectionFactory);
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig();
        // Key
        RedisSerializer<String> redisSerializerKey = new StringRedisSerializer();
        SerializationPair<String> serializationPairKey = SerializationPair.fromSerializer(redisSerializerKey);
        // Value
        ObjectMapper objectMapper = new ObjectMapper();
        objectMapper.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
        objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
        Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<Object>(
                Object.class);
        jackson2JsonRedisSerializer.setObjectMapper(objectMapper);
        //
        GenericJackson2JsonRedisSerializer genericJackson2JsonRedisSerializer = new GenericJackson2JsonRedisSerializer(
                objectMapper);
        //RedisSerializer<Object> redisSerializerValue = jackson2JsonRedisSerializer; 
        //
        RedisSerializer<Object> redisSerializerValue = genericJackson2JsonRedisSerializer;
        //
        SerializationPair<Object> serializationPairValue = SerializationPair.fromSerializer(redisSerializerValue);
        //RedisSerializationContext.SerializationPair<Object> serializationPairValue = RedisSerializationContext.SerializationPair.fromSerializer(redisSerializerValue); //
        redisCacheConfiguration.serializeKeysWith(serializationPairKey);
        redisCacheConfiguration.serializeValuesWith(serializationPairValue);
        redisCacheManagerBuilder.cacheDefaults(redisCacheConfiguration);
        RedisCacheManager redisCacheManager = redisCacheManagerBuilder.build(); //
        return redisCacheManager;
    }*/

}

缓存测试的Controller

package com.smartmap.sample.test.controller.rest;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.smartmap.sample.test.entity.User;

@RestController
@RequestMapping("/api/v1.1/system/session")
public class SessionController {
    final Log log = LogFactory.getLog(SessionController.class);
    
    @Autowired
    RedisTemplate<String, Object> redisTemplate;
        
    /**
     * curl -XPOST 'http://127.0.0.1:8080/test/api/v1.1/system/session/addSessionInfo'
     * -H'Content-type:application/json;charset=UTF-8' -d ' { "id":123, "name":"123" }'
     * @param request
     * @param user
     * @return
     */
    @PostMapping("/addSessionInfo") 
    public User putSession(HttpServletRequest request, @RequestBody User user ){
        HttpSession session = request.getSession();
        log.info(session.getClass());
        log.info(session.getId());        
        session.setAttribute("user", user);
        redisTemplate.opsForValue().set("spring:manager:user", user);
        return user;
    }
    
    /**
     * curl -XGET 'http://127.0.0.1:8080/test/api/v1.1/system/session/addSessionInfo/123/098'
     * @param request
     * @param user
     * @return
     */
    @GetMapping("/addSessionInfo/{userId}/{name}") 
    public User putSession(HttpServletRequest request, @PathVariable("userId") Long userId,  @PathVariable("name") String name){
        HttpSession session = request.getSession();
        User user = new User();
        user.setId(userId);
        user.setName(name);
        log.info(session.getClass());
        log.info(session.getId());        
        session.setAttribute("user", user);
        redisTemplate.opsForValue().set("spring:manager:user", user);
        return user;
    }
    
    /**
     * curl -XGET 'http://127.0.0.1:8080/test/api/v1.1/system/session/getSessionInfo?userId=123'
     * @param request
     * @param userId
     * @return
     */
    @GetMapping("/getSessionInfo") 
    public User getSession(HttpServletRequest request, @RequestParam("userId") String userId){
        log.info(request.getRemoteAddr());
        HttpSession session = request.getSession();
        User user = (User)session.getAttribute("user");
        User userOther = (User)redisTemplate.opsForValue().get("spring:manager:user");
        log.info(userOther.getName());
        return user;
    }
        
}

启动两个应用

java -jar test.session-0.1.0.jar –-server.port=9000

java -jar test.session-0.1.0.jar –-server.port=9001

配置前端的Nginx来作为反向代理

upstream backend {
         server 127.0.0.1:9000;
         server 127.0.0.1:9001;
}

server {
    listen       80;
    server_name  localhost;

    #charset koi8-r;

    #access_log  logs/host.access.log  main;
     location / {
        proxy_pass   http://backend;
        index  index.html index.htm;
    }
    
    #location /Resource {
    #    #add_header 'Access-Control-Allow-Origin' '*';
    #    #add_header 'Access-Control-Allow-Credentials' 'true';
    #    #add_header 'Access-Control-Allow-Headers' '*';
    #    #add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,DELETE,PUT';
    #    root   D:/Project;
    #    index  index.html index.htm;
    #}

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   html;
    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    #location ~ \.php$ {
    #    root           html;
    #    fastcgi_pass   127.0.0.1:9000;
    #    fastcgi_index  index.php;
    #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
    #    include        fastcgi_params;
    #}

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    #location ~ /\.ht {
    #    deny  all;
    #}    
    
}

访问服务（用浏览器）

http://127.0.0.1/test/api/v1.1/system/session/addSessionInfo/123/098

http://127.0.0.1/test/api/v1.1/system/session/getSessionInfo?userId=123

Spring Boot—19Session

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