Java Redis Redisson配置教程详解

        <!--redis-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
                 <exclusions>
                     <exclusion>
                         <groupId>io.lettuce</groupId>
                         <artifactId>lettuce-core</artifactId>
                     </exclusion>
                 </exclusions>
        </dependency>
        <dependency>
            <groupId>redis.clients</groupId>
            <artifactId>jedis</artifactId>
        </dependency>
        <!--     多台相同应用(负载均),Session共享  -->
        <dependency>
            <groupId>org.springframework.session</groupId>
            <artifactId>spring-session-data-redis</artifactId>
        </dependency>
        <dependency>
            <groupId>org.redisson</groupId>
            <artifactId>redisson</artifactId>
            <version>3.17.5</version>
        </dependency>

spring:
  redis:
    host: 106.12.174.220
    port: 6379
    password: 123456           #没有密码就保留空
    timeout: 5000
    jedis:
       pool:
         max-active: 1000 # 池在给定时间可以分配的最大连接数。使用负值表示无限制。
         max-idle: 50  #池中“空闲”连接的最大数量。使用负值表示空闲连接的数量不受限制
         min-idle: 10  # 目标是池中要维护的最小空闲连接数。此设置只有在它和逐出运行之间的时间均为正值时才有效。
         max-wait: -1  # 在池耗尽时引发异常之前，连接分配应阻止的最长时间。使用负值无限期阻塞。
    redisson:
      tokenName: Authorization    # 用于分布式锁的唯一标识,一般使用token如果没有找到,就找sessionId
  session:
    store-type: redis   #设置session保存为默认redis的方式 ,可以解决分布式session不一致问题

import org.springframework.context.annotation.Configuration;
import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;

@Configuration
//设置session的默认在redis中的存活时间
@EnableRedisHttpSession(maxInactiveIntervalInSeconds = 7200)   //Session过期时间,2小时,默认1800秒(半小时)   -1 永不过期
public class SessionConfig {}

import org.springframework.session.web.context.AbstractHttpSessionApplicationInitializer;

//初始化Session配置
public class SessionInitializer extends AbstractHttpSessionApplicationInitializer {
    public SessionInitializer() {
        super(SessionConfig.class);
    }
}

import org.redisson.Redisson;
import org.redisson.api.RedissonClient;
import org.redisson.config.Config;
import org.redisson.config.SingleServerConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RedissonConfig {

    @Value("${spring.redis.host}")
    private String host;
    @Value("${spring.redis.port}")
    private String port;
    @Value("${spring.redis.password}")
    private String password;

    @Bean
    public RedissonClient getRedisson() {
        Config config = new Config();
        SingleServerConfig singleServerConfig = config.useSingleServer();
        singleServerConfig.setAddress("redis://" + host + ":" + port).setPassword(password);
        return Redisson.create(config);
    }

}

        Config config = new Config();
        config.useSingleServer().setAddress("redis://" + host + ":" + port).setPassword(password);

Config config = new Config();
config.useSentinelServers().addSentinelAddress(
        "redis://172.29.3.245:26378","redis://172.29.3.245:26379", "redis://172.29.3.245:26380")
        .setMasterName("mymaster")
        .setPassword("a123456");

        Config config = new Config();
        config.useMasterSlaveServers()
                //可以用"rediss://"来启用SSL连接
                .setMasterAddress("redis://192.168.81.145:6379")//主节点
                //从节点
                .addSlaveAddress("redis://192.168.81.146:6379")
                .addSlaveAddress("redis://192.168.81.148:6379")
                .setPassword("123456");

Config config = new Config();
config.useClusterServers()
    .setScanInterval(2000) // 集群状态扫描间隔时间，单位是毫秒
    .addNodeAddress("redis://127.0.0.1:7000")
    .addNodeAddress("redis://127.0.0.1:7001")
    .addNodeAddress("redis://127.0.0.1:7002")
    .setPassword("123456");

Config config1 = new Config();
config1.useSingleServer().setAddress("redis://172.29.1.180:5378")
        .setPassword("123456");
RedissonClient redissonClient1 = Redisson.create(config1);

Config config2 = new Config();
config2.useSingleServer().setAddress("redis://172.29.1.180:5379")
        .setPassword("123456");
RedissonClient redissonClient2 = Redisson.create(config2);

Config config3 = new Config();
config3.useSingleServer().setAddress("redis://172.29.1.180:5380")
        .setPassword("123456");
RedissonClient redissonClient3 = Redisson.create(config3);

String resourceName = "REDLOCK";
RLock lock1 = redissonClient1.getLock(resourceName);
RLock lock2 = redissonClient2.getLock(resourceName);
RLock lock3 = redissonClient3.getLock(resourceName);
// 同时给3个redis上锁
RedissonRedLock redLock = new RedissonRedLock(lock1, lock2, lock3);
boolean isLock;
try {
    isLock = redLock.tryLock(500, 30000, TimeUnit.MILLISECONDS);
    System.out.println("isLock = "+isLock);
    if (isLock) {
        //TODO if get lock success, do something;
        Thread.sleep(30000);
    }
} catch (Exception e) {
} finally {
    // 无论如何, 最后都要解锁
    System.out.println("");
    redLock.unlock();
}