java 操作redist

public class JedisTest {
  @Test
  public void testJedisSingle() {
    // 创建一个jedis的对象
    Jedis jedis = new Jedis("192.168.1.104", 6379);
    // 调用jedis对象的方法,方法名称和redis的命令一致
    jedis.set("key1", "jedis test");
    String str = jedis.get("key1");
    System.out.println(str);
    // 关闭jedis
    jedis.close();
  }

  // 使用连接池
  @Test
  public void testJedisPool() {
    // 创建连接池
    JedisPool pool = new JedisPool("192.168.1.104", 6379);
    Jedis jedis = pool.getResource();
    String str = jedis.get("key1");
    System.out.println(str);
    // 关闭jedis
    jedis.close();
  }
  /**
   * 集群连接
   */
  @Test
  public  void testJedisCluster(){
    Set<HostAndPort> nodes = new HashSet<>();
    nodes.add(new HostAndPort("192.168.1.104",7001));
    nodes.add(new HostAndPort("192.168.1.104",7002));
    nodes.add(new HostAndPort("192.168.1.104",7003));
    nodes.add(new HostAndPort("192.168.1.104",7004));
    nodes.add(new HostAndPort("192.168.1.104",7005));
    nodes.add(new HostAndPort("192.168.1.104",7006));
    JedisCluster jedisCluster = new JedisCluster(nodes);
    jedisCluster.append("key1", "100");
    String string = jedisCluster.get("key1");
    System.out.println(string);
    jedisCluster.close();
  }

单机版

spring 整合redis

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
  xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
  http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

  
  <!-- 连接池配置 -->
  <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
    <!-- 最大连接数 -->
    <property name="maxTotal" value="30" />
    <!-- 最大空闲连接数 -->
    <property name="maxIdle" value="10" />
    <!-- 每次释放连接的最大数目 -->
    <property name="numTestsPerEvictionRun" value="1024" />
    <!-- 释放连接的扫描间隔（毫秒） -->
    <property name="timeBetweenEvictionRunsMillis" value="30000" />
    <!-- 连接最小空闲时间 -->
    <property name="minEvictableIdleTimeMillis" value="1800000" />
    <!-- 连接空闲多久后释放, 当空闲时间>该值 且 空闲连接>最大空闲连接数 时直接释放 -->
    <property name="softMinEvictableIdleTimeMillis" value="10000" />
    <!-- 获取连接时的最大等待毫秒数,小于零:阻塞不确定的时间,默认-1 -->
    <property name="maxWaitMillis" value="1500" />
    <!-- 在获取连接的时候检查有效性, 默认false -->
    <property name="testOnBorrow" value="true" />
    <!-- 在空闲时检查有效性, 默认false -->
    <property name="testWhileIdle" value="true" />
    <!-- 连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true -->
    <property name="blockWhenExhausted" value="false" />
  </bean>
  <!-- jedis客户端单机版 -->
  <bean id="redisClient" class="redis.clients.jedis.JedisPool">
    <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
    <constructor-arg name="port" value="6379"></constructor-arg>
    <constructor-arg name="poolConfig" ref="jedisPoolConfig"></constructor-arg>
  </bean>

java代码

@Test
  public void testSpringJedisSingle(){
    ApplicationContext applicationContext = new ClassPathXmlApplicationContext("classpath:spring/applicationContext-jedis.xml");
    JedisPool jedisPool =(JedisPool) applicationContext.getBean("redisClient");
      Jedis jedis = jedisPool.getResource();
      String string = jedis.get("key1");
      System.out.println(string);
      jedis.close();
      jedisPool.close();
  }

集群版

<bean id="redisClient" class="redis.clients.jedis.JedisCluster">
    <constructor-arg name="nodes">
      <set>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7001"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7002"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7003"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7004"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7005"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7006"></constructor-arg>
        </bean>
      </set>
    </constructor-arg>
    <constructor-arg name="poolConfig" ref="jedisPoolConfig"></constructor-arg>
  </bean>

java代码

@Test
  public void testSpringJedisCluster(){
    ApplicationContext applicationContext = new ClassPathXmlApplicationContext("classpath:spring/applicationContext-jedis.xml");
    JedisCluster jedisCluster = (JedisCluster) applicationContext.getBean("redisClient");
    jedisCluster.set("key1", "101");
    String string = jedisCluster.get("key1");
    System.out.println(string);
    jedisCluster.

dao

public interface JedisClient {
  String get(String key);
  String set(String key,String value);
  String hget(String hkey,String key);
  long hset(String hkey,String key,String value);
  long incr(String key);
  long expire(String key,int second);
  long ttl(String key);
  long del(String key);
  long hdel(String hkey,String key);
}

集群dao

public class JedisClientCluster implements JedisClient{

  @Autowired
  private JedisCluster jedisCluster;
  @Override
  public String get(String key) {
    
    return jedisCluster.get(key);
  }

  @Override
  public String set(String key, String value) {
  
    return jedisCluster.set(key, value);
  }

  @Override
  public String hget(String hkey, String key) {
  
    return jedisCluster.hget(hkey, key);
  }

  @Override
  public long hset(String hkey, String key, String value) {
    return jedisCluster.hset(hkey, key, value);
  }

  @Override
  public long incr(String key) {
    return jedisCluster.incr(key);
  }

  @Override
  public long expire(String key, int second) {
    return jedisCluster.expire(key, second);
  }

  @Override
  public long ttl(String key) { 
    return jedisCluster.ttl(key);
  }

  @Override
  public long del(String key) {
    // TODO Auto-generated method stub
    return jedisCluster.del(key);
  }

  @Override
  public long hdel(String hkey, String key) {
    // TODO Auto-generated method stub
    return jedisCluster.hdel(hkey, key);
  }

}

单机dao

public class JedisClientSingle implements JedisClient{


  @Autowired
  private JedisPool jedisPool;
  @Override
  public String get(String key) {
    Jedis jedis = jedisPool.getResource();
    String string = jedis.get(key);
    jedis.close();
    return string;
  }


  @Override
  public String set(String key, String value) {
    Jedis jedis = jedisPool.getResource();
    String string = jedis.set(key,value);
    jedis.close();
    return string;
  }


  @Override
  public String hget(String hkey, String key) {
    Jedis jedis = jedisPool.getResource();
    String string = jedis.hget(hkey,key);
    jedis.close();
    return string;
  }


  @Override
  public long hset(String hkey, String key, String value) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.hset(hkey,key,value);
    jedis.close();
    return result;
  }


  @Override
  public long incr(String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.incr(key);
    jedis.close();
    return result;
  }


  @Override
  public long expire(String key, int second) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.expire(key, second);
    jedis.close();
    return result;
  }


  @Override
  public long ttl(String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.ttl(key);
    jedis.close();
    return result;
  }


  @Override
  public long del(String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.del(key);
    jedis.close();
    return result;
  }


  @Override
  public long hdel(String hkey, String key) {
    Jedis jedis = jedisPool.getResource();
    Long result = jedis.hdel(hkey,key);
    jedis.close();
    return result;
  }


}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"
  xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
  http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
  http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd
  http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

  
  <!-- 连接池配置 -->
  <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
    <!-- 最大连接数 -->
    <property name="maxTotal" value="30" />
    <!-- 最大空闲连接数 -->
    <property name="maxIdle" value="10" />
    <!-- 每次释放连接的最大数目 -->
    <property name="numTestsPerEvictionRun" value="1024" />
    <!-- 释放连接的扫描间隔（毫秒） -->
    <property name="timeBetweenEvictionRunsMillis" value="30000" />
    <!-- 连接最小空闲时间 -->
    <property name="minEvictableIdleTimeMillis" value="1800000" />
    <!-- 连接空闲多久后释放, 当空闲时间>该值 且 空闲连接>最大空闲连接数 时直接释放 -->
    <property name="softMinEvictableIdleTimeMillis" value="10000" />
    <!-- 获取连接时的最大等待毫秒数,小于零:阻塞不确定的时间,默认-1 -->
    <property name="maxWaitMillis" value="1500" />
    <!-- 在获取连接的时候检查有效性, 默认false -->
    <property name="testOnBorrow" value="true" />
    <!-- 在空闲时检查有效性, 默认false -->
    <property name="testWhileIdle" value="true" />
    <!-- 连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true -->
    <property name="blockWhenExhausted" value="false" />
  </bean>
  <!-- jedis客户端单机版 -->
  <bean id="redisClient" class="redis.clients.jedis.JedisPool">
    <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
    <constructor-arg name="port" value="6379"></constructor-arg>
    <constructor-arg name="poolConfig" ref="jedisPoolConfig"></constructor-arg>
  </bean>
  <bean id="jedisClient" class="com.taotao.rest.dao.impl.JedisClientSingle">
  </bean>
  
<!--  <bean id="redisClient" class="redis.clients.jedis.JedisCluster">
    <constructor-arg name="nodes">
      <set>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7001"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7002"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7003"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7004"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7005"></constructor-arg>
        </bean>
        <bean class="redis.clients.jedis.HostAndPort">
          <constructor-arg name="host" value="192.168.1.104"></constructor-arg>
          <constructor-arg name="port" value="7006"></constructor-arg>
        </bean>
      </set>
    </constructor-arg>
    <constructor-arg name="poolConfig" ref="jedisPoolConfig"></constructor-arg>
  </bean>
  <bean id ="jedisCluster" class="com.taotao.rest.dao.impl.JedisClientCluster"></bean> -->

</beans>

程序连不上redis 有可能 redis.conf 没有绑定

192.168.1.104