spring 和redis整合，java代码操作redis，java代码中选择redis制定数据库

package com.sxdax.common.redis.config; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; /** * redis 配置类 * @author back * @version 1.0 */ @Configuration public class RedisConfig { private static final String singHosts = "127.0.0.1"; private static final Integer singPort = 3860; private static final String clusterHostAndPort = "127.0.0.1:3860,192.168.1.100:3860"; @Bean(name="jedisPoolConfig") public JedisPoolConfig getJedisPoolConfig() { JedisPoolConfig bean = new JedisPoolConfig(); bean.setMaxTotal(300); // 最大连接数 bean.setMaxIdle(50); // 最大空闲连接数 bean.setNumTestsPerEvictionRun(1024); // 每次释放连接的最大数目 bean.setTimeBetweenEvictionRunsMillis(30000); // 释放连接的扫描间隔（毫秒） bean.setMinEvictableIdleTimeMillis(1800000); // 连接最小空闲时间 bean.setSoftMinEvictableIdleTimeMillis(10000); // 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 bean.setMaxWaitMillis(1500); // 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 bean.setTestOnBorrow(true); // 在获取连接的时候检查有效性, 默认false bean.setTestWhileIdle(true); // 在空闲时检查有效性, 默认false bean.setBlockWhenExhausted(false); // 连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true return bean; } @Bean(name="jedisPool") public JedisPool getJedisPool(JedisPoolConfig jedisPoolConfig) { JedisPool jedisPool = new JedisPool(jedisPoolConfig, singHosts, singPort); return jedisPool; } /* @Bean(name="jedisCluster") public JedisCluster getJedisCluster() { try { Set<HostAndPort> nodes = new HashSet<HostAndPort>(); String[] hostsArray = clusterHostAndPort.split(","); List<String> hostsList = Arrays.asList(hostsArray); if(null != hostsList && hostsList.size() > 0) { for(String s : hostsList) { String[] temp = s.split(":"); HostAndPort hostAndPort = new HostAndPort(temp[0],Integer.parseInt(temp[1])); nodes.add(hostAndPort); } } JedisCluster jedisCluster = new JedisCluster(nodes); return jedisCluster; } catch (NumberFormatException e) { System.out.println("解析 redis 集群 配置文件失败"+ e); return null; } }*/ }