实例代码：
package com.bijian.study;
import java.util.ArrayList;
import java.util.List;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
public class TestPool {
private Jedis jedis;
private JedisPool jedisPool;
private ShardedJedis shardedJedis;
private ShardedJedisPool shardedJedisPool;
public TestPool() {
initialPool();
initialShardedPool();
shardedJedis = shardedJedisPool.getResource();
jedis = jedisPool.getResource();
}
private void initialPool() {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000);
config.setTestOnBorrow(false);
jedisPool = new JedisPool(config, "192.168.128.129", 6379);
}
private void initialShardedPool() {
// 池基本配置
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxActive(20);
config.setMaxIdle(5);
config.setMaxWait(1000l);
config.setTestOnBorrow(false);
// slave链接
List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();
shards.add(new JedisShardInfo("192.168.128.129", 6379, "master"));
// 构造池
shardedJedisPool = new ShardedJedisPool(config, shards);
}
public static void main(String[] args) {
new TestPool().show();
}
public void show() {
testKey();
testString();
testList();
testSet();
testSortedSet();
shardedJedisPool.returnResource(shardedJedis);
jedisPool.returnResource(jedis);// add by lhs
}
private void testKey() {
System.out.println("=============key==========================");
// 清空数据
System.out.println(jedis.flushDB());//OK
System.out.println(jedis.echo("foo"));//foo
// 判断key否存在
System.out.println(shardedJedis.exists("foo"));//false
shardedJedis.set("key", "values");
System.out.println(shardedJedis.exists("key"));//true
}
private void testString() {
System.out.println("=============String==========================");
// 清空数据
System.out.println(jedis.flushDB());//OK
// 存储数据
shardedJedis.set("foo", "bar");
System.out.println(shardedJedis.get("foo"));//bar
// 若key不存在，则存储
shardedJedis.setnx("foo", "foo not exits");
System.out.println(shardedJedis.get("foo"));//bar
// 覆盖数据
shardedJedis.set("foo", "foo update");
System.out.println(shardedJedis.get("foo"));//foo update
// 追加数据
shardedJedis.append("foo", " hello, world");
System.out.println(shardedJedis.get("foo"));//foo update hello, world
// 设置key的有效期，并存储数据
shardedJedis.setex("foo", 2, "foo not exits");
System.out.println(shardedJedis.get("foo"));//foo not exits
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
}
System.out.println(shardedJedis.get("foo"));//null
// 获取并更改数据
shardedJedis.set("foo", "foo update");
System.out.println(shardedJedis.getSet("foo", "foo modify"));//foo update
// 截取value的值
System.out.println(shardedJedis.getrange("foo", 1, 3));//oo
System.out.println(jedis.mset("mset1", "mvalue1", "mset2", "mvalue2",
"mset3", "mvalue3", "mset4", "mvalue4"));//OK
System.out.println(jedis.mget("mset1", "mset2", "mset3", "mset4"));//[mvalue1,mvalue2,mvalue3,mvalue4]
System.out.println(jedis.del(new String[] { "foo", "foo1", "foo3" }));//1
}
private void testList() {
System.out.println("=============list==========================");
// 清空数据
System.out.println(jedis.flushDB());//OK
// 添加数据
shardedJedis.lpush("lists", "80");
shardedJedis.lpush("lists", "75");
shardedJedis.lpush("lists", "100");
// 数组长度
System.out.println(shardedJedis.llen("lists"));//3
// 排序
System.out.println(shardedJedis.sort("lists"));//[75,80,100]
// 字串
System.out.println(shardedJedis.lrange("lists", 0, 3));//[100,75,80]
// 修改列表中单个值
shardedJedis.lset("lists", 0, "hello list!");
// 获取列表指定下标的值
System.out.println(shardedJedis.lindex("lists", 1));//75
// 删除列表指定下标的值
System.out.println(shardedJedis.lrem("lists", 1, "80"));//1
// 删除区间以外的数据[保留指定key的值范围内的数据]
System.out.println(shardedJedis.ltrim("lists", 0, 1));//OK
// 列表出栈
System.out.println(shardedJedis.lpop("lists"));//hello list!
// 整个列表值
System.out.println(shardedJedis.lrange("lists", 0, -1));//[75]
}
private void testSet() {
System.out.println("=============set==========================");
// 清空数据
System.out.println(jedis.flushDB());//OK
// 添加数据
shardedJedis.sadd("sets", "HashSet");
shardedJedis.sadd("sets", "SortedSet");
shardedJedis.sadd("sets", "TreeSet");
// 判断value是否在列表中
System.out.println(shardedJedis.sismember("sets", "TreeSet"));//true
// 整个列表值
System.out.println(shardedJedis.smembers("sets"));//[SortedSet, TreeSet, HashSet]
// 删除指定元素
System.out.println(shardedJedis.srem("sets", "SortedSet"));//1
// 出栈
System.out.println(shardedJedis.spop("sets"));//TreeSet
System.out.println(shardedJedis.smembers("sets"));//[HashSet]
shardedJedis.sadd("sets1", "HashSet1");
shardedJedis.sadd("sets1", "SortedSet1");
shardedJedis.sadd("sets1", "TreeSet");
shardedJedis.sadd("sets2", "HashSet2");
shardedJedis.sadd("sets2", "SortedSet1");
shardedJedis.sadd("sets2", "TreeSet1");
// 交集
System.out.println(jedis.sinter("sets1", "sets2"));//[SortedSet1]
// 并集
System.out.println(jedis.sunion("sets1", "sets2"));//[HashSet2, HashSet1, TreeSet1, SortedSet1, TreeSet]
// 差集
System.out.println(jedis.sdiff("sets1", "sets2"));//[TreeSet, HashSet1]
}
private void testSortedSet() {
System.out.println("=============zset==========================");
// 清空数据
System.out.println(jedis.flushDB());//OK
// 添加数据
shardedJedis.zadd("zset", 10.1, "hello");
shardedJedis.zadd("zset", 10.0, ":");
shardedJedis.zadd("zset", 9.0, "zset");
shardedJedis.zadd("zset", 11.0, "zset!");
// 元素个数
System.out.println(shardedJedis.zcard("zset"));//4
// 元素下标
System.out.println(shardedJedis.zscore("zset", "zset"));//9.0
// 集合子集
System.out.println(shardedJedis.zrange("zset", 0, -1));//[zset, :, hello, zset!]
// 删除元素
System.out.println(shardedJedis.zrem("zset", "zset!"));//1
// 返回集合中score在给定区间的数量
System.out.println(shardedJedis.zcount("zset", 9.5, 10.5));//2
// 整个集合值
System.out.println(shardedJedis.zrange("zset", 0, -1));//[zset, :, hello]
}
}
运行结果：
=============key========================== OK foo false true =============String========================== OK bar bar foo update foo update hello, world foo not exits null foo update oo OK [mvalue1, mvalue2, mvalue3, mvalue4] 1 =============list========================== OK 3 [75, 80, 100] [100, 75, 80] 75 1 OK hello list! [75] =============set========================== OK true [SortedSet, TreeSet, HashSet] 1 TreeSet [HashSet] [SortedSet1] [HashSet2, HashSet1, TreeSet1, SortedSet1, TreeSet] [TreeSet, HashSet1] =============zset========================== OK 4 9.0 [zset, :, hello, zset!] 1 2 [zset, :, hello]
PS：如上实例是基于jedis-2.0.0.jar、commons-pool-1.6.jar运行的。
文章来源：http://blog.sina.com.cn/s/blog_5d97745a01018gsh.html