redis客户端程序实例

package com.redis;import java.util.ArrayList;import java.util.List;import java.util.Set;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;import redis.clients.jedis.SortingParams;/** * Redis客户端 * @author woshiccna * */public class RedisClient {private Jedis jedis;  //非切片额客户端连接private JedisPool jedisPool;  //非切片连接池private ShardedJedis sharedJedis;  //切片额客户端连接private ShardedJedisPool shardedJedisPool;  //切片连接池public RedisClient() {initialPool();initialShardedPool();this.sharedJedis = this.shardedJedisPool.getResource();this.jedis = this.jedisPool.getResource();}/** * 初始化非切片连接池 */private void initialPool() {//池基本配置JedisPoolConfig config = new JedisPoolConfig();config.setMaxActive(20);config.setMaxIdle(5);config.setMaxWait(1000l);config.setTestOnBorrow(false);this.jedisPool = new JedisPool(config, "chaoren1", 6379);}/** * 初始化片池 */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连接List<JedisShardInfo> shards = new ArrayList<JedisShardInfo>();shards.add(new JedisShardInfo("chaoren1", 6379, "master"));//构造池this.shardedJedisPool = new ShardedJedisPool(config, shards);}public void show() {//keyOperate();//stringOperate();//listOperate();//setOperate();//sortedSetOperate();hashOperate();jedisPool.returnResource(this.jedis);this.shardedJedisPool.returnResource(this.sharedJedis);}private void keyOperate() {System.out.println("==========key==========");//清空数据System.out.println("清空库中的所有数据:" + this.jedis.flushDB());//System.out.println("判断key999键是否存在:" + this.jedis.exists("key999"));System.out.println("新增key001,value001键值对:" + this.sharedJedis.set("key001", "value001"));System.out.println("判断key001键是否存在:" + this.jedis.exists("key001"));System.out.println("新增key002,value002键值对:" + this.sharedJedis.set("key002", "value002"));//输出所有的keySet<String> keys = this.jedis.keys("*");for (String key : keys) {System.out.println(key);}//删除某个key，如果该key不存在，则忽略该命令System.out.println("删除掉key002键:" + this.jedis.del("key002"));System.out.println("判断key002键是否存在:" + this.sharedJedis.exists("key002"));//设置key001的过期时间为5sSystem.out.println("设置key001的过期时间为5s:" + this.jedis.expire("key001", 5));try {Thread.currentThread().sleep(2000);} catch (InterruptedException e) {e.printStackTrace();}//查看某个key的生存时间，永久生存或者不存在返回-1System.out.println("查看key001的剩余生存时间:" + this.jedis.ttl("key001"));//移除某个key的生存时间System.out.println("移除key001键的生存时间:" + this.jedis.persist("key001"));System.out.println("查看key001的剩余生存时间:" + this.jedis.ttl("key001"));//查看key所存储值的类型System.out.println("查看key001存储值的类型:" + this.jedis.type("key001"));}private void stringOperate() {//清空数据System.out.println("清空数据:" + this.jedis.flushDB());//增System.out.println("=======增========");this.jedis.set("key001", "value001");this.jedis.set("key002", "value002");this.jedis.set("key003", "value003");//已增加的三个值入下System.out.println(this.jedis.get("key001"));System.out.println(this.jedis.get("key002"));System.out.println(this.jedis.get("key003"));//删除System.out.println("删除key003键值对：" + this.jedis.del("key003"));System.out.println("获得key003的键值" + this.jedis.get("key003"));//改//1、直接覆盖原来的数据System.out.println("直接覆盖key001原来的数据：" + this.jedis.set("key001", "value-update"));System.out.println("获取key001对应的新值：" + this.jedis.get("key001"));//2.在原来的值后面追加System.out.println("在key002原来值后面追加：" + this.jedis.append("key002", " appended value"));System.out.println("获取key002对应的新值:" + this.jedis.get("key002"));System.out.println("=============增，删，查（多个）=============");        /**          * mset,mget同时新增，修改，查询多个键值对          * 等价于：         * jedis.set("name","ssss");          * jedis.set("jarorwar","xxxx");          */  System.out.println("一次性新增key201,key202,key203,key204及其对应值：" +          this.jedis.mset("key201", "value201", "key202", "value202", "key203", "value203",         "key204", "value204")         );System.out.println("一次性获取key201,key202,key203,key204各自对应的值：" +          this.jedis.mget("key201", "key202", "key203", "key204")         );System.out.println("一次性删除key201,key202：" + this.jedis.del(new String[]{"key201", "key202"}));System.out.println("一次性获取key201,key202,key203,key204各自对应的值：" +          this.jedis.mget("key201", "key202", "key203", "key204")     );}//链表操作private void listOperate() {this.jedis.flushDB();System.out.println("=============增=============");this.jedis.lpush("stringlists", "vector");this.jedis.lpush("stringlists", "ArrayList");this.jedis.lpush("stringlists", "vector");this.jedis.lpush("stringlists", "vector");this.jedis.lpush("stringlists", "LinkedList");this.jedis.lpush("stringlists", "MapList");this.jedis.lpush("stringlists", "SerialList");this.jedis.lpush("stringlists", "HashList");this.jedis.lpush("numberlists", "3");this.jedis.lpush("numberlists", "1");this.jedis.lpush("numberlists", "5");this.jedis.lpush("numberlists", "2");System.out.println("所有元素-stringlists:" + this.sharedJedis.lrange("stringlists", 0, -1));System.out.println("所有元素-numberlists:" + this.sharedJedis.lrange("numberlists", 0, -1));System.out.println("=============删=============");    //删除列表指定的值 ，第二个参数为删除的个数（有重复时），后add进去的值先被删，类似于出栈System.out.println("成功删除指定元素个数-stringlists："           + this.sharedJedis.lrem("stringlists", 2, "vector"));System.out.println("删除指定元素之后-stringlists："            + this.sharedJedis.lrange("stringlists", 0, -1));// 删除区间以外的数据 System.out.println("删除下标0-3区间之外的元素："     + this.sharedJedis.ltrim("stringlists", 0, 3));System.out.println("删除指定区间之外元素后-stringlists：" + this.sharedJedis.lrange("stringlists", 0, -1));// 列表元素出栈 System.out.println("出栈元素：" + this.sharedJedis.lpop("stringlists"));System.out.println("元素出栈后-stringlists：" + this.sharedJedis.lrange("stringlists", 0, -1));    System.out.println("=============改=============");    // 修改列表中指定下标的值     this.sharedJedis.lset("stringlists", 0, "hello list!");    System.out.println("下标为0的值修改后-stringlists：" + this.sharedJedis.lrange("stringlists", 0, -1));    System.out.println("=============查=============");        // 数组长度 System.out.println("长度-stringlists：" + this.sharedJedis.llen("stringlists"));System.out.println("长度-numberlist：" + this.sharedJedis.llen("numberlists")); // 排序         /*         * list中存字符串时必须指定参数为alpha，如果不使用SortingParams，而是直接使用sort("list")，         * 会出现"ERR One or more scores can't be converted into double"         */SortingParams sortingParameters = new SortingParams();sortingParameters.alpha();sortingParameters.limit(0, 3);System.out.println("返回排序后的结果-stringlists："           + this.sharedJedis.sort("numberlists"));// 子串：  start为元素下标，end也为元素下标；-1代表倒数一个元素，-2代表倒数第二个元素System.out.println("子串-第二个开始到结束："     + this.sharedJedis.lrange("stringlists", 1, -1));//获取列表指定下标的值System.out.println("获取下标为2的元素："    + this.sharedJedis.lindex("stringlists", 2));}//集合操作public void setOperate() {System.out.println("======================set==========================");     // 清空数据 this.jedis.flushDB();System.out.println("=============增=============");System.out.println("向sets集合中加入元素element001：" +    this.jedis.sadd("sets", "element001"));System.out.println("向sets集合中加入元素element002：" +    this.jedis.sadd("sets", "element002"));System.out.println("向sets集合中加入元素element003：" +     this.jedis.sadd("sets", "element003"));System.out.println("向sets集合中加入元素element004：" +    this.jedis.sadd("sets", "element004"));System.out.println("查看sets集合中的所有元素:" +     this.jedis.smembers("sets"));  System.out.println("=============删=============");System.out.println("集合sets中删除元素element003：" +    this.jedis.srem("sets", "element003"));System.out.println("查看sets集合中的所有元素:" +     this.jedis.smembers("sets"));System.out.println("=============查=============");System.out.println("判断element001是否在集合sets中：" +    this.jedis.sismember("sets", "element001"));Set<String> sets = this.jedis.smembers("sets");if (sets != null && sets.size() > 0) {for (String str : sets) {System.out.println(str);}}System.out.println("=============集合运算=============");System.out.println("sets1中添加元素element001："+jedis.sadd("sets1", "element001"));     System.out.println("sets1中添加元素element002："+jedis.sadd("sets1", "element002"));     System.out.println("sets1中添加元素element003："+jedis.sadd("sets1", "element003"));     System.out.println("sets1中添加元素element002："+jedis.sadd("sets2", "element002"));         System.out.println("sets1中添加元素element003："+jedis.sadd("sets2", "element003"));         System.out.println("sets1中添加元素element004："+jedis.sadd("sets2", "element004"));        System.out.println("查看sets1集合中的所有元素:"+jedis.smembers("sets1"));        System.out.println("查看sets2集合中的所有元素:"+jedis.smembers("sets2"));System.out.println("sets1和sets2交集：" + this.jedis.sinter("sets1", "sets2"));System.out.println("sets1和sets2并集：" + this.jedis.sunion("sets1", "sets2"));System.out.println("sets1和sets2差集：" + this.jedis.sdiff("sets1", "sets2"));}//有序集合操作public void sortedSetOperate() { // 清空数据 this.jedis.flushDB();System.out.println("=============增=============");System.out.println("zset中添加元素element001：" +     this.jedis.zadd("zset", 7.0, "element001"));System.out.println("zset中添加元素element002：" +    this.jedis.zadd("zset", 8.0, "element002"));System.out.println("zset中添加元素element003：" +    this.jedis.zadd("zset", 2.0, "element003"));System.out.println("zset中添加元素element004：" +    this.jedis.zadd("zset", 3.0, "element004"));System.out.println("zset集合中的所有元素：" +     this.sharedJedis.zrange("zset", 0, -1));System.out.println("=============删=============");System.out.println("zset中删除元素element002：" +         this.sharedJedis.zrem("zset", "element002"));System.out.println("zset集合中的所有元素：" +     this.sharedJedis.zrange("zset", 0, -1));System.out.println("=============查=============");System.out.println("统计zset集合中的元素中个数：" +         this.jedis.zcard("zset"));System.out.println("统计zset集合中权重某个范围内（1.0——5.0），元素的个数：" +         this.jedis.zcount("zset", 1.0, 5.0));System.out.println("查看zset集合中element004的权重：" +         this.jedis.zscore("zset", "element004"));System.out.println("查看下标1到2范围内的元素值：" + this.jedis.zrange("zset", 1, 2));}//哈希表操作public void hashOperate() {//清空数据this.jedis.flushDB();System.out.println("=============增=============");System.out.println("hashs中添加key001和value001键值对：" +     this.sharedJedis.hset("hashs", "key001", "value001"));System.out.println("hashs中添加key002和value002键值对：" +     this.sharedJedis.hset("hashs", "key002", "value002"));System.out.println("hashs中添加key003和value003键值对：" +    this.sharedJedis.hset("hashs", "key003", "value003"));System.out.println("新增key004和4的整型键值对：" +    this.sharedJedis.hincrBy("hashs", "key004", 4));System.out.println("hashs中的所有值：" + this.jedis.hvals("hashs")); System.out.println("=============删=============");System.out.println("hashs中删除key002键值对："   + this.sharedJedis.hdel("hashs", "key002"));System.out.println("hashs中的所有值：" + this.jedis.hvals("hashs"));System.out.println("=============改=============");System.out.println("key004整型键值的值增加100：" +    this.jedis.hincrBy("hashs", "key004", 1001)); System.out.println("=============查=============");System.out.println("判断key003是否存在："     + this.jedis.hexists("hashs", "key003"));System.out.println("获取key004对应的值：" +     this.jedis.hget("hashs", "key004"));System.out.println("批量获取key001和key003对应的值：" +     this.jedis.hmget("hashs", "key001", "key003"));System.out.println("获取hashs中所有的key：" + this.jedis.hkeys("hashs"));System.out.println("获取hashs中所有的value：" + this.jedis.hvals("hashs"));System.out.println();}}