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jedis使用线程池封装redis基本操作

时间:2014-10-31 22:20:31      阅读:255      评论:0      收藏:0      [点我收藏+]

标签:redis   jedis   基本api   

redis客户端 jedis 常用的 操作

key value

hash

list

set

zset


的基本操作


package cn.zto.util;

import java.util.List;
import java.util.Map;
import java.util.Set;

import org.junit.Test;


import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.BinaryClient.LIST_POSITION;

/**
 * <p>redis通用工具类</p>
 * @author bigSea
 *
 */
public class RedisUtil {
	
	private JedisPool pool = null;
	
	/**
	 * <p>传入ip和端口号构建redis 连接池</p>
	 * @param ip ip
	 * @param prot 端口
	 */
	public RedisUtil(String ip, int prot) {
		if (pool == null) {
			JedisPoolConfig config = new JedisPoolConfig();
			// 控制一个pool可分配多少个jedis实例,通过pool.getResource()来获取;
			// 如果赋值为-1,则表示不限制;如果pool已经分配了maxActive个jedis实例,则此时pool的状态为exhausted(耗尽)。
			config.setMaxActive(500);
			// 控制一个pool最多有多少个状态为idle(空闲的)的jedis实例。
			config.setMaxIdle(5);
			// 表示当borrow(引入)一个jedis实例时,最大的等待时间,如果超过等待时间,则直接抛出JedisConnectionException;
			config.setMaxWait(1000 * 100);
			// 在borrow一个jedis实例时,是否提前进行validate操作;如果为true,则得到的jedis实例均是可用的;
			config.setTestOnBorrow(true);
			// pool = new JedisPool(config, "192.168.0.121", 6379, 100000);
			pool = new JedisPool(config, ip, prot, 100000);
		}
	}

	/**
	 * <p>通过配置对象 ip 端口 构建连接池</p>
	 * @param config 配置对象
	 * @param ip ip
	 * @param prot 端口
	 */
	public RedisUtil(JedisPoolConfig config ,String ip, int prot){
		if (pool == null) {
			pool = new JedisPool(config,ip,prot,10000);
		}
	}
	
	/**
	 * <p>通过配置对象 ip 端口 超时时间 构建连接池</p>
	 * @param config 配置对象
	 * @param ip ip
	 * @param prot 端口
	 * @param timeout 超时时间
	 */
	public RedisUtil(JedisPoolConfig config ,String ip, int prot ,int timeout){
		if (pool == null) {
			pool = new JedisPool(config,ip,prot,timeout);
		}
	}
	
	/**
	 * <p>通过连接池对象 构建一个连接池</p>
	 * @param pool 连接池对象
	 */
	public RedisUtil(JedisPool pool){
		if (this.pool == null) {
			this.pool = pool;
		}
	}
	
	/**
	 * <p>通过key获取储存在redis中的value</p>
	 * <p>并释放连接</p>
	 * @param key
	 * @return 成功返回value 失败返回null
	 */
	public String get(String key){
		Jedis jedis = null;
		String value = null;
		try {
			jedis = pool.getResource();
			value = jedis.get(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return value;
	}
	
	/**
	 * <p>向redis存入key和value,并释放连接资源</p>
	 * <p>如果key已经存在 则覆盖</p>
	 * @param key
	 * @param value
	 * @return 成功 返回OK 失败返回 0
	 */
	public String set(String key,String value){
		Jedis jedis = null;
		try {
			jedis = pool.getResource();
			return jedis.set(key, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
			return "0";
		} finally {
			returnResource(pool, jedis);
		}
	}
	
	
	/**
	 * <p>删除指定的key,也可以传入一个包含key的数组</p>
	 * @param keys 一个key  也可以使 string 数组
	 * @return 返回删除成功的个数 
	 */
	public Long del(String...keys){
		Jedis jedis = null;
		try {
			jedis = pool.getResource();
			return jedis.del(keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
			return 0L;
		} finally {
			returnResource(pool, jedis);
		}
	}
	
	/**
	 * <p>通过key向指定的value值追加值</p>
	 * @param key 
	 * @param str 
	 * @return 成功返回 添加后value的长度 失败 返回 添加的 value 的长度  异常返回0L
	 */
	public Long append(String key ,String str){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.append(key, str);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
			return 0L;
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>判断key是否存在</p>
	 * @param key
	 * @return true OR false
	 */
	public Boolean exists(String key){
		Jedis jedis = null;
		try {
			jedis = pool.getResource();
			return jedis.exists(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
			return false;
		} finally {
			returnResource(pool, jedis);
		}
	}
	
	/**
	 * <p>设置key value,如果key已经存在则返回0,nx==> not exist</p>
	 * @param key
	 * @param value
	 * @return 成功返回1 如果存在 和 发生异常 返回 0
	 */
	public Long setnx(String key ,String value){
		Jedis jedis = null;
		try {
			jedis = pool.getResource();
			return jedis.setnx(key, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
			return 0L;
		} finally {
			returnResource(pool, jedis);
		}
	}
	
	/**
	 * <p>设置key value并制定这个键值的有效期</p>
	 * @param key
	 * @param value
	 * @param seconds 单位:秒
	 * @return 成功返回OK 失败和异常返回null
	 */
	public String setex(String key,String value,int seconds){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.setex(key, seconds, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	
	/**
	 * <p>通过key 和offset 从指定的位置开始将原先value替换</p>
	 * <p>下标从0开始,offset表示从offset下标开始替换</p>
	 * <p>如果替换的字符串长度过小则会这样</p>
	 * <p>example:</p>
	 * <p>value : bigsea@zto.cn</p>
	 * <p>str : abc </p>
	 * <P>从下标7开始替换  则结果为</p>
	 * <p>RES : bigsea.abc.cn</p>
	 * @param key
	 * @param str
	 * @param offset 下标位置
	 * @return 返回替换后  value 的长度
	 */
	public Long setrange(String key,String str,int offset){
		Jedis jedis = null;
		try {
			jedis = pool.getResource();
			return jedis.setrange(key, offset, str);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
			return 0L;
		} finally {
			returnResource(pool, jedis);
		}
	}
	
	
	
	/**
	 * <p>通过批量的key获取批量的value</p>
	 * @param keys string数组 也可以是一个key
	 * @return 成功返回value的集合, 失败返回null的集合 ,异常返回空
	 */
	public List<String> mget(String...keys){
		Jedis jedis = null;
		List<String> values = null;
		try {
			jedis = pool.getResource();
			values = jedis.mget(keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return values;
	}
	
	/**
	 * <p>批量的设置key:value,可以一个</p>
	 * <p>example:</p>
	 * <p>  obj.mset(new String[]{"key2","value1","key2","value2"})</p>
	 * @param keysvalues
	 * @return 成功返回OK 失败 异常 返回 null
	 * 
	 */
	public String mset(String...keysvalues){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.mset(keysvalues);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>批量的设置key:value,可以一个,如果key已经存在则会失败,操作会回滚</p>
	 * <p>example:</p>
	 * <p>  obj.msetnx(new String[]{"key2","value1","key2","value2"})</p>
	 * @param keysvalues 
	 * @return 成功返回1 失败返回0 
	 */
	public Long msetnx(String...keysvalues){
		Jedis jedis = null;
		Long res = 0L;
		try {
			jedis = pool.getResource();
			res =jedis.msetnx(keysvalues);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>设置key的值,并返回一个旧值</p>
	 * @param key
	 * @param value
	 * @return 旧值 如果key不存在 则返回null
	 */
	public String getset(String key,String value){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.getSet(key, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过下标 和key 获取指定下标位置的 value</p>
	 * @param key
	 * @param startOffset 开始位置 从0 开始 负数表示从右边开始截取
	 * @param endOffset 
	 * @return 如果没有返回null 
	 */
	public String getrange(String key, int startOffset ,int endOffset){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.getrange(key, startOffset, endOffset);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key 对value进行加值+1操作,当value不是int类型时会返回错误,当key不存在是则value为1</p>
	 * @param key
	 * @return 加值后的结果
	 */
	public Long incr(String key){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.incr(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key给指定的value加值,如果key不存在,则这是value为该值</p>
	 * @param key
	 * @param integer
	 * @return
	 */
	public Long incrBy(String key,Long integer){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.incrBy(key, integer);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>对key的值做减减操作,如果key不存在,则设置key为-1</p>
	 * @param key
	 * @return
	 */
	public Long decr(String key) {
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.decr(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>减去指定的值</p>
	 * @param key
	 * @param integer
	 * @return
	 */
	public Long decrBy(String key,Long integer){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.decrBy(key, integer);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取value值的长度</p>
	 * @param key
	 * @return 失败返回null 
	 */
	public Long serlen(String key){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.strlen(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key给field设置指定的值,如果key不存在,则先创建</p>
	 * @param key
	 * @param field 字段
	 * @param value
	 * @return 如果存在返回0 异常返回null
	 */
	public Long hset(String key,String field,String value) {
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hset(key, field, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key给field设置指定的值,如果key不存在则先创建,如果field已经存在,返回0</p>
	 * @param key
	 * @param field
	 * @param value
	 * @return
	 */
	public Long hsetnx(String key,String field,String value){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hsetnx(key, field, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key同时设置 hash的多个field</p>
	 * @param key
	 * @param hash
	 * @return 返回OK 异常返回null
	 */
	public String hmset(String key,Map<String, String> hash){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hmset(key, hash);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key 和 field 获取指定的 value</p>
	 * @param key
	 * @param field
	 * @return 没有返回null
	 */
	public String hget(String key, String field){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hget(key, field);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key 和 fields 获取指定的value 如果没有对应的value则返回null</p>
	 * @param key
	 * @param fields 可以使 一个String 也可以是 String数组
	 * @return 
	 */
	public List<String> hmget(String key,String...fields){
		Jedis jedis = null;
		List<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hmget(key, fields);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key给指定的field的value加上给定的值</p>
	 * @param key
	 * @param field
	 * @param value 
	 * @return
	 */
	public Long hincrby(String key ,String field ,Long value){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hincrBy(key, field, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key和field判断是否有指定的value存在</p>
	 * @param key
	 * @param field
	 * @return
	 */
	public Boolean hexists(String key , String field){
		Jedis jedis = null;
		Boolean res = false;
		try {
			jedis = pool.getResource();
			res = jedis.hexists(key, field);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回field的数量</p>
	 * @param key
	 * @return
	 */
	public Long hlen(String key){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hlen(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
		
	}
	
	/**
	 * <p>通过key 删除指定的 field </p>
	 * @param key
	 * @param fields 可以是 一个 field 也可以是 一个数组
	 * @return
	 */
	public Long hdel(String key ,String...fields){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hdel(key, fields);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回所有的field</p>
	 * @param key
	 * @return
	 */
	public Set<String> hkeys(String key){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hkeys(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回所有和key有关的value</p>
	 * @param key
	 * @return
	 */
	public List<String> hvals(String key){
		Jedis jedis = null;
		List<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hvals(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取所有的field和value</p>
	 * @param key
	 * @return
	 */
	public Map<String, String> hgetall(String key){
		Jedis jedis = null;
		Map<String, String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.hgetAll(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key向list头部添加字符串</p>
	 * @param key
	 * @param strs 可以使一个string 也可以使string数组
	 * @return 返回list的value个数
	 */
	public Long lpush(String key ,String...strs){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.lpush(key, strs);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key向list尾部添加字符串</p>
	 * @param key
	 * @param strs 可以使一个string 也可以使string数组
	 * @return 返回list的value个数
	 */
	public Long rpush(String key ,String...strs){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.rpush(key, strs);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key在list指定的位置之前或者之后 添加字符串元素</p>
	 * @param key 
	 * @param where LIST_POSITION枚举类型
	 * @param pivot list里面的value
	 * @param value 添加的value
	 * @return
	 */
	public Long linsert(String key, LIST_POSITION where,
		    String pivot, String value){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.linsert(key, where, pivot, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key设置list指定下标位置的value</p>
	 * <p>如果下标超过list里面value的个数则报错</p>
	 * @param key 
	 * @param index 从0开始
	 * @param value
	 * @return 成功返回OK
	 */
	public String lset(String key ,Long index, String value){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.lset(key, index, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key从对应的list中删除指定的count个 和 value相同的元素</p>
	 * @param key 
	 * @param count 当count为0时删除全部
	 * @param value 
	 * @return 返回被删除的个数
	 */
	public Long lrem(String key,long count,String value){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.lrem(key, count, value);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key保留list中从strat下标开始到end下标结束的value值</p>
	 * @param key
	 * @param start
	 * @param end
	 * @return 成功返回OK
	 */
	public String ltrim(String key ,long start ,long end){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.ltrim(key, start, end);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key从list的头部删除一个value,并返回该value</p>
	 * @param key
	 * @return 
	 */
	public String lpop(String key){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.lpop(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key从list尾部删除一个value,并返回该元素</p>
	 * @param key
	 * @return
	 */
	public String rpop(String key){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.rpop(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key从一个list的尾部删除一个value并添加到另一个list的头部,并返回该value</p>
	 * <p>如果第一个list为空或者不存在则返回null</p>
	 * @param srckey
	 * @param dstkey
	 * @return
	 */
	public String rpoplpush(String srckey, String dstkey){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.rpoplpush(srckey, dstkey);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取list中指定下标位置的value</p>
	 * @param key
	 * @param index
	 * @return 如果没有返回null
	 */
	public String lindex(String key,long index){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.lindex(key, index);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回list的长度</p>
	 * @param key
	 * @return
	 */
	public Long llen(String key){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.llen(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取list指定下标位置的value</p>
	 * <p>如果start 为 0 end 为 -1 则返回全部的list中的value</p>
	 * @param key 
	 * @param start
	 * @param end
	 * @return
	 */
	public List<String> lrange(String key,long start,long end){
		Jedis jedis = null;
		List<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.lrange(key, start, end);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key向指定的set中添加value</p>
	 * @param key
	 * @param members 可以是一个String 也可以是一个String数组
	 * @return 添加成功的个数
	 */
	public Long sadd(String key,String...members){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sadd(key, members);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key删除set中对应的value值</p>
	 * @param key
	 * @param members 可以是一个String 也可以是一个String数组
	 * @return 删除的个数
	 */
	public Long srem(String key,String...members){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.srem(key, members);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key随机删除一个set中的value并返回该值</p>
	 * @param key
	 * @return
	 */
	public String spop(String key){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.spop(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取set中的差集</p>
	 * <p>以第一个set为标准</p>
	 * @param keys 可以使一个string 则返回set中所有的value 也可以是string数组
	 * @return 
	 */
	public Set<String> sdiff(String...keys){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sdiff(keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取set中的差集并存入到另一个key中</p>
	 * <p>以第一个set为标准</p>
	 * @param dstkey 差集存入的key
	 * @param keys 可以使一个string 则返回set中所有的value 也可以是string数组
	 * @return 
	 */
	public Long sdiffstore(String dstkey,String... keys){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sdiffstore(dstkey, keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取指定set中的交集</p>
	 * @param keys 可以使一个string 也可以是一个string数组
	 * @return
	 */
	public Set<String> sinter(String...keys){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sinter(keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取指定set中的交集 并将结果存入新的set中</p>
	 * @param dstkey
	 * @param keys 可以使一个string 也可以是一个string数组
	 * @return
	 */
	public Long sinterstore(String dstkey,String...keys){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sinterstore(dstkey, keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回所有set的并集</p>
	 * @param keys 可以使一个string 也可以是一个string数组
	 * @return
	 */
	public Set<String> sunion(String... keys){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sunion(keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回所有set的并集,并存入到新的set中</p>
	 * @param dstkey 
	 * @param keys 可以使一个string 也可以是一个string数组
	 * @return
	 */
	public Long sunionstore(String dstkey,String...keys){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sunionstore(dstkey, keys);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key将set中的value移除并添加到第二个set中</p>
	 * @param srckey 需要移除的
	 * @param dstkey 添加的
	 * @param member set中的value
	 * @return
	 */
	public Long smove(String srckey, String dstkey, String member){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.smove(srckey, dstkey, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取set中value的个数</p>
	 * @param key
	 * @return
	 */
	public Long scard(String key){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.scard(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key判断value是否是set中的元素</p>
	 * @param key
	 * @param member
	 * @return
	 */
	public Boolean sismember(String key,String member){
		Jedis jedis = null;
		Boolean res = null;
		try {
			jedis = pool.getResource();
			res = jedis.sismember(key, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取set中随机的value,不删除元素</p>
	 * @param key
	 * @return
	 */
	public String srandmember(String key){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.srandmember(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取set中所有的value</p>
	 * @param key
	 * @return
	 */
	public Set<String> smembers(String key){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.smembers(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key向zset中添加value,score,其中score就是用来排序的</p>
	 * <p>如果该value已经存在则根据score更新元素</p>
	 * @param key
	 * @param scoreMembers 
	 * @return
	 */
	public Long zadd(String key,Map<Double, String> scoreMembers){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zadd(key, scoreMembers);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key向zset中添加value,score,其中score就是用来排序的</p>
	 * <p>如果该value已经存在则根据score更新元素</p>
	 * @param key
	 * @param score
	 * @param member
	 * @return
	 */
	public Long zadd(String key,double score,String member){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zadd(key, score, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key删除在zset中指定的value</p>
	 * @param key
	 * @param members 可以使一个string 也可以是一个string数组
	 * @return
	 */
	public Long zrem(String key,String...members){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zrem(key, members);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key增加该zset中value的score的值</p>
	 * @param key
	 * @param score 
	 * @param member 
	 * @return
	 */
	public Double zincrby(String key ,double score ,String member){
		Jedis jedis = null;
		Double res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zincrby(key, score, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回zset中value的排名</p>
	 * <p>下标从小到大排序</p>
	 * @param key
	 * @param member
	 * @return
	 */
	public Long zrank(String key,String member){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zrank(key, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回zset中value的排名</p>
	 * <p>下标从大到小排序</p>
	 * @param key
	 * @param member
	 * @return
	 */
	public Long zrevrank(String key,String member){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zrevrank(key, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key将获取score从start到end中zset的value</p>
	 * <p>socre从大到小排序</p>
	 * <p>当start为0 end为-1时返回全部</p>
	 * @param key
	 * @param start
	 * @param end
	 * @return
	 */
	public Set<String> zrevrange(String key ,long start ,long end){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zrevrange(key, start, end);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回指定score内zset中的value</p>
	 * @param key 
	 * @param max 
	 * @param min 
	 * @return
	 */
	public Set<String> zrangebyscore(String key,String max,String min){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zrevrangeByScore(key, max, min);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回指定score内zset中的value</p>
	 * @param key 
	 * @param max  
	 * @param min 
	 * @return
	 */
	public Set<String> zrangeByScore(String key ,double max,double min){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zrevrangeByScore(key,max,min);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>返回指定区间内zset中value的数量</p>
	 * @param key
	 * @param min
	 * @param max
	 * @return
	 */
	public Long zcount(String key,String min,String max){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zcount(key, min, max);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key返回zset中的value个数</p>
	 * @param key
	 * @return
	 */
	public Long zcard(String key){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zcard(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key获取zset中value的score值</p>
	 * @param key
	 * @param member
	 * @return
	 */
	public Double zscore(String key,String member){
		Jedis jedis = null;
		Double res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zscore(key, member);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key删除给定区间内的元素</p>
	 * @param key 
	 * @param start 
	 * @param end
	 * @return
	 */
	public Long zremrangeByRank(String key ,long start, long end){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zremrangeByRank(key, start, end);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key删除指定score内的元素</p>
	 * @param key
	 * @param start
	 * @param end
	 * @return
	 */
	public Long zremrangeByScore(String key,double start,double end){
		Jedis jedis = null;
		Long res = null;
		try {
			jedis = pool.getResource();
			res = jedis.zremrangeByScore(key, start, end);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	/**
	 * <p>返回满足pattern表达式的所有key</p>
	 * <p>keys(*)</p>
	 * <p>返回所有的key</p>
	 * @param pattern
	 * @return
	 */
	public Set<String> keys(String pattern){
		Jedis jedis = null;
		Set<String> res = null;
		try {
			jedis = pool.getResource();
			res = jedis.keys(pattern);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * <p>通过key判断值得类型</p>
	 * @param key
	 * @return
	 */
	public String type(String key){
		Jedis jedis = null;
		String res = null;
		try {
			jedis = pool.getResource();
			res = jedis.type(key);
		} catch (Exception e) {
			pool.returnBrokenResource(jedis);
			e.printStackTrace();
		} finally {
			returnResource(pool, jedis);
		}
		return res;
	}
	
	/**
	 * 返还到连接池
	 * 
	 * @param pool
	 * @param redis
	 */
	public static void returnResource(JedisPool pool, Jedis jedis) {
		if (jedis != null) {
			pool.returnResource(jedis);
		}
	}
}


jedis使用线程池封装redis基本操作

标签:redis   jedis   基本api   

原文地址:http://blog.csdn.net/a67474506/article/details/40660031

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