1.jedis mavne 坐标:
<dependency>
<groupId>redis.clientsgroupId>
<artifactId>jedisartifactId>
<version>2.9.0version>
dependency>
2.代码:
package test.jedis;
import java.util.List;
import java.util.Map;
import java.util.Set;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.BinaryClient.LIST_POSITION;
/**
* redis通用工具类
* @author lin
*
*/
public class RedisUtil {
//Redis服务器IP
private static String ADDR = "127.0.0.1";
//Redis的端口号
private static int PORT = 6379;
//访问密码
private static String AUTH = "123456";
//可用连接实例的最大数目,默认值为8;
//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)。
private static int MAX_ACTIVE = 1024;
//控制一个pool最多有多少个状态为idle(空闲的)的jedis实例,默认值8。
private static int MAX_IDLE = 200;
//等待可用连接的最大时间,单位毫秒,默认值为-1,表示永不超时。如果超过等待时间,则直接抛出JedisConnectionException;
private static int MAX_WAIT = 10000;
private static int TIMEOUT = 10000;
//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;
private static boolean TEST_ON_BORROW = true;
private static JedisPool pool = null;
/**
* 初始化Redis连接池
*/
static {
try {
JedisPoolConfig config = new JedisPoolConfig();
config.setMaxTotal(MAX_ACTIVE);
config.setMaxIdle(MAX_IDLE);
config.setMaxWaitMillis(MAX_WAIT);
config.setTestOnBorrow(TEST_ON_BORROW);
Integer port = new Integer(PORT);
pool = new JedisPool(config, ADDR, port, TIMEOUT,AUTH);
try {
pool.getResource();
}catch(JedisConnectionException e) {
System.out.println("redis没有设置密码");
pool = new JedisPool(config, ADDR, port, TIMEOUT);
//System.out.println("再次获取资源:"+pool.getResource());
e.printStackTrace();
}
//需要认证
// pool = new JedisPool(config, ADDR, PORT, TIMEOUT,AUTH);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 返还到连接池
*
* @param pool
* @param redis
*/
public static void returnResource(JedisPool pool, Jedis jedis) {
if (jedis != null) {
pool.returnResource(jedis);
}
}
/**
* 通过key获取储存在redis中的value
* 并释放连接
* @param key
* @return 成功返回value 失败返回null
*/
public static 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;
}
/**
* 向redis存入key和value,并释放连接资源
* 如果key已经存在 则覆盖
* @param key
* @param value
* @return 成功 返回OK 失败返回 0
*/
public static 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);
}
}
/**
* 删除指定的key,也可以传入一个包含key的数组
* @param keys 一个key 也可以使 string 数组
* @return 返回删除成功的个数
*/
public static 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);
}
}
/**
* 通过key向指定的value值追加值
* @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 static 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;
}
/**
* 判断key是否存在
* @param key
* @return true OR false
*/
public static 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);
}
}
/**
* 设置key value,如果key已经存在则返回0,nx==> not exist
* @param key
* @param value
* @return 成功返回1 如果存在 和 发生异常 返回 0
*/
public static 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);
}
}
/**
* 设置key value并制定这个键值的有效期
* @param key
* @param value
* @param seconds 单位:秒
* @return 成功返回OK 失败和异常返回null
*/
public static 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;
}
/**
* 通过key 和offset 从指定的位置开始将原先value替换
* 下标从0开始,offset表示从offset下标开始替换
* 如果替换的字符串长度过小则会这样
* example:
* value : [email protected]
* str : abc
* 从下标7开始替换 则结果为
* RES : bigsea.abc.cn
* @param key
* @param str
* @param offset 下标位置
* @return 返回替换后 value 的长度
*/
public static 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);
}
}
/**
* 通过批量的key获取批量的value
* @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 static List mget(String...keys){
Jedis jedis = null;
List values = null;
try {
jedis = pool.getResource();
values = jedis.mget(keys);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return values;
}
/**
* 批量的设置key:value,可以一个
* example:
* obj.mset(new String[]{"key2","value1","key2","value2"})
* @param keysvalues
* @return 成功返回OK 失败 异常 返回 null
*
*/
public static 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;
}
/**
* 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
* example:
* obj.msetnx(new String[]{"key2","value1","key2","value2"})
* @param keysvalues
* @return 成功返回1 失败返回0
*/
public static 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;
}
/**
* 设置key的值,并返回一个旧值
* @param key
* @param value
* @return 旧值 如果key不存在 则返回null
*/
public static 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;
}
/**
* 通过下标 和key 获取指定下标位置的 value
* @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 static 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;
}
/**
* 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
* @param key
* @return 加值后的结果
*/
public static 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;
}
/**
* 通过key给指定的value加值,如果key不存在,则这是value为该值
* @param key
* @param integer
* @return
*/
public static 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;
}
/**
* 对key的值做减减操作,如果key不存在,则设置key为-1
* @param key
* @return
*/
public static 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;
}
/**
* 减去指定的值
* @param key
* @param integer
* @return
*/
public static 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;
}
/**
* 通过key获取value值的长度
* @param key
* @return 失败返回null
*/
public static 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;
}
/**
* 通过key给field设置指定的值,如果key不存在,则先创建
* @param key
* @param field 字段
* @param value
* @return 如果存在返回0 异常返回null
*/
public static 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;
}
/**
* 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
* @param key
* @param field
* @param value
* @return
*/
public static 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;
}
/**
* 通过key同时设置 hash的多个field
* @param key
* @param hash
* @return 返回OK 异常返回null
*/
public static String hmset(String key,Map 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;
}
/**
* 通过key 和 field 获取指定的 value
* @param key
* @param field
* @return 没有返回null
*/
public static 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;
}
/**
* 通过key 和 fields 获取指定的value 如果没有对应的value则返回null
* @param key
* @param fields 可以使 一个String 也可以是 String数组
* @return
*/
public static List hmget(String key,String...fields){
Jedis jedis = null;
List 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;
}
/**
* 通过key给指定的field的value加上给定的值
* @param key
* @param field
* @param value
* @return
*/
public static 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;
}
/**
* 通过key和field判断是否有指定的value存在
* @param key
* @param field
* @return
*/
public static 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;
}
/**
* 通过key返回field的数量
* @param key
* @return
*/
public static 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;
}
/**
* 通过key 删除指定的 field
* @param key
* @param fields 可以是 一个 field 也可以是 一个数组
* @return
*/
public static 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;
}
/**
* 通过key返回所有的field
* @param key
* @return
*/
public static Set hkeys(String key){
Jedis jedis = null;
Set res = null;
try {
jedis = pool.getResource();
res = jedis.hkeys(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key返回所有和key有关的value
* @param key
* @return
*/
public static List hvals(String key){
Jedis jedis = null;
List res = null;
try {
jedis = pool.getResource();
res = jedis.hvals(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取所有的field和value
* @param key
* @return
*/
public static Map hgetall(String key){
Jedis jedis = null;
Map res = null;
try {
jedis = pool.getResource();
res = jedis.hgetAll(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key向list头部添加字符串
* @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;
}
/**
* 通过key向list尾部添加字符串
* @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 static 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;
}
/**
* 通过key在list指定的位置之前或者之后 添加字符串元素
* @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 static 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;
}
/**
* 通过key设置list指定下标位置的value
* 如果下标超过list里面value的个数则报错
* @param key
* @param index 从0开始
* @param value
* @return 成功返回OK
*/
public static 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;
}
/**
* 通过key从对应的list中删除指定的count个 和 value相同的元素
* @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 static 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;
}
/**
* 通过key保留list中从strat下标开始到end下标结束的value值
* @param key
* @param start
* @param end
* @return 成功返回OK
*/
public static 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;
}
/**
* 通过key从list的头部删除一个value,并返回该value
* @param key
* @return
*/
public static 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;
}
/**
* 通过key从list尾部删除一个value,并返回该元素
* @param key
* @return
*/
public static 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;
}
/**
* 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
* 如果第一个list为空或者不存在则返回null
* @param srckey
* @param dstkey
* @return
*/
public static 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;
}
/**
* 通过key获取list中指定下标位置的value
* @param key
* @param index
* @return 如果没有返回null
*/
public static 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;
}
/**
* 通过key返回list的长度
* @param key
* @return
*/
public static 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;
}
/**
* 通过key获取list指定下标位置的value
* 如果start 为 0 end 为 -1 则返回全部的list中的value
* @param key
* @param start
* @param end
* @return
*/
public static List lrange(String key,long start,long end){
Jedis jedis = null;
List 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;
}
/**
* 通过key向指定的set中添加value
* @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 static 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;
}
/**
* 通过key删除set中对应的value值
* @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 static 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;
}
/**
* 通过key随机删除一个set中的value并返回该值
* @param key
* @return
*/
public static 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;
}
/**
* 通过key获取set中的差集
* 以第一个set为标准
* @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 static Set sdiff(String...keys){
Jedis jedis = null;
Set res = null;
try {
jedis = pool.getResource();
res = jedis.sdiff(keys);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取set中的差集并存入到另一个key中
* 以第一个set为标准
* @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 static 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;
}
/**
* 通过key获取指定set中的交集
* @param keys 可以使一个string 也可以是一个string数组
* @return
*/
public static Set sinter(String...keys){
Jedis jedis = null;
Set res = null;
try {
jedis = pool.getResource();
res = jedis.sinter(keys);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key获取指定set中的交集 并将结果存入新的set中
* @param dstkey
* @param keys 可以使一个string 也可以是一个string数组
* @return
*/
public static 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;
}
/**
* 通过key返回所有set的并集
* @param keys 可以使一个string 也可以是一个string数组
* @return
*/
public static Set sunion(String... keys){
Jedis jedis = null;
Set res = null;
try {
jedis = pool.getResource();
res = jedis.sunion(keys);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key返回所有set的并集,并存入到新的set中
* @param dstkey
* @param keys 可以使一个string 也可以是一个string数组
* @return
*/
public static 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;
}
/**
* 通过key将set中的value移除并添加到第二个set中
* @param srckey 需要移除的
* @param dstkey 添加的
* @param member set中的value
* @return
*/
public static 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;
}
/**
* 通过key获取set中value的个数
* @param key
* @return
*/
public static 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;
}
/**
* 通过key判断value是否是set中的元素
* @param key
* @param member
* @return
*/
public static 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;
}
/**
* 通过key获取set中随机的value,不删除元素
* @param key
* @return
*/
public static 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;
}
/**
* 通过key获取set中所有的value
* @param key
* @return
*/
public static Set smembers(String key){
Jedis jedis = null;
Set res = null;
try {
jedis = pool.getResource();
res = jedis.smembers(key);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key向zset中添加value,score,其中score就是用来排序的
* 如果该value已经存在则根据score更新元素
* @param key
* @param scoreMembers
* @return
*/
public static Long zadd(String key,Map 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;
}
/**
* 通过key向zset中添加value,score,其中score就是用来排序的
* 如果该value已经存在则根据score更新元素
* @param key
* @param score
* @param member
* @return
*/
public static 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;
}
/**
* 通过key删除在zset中指定的value
* @param key
* @param members 可以使一个string 也可以是一个string数组
* @return
*/
public static 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;
}
/**
* 通过key增加该zset中value的score的值
* @param key
* @param score
* @param member
* @return
*/
public static 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;
}
/**
* 通过key返回zset中value的排名
* 下标从小到大排序
* @param key
* @param member
* @return
*/
public static 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;
}
/**
* 通过key返回zset中value的排名
* 下标从大到小排序
* @param key
* @param member
* @return
*/
public static 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;
}
/**
* 通过key将获取score从start到end中zset的value
* socre从大到小排序
* 当start为0 end为-1时返回全部
* @param key
* @param start
* @param end
* @return
*/
public static Set zrevrange(String key ,long start ,long end){
Jedis jedis = null;
Set 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;
}
/**
* 通过key返回指定score内zset中的value
* @param key
* @param max
* @param min
* @return
*/
public static Set zrangebyscore(String key,String max,String min){
Jedis jedis = null;
Set 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;
}
/**
* 通过key返回指定score内zset中的value
* @param key
* @param max
* @param min
* @return
*/
public static Set zrangeByScore(String key ,double max,double min){
Jedis jedis = null;
Set 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;
}
/**
* 返回指定区间内zset中value的数量
* @param key
* @param min
* @param max
* @return
*/
public static 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;
}
/**
* 通过key返回zset中的value个数
* @param key
* @return
*/
public static 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;
}
/**
* 通过key获取zset中value的score值
* @param key
* @param member
* @return
*/
public static 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;
}
/**
* 通过key删除给定区间内的元素
* @param key
* @param start
* @param end
* @return
*/
public static 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;
}
/**
* 通过key删除指定score内的元素
* @param key
* @param start
* @param end
* @return
*/
public static 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;
}
/**
* 返回满足pattern表达式的所有key
* keys(*)
* 返回所有的key
* @param pattern
* @return
*/
public static Set keys(String pattern){
Jedis jedis = null;
Set res = null;
try {
jedis = pool.getResource();
res = jedis.keys(pattern);
} catch (Exception e) {
pool.returnBrokenResource(jedis);
e.printStackTrace();
} finally {
returnResource(pool, jedis);
}
return res;
}
/**
* 通过key判断值得类型
* @param key
* @return
*/
public static 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;
}
/**
* 测试
* @param args
*/
public static void main(String[] args) {
RedisUtil.set("uu","lllleslef");
System.out.println(RedisUtil.get("uu"));
}
}