package com.xxx.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通用工具類</p>
* @author bigSea
*
*/
public class RedisUtil {
private JedisPool pool = null;
/**
* <p>傳入ip和端口號構建redis 連接池</p>
* @param ip ip
* @param prot 端口
*/
public RedisUtil(String ip, int prot) {
if (pool == null) {
JedisPoolConfig config = new JedisPoolConfig();
// 控制一個pool可分配多少個jedis實例,通過pool.getResource()來獲取;
// 如果賦值爲-1,則表示不限制;如果pool已經分配了maxActive個jedis實例,則此時pool的狀態爲exhausted(耗盡)。
config.setMaxActive(500);
// 控制一個pool最多有多少個狀態爲idle(空閒的)的jedis實例。
config.setMaxIdle(5);
// 表示當borrow(引入)一個jedis實例時,最大的等待時間,如果超過等待時間,則直接拋出JedisConnectionException;
config.setMaxWait(1000 * 100);
// 在borrow一個jedis實例時,是否提前進行validate操作;如果爲true,則得到的jedis實例均是可用的;
config.setTestOnBorrow(true);
// pool = new JedisPool(config, "192.168.0.121", 6379, 100000);
pool = new JedisPool(config, ip, prot, 100000);
}
}
/**
* <p>通過配置對象 ip 端口 構建連接池</p>
* @param config 配置對象
* @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>通過配置對象 ip 端口 超時時間 構建連接池</p>
* @param config 配置對象
* @param ip ip
* @param prot 端口
* @param timeout 超時時間
*/
public RedisUtil(JedisPoolConfig config ,String ip, int prot ,int timeout){
if (pool == null) {
pool = new JedisPool(config,ip,prot,timeout);
}
}
/**
* <p>通過連接池對象 構建一個連接池</p>
* @param pool 連接池對象
*/
public RedisUtil(JedisPool pool){
if (this.pool == null) {
this.pool = pool;
}
}
/**
* <p>通過key獲取儲存在redis中的value</p>
* <p>並釋放連接</p>
* @param key
* @return 成功返回value 失敗返回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,並釋放連接資源</p>
* <p>如果key已經存在 則覆蓋</p>
* @param key
* @param value
* @return 成功 返回OK 失敗返回 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>刪除指定的key,也可以傳入一個包含key的數組</p>
* @param keys 一個key 也可以使 string 數組
* @return 返回刪除成功的個數
*/
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>通過key向指定的value值追加值</p>
* @param key
* @param str
* @return 成功返回 添加後value的長度 失敗 返回 添加的 value 的長度 異常返回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>判斷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>設置key value,如果key已經存在則返回0,nx==> not exist</p>
* @param key
* @param value
* @return 成功返回1 如果存在 和 發生異常 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>設置key value並制定這個鍵值的有效期</p>
* @param key
* @param value
* @param seconds 單位:秒
* @return 成功返回OK 失敗和異常返回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>通過key 和offset 從指定的位置開始將原先value替換</p>
* <p>下標從0開始,offset表示從offset下標開始替換</p>
* <p>如果替換的字符串長度過小則會這樣</p>
* <p>example:</p>
* <p>value : [email protected]</p>
* <p>str : abc </p>
* <P>從下標7開始替換 則結果爲</p>
* <p>RES : bigsea.abc.cn</p>
* @param key
* @param str
* @param offset 下標位置
* @return 返回替換後 value 的長度
*/
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>通過批量的key獲取批量的value</p>
* @param keys string數組 也可以是一個key
* @return 成功返回value的集合, 失敗返回null的集合 ,異常返回空
*/
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>批量的設置key:value,可以一個</p>
* <p>example:</p>
* <p> obj.mset(new String[]{"key2","value1","key2","value2"})</p>
* @param keysvalues
* @return 成功返回OK 失敗 異常 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>批量的設置key:value,可以一個,如果key已經存在則會失敗,操作會回滾</p>
* <p>example:</p>
* <p> obj.msetnx(new String[]{"key2","value1","key2","value2"})</p>
* @param keysvalues
* @return 成功返回1 失敗返回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>設置key的值,並返回一箇舊值</p>
* @param key
* @param value
* @return 舊值 如果key不存在 則返回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>通過下標 和key 獲取指定下標位置的 value</p>
* @param key
* @param startOffset 開始位置 從0 開始 負數表示從右邊開始截取
* @param endOffset
* @return 如果沒有返回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>通過key 對value進行加值+1操作,當value不是int類型時會返回錯誤,當key不存在是則value爲1</p>
* @param key
* @return 加值後的結果
*/
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>通過key給指定的value加值,如果key不存在,則這是value爲該值</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>對key的值做減減操作,如果key不存在,則設置key爲-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>減去指定的值</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>通過key獲取value值的長度</p>
* @param key
* @return 失敗返回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>通過key給field設置指定的值,如果key不存在,則先創建</p>
* @param key
* @param field 字段
* @param value
* @return 如果存在返回0 異常返回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>通過key給field設置指定的值,如果key不存在則先創建,如果field已經存在,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>通過key同時設置 hash的多個field</p>
* @param key
* @param hash
* @return 返回OK 異常返回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>通過key 和 field 獲取指定的 value</p>
* @param key
* @param field
* @return 沒有返回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>通過key 和 fields 獲取指定的value 如果沒有對應的value則返回null</p>
* @param key
* @param fields 可以使 一個String 也可以是 String數組
* @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>通過key給指定的field的value加上給定的值</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>通過key和field判斷是否有指定的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>通過key返回field的數量</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>通過key 刪除指定的 field </p>
* @param key
* @param fields 可以是 一個 field 也可以是 一個數組
* @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>通過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>通過key返回所有和key有關的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>通過key獲取所有的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>通過key向list頭部添加字符串</p>
* @param key
* @param strs 可以使一個string 也可以使string數組
* @return 返回list的value個數
*/
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>通過key向list尾部添加字符串</p>
* @param key
* @param strs 可以使一個string 也可以使string數組
* @return 返回list的value個數
*/
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>通過key在list指定的位置之前或者之後 添加字符串元素</p>
* @param key
* @param where LIST_POSITION枚舉類型
* @param pivot list裏面的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>通過key設置list指定下標位置的value</p>
* <p>如果下標超過list裏面value的個數則報錯</p>
* @param key
* @param index 從0開始
* @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>通過key從對應的list中刪除指定的count個 和 value相同的元素</p>
* @param key
* @param count 當count爲0時刪除全部
* @param value
* @return 返回被刪除的個數
*/
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>通過key保留list中從strat下標開始到end下標結束的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>通過key從list的頭部刪除一個value,並返回該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>通過key從list尾部刪除一個value,並返回該元素</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>通過key從一個list的尾部刪除一個value並添加到另一個list的頭部,並返回該value</p>
* <p>如果第一個list爲空或者不存在則返回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>通過key獲取list中指定下標位置的value</p>
* @param key
* @param index
* @return 如果沒有返回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>通過key返回list的長度</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>通過key獲取list指定下標位置的value</p>
* <p>如果start 爲 0 end 爲 -1 則返回全部的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>通過key向指定的set中添加value</p>
* @param key
* @param members 可以是一個String 也可以是一個String數組
* @return 添加成功的個數
*/
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>通過key刪除set中對應的value值</p>
* @param key
* @param members 可以是一個String 也可以是一個String數組
* @return 刪除的個數
*/
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>通過key隨機刪除一個set中的value並返回該值</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>通過key獲取set中的差集</p>
* <p>以第一個set爲標準</p>
* @param keys 可以使一個string 則返回set中所有的value 也可以是string數組
* @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>通過key獲取set中的差集並存入到另一個key中</p>
* <p>以第一個set爲標準</p>
* @param dstkey 差集存入的key
* @param keys 可以使一個string 則返回set中所有的value 也可以是string數組
* @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>通過key獲取指定set中的交集</p>
* @param keys 可以使一個string 也可以是一個string數組
* @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>通過key獲取指定set中的交集 並將結果存入新的set中</p>
* @param dstkey
* @param keys 可以使一個string 也可以是一個string數組
* @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>通過key返回所有set的並集</p>
* @param keys 可以使一個string 也可以是一個string數組
* @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>通過key返回所有set的並集,並存入到新的set中</p>
* @param dstkey
* @param keys 可以使一個string 也可以是一個string數組
* @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>通過key將set中的value移除並添加到第二個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>通過key獲取set中value的個數</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>通過key判斷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>通過key獲取set中隨機的value,不刪除元素</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>通過key獲取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>通過key向zset中添加value,score,其中score就是用來排序的</p>
* <p>如果該value已經存在則根據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>通過key向zset中添加value,score,其中score就是用來排序的</p>
* <p>如果該value已經存在則根據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>通過key刪除在zset中指定的value</p>
* @param key
* @param members 可以使一個string 也可以是一個string數組
* @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>通過key增加該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>通過key返回zset中value的排名</p>
* <p>下標從小到大排序</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>通過key返回zset中value的排名</p>
* <p>下標從大到小排序</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>通過key將獲取score從start到end中zset的value</p>
* <p>socre從大到小排序</p>
* <p>當start爲0 end爲-1時返回全部</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>通過key返回指定score內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>通過key返回指定score內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>返回指定區間內zset中value的數量</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>通過key返回zset中的value個數</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>通過key獲取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>通過key刪除給定區間內的元素</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>通過key刪除指定score內的元素</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>返回滿足pattern表達式的所有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>通過key判斷值得類型</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;
}
/**
* 返還到連接池
*
* @param pool
* @param redis
*/
public static void returnResource(JedisPool pool, Jedis jedis) {
if (jedis != null) {
pool.returnResource(jedis);
}
}
}
redis常用操作
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