一.准备要使用的的jar包,我使用了以下jar包，关于json的jar包是方便存储和转换redis用到的值;
二.编写加载redis是要用到的实例类
package com.redis;
import redis.clients.jedis.ShardedJedis;
/**
* @Title: RedisDataSource.java
* @copyright
* @Package com.cy.redis
* @Description: 该接口用于获取redis客户端实例，通过该实例操作redis数据源
* @author
* @date 2016-10-21 下午04:22:41
*/
public interface RedisDataSource {
public abstract ShardedJedis getRedisClient();
public void returnResource(ShardedJedis shardedJedis);
public void returnResource(ShardedJedis shardedJedis,boolean broken);
}
package com.redis;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import redis.clients.jedis.ShardedJedis;
import redis.clients.jedis.ShardedJedisPool;
/**
* @Title: RedisDataSourceImpl.java
* @copyright
* @Package com.cy.redis
* @Description: 获取redis客户端实例，通过该实例操作redis数据源
* @author
* @date 2016-10-21 下午04:22:54
*/
public class RedisDataSourceImpl implements RedisDataSource{
private static final org.slf4j.Logger log = LoggerFactory.getLogger(RedisDataSourceImpl.class);
@Autowired
private ShardedJedisPool shardedJedisPool;
public ShardedJedisPool getShardedJedisPool() {
return shardedJedisPool;
}
public void setShardedJedisPool(ShardedJedisPool shardedJedisPool) {
this.shardedJedisPool = shardedJedisPool;
}
/**
* 获取redis客户端
*/
public ShardedJedis getRedisClient() {
try {
ShardedJedis shardedJedis=shardedJedisPool.getResource();
return shardedJedis;
} catch (Exception e) {
log.error("getRedisClient ,error",e);
e.printStackTrace();
}
return null;
}
/**
* 将资源返还给pool
*/
@SuppressWarnings("deprecation")
public void returnResource(ShardedJedis shardedJedis) {
shardedJedisPool.returnResource(shardedJedis);
}
/**
* 出现异常后返回资源给pool
*/
@SuppressWarnings("deprecation")
public void returnResource(ShardedJedis shardedJedis, boolean broken) {
if(broken){
shardedJedisPool.returnBrokenResource(shardedJedis);
}else{
shardedJedisPool.returnResource(shardedJedis);
}
}
}
package com.redis;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisShardInfo;
import redis.clients.jedis.ShardedJedis;
/**
* @Title: RedisClientTemplate.java
* @copyright
* @Package com.cy.redis
* @Description: 用于操作redis取值、存值操作的工具类
* @author
* @date 2016-10-21 下午04:21:59
*/
public class RedisClientTemplate {
private static final org.slf4j.Logger log=LoggerFactory.getLogger(RedisClientTemplate.class);
@Autowired
private RedisDataSource redisDataSource;
public RedisDataSource getRedisDataSource() {
return redisDataSource;
}
public void setRedisDataSource(RedisDataSource redisDataSource) {
this.redisDataSource = redisDataSource;
}
public void disconnect(){
ShardedJedis shardedJedis=redisDataSource.getRedisClient();
shardedJedis.disconnect();
}
/**
* @Description: 在redis里设置单个值
* @author Mr.chen
* @date 2016-10-21 下午04:37:06
*/
public String set(String key, String value){
String result=null;
ShardedJedis shardedJedis=redisDataSource.getRedisClient();
if(shardedJedis==null){
return result;
}
boolean broken=false;
try {
result=shardedJedis.set(key, value);
} catch (Exception e) {
broken=true;
e.printStackTrace();
}finally{
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 获取redis单个值
* @author Mr.chen
* @date 2016-10-21 下午04:40:57
*/
public String get(String key) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.get(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 判断redis是否存在key
* @author Mr.chen
* @date 2016-10-21 下午04:41:39
*/
public Boolean exists(String key) {
Boolean result = false;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.exists(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 获取key返回存储值的类型
* @author Mr.chen
* @date 2016-10-21 下午04:42:08
*/
public String type(String key) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.type(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 在某段时间后实现
* @author Mr.chen
* @date 2016-10-21 下午04:43:25
*/
public Long expire(String key, int seconds) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.expire(key, seconds);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 在某个时间点失效
* @author Mr.chen
* @date 2016-10-21 下午04:43:40
*/
public Long expireAt(String key, long unixTime) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.expireAt(key, unixTime);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 以秒为单位，返回给定 key 的剩余生存时间
* @author Mr.chen
* @date 2016-10-21 下午04:44:00
*/
public Long ttl(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.ttl(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* @Description: 将 key 的值设为 value ，当且仅当 key 不存在
* @author Mr.chen
* @date 2016-10-21 下午04:44:17
*/
public Long setnx(String key, String value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.setnx(key, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将值 value 关联到 key ，并将 key 的生存时间设为 seconds (以秒为单位)
* @param key
* @param seconds
* @param value
* @return
*/
public String setex(String key, int seconds, String value) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.setex(key, seconds, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将 key 所储存的值减去减量 integer
* @param key
* @param integer
* @return
*/
public Long decrBy(String key, long integer) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.decrBy(key, integer);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将 key 中储存的数字值减一。
* @param key
* @return
*/
public Long decr(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.decr(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将 key 所储存的值加上增量 integer
* @param key
* @param integer
* @return
*/
public Long incrBy(String key, long integer) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.incrBy(key, integer);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将 key 中储存的数字值增一
* @param key
* @return
*/
public Long incr(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.incr(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 如果 key 已经存在并且是一个字符串， APPEND 命令将 value 追加到 key 原来的值的末尾。
* 如果 key 不存在， APPEND 就简单地将给定 key 设为 value ，就像执行 SET key value 一样。
* @param key
* @param value
* @return
*/
public Long append(String key, String value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.append(key, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回名称为key的string的value的子串
* @param key
* @param start
* @param end
* @return
*/
public String substr(String key, int start, int end) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.substr(key, start, end);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将哈希表 key 中的域 field 的值设为 value
* @param key
* @param field
* @param value
* @return
*/
public Long hset(String key, String field, String value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hset(key, field, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回哈希表 key 中给定域 field 的值
* @param key
* @param field
* @return
*/
public String hget(String key, String field) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hget(key, field);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 同时将多个 field-value (域-值)对设置到哈希表 key 中。
* @param key
* @param hash
* @return
*/
public String hmset(String key, Map hash) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hmset(key, hash);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回哈希表 key 中，一个或多个给定域的值
* @param key
* @param fields
* @return
*/
public List hmget(String key, String... fields) {
List result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hmget(key, fields);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 为哈希表 key 中的域 field 的值加上增量 value
* @param key
* @param field
* @param value
* @return
*/
public Long hincrBy(String key, String field, long value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hincrBy(key, field, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 查看哈希表 key 中，给定域 field 是否存在。
* @param key
* @param field
* @return
*/
public Boolean hexists(String key, String field) {
Boolean result = false;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hexists(key, field);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 删除key
* @param key
* @return
*/
public Long del(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.del(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 删除哈希表 key 中的一个或多个指定域。
* @param key
* @param field
* @return
*/
public Long hdel(String key, String field) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hdel(key, field);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回哈希表 key 中域的数量。
* @param key
* @return
*/
public Long hlen(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hlen(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回哈希表 key 中的所有域。
* @param key
* @return
*/
public Set hkeys(String key) {
Set result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hkeys(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回哈希表 key 中所有域的值。
* @param key
* @return
*/
public List hvals(String key) {
List result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hvals(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回哈希表 key 中，所有的域和值。
* @param key
* @return
*/
public Map hgetAll(String key) {
Map result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hgetAll(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
// ================list ====== l表示 list或 left, r表示right====================
/**
* 将一个或多个值 value 插入到列表 key 的表尾(最右边)
* @param key
* @param string
* @return
*/
public Long rpush(String key, String string) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.rpush(key, string);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将一个或多个值 value 插入到列表 key 的表头
* @param key
* @param string
* @return
*/
public Long lpush(String key, String string) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lpush(key, string);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回列表 key 的长度。
* @param key
* @return
*/
public Long llen(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.llen(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回列表 key 中指定区间内的元素，区间以偏移量 start 和 stop 指定
* @param key
* @param start
* @param end
* @return
*/
public List lrange(String key, long start, long end) {
List result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lrange(key, start, end);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 只保留指定区间内的元素，不在指定区间之内的元素都将被删除
* @param key
* @param start
* @param end
* @return
*/
public String ltrim(String key, long start, long end) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.ltrim(key, start, end);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回列表 key 中，下标为 index 的元素。
* @param key
* @param index
* @return
*/
public String lindex(String key, long index) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lindex(key, index);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将列表 key 下标为 index 的元素的值设置为 value
* @param key
* @param index
* @param value
* @return
*/
public String lset(String key, long index, String value) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lset(key, index, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 移除并返回列表 key 的头元素
* @param key
* @return
*/
public String lpop(String key) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lpop(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 移除并返回列表 key 的尾元素。
* @param key
* @return
*/
public String rpop(String key) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.rpop(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
//return 1 add a not exist value ,
//return 0 add a exist value
/**
* 将一个或多个 member 元素加入到集合 key 当中
* @param key
* @param member
* @return
*/
public Long sadd(String key, String member) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.sadd(key, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回集合 key 中的所有成员。
* @param key
* @return
*/
public Set smembers(String key) {
Set result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.smembers(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回集合 key 的基数(集合中元素的数量)
* @param key
* @return
*/
public Long scard(String key) {
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
Long result = null;
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.scard(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 将一个或多个 member 元素及其 score 值加入到有序集 key 当中
* @param key
* @param score
* @param member
* @return
*/
public Long zadd(String key, double score, String member) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zadd(key, score, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回有序集 key 中，指定区间内的成员
* @param key
* @param start
* @param end
* @return
*/
public Set zrange(String key, int start, int end) {
Set result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zrange(key, start, end);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 移除有序集 key 中的一个或多个成员，不存在的成员将被忽略
* @param key
* @param member
* @return
*/
public Long zrem(String key, String member) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zrem(key, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 为有序集 key 的成员 member 的 score 值加上增量 member 。
* @param key
* @param score
* @param member
* @return
*/
public Double zincrby(String key, double score, String member) {
Double result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zincrby(key, score, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 回有序集 key 中成员 member 的排名。其中有序集成员按 score 值递增(从小到大)顺序排列
* @param key
* @param member
* @return
*/
public Long zrank(String key, String member) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zrank(key, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回有序集 key 的基数
* @param key
* @return
*/
public Long zcard(String key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zcard(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回有序集 key 中，成员 member 的 score 值。
* @param key
* @param member
* @return
*/
public Double zscore(String key, String member) {
Double result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zscore(key, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 返回有序集 key 中， score 值在 min 和 max 之间(默认包括 score 值等于 min 或 max )的成员的数量
* @param key
* @param min
* @param max
* @return
*/
public Long zcount(String key, double min, double max) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zcount(key, min, max);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 批量存储
* @param key
* @param value
* @return
*/
public String set(byte[] key, byte[] value) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.set(key, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 获取多个key的值
* @param key
* @return
*/
public byte[] get(byte[] key) {
byte[] result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.get(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 判断多个key存在
* @param key
* @return
*/
public Boolean exists(byte[] key) {
Boolean result = false;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.exists(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long expire(byte[] key, int seconds) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.expire(key, seconds);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long expireAt(byte[] key, long unixTime) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.expireAt(key, unixTime);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long ttl(byte[] key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.ttl(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long append(byte[] key, byte[] value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.append(key, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 批量增加到hash
* @param key
* @param field
* @param value
* @return
*/
public Long hset(byte[] key, byte[] field, byte[] value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hset(key, field, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 批量获取field域值
* @param key
* @param field
* @return
*/
public byte[] hget(byte[] key, byte[] field) {
byte[] result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hget(key, field);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public String hmset(byte[] key, Map hash) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hmset(key, hash);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public List hmget(byte[] key, byte[]... fields) {
List result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hmget(key, fields);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Boolean hexists(byte[] key, byte[] field) {
Boolean result = false;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hexists(key, field);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 批量删除hash的key
* @param key
* @param field
* @return
*/
public Long hdel(byte[] key, byte[] field) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.hdel(key, field);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long rpush(byte[] key, byte[] string) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.rpush(key, string);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long lpush(byte[] key, byte[] string) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lpush(key, string);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long llen(byte[] key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.llen(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public List lrange(byte[] key, int start, int end) {
List result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lrange(key, start, end);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public String lset(byte[] key, int index, byte[] value) {
String result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lset(key, index, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long lrem(byte[] key, int count, byte[] value) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lrem(key, count, value);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public byte[] lpop(byte[] key) {
byte[] result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.lpop(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public byte[] rpop(byte[] key) {
byte[] result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.rpop(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
/**
* 批量增加到set
* @param key
* @param member
* @return
*/
public Long sadd(byte[] key, byte[] member) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.sadd(key, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Set smembers(byte[] key) {
Set result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.smembers(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long scard(byte[] key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.scard(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long zadd(byte[] key, double score, byte[] member) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zadd(key, score, member);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Long zcard(byte[] key) {
Long result = null;
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.zcard(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public JedisShardInfo getShardInfo(String key) {
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
JedisShardInfo result = null;
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.getShardInfo(key);
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Collection getAllShardInfo() {
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
Collection result = null;
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.getAllShardInfo();
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
public Collection getAllShards() {
ShardedJedis shardedJedis = redisDataSource.getRedisClient();
Collection result = null;
if (shardedJedis == null) {
return result;
}
boolean broken = false;
try {
result = shardedJedis.getAllShards();
} catch (Exception e) {
log.error(e.getMessage(), e);
broken = true;
} finally {
redisDataSource.returnResource(shardedJedis, broken);
}
return result;
}
}
三.配置spring xml文件
四.代码中的使用，原则就是在执行service时，先通过key到redis里检测是否存在，如果存在则在
redis里去数据,如果没有则到数据库去数据,然后存到redis里
public class StudentinfoServiceImpl implements StudentinfoService{
private StudentinfoDao studentinfoDao;
private RedisClientTemplate redisClientTemplate;
private static final ObjectMapper mapper=new ObjectMapper();
public List getStudentinfoByStu(Studentinfo stu) {
String key="getStudentinfoByStu:usernumber:"+stu.getUsernumber()+":name:"+stu.getName()+":idnumber:"+stu.getIdnumber();
try {
boolean flag=redisClientTemplate.exists(key);
if(flag){
String stuJsonStr=redisClientTemplate.get(key);
List list=mapper.readValue(stuJsonStr, new TypeReference>() {});
return list;
}
} catch (Exception e) {
e.printStackTrace();
}
String hql="from Studentinfo where 1=1";
if(stu!=null){
if(stu.getUsernumber()!=null){
hql+=" and usernumber like '%"+stu.getUsernumber()+"%' ";
}
}
List list = studentinfoDao.getStudentinfoByStu(hql);
try {
String stuJsonStr=mapper.writeValueAsString(list);
redisClientTemplate.setex(key, 60, stuJsonStr);
} catch (Exception e) {
e.printStackTrace();
}
return list;
}
public StudentinfoDao getStudentinfoDao() {
return studentinfoDao;
}
public void setStudentinfoDao(StudentinfoDao studentinfoDao) {
this.studentinfoDao = studentinfoDao;
}
public RedisClientTemplate getRedisClientTemplate() {
return redisClientTemplate;
}
public void setRedisClientTemplate(RedisClientTemplate redisClientTemplate) {
this.redisClientTemplate = redisClientTemplate;
}
}
原文
