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import org.slf4j.Logger; import org.slf4j.LoggerFactory; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; import redis.clients.jedis.JedisPoolConfig; import java.io.IOException; import java.io.InputStream; import java.util.Properties; public class MyJedisPool { private final static Logger logger = LoggerFactory.getLogger(MyJedisPool.class); private static JedisPool readPool = null; private static JedisPool writePool = null; //静态代码初始化池配置 static { try{ Properties props = new Properties(); InputStream in = MyJedisPool.class.getResourceAsStream("/redis.properties"); props.load(in); //创建jedis池配置实例 JedisPoolConfig config = new JedisPoolConfig(); //设置池配置项值 config.setMaxTotal(Integer.valueOf(props.getProperty("jedis.pool.maxActive"))); config.setMaxIdle(Integer.valueOf(props.getProperty("jedis.pool.maxIdle"))); config.setMaxWaitMillis(Long.valueOf(props.getProperty("jedis.pool.maxWait"))); config.setTestOnBorrow(Boolean.valueOf(props.getProperty("jedis.pool.testOnBorrow"))); config.setTestOnReturn(Boolean.valueOf(props.getProperty("jedis.pool.testOnReturn"))); //根据配置实例化jedis池 readPool = new JedisPool(config, props.getProperty("redisReadURL"), Integer.valueOf(props.getProperty("redisReadPort"))); writePool = new JedisPool(config, props.getProperty("redisWriteURL"), Integer.valueOf(props.getProperty("redisWritePort"))); }catch (IOException e) { logger.info("redis连接池异常",e); } } /**获得jedis对象*/ public static Jedis getReadJedisObject(){ return readPool.getResource(); } /**获得jedis对象*/ public static Jedis getWriteJedisObject(){ return writePool.getResource(); } /**归还jedis对象*/ public static void returnJedisOjbect(Jedis jedis){ if (jedis != null) { jedis.close(); } } }
import redis.clients.jedis.Jedis;
import java.util.Set;
public class RedisUtils {
/**
* 获取hash表中所有key
* @param name
* @return
*/
public static Set<String> getHashAllKey(String name){
Jedis jedis = null;
try {
jedis = MyJedisPool.getReadJedisObject();
return jedis.hkeys(name);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 从redis hash表中获取
* @param hashName
* @param key
* @return
*/
public static String getHashKV(String hashName,String key){
Jedis jedis = null;
try {
jedis = MyJedisPool.getReadJedisObject();
return jedis.hget(hashName, key);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 删除hash表的键值对
* @param hashName
* @param key
*/
public static Long delHashKV(String hashName,String key){
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.hdel(hashName,key);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 存放hash表键值对
* @param hashName
* @param key
* @param value
*/
public static Long setHashKV(String hashName,String key,String value){
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.hset(hashName,key,value);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 删除键值对
* @param k
* @return
*/
public static Long delKV(String k){
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.del(k);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 放键值对
* 永久
* @param k
* @param v
*/
public static String setKV(String k, String v)
{
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.set(k, v);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 放键值对
*
* @param k
* @param v
*/
public static String setKV(String k,int second, String v)
{
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.setex(k,second, v);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 根据key取value
*
* @param k
* @return
*/
public static String getKV(String k)
{
Jedis jedis = null;
try {
jedis = MyJedisPool.getReadJedisObject();
return jedis.get(k);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
}
import java.util.Set;
public class RedisUtils {
/**
* 获取hash表中所有key
* @param name
* @return
*/
public static Set<String> getHashAllKey(String name){
Jedis jedis = null;
try {
jedis = MyJedisPool.getReadJedisObject();
return jedis.hkeys(name);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 从redis hash表中获取
* @param hashName
* @param key
* @return
*/
public static String getHashKV(String hashName,String key){
Jedis jedis = null;
try {
jedis = MyJedisPool.getReadJedisObject();
return jedis.hget(hashName, key);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 删除hash表的键值对
* @param hashName
* @param key
*/
public static Long delHashKV(String hashName,String key){
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.hdel(hashName,key);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 存放hash表键值对
* @param hashName
* @param key
* @param value
*/
public static Long setHashKV(String hashName,String key,String value){
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.hset(hashName,key,value);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 删除键值对
* @param k
* @return
*/
public static Long delKV(String k){
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.del(k);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 放键值对
* 永久
* @param k
* @param v
*/
public static String setKV(String k, String v)
{
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.set(k, v);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 放键值对
*
* @param k
* @param v
*/
public static String setKV(String k,int second, String v)
{
Jedis jedis = null;
try {
jedis = MyJedisPool.getWriteJedisObject();
return jedis.setex(k,second, v);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
/**
* 根据key取value
*
* @param k
* @return
*/
public static String getKV(String k)
{
Jedis jedis = null;
try {
jedis = MyJedisPool.getReadJedisObject();
return jedis.get(k);
}catch (Exception e){
e.printStackTrace();
}finally {
MyJedisPool.returnJedisOjbect(jedis);
}
return null;
}
}
转载：https://www.cnblogs.com/yanqin/p/8342836.html
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