详解java操作Redis数据库的redis工具(RedisUtil,jedis工具JedisUtil,JedisPoolUtil)

package com.bsy.common;
 
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
 
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
 
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;
 
public class JedisPoolUtil {
 
	private static final String PROPERTIES_PATH = "redis.properties";
	private static JedisPool jedisPool;
 
	
	static {
		if (jedisPool == null) {
			try {
				init();
			} catch (FileNotFoundException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
 
	
	private static void init() throws IOException {
		URL resource = JedisPoolUtil.class.getClassLoader().getResource(PROPERTIES_PATH);
		if (resource == null) {
			throw new FileNotFoundException("没有找到指定redis的配置文件:" + PROPERTIES_PATH);
		}
		//加载配置文件
		InputStream input = new FileInputStream(resource.getFile());
		Properties p = new Properties();
		p.load(input);
		//开始配置JedisPool
		String host = p.getProperty("redis.host") == null ? "localhost" : p.getProperty("redis.host");
		int port = p.getProperty("redis.port") == null ? 6379 : Integer.parseInt(p.getProperty("redis.port"));
		String auth = p.getProperty("redis.auth");
		int poolTimeOut = p.getProperty("connectionTimeOut") == null ? 2000
				: Integer.parseInt(p.getProperty("connectionTimeOut"));
		//判断使用默认的配置方式还是采用自定义配置方式,
		boolean isSetDefault = p.getProperty("defaultSetting") == null ? true
				: Boolean.parseBoolean(p.getProperty("defaultSetting"));
		if (isSetDefault) {
			jedisPool = new JedisPool(new GenericObjectPoolConfig(), host, port, poolTimeOut, auth);
		} else {
			JedisPoolConfig config = new JedisPoolConfig();
			String blockWhenExhausted = p.getProperty("redis.blockWhenExhausted");
			if (blockWhenExhausted != null) {
				config.setBlockWhenExhausted(Boolean.parseBoolean(blockWhenExhausted));
			}
			String evictionPolicyClassName = p.getProperty("redis.evictionPolicyClassName");
			if (evictionPolicyClassName != null) {
				config.setEvictionPolicyClassName(evictionPolicyClassName);
			}
			String jmxEnabled = p.getProperty("redis.jmxEnabled");
			if (jmxEnabled != null) {
				config.setJmxEnabled(Boolean.parseBoolean(jmxEnabled));
			}
			String lifo = p.getProperty("redis.lifo");
			if (lifo != null) {
				config.setLifo(Boolean.parseBoolean(lifo));
			}
			String maxIdle = p.getProperty("redis.maxIdle");
			if (maxIdle != null) {
				config.setMaxIdle(Integer.parseInt(maxIdle));
			}
			String maxTotal = p.getProperty("redis.maxTotal");
			if (maxTotal != null) {
				config.setMaxTotal(Integer.parseInt(maxTotal));
			}
			String maxWaitMillis = p.getProperty("redis.maxWaitMillis");
			if (maxWaitMillis != null) {
				config.setMaxWaitMillis(Long.parseLong(maxWaitMillis));
			}
			String minEvictableIdleTimeMillis = p.getProperty("redis.minEvictableIdleTimeMillis");
			if (minEvictableIdleTimeMillis != null) {
				config.setMinEvictableIdleTimeMillis(Long.parseLong(minEvictableIdleTimeMillis));
			}
			String minIdle = p.getProperty("redis.minIdle");
			if (minIdle != null) {
				config.setMinIdle(Integer.parseInt(minIdle));
			}
			String numTestsPerEvictionRun = p.getProperty("redis.numTestsPerEvictionRun");
			if (numTestsPerEvictionRun != null) {
				config.setNumTestsPerEvictionRun(Integer.parseInt(numTestsPerEvictionRun));
			}
			String softMinEvictableIdleTimeMillis = p.getProperty("redis.softMinEvictableIdleTimeMillis");
			if (softMinEvictableIdleTimeMillis != null) {
				config.setSoftMinEvictableIdleTimeMillis(Long.parseLong(softMinEvictableIdleTimeMillis));
			}
			String testOnBorrow = p.getProperty("redis.testOnBorrow");
			if (testOnBorrow != null) {
				config.setTestOnBorrow(Boolean.parseBoolean(testOnBorrow));
			}
			String testWhileIdle = p.getProperty("redis.testWhileIdle");
			if (testWhileIdle != null) {
				config.setTestWhileIdle(Boolean.parseBoolean(testWhileIdle));
			}
			String timeBetweenEvictionRunsMillis = p.getProperty("redus.timeBetweenEvictionRunsMillis");
			if (timeBetweenEvictionRunsMillis != null) {
				config.setTimeBetweenEvictionRunsMillis(Long.parseLong(timeBetweenEvictionRunsMillis));
			}
			jedisPool = new JedisPool(config, host, port, poolTimeOut, auth);
		}
 
	}
 
	public static Jedis getJedis() {
		return jedisPool.getResource();
	}
 
	public static void closeJedis(Jedis jedis) {
		if (jedis != null) {
			jedis.close();
		}
	}
 
}

#redis地址
redis.host=localhost
#redis端口号
redis.port=6379
#redis的密码
#redis.auth=

#是否使用JedisPool默认的配置,确定true,默认true
#defaultSetting=false;
#jedisPool的timeout时间,默认2000
#connectionTimeOut=
#连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true
#redis.blockWhenExhausted=true
#设置的逐出策略类名, 默认DefaultEvictionPolicy(当连接超过最大空闲时间,或连接数超过最大空闲连接数)
#redis.evictionPolicyClassName=org.apache.commons.pool2.impl.DefaultEvictionPolicy
#是否启用pool的jmx管理功能, 默认true
#redis.jmxEnabled=true
#是否启用后进先出, 默认true
#redis.lifo=true
#最大空闲连接数, 默认8个
#redis.maxIdle=8	
#最大连接数, 默认8个
#redis.maxTotal=8
#获取连接时的最大等待毫秒数(如果设置为阻塞时BlockWhenExhausted),如果超时就抛异常, 小于零:阻塞不确定的时间,  默认-1
#redis.maxWaitMillis=-1
#逐出连接的最小空闲时间 默认1800000毫秒(30分钟)
#redis.minEvictableIdleTimeMillis=1800000
#最小空闲连接数, 默认0
#redis.minIdle=0
#每次逐出检查时 逐出的最大数目 如果为负数就是 : 1/abs(n), 默认3
#redis.numTestsPerEvictionRun=3
#对象空闲多久后逐出, 当空闲时间>该值 且 空闲连接>最大空闲数 时直接逐出,不再根据MinEvictableIdleTimeMillis判断  (默认逐出策略)   
#redis.softMinEvictableIdleTimeMillis=1800000
#在获取连接的时候检查有效性, 默认false
#redis.testOnBorrow=false
#在空闲时检查有效性, 默认false
#redis.testWhileIdle=false
#逐出扫描的时间间隔(毫秒) 如果为负数,则不运行逐出线程, 默认-1
#redus.timeBetweenEvictionRunsMillis=-1

package com.bsy.common;
 
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
 
import com.alibaba.fastjson.JSON;
import com.dyuproject.protostuff.LinkedBuffer;
import com.dyuproject.protostuff.ProtostuffIOUtil;
import com.dyuproject.protostuff.runtime.RuntimeSchema;
 
import redis.clients.jedis.Jedis;
import redis.clients.jedis.exceptions.JedisDataException;
 

public class JedisUtil {
	private static final int DEFAULT_SETEX_TIMEOUT = 60 * 60;// setex的默认时间
 
	
	public static int set(String key, String value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			if (jedis.set(key, value).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
 
	}
 
	
	public static int setEx(String key, String value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			if (jedis.setex(key, DEFAULT_SETEX_TIMEOUT, value).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setEx(String key, String value, int timeout) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			if (jedis.setex(key, timeout, value).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> int set(String key, T value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = enSeri(value);
			if (jedis.set(key.getBytes(), data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> int setEx(String key, T value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = enSeri(value);
			if (jedis.setex(key.getBytes(), DEFAULT_SETEX_TIMEOUT, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> int setEx(String key, T value, int timeout) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = enSeri(value);
			if (jedis.setex(key.getBytes(), timeout, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static Long incr(String key) throws JedisDataException {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			return jedis.incr(key);
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static Long decr(String key) throws JedisDataException {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			return jedis.decr(key);
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setList(String key, String... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Long result = jedis.rpush(key, value);
			if (result != null && result != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setExList(String key, String... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Long result = jedis.rpush(key, value);
			jedis.expire(key, DEFAULT_SETEX_TIMEOUT);
			if (result != null && result != 0) {
				return 1;
			} else {
				return 0;
			}
 
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setExList(String key, int timeOut, String... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Long result = jedis.rpush(key, value);
			jedis.expire(key, timeOut);
			if (result != null && result != 0) {
				return 1;
			} else {
				return 0;
			}
 
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	@SafeVarargs
	public static <T> int setList(String key, T... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			int res = 0;
			for (T t : value) {
				byte[] data = enSeri(t);
				Long result = jedis.rpush(key.getBytes(), data);
				if (result != null && result != 0) {
					res++;
				}
			}
			if (res != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	@SafeVarargs
	public static <T> int setExList(String key, T... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			int res = 0;
			for (T t : value) {
				byte[] data = enSeri(t);
				Long result = jedis.rpush(key.getBytes(), data);
				if (result != null && result != 0) {
					res++;
				}
			}
			jedis.expire(key, DEFAULT_SETEX_TIMEOUT);
			if (res != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	@SafeVarargs
	public static <T> int setExList(String key, int timeOut, T... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			int res = 0;
			for (T t : value) {
				byte[] data = enSeri(t);
				Long result = jedis.rpush(key.getBytes(), data);
				if (result != null && result != 0) {
					res++;
				}
			}
			jedis.expire(key, timeOut);
			if (res != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> int setList(String key, List<T> value) throws RuntimeException, IOException {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = enSeriList(value);
			if (jedis.set(key.getBytes(), data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
 
	public static <T> int setExList(String key, List<T> value) throws RuntimeException, IOException {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = enSeriList(value);
			if (jedis.setex(key.getBytes(), DEFAULT_SETEX_TIMEOUT, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> int setExList(String key, List<T> value, int timeout) throws RuntimeException, IOException {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = enSeriList(value);
			if (jedis.setex(key.getBytes(), timeout, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setSet(String key, String... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Long result = jedis.sadd(key, value);
			if (result != null && result != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setExSet(String key, String... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Long result = jedis.sadd(key, value);
			jedis.expire(key, DEFAULT_SETEX_TIMEOUT);
			if (result != null && result != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static int setExSet(String key, int timeOut, String... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Long result = jedis.sadd(key, value);
			jedis.expire(key, timeOut);
			if (result != null && result != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	@SafeVarargs
	public static <T> int setSet(String key, T... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			int res = 0;
			for (T t : value) {
				byte[] data = enSeri(t);
				Long result = jedis.sadd(key.getBytes(), data);
				if (result != null && result != 0) {
					res++;
				}
			}
			if (res != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	@SafeVarargs
	public static <T> int setExSet(String key, T... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			int res = 0;
			for (T t : value) {
				byte[] data = enSeri(t);
				Long result = jedis.sadd(key.getBytes(), data);
				if (result != null && result != 0) {
					res++;
				}
			}
			jedis.expire(key, DEFAULT_SETEX_TIMEOUT);
			if (res != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	@SafeVarargs
	public static <T> int setExSet(String key, int timeOut, T... value) {
		if (isValueNull(key, value)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			int res = 0;
			for (T t : value) {
				byte[] data = enSeri(t);
				Long result = jedis.sadd(key.getBytes(), data);
				if (result != null && result != 0) {
					res++;
				}
			}
			jedis.expire(key, timeOut);
			if (res != 0) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <K, V> int setMap(String key, Map<K, V> value) {
		if (value == null || key == null || "".equals(key)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			String data = JSON.toJSONString(value);
			if (jedis.set(key, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <K, V> int setExMap(String key, Map<K, V> value) {
		if (value == null || key == null || "".equals(key)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			String data = JSON.toJSONString(value);
			if (jedis.setex(key, DEFAULT_SETEX_TIMEOUT, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <K, V> int setExMap(String key, Map<K, V> value, int timeout) {
		if (value == null || key == null || "".equals(key)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			String data = JSON.toJSONString(value);
			if (jedis.setex(key, timeout, data).equalsIgnoreCase("ok")) {
				return 1;
			} else {
				return 0;
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static String get(String key) {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			return jedis.get(key);
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> T get(String key, Class<T> clazz) {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
 
			byte[] data = jedis.get(key.getBytes());
			T result = deSeri(data, clazz);
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static List<String> getList(String key, long start, long end) {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			List<String> result = jedis.lrange(key, start, end);
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> List<T> getList(String key, long start, long end, Class<T> clazz) {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			List<byte[]> lrange = jedis.lrange(key.getBytes(), start, end);
			List<T> result = null;
			if (lrange != null) {
				for (byte[] data : lrange) {
					if (result == null) {
						result = new ArrayList<>();
					}
					result.add(deSeri(data, clazz));
				}
			}
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static long getListCount(String key) {
		if (isValueNull(key)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			return jedis.llen(key);
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> List<T> getList(String key, Class<T> clazz) throws IOException {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			byte[] data = jedis.get(key.getBytes());
			List<T> result = deSeriList(data, clazz);
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static Set<String> getSet(String key) {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Set<String> result = jedis.smembers(key);
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <T> Set<T> getSet(String key, Class<T> clazz) {
		if (isValueNull(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			Set<byte[]> smembers = jedis.smembers(key.getBytes());
			Set<T> result = null;
			if (smembers != null) {
				for (byte[] data : smembers) {
					if (result == null) {
						result = new HashSet<>();
					}
					result.add(deSeri(data, clazz));
				}
			}
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static long getSetCount(String key) {
		if (isValueNull(key)) {
			return 0;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			return jedis.scard(key);
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static <K, V> Map<K, V> getMap(String key, Class<K> k, Class<V> v) {
		if (key == null || "".equals(key)) {
			return null;
		}
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			String data = jedis.get(key);
			@SuppressWarnings("unchecked")
			Map<K, V> result = (Map<K, V>) JSON.parseObject(data);
			return result;
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	
	public static void del(String... key) {
		Jedis jedis = null;
		try {
			jedis = JedisPoolUtil.getJedis();
			for (int i = 0; i < key.length; i++) {
				jedis.del(key);
			}
		} finally {
			JedisPoolUtil.closeJedis(jedis);
		}
	}
 
	// --------------------------公用方法区------------------------------------
	
	private static boolean isValueNull(Object... obj) {
		for (int i = 0; i < obj.length; i++) {
			if (obj[i] == null || "".equals(obj[i])) {
				return true;
			}
		}
		return false;
	}
 
	
	private static <T> byte[] enSeri(T value) {
		@SuppressWarnings("unchecked")
		RuntimeSchema<T> schema = (RuntimeSchema<T>) RuntimeSchema.createFrom(value.getClass());
		byte[] data = ProtostuffIOUtil.toByteArray(value, schema,
				LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE));
		return data;
	}
 
	
	private static <T> T deSeri(byte[] data, Class<T> clazz) {
		if (data == null || data.length == 0) {
			return null;
		}
		RuntimeSchema<T> schema = RuntimeSchema.createFrom(clazz);
		T result = schema.newMessage();
		ProtostuffIOUtil.mergeFrom(data, result, schema);
		return result;
	}
 
	
	private static <T> byte[] enSeriList(List<T> list) throws RuntimeException, IOException {
		if (list == null || list.size() == 0) {
			throw new RuntimeException("集合不能为空!");
		}
		@SuppressWarnings("unchecked")
		RuntimeSchema<T> schema = (RuntimeSchema<T>) RuntimeSchema.getSchema(list.get(0).getClass());
		ByteArrayOutputStream out = new ByteArrayOutputStream();
		ProtostuffIOUtil.writeListTo(out, list, schema, LinkedBuffer.allocate(LinkedBuffer.DEFAULT_BUFFER_SIZE));
		byte[] byteArray = out.toByteArray();
		return byteArray;
	}
 
	
	private static <T> List<T> deSeriList(byte[] data, Class<T> clazz) throws IOException {
		if (data == null || data.length == 0) {
			return null;
		}
		RuntimeSchema<T> schema = RuntimeSchema.createFrom(clazz);
		List<T> result = ProtostuffIOUtil.parseListFrom(new ByteArrayInputStream(data), schema);
		return result;
	}
 
}