自分で書いたRedisツールクラス

package com.yzs.plat.process.common.utils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * redis    
 */
@Component
public class RedisUtil {

	@Autowired
	private RedisTemplate redisTemplate;
	@Autowired
	private StringRedisTemplate stringRedisTemplate;

	/**
	 *         
	 * 
	 * @param key   
	 * @param time   ( )
	 * @return
	 */
	public boolean expire(String key, long time) {
		try {
			if (time > 0) {
				redisTemplate.expire(key, time, TimeUnit.SECONDS);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 *   key       
	 * 
	 * @param key      null
	 * @return   ( )   0       
	 */
	public long getExpire(String key) {
		return redisTemplate.getExpire(key, TimeUnit.SECONDS);
	}

	/**
	 *   key    
	 * 
	 * @param key  
	 * @return true    false   
	 */
	public boolean hasKey(String key) {
		try {
			return redisTemplate.hasKey(key);
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 *     
	 * 
	 * @param key           
	 */
	@SuppressWarnings("unchecked")
	public void del(String... key) {
		if (key != null && key.length > 0) {
			if (key.length == 1) {
				redisTemplate.delete(key[0]);
			} else {
				redisTemplate.delete(CollectionUtils.arrayToList(key));
			}
		}
	}

	// ============================String=============================
	/**
	 *       
	 * 
	 * @param key  
	 * @return  
	 */
	public Object get(String key) {
		return key == null ? null : redisTemplate.opsForValue().get(key);
	}

	/**
	 *       
	 * 
	 * @param key    
	 * @param value  
	 * @return true   false  
	 */
	public boolean set(String key, Object value) {
		try {
			redisTemplate.opsForValue().set(key, value);
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}

	}

	/**
	 *            
	 * 
	 * @param key    
	 * @param value  
	 * @param time    ( ) time   0   time    0       
	 * @return true   false   
	 */
	public boolean set(String key, Object value, long time) {
		try {
			if (time > 0) {
				redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
			} else {
				set(key, value);
			}
			return true;
		} catch (Exception e) {
			e.printStackTrace();
			return false;
		}
	}

	/**
	 *   
	 * 
	 * @param key  
	 * @param by      (  0)
	 * @return
	 */
	public long incr(String key, long delta) {
		if (delta < 0) {
			throw new RuntimeException("        0");
		}
		return redisTemplate.opsForValue().increment(key, delta);
	}

	/**
	 *   
	 * 
	 * @param key  
	 * @param by      (  0)
	 * @return
	 */
	public long decr(String key, long delta) {
		if (delta < 0) {
			throw new RuntimeException("        0");
		}
		return redisTemplate.opsForValue().increment(key, -delta);
	}

	// ================================Map=================================
	/**
	 * HashGet
	 * 
	 * @param key       null
	 * @param item      null
	 * @return  
	 */
	public Object hget(String key, String item) {
		return redisTemplate.opsForHash().get(key, item);
	}

	/**
	 *   hashKey       
	 * 
	 * @param key  
	 * @return        
	 */
	public Map