@Override	public <T> Long set(String key,T value, Long cacheSeconds) {		if (value instanceof HashMap) {			BoundHashOperations valueOperations = redisTemplate.boundHashOps(key);			valueOperations.putAll((Map) value);			valueOperations.expire(cacheSeconds, TimeUnit.SECONDS);		}		else{		//使用map存儲(chǔ)		BoundHashOperations valueOperations = redisTemplate.boundHashOps(key);		valueOperations.put(key, value);		//秒		valueOperations.expire(cacheSeconds, TimeUnit.SECONDS);		}		return null;	}	@Override	public void del(String key) {		redisTemplate.delete(key);	}

/**   * 分布式鎖   * @param range 鎖的長(zhǎng)度 允許有多少個(gè)請(qǐng)求搶占資源   * @param key   * @return   */  public boolean getLock(int range, String key) {    ValueOperations<String, Integer> valueOper1 = template.opsForValue();    return valueOper1.increment(key, 1) <= range;  }  /**   * 初始化鎖, 設(shè)置等于0   * @param key   * @param expireSeconds   * @return   */  public void initLock(String key, Long expireSeconds) {    ValueOperations<String, Integer> operations = template.opsForValue();    template.setKeySerializer(new GenericJackson2JsonRedisSerializer());    template.setValueSerializer(new GenericJackson2JsonRedisSerializer());    operations.set(key, 0, expireSeconds * 1000);  }  /**   * 釋放鎖   * @param key   */  public void releaseLock(String key) {    ValueOperations<String, Integer> operations = template.opsForValue();    template.setKeySerializer(new GenericJackson2JsonRedisSerializer());    template.setValueSerializer(new GenericJackson2JsonRedisSerializer());    template.delete(key);  }

import org.springframework.beans.factory.annotation.Autowired;import org.springframework.data.redis.connection.RedisConnectionFactory;import org.springframework.data.redis.connection.jedis.JedisConnection;import org.springframework.stereotype.Service;import org.springframework.util.ReflectionUtils;import redis.clients.jedis.Jedis;import java.lang.reflect.Field;import java.util.Collections;@Servicepublic class RedisLock {  private static final String LOCK_SUCCESS = "OK";  private static final String SET_IF_NOT_EXIST = "NX";  private static final String SET_WITH_EXPIRE_TIME = "PX";  private static final Long RELEASE_SUCCESS = 1L;  @Autowired  private RedisConnectionFactory connectionFactory;  /**   * 嘗試獲取分布式鎖   * @param lockKey 鎖   * @param requestId 請(qǐng)求標(biāo)識(shí)   * @param expireTime 超期時(shí)間   * @return 是否獲取成功   */  public boolean lock(String lockKey, String requestId, int expireTime) {    Field jedisField = ReflectionUtils.findField(JedisConnection.class, "jedis");    ReflectionUtils.makeAccessible(jedisField);    Jedis jedis = (Jedis) ReflectionUtils.getField(jedisField, connectionFactory.getConnection());    String result = jedis.set(lockKey, requestId, SET_IF_NOT_EXIST, SET_WITH_EXPIRE_TIME, expireTime);    if (LOCK_SUCCESS.equals(result)) {      return true;    }    return false;  }  /**   * 釋放分布式鎖   * @param lockKey 鎖   * @param requestId 請(qǐng)求標(biāo)識(shí)   * @return 是否釋放成功   */  public boolean releaseLock(String lockKey, String requestId) {    String script = "if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) else return 0 end";    Object result = getJedis().eval(script, Collections.singletonList(lockKey), Collections.singletonList(requestId));    if (RELEASE_SUCCESS.equals(result)) {      return true;    }    return false;  }  public Jedis getJedis() {    Field jedisField = ReflectionUtils.findField(JedisConnection.class, "jedis");    ReflectionUtils.makeAccessible(jedisField);    Jedis jedis = (Jedis) ReflectionUtils.getField(jedisField, connectionFactory.getConnection());    return jedis;  }}