import org.springframework.data.redis.cache.RedisCachePrefix; //导入依赖的package包/类
@Bean
public CacheManager cacheManager(RedisTemplate redisTemplate) {
    RedisCacheManager manager = new RedisCacheManager(redisTemplate);
    manager.setUsePrefix(true);
    RedisCachePrefix cachePrefix = new RedisPrefix("prefix");
    manager.setCachePrefix(cachePrefix);
    // 整体缓存过期时间
    manager.setDefaultExpiration(3600L);
    // 设置缓存过期时间。key和缓存过期时间，单位秒
    Map<String, Long> expiresMap = new HashMap<>();
    expiresMap.put("user", 1000L);
    manager.setExpires(expiresMap);
    return manager;
}
 

import org.springframework.data.redis.cache.RedisCachePrefix; //导入依赖的package包/类
protected RedisCachePrefix getCachePrefix() {
	return cachePrefix;
}
 

import org.springframework.data.redis.cache.RedisCachePrefix; //导入依赖的package包/类
public RedisCachePrefix getCachePrefix() {
    return cachePrefix;
}
 

import org.springframework.data.redis.cache.RedisCachePrefix; //导入依赖的package包/类
public void setCachePrefix(RedisCachePrefix cachePrefix) {
    this.cachePrefix = cachePrefix;
}
 

import org.springframework.data.redis.cache.RedisCachePrefix; //导入依赖的package包/类
/**
 * Sets the cachePrefix. Defaults to 'DefaultRedisCachePrefix').
 * 
 * @param cachePrefix the cachePrefix to set
 */
public void setCachePrefix(RedisCachePrefix cachePrefix) {
	this.cachePrefix = cachePrefix;
}