mybatis的redis缓存扩展库已经n久没有更新过了，最新的还是1.0.0-betal2 版本。

mybatis redis扩展存在很多问题，比如，他需要你单独配置redis的为他配置单独的redis配置信息，不支持集群，很挫，我们可以把他的RedisCache重写下，使用RedisTemplate来写，简化代码，增加可读性，与项目浑然一体统一配置

import org.apache.ibatis.cache.Cache;import org.springframework.data.redis.connection.RedisConnectionFactory;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.web.context.ContextLoader;import org.springframework.web.context.WebApplicationContext;import java.util.concurrent.locks.ReadWriteLock;import java.util.concurrent.locks.ReentrantReadWriteLock;/** * * @Title: * @Description: * @author: hollowJ * @date: 2016/11/21 * @version: V1.0.0 *//** * Cache adapter for Redis. * * @author Eduardo Macarron */public final class RedisCache2 implements Cache {    private final ReadWriteLock readWriteLock = new ReentrantReadWriteLock();    private String id;    private RedisConnectionFactory redisConnectionFactory;    private RedisTemplate
    
      redisTemplate;    public RedisCache2(final String id) {        if (id == null) {            throw new IllegalArgumentException("Cache instances require an ID");        }        this.id = id;    }    @Override    public String getId() {        return this.id;    }    @Override    public int getSize() {        return Integer.valueOf(getRedisTemplate().opsForHash().size(id).toString());    }    @Override    public void putObject(final Object key, final Object value) {        getRedisTemplate().opsForHash().put(id, key, value);    }    @Override    public Object getObject(final Object key) {        return getRedisTemplate().opsForHash().get(id, key);    }    @Override    public Object removeObject(final Object key) {        return getRedisTemplate().opsForHash().delete(id, key);    }    @Override    public void clear() {        getRedisTemplate().opsForHash().delete(id);    }    @Override    public ReadWriteLock getReadWriteLock() {        return readWriteLock;    }    @Override    public String toString() {        return "Redis {" + id + "}";    }    private RedisTemplate
     
       getRedisTemplate() {        WebApplicationContext currentWebApplicationContext = ContextLoader.getCurrentWebApplicationContext();        return (RedisTemplate
      
       ) currentWebApplicationContext.getBean("redisTemplate");    }}