code: public void removeCache(Object dataKey) {
  		if (dataKey == null)
  			return;
  		try {
  			for (Object o : cache.keySet()) {
  				String key = (String) o;
  				Object cachedValue = (Object) cache.get(key);
  				if (cachedValue instanceof CacheableWrapper) {
  					CacheableWrapper cw = (CacheableWrapper) cachedValue;
  					if (cw.getCachedValueKey().equals(dataKey.toString()))
  						removeObect(key);
  				}
  			}
  		} catch (Exception e) {
  			e.printStackTrace();
  		}
  	}
docs: 清除缓存中该dataKey的相关所有缓存数据 当该dataKey相关的数据增删改时，调用本方法。以便及时清除缓存。
  
  dataKey是数据的ID，如ProductId , ItemId等
  
  @param dataKey
  @param formName