snaker-core/src/main/java/org/snaker/engine/access/AbstractDBAccess.java
private Map<String, Object> buildMap(Object entity, String su) {
		Map<String, Object> map = new HashMap<String, Object>();
		map.put(KEY_ENTITY, entity);
		map.put(KEY_SU, su);
		return map;
	}
private Map<String, Object> buildMap(Object entity, String su) {
		Map<String, Object> map = new HashMap<String, Object>();
		map.put(KEY_ENTITY, entity);
		map.put(KEY_SU, su);
		return map;
	}
isORM为true，只存放对象传递给orm框架
@param entity 实体对象
@param su 保存或更新的标识
@return 构造的map