public void Add(object entity)
{
//断言参入的参数为null或者空字符串（RErrorCode.NullReference - 0x00000001）
PreconditionAssert.IsNotNull(entity, ErrorMessages.NullReferenceException);
ORMHelper.EntityIsMappingDatabase(entity.GetType(), ErrorMessages.EntityMappingError);
ORMHelper.CheckEntityIsNotReadOnly(entity.GetType(), ErrorMessages.EntityReadOnly);
try
{
InsertCommandCreator icc = new InsertCommandCreator(dbAccess);
icc.Entity = entity;
DbCommand dbCommand = icc.GetDbCommand();
dbAccess.ExecCommand(dbCommand);
}
catch (Exception ex)
{
throw new ORMException("Add entity failed, detail:\n\t" + ORMHelper.GetEntityInfoMessage(entity), ex);
}
}