/** * 删除id指向的记录 * @param $id * @return unknown_type */ public function delete($id = null) { $this->setId($id); if ($this->_id === null) { throw new Hi_Db_Table_Exception("需要被删除行的id"); } $cond = $this->_table->getCondition(); $cond->add($this->_primaryKey, $this->_id); $this->_table->delete(); }