/**      * 插入insertModel()，利用反射，效率稍差     * @param class $model 对象     * @param bool $is_returnLastInsertId 是否返回添加ID     * @return int 默认返回成功与否，$is_returnLastInsertId 为true，返回添加ID     */     public function insertModel($model,$is_returnLastInsertId=FALSE) {         try {             require_once dirname(dirname(__FILE__)).'\Models\BaseModel.php';             if(!is_subclass_of($model, "BaseModel")){                 exit($this->getError(__FUNCTION__, __LINE__));             }             $className=get_class($model);             $tName = $this->formatTabName($className);             $reflectionClass=new ReflectionClass($className);             $properties=$reflectionClass->getProperties();             unset($properties[0]);             $fields="";             $vals="";             foreach ($properties as $property) {                 $pName=$property->getName();                 $fields.=$pName.",";                 $vals.='\''.$model->$pName.'\''.',';             }             $fields=rtrim($fields,',');             $vals=rtrim($vals,',');             $this->sql = "insert into {$tName} ({$fields}) values ({$vals})";             if($is_returnLastInsertId){                 $this->conn->exec($this->sql);                 $lastId = (int)$this->conn->lastInsertId();                 return $lastId;             }  else {                 $row = $this->conn->exec($this->sql);                 return $row;             }         } catch (Exception $exc) {             echo $exc->getMessage();         }     }