以点连接 快速获取子级节点的值
@param string $name
@return ActiveData|null
493621
public function get($name)
    {
        if (strpos($name, '.')) {
            $names = explode('.', $name);
            $node = $this;

            foreach ($names as $n) {
                if ($node instanceof self && property_exists($node, $n)) {
                    $node = $node->$n;
                } else {
                    if ($this->isStrict()) {
                        exit("Stored data don't exists node '$n'\n");
                    }

                    $node = null;
                    break;
                }
            }

            return $node;
        }

        return property_exists($this, $name) ? $this->$name : null;
    }
923377
public function findChildrenByParentName($name)
    {
        $parent = $this->findOneByName($name);

        return $this->findChildrenByParentId($parent->getId());
    }
1300756
public static function get($name = 'default')
    {
        if (!isset(self::$connections[$name])) {
            return null;
        }

        $connector = self::$connections[$name];

        return $connector->connection();
    }
1039566
public function post($name = '')
    {
        $data = $this->filter($_POST);

        if (empty($name)) {
            return $data;
        } else {
            return isset($data[$name]) ? $data[$name] : null;
        }
    }
420362
public function getAttribute($name)
    {
        $attributes = $this->getAttributes();

        if (isset($attributes[$name])) {
            return $attributes[$name];
        }

        return null;
    }
323982
public function getValue($name)
    {
        if (! is_string($name)) {
            return null;
        }

        $bits = explode('.', $name);
        $postData = $_POST;

        foreach ($bits as $key) {
            if (is_array($postData) && isset($postData[$key])) {
                $postData = $postData[$key];
            } else {
                return null;
            }
        }

        return $postData;
    }
653712
public function getDirective($name)
    {
        $name = strtolower(trim($name));
        return (isset($this->directives[$name]) ? $this->directives[$name] : null);
    }
145210
public function getParam($name)
    {
        if ( ! is_string($name) || ! isset($this->data[$name])) {
            return null;
        }

        return $this->data[$name];
    }
102018
public function find( $name )
    {
        if ( ! $this->getEnabledList()
                    ->isEnabled( $name ) )
        {
            return null;
        }

        $data = $this->queryData( $name );

        if ( $data )
        {
            $structure = new Structure( $data );
            $structure->setMapper( $this );
            return $structure;
        }

        return null;
    }
1012532
public function get($name)
    {
        return isset($this->items[$name]) ? $this->items[$name] : null;
    }
480801
public function getDataAttribute($name)
    {
        if (isset($this->dataAttributes[$name])) {
            return $this->dataAttributes[$name];
        }
        return null;
    }
529238
public function getAttribute($name)
    {
        return array_key_exists($name, $this->data['data']) ? $this->data['data'][$name] : null;
    }
653293
public function getData($name=NULL) {
		if(!isset($this->payload['params']['data'])) {
			return NULL;
		}
		$data = $this->payload['params']['data'];
		if(isset($name)) {
			if(isset($data[$name])) {
				return $data[$name];
			}
		} else {
			return $data;
		}
		return NULL;
	}
492616
public function getData($name)
    {
        return isset($this->builderConfig[$name]) ? $this->builderConfig[$name] : null;
    }
141726
public function get($name)
    {
        if (!$name || strpos($name, '.') !== FALSE) {
            return NULL;
        }
		$class = ucfirst($name);
		$files = 'Huasituo\Hstcms\Libraries\Fields';
		$fieldClass = $this->field_class($files, $class);
		if(!class_exists($fieldClass)) {
            return NULL;
		}
		if (isset($this->objects[$class])) {
			return $this->objects[$class];
		} else {
			return $this->objects[$class] = new $fieldClass();
		}
	}
1047444
public function get($name)
    {
        return isset($this->value[$name])
            ? $this->value[$name]
            : null;
    }
395104
public function get(string $name): ?string
    {
        return $this->dataContainer[RequestDataContainer::VAR_HEADER_RAW][$name] ?? null;
    }