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.. _class_ClassDB:
ClassDB
=======
**繼承:** :ref:`Object<class_Object>`
類資訊的儲存庫。
.. rst-class:: classref-introduction-group
說明
----
Provides access to metadata stored for every available engine class.
\ **Note:** Script-defined classes with ``class_name`` are not part of **ClassDB**, so they will not return reflection data such as a method or property list. However, :ref:`GDExtension<class_GDExtension>`-defined classes *are* part of **ClassDB**, so they will return reflection data.
.. rst-class:: classref-reftable-group
方法
----
.. table::
:widths: auto
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`can_instantiate<class_ClassDB_method_can_instantiate>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Variant<class_Variant>` | :ref:`class_call_static<class_ClassDB_method_class_call_static>`\ (\ class\: :ref:`StringName<class_StringName>`, method\: :ref:`StringName<class_StringName>`, ...\ ) |vararg| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`class_exists<class_ClassDB_method_class_exists>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`APIType<enum_ClassDB_APIType>` | :ref:`class_get_api_type<class_ClassDB_method_class_get_api_type>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedStringArray<class_PackedStringArray>` | :ref:`class_get_enum_constants<class_ClassDB_method_class_get_enum_constants>`\ (\ class\: :ref:`StringName<class_StringName>`, enum\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedStringArray<class_PackedStringArray>` | :ref:`class_get_enum_list<class_ClassDB_method_class_get_enum_list>`\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`class_get_integer_constant<class_ClassDB_method_class_get_integer_constant>`\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`StringName<class_StringName>` | :ref:`class_get_integer_constant_enum<class_ClassDB_method_class_get_integer_constant_enum>`\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedStringArray<class_PackedStringArray>` | :ref:`class_get_integer_constant_list<class_ClassDB_method_class_get_integer_constant_list>`\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`int<class_int>` | :ref:`class_get_method_argument_count<class_ClassDB_method_class_get_method_argument_count>`\ (\ class\: :ref:`StringName<class_StringName>`, method\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`class_get_method_list<class_ClassDB_method_class_get_method_list>`\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Variant<class_Variant>` | :ref:`class_get_property<class_ClassDB_method_class_get_property>`\ (\ object\: :ref:`Object<class_Object>`, property\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Variant<class_Variant>` | :ref:`class_get_property_default_value<class_ClassDB_method_class_get_property_default_value>`\ (\ class\: :ref:`StringName<class_StringName>`, property\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`StringName<class_StringName>` | :ref:`class_get_property_getter<class_ClassDB_method_class_get_property_getter>`\ (\ class\: :ref:`StringName<class_StringName>`, property\: :ref:`StringName<class_StringName>`\ ) |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`class_get_property_list<class_ClassDB_method_class_get_property_list>`\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`StringName<class_StringName>` | :ref:`class_get_property_setter<class_ClassDB_method_class_get_property_setter>`\ (\ class\: :ref:`StringName<class_StringName>`, property\: :ref:`StringName<class_StringName>`\ ) |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Dictionary<class_Dictionary>` | :ref:`class_get_signal<class_ClassDB_method_class_get_signal>`\ (\ class\: :ref:`StringName<class_StringName>`, signal\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`class_get_signal_list<class_ClassDB_method_class_get_signal_list>`\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`class_has_enum<class_ClassDB_method_class_has_enum>`\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`class_has_integer_constant<class_ClassDB_method_class_has_integer_constant>`\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`class_has_method<class_ClassDB_method_class_has_method>`\ (\ class\: :ref:`StringName<class_StringName>`, method\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`class_has_signal<class_ClassDB_method_class_has_signal>`\ (\ class\: :ref:`StringName<class_StringName>`, signal\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`class_set_property<class_ClassDB_method_class_set_property>`\ (\ object\: :ref:`Object<class_Object>`, property\: :ref:`StringName<class_StringName>`, value\: :ref:`Variant<class_Variant>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedStringArray<class_PackedStringArray>` | :ref:`get_class_list<class_ClassDB_method_get_class_list>`\ (\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`PackedStringArray<class_PackedStringArray>` | :ref:`get_inheriters_from_class<class_ClassDB_method_get_inheriters_from_class>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`StringName<class_StringName>` | :ref:`get_parent_class<class_ClassDB_method_get_parent_class>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Variant<class_Variant>` | :ref:`instantiate<class_ClassDB_method_instantiate>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`is_class_enabled<class_ClassDB_method_is_class_enabled>`\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`is_class_enum_bitfield<class_ClassDB_method_is_class_enum_bitfield>`\ (\ class\: :ref:`StringName<class_StringName>`, enum\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`is_parent_class<class_ClassDB_method_is_parent_class>`\ (\ class\: :ref:`StringName<class_StringName>`, inherits\: :ref:`StringName<class_StringName>`\ ) |const| |
+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
列舉
----
.. _enum_ClassDB_APIType:
.. rst-class:: classref-enumeration
enum **APIType**: :ref:`🔗<enum_ClassDB_APIType>`
.. _class_ClassDB_constant_API_CORE:
.. rst-class:: classref-enumeration-constant
:ref:`APIType<enum_ClassDB_APIType>` **API_CORE** = ``0``
Native Core class type.
.. _class_ClassDB_constant_API_EDITOR:
.. rst-class:: classref-enumeration-constant
:ref:`APIType<enum_ClassDB_APIType>` **API_EDITOR** = ``1``
Native Editor class type.
.. _class_ClassDB_constant_API_EXTENSION:
.. rst-class:: classref-enumeration-constant
:ref:`APIType<enum_ClassDB_APIType>` **API_EXTENSION** = ``2``
GDExtension class type.
.. _class_ClassDB_constant_API_EDITOR_EXTENSION:
.. rst-class:: classref-enumeration-constant
:ref:`APIType<enum_ClassDB_APIType>` **API_EDITOR_EXTENSION** = ``3``
GDExtension Editor class type.
.. _class_ClassDB_constant_API_NONE:
.. rst-class:: classref-enumeration-constant
:ref:`APIType<enum_ClassDB_APIType>` **API_NONE** = ``4``
Unknown class type.
.. rst-class:: classref-section-separator
----
.. rst-class:: classref-descriptions-group
方法說明
--------
.. _class_ClassDB_method_can_instantiate:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **can_instantiate**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_can_instantiate>`
如果可以從指定的 ``class`` 產生實體物件,則返回 ``true``\ ,否則返回 ``false``\ 。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_call_static:
.. rst-class:: classref-method
:ref:`Variant<class_Variant>` **class_call_static**\ (\ class\: :ref:`StringName<class_StringName>`, method\: :ref:`StringName<class_StringName>`, ...\ ) |vararg| :ref:`🔗<class_ClassDB_method_class_call_static>`
Calls a static method on a class.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_exists:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **class_exists**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_exists>`
返回指定的類 ``class`` 是否可用。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_api_type:
.. rst-class:: classref-method
:ref:`APIType<enum_ClassDB_APIType>` **class_get_api_type**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_api_type>`
Returns the API type of the specified ``class``.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_enum_constants:
.. rst-class:: classref-method
:ref:`PackedStringArray<class_PackedStringArray>` **class_get_enum_constants**\ (\ class\: :ref:`StringName<class_StringName>`, enum\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_enum_constants>`
返回一個陣列,其中包含 ``class`` 或其祖先的 ``enum`` 中的所有鍵。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_enum_list:
.. rst-class:: classref-method
:ref:`PackedStringArray<class_PackedStringArray>` **class_get_enum_list**\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_enum_list>`
返回一個陣列,其中包含 ``class`` 或其祖先的所有列舉。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_integer_constant:
.. rst-class:: classref-method
:ref:`int<class_int>` **class_get_integer_constant**\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_integer_constant>`
返回 ``class`` 或其父級的整數常數值 ``name``\ 。如果找不到該常數則總是返回0。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_integer_constant_enum:
.. rst-class:: classref-method
:ref:`StringName<class_StringName>` **class_get_integer_constant_enum**\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_integer_constant_enum>`
返回 ``class`` 或其祖先的整數常數 ``name`` 所屬的列舉。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_integer_constant_list:
.. rst-class:: classref-method
:ref:`PackedStringArray<class_PackedStringArray>` **class_get_integer_constant_list**\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_integer_constant_list>`
返回包含 ``class`` 或其父級全部整數常數的名稱陣列。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_method_argument_count:
.. rst-class:: classref-method
:ref:`int<class_int>` **class_get_method_argument_count**\ (\ class\: :ref:`StringName<class_StringName>`, method\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_method_argument_count>`
Returns the number of arguments of the method ``method`` of ``class`` or its ancestry if ``no_inheritance`` is ``false``.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_method_list:
.. rst-class:: classref-method
:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **class_get_method_list**\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_method_list>`
如果 ``no_inheritance````false``\ ,則返回包含 ``class`` 或其祖先的所有方法的陣列。陣列的每個元素都是一個 :ref:`Dictionary<class_Dictionary>`\ ,包含以下鍵:\ ``args``\ 、\ ``default_args``\ 、\ ``flags``\ 、\ ``id``\ 、\ ``name``\ 、\ ``return: (class_name, hint, hint_string, name, type, usage)``\ 。
\ **注意:**\ 在匯出的發行版本中,除錯資訊不可用,因此返回的字典將僅包含方法名稱。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_property:
.. rst-class:: classref-method
:ref:`Variant<class_Variant>` **class_get_property**\ (\ object\: :ref:`Object<class_Object>`, property\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_property>`
返回 ``object`` 或其父級 ``property`` 的屬性值。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_property_default_value:
.. rst-class:: classref-method
:ref:`Variant<class_Variant>` **class_get_property_default_value**\ (\ class\: :ref:`StringName<class_StringName>`, property\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_property_default_value>`
Returns the default value of ``property`` of ``class`` or its ancestor classes.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_property_getter:
.. rst-class:: classref-method
:ref:`StringName<class_StringName>` **class_get_property_getter**\ (\ class\: :ref:`StringName<class_StringName>`, property\: :ref:`StringName<class_StringName>`\ ) :ref:`🔗<class_ClassDB_method_class_get_property_getter>`
Returns the getter method name of ``property`` of ``class``.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_property_list:
.. rst-class:: classref-method
:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **class_get_property_list**\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_property_list>`
如果 ``no_inheritance````false``\ ,則返回包含 ``class`` 或其祖先的所有屬性的陣列。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_property_setter:
.. rst-class:: classref-method
:ref:`StringName<class_StringName>` **class_get_property_setter**\ (\ class\: :ref:`StringName<class_StringName>`, property\: :ref:`StringName<class_StringName>`\ ) :ref:`🔗<class_ClassDB_method_class_get_property_setter>`
Returns the setter method name of ``property`` of ``class``.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_signal:
.. rst-class:: classref-method
:ref:`Dictionary<class_Dictionary>` **class_get_signal**\ (\ class\: :ref:`StringName<class_StringName>`, signal\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_signal>`
返回 ``class`` 或其祖先的 ``signal`` 資料。返回值是具有以下鍵的 :ref:`Dictionary<class_Dictionary>`\ \ ``args``\ 、\ ``default_args``\ 、\ ``flags``\ 、\ ``id``\ 、\ ``name``\ 、\ ``return: (class_name, hint, hint_string, name, type, usage)``\ 。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_get_signal_list:
.. rst-class:: classref-method
:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **class_get_signal_list**\ (\ class\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_get_signal_list>`
如果 ``no_inheritance````false``\ ,則返回包含 ``class`` 或其祖先的所有訊號的陣列。陣列的每個元素都是一個如 :ref:`class_get_signal()<class_ClassDB_method_class_get_signal>` 中所述的 :ref:`Dictionary<class_Dictionary>`\ 。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_has_enum:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **class_has_enum**\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_has_enum>`
返回類 ``class`` 或其祖類是否有名為 ``name`` 的列舉。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_has_integer_constant:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **class_has_integer_constant**\ (\ class\: :ref:`StringName<class_StringName>`, name\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_has_integer_constant>`
返回類 ``class`` 或其祖類是否有名為 ``name`` 的整數常數。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_has_method:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **class_has_method**\ (\ class\: :ref:`StringName<class_StringName>`, method\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_class_has_method>`
返回類 ``class`` 是否有名為 ``method`` 的方法(如果 ``no_inheritance````false`` 則還會檢查其祖類)。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_has_signal:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **class_has_signal**\ (\ class\: :ref:`StringName<class_StringName>`, signal\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_has_signal>`
返回類 ``class`` 或其祖類是否有名為 ``signal`` 的訊號。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_class_set_property:
.. rst-class:: classref-method
:ref:`Error<enum_@GlobalScope_Error>` **class_set_property**\ (\ object\: :ref:`Object<class_Object>`, property\: :ref:`StringName<class_StringName>`, value\: :ref:`Variant<class_Variant>`\ ) |const| :ref:`🔗<class_ClassDB_method_class_set_property>`
將物件 ``object````property`` 屬性值設定為 ``value``\ 。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_get_class_list:
.. rst-class:: classref-method
:ref:`PackedStringArray<class_PackedStringArray>` **get_class_list**\ (\ ) |const| :ref:`🔗<class_ClassDB_method_get_class_list>`
Returns the names of all engine classes available.
\ **Note:** Script-defined classes with ``class_name`` are not included in this list. Use :ref:`ProjectSettings.get_global_class_list()<class_ProjectSettings_method_get_global_class_list>` to get a list of script-defined classes instead.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_get_inheriters_from_class:
.. rst-class:: classref-method
:ref:`PackedStringArray<class_PackedStringArray>` **get_inheriters_from_class**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_get_inheriters_from_class>`
Returns the names of all engine classes that directly or indirectly inherit from ``class``.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_get_parent_class:
.. rst-class:: classref-method
:ref:`StringName<class_StringName>` **get_parent_class**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_get_parent_class>`
返回 ``class`` 的父類。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_instantiate:
.. rst-class:: classref-method
:ref:`Variant<class_Variant>` **instantiate**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_instantiate>`
建立 ``class`` 的實例。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_is_class_enabled:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **is_class_enabled**\ (\ class\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_is_class_enabled>`
返回這個 ``class`` 是否已啟用。
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_is_class_enum_bitfield:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **is_class_enum_bitfield**\ (\ class\: :ref:`StringName<class_StringName>`, enum\: :ref:`StringName<class_StringName>`, no_inheritance\: :ref:`bool<class_bool>` = false\ ) |const| :ref:`🔗<class_ClassDB_method_is_class_enum_bitfield>`
Returns whether ``class`` (or its ancestor classes if ``no_inheritance`` is ``false``) has an enum called ``enum`` that is a bitfield.
.. rst-class:: classref-item-separator
----
.. _class_ClassDB_method_is_parent_class:
.. rst-class:: classref-method
:ref:`bool<class_bool>` **is_parent_class**\ (\ class\: :ref:`StringName<class_StringName>`, inherits\: :ref:`StringName<class_StringName>`\ ) |const| :ref:`🔗<class_ClassDB_method_is_parent_class>`
返回 ``inherits`` 是否為 ``class`` 的祖先。
.. |virtual| replace:: :abbr:`virtual (本方法通常需要使用者覆寫才能生效。)`
.. |required| replace:: :abbr:`required (This method is required to be overridden when extending its base class.)`
.. |const| replace:: :abbr:`const (本方法沒有副作用。不會修改該實例的任何成員變數。)`
.. |vararg| replace:: :abbr:`vararg (本方法除了這裡描述的參數外,還可以接受任意數量的參數。)`
.. |constructor| replace:: :abbr:`constructor (本方法用於建構一個型別。)`
.. |static| replace:: :abbr:`static (本方法無需實例即可呼叫,因此可以直接使用類別名稱呼叫。)`
.. |operator| replace:: :abbr:`operator (本方法描述將本型別作為左運算元時可用的有效運算子。)`
.. |bitfield| replace:: :abbr:`BitField (此值是由下列旗標組成的位元遮罩整數。)`
.. |void| replace:: :abbr:`void (無回傳值。)`