# Material::GetGUID

```cpp
ResourceGUID GetGUID() const override;
```

获取材质的全局唯一标识符。

**返回：** 资源 GUID

**线程安全：** ✅

**复杂度：** O(1)

**示例：**

```cpp
ResourceHandle<Material> mat = ResourceManager::Get().Load<Material>("materials/pbr.mat");
ResourceGUID guid = mat->GetGUID();
```

## 相关文档

- [Material](material.md) - 返回类总览