28 lines
599 B
Markdown
28 lines
599 B
Markdown
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# ResourceHandle::GetGUID
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```cpp
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ResourceGUID GetGUID() const
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```
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获取资源的全局唯一标识符。如果内部指针为空，则返回一个值为 0 的空 GUID。
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**参数：** 无
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**返回：** 资源的 `ResourceGUID`，如果句柄为空则返回 `ResourceGUID(0)`
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**复杂度：** O(1)
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**示例：**
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```cpp
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ResourceHandle<Texture> tex = ResourceManager::Get().Load<Texture>("tex.png");
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ResourceGUID guid = tex.GetGUID();
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if (guid.IsValid()) {
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printf("GUID: %s\n", guid.ToString().CStr());
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}
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```
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## 相关文档
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- [ResourceHandle 总览](resourcehandle.md) - 返回类总览
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