29 lines
560 B
Markdown
29 lines
560 B
Markdown
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# ResourceManager::Exists
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```cpp
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bool Exists(const Containers::String& path) const
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bool Exists(ResourceGUID guid) const
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```
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检查资源是否已加载。
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**参数：**
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- `path` - 资源路径
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- `guid` - 资源全局唯一标识符
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**返回：** 如果资源在缓存中则返回 true
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**复杂度：** O(1)
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**示例：**
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```cpp
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if (ResourceManager::Get().Exists("textures/player.png")) {
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auto tex = ResourceManager::Get().Load<Texture>("textures/player.png");
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}
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```
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## 相关文档
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- [ResourceManager 总览](resourcemanager.md) - 返回类总览
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