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image_get_type() function
该函数根据文件扩展名返回图像文件的 MIME 类型。
Signature:
typescript
declare function image_get_type(filename: string): "image/png" | "image/jpeg" | "image/gif" | "image/webp" | "image/bmp" | "image/svg+xml" | "image/x-icon" | "image/tiff";declare function image_get_type(filename: string): "image/png" | "image/jpeg" | "image/gif" | "image/webp" | "image/bmp" | "image/svg+xml" | "image/x-icon" | "image/tiff";Parameters
| Parameter | Type | Description |
|---|---|---|
| filename | string | 表示图像文件名称的字符串，包括其扩展名。 |
Returns:
"image/png" | "image/jpeg" | "image/gif" | "image/webp" | "image/bmp" | "image/svg+xml" | "image/x-icon" | "image/tiff"
基于文件扩展名的图像文件的 MIME 类型。如果无法识别文件扩展名，它将返回默认的 MIME 类型。