R2m1liA
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- 新增基于filename获取拓展名的函数 - 将文件大小格式化由以KB为基准修改为以Byte为基准
20 lines
607 B
TypeScript
20 lines
607 B
TypeScript
export function formatFileSize(sizeInBytes: number): string {
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if (sizeInBytes < 1024) {
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return `${sizeInBytes.toFixed(2)} B`;
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} else if (sizeInBytes < 1024 * 1024) {
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const sizeInKB = sizeInBytes / 1024;
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return `${sizeInKB.toFixed(2)} KB`;
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} else {
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const sizeInMB = sizeInBytes / 1024 / 1024;
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return `${sizeInMB.toFixed(2)} MB`;
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}
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}
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export function getFileExtension(filename: string): string {
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return filename.split('.').pop() || '';
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}
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export function formatFileExtension(ext: string): string {
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return ext.startsWith('.') ? ext.slice(1).toUpperCase() : ext.toUpperCase();
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}
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