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17 lines
566 B
TypeScript
17 lines
566 B
TypeScript
/**
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* 将字节数转换为易读的格式
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* @param bytes 字节数
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* @param decimals 保留的小数位数，默认为2
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* @returns 格式化后的字符串，如 "1.5 GB"
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*/
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export function formatBytes(bytes: number, decimals = 2): string {
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const dm = decimals < 0 ? 0 : decimals;
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
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} |