// 日期格式化函数
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export function formatDate(date) {
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if (!date) return '';
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const d = new Date(date);
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const year = d.getFullYear();
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const month = String(d.getMonth() + 1).padStart(2, '0');
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const day = String(d.getDate()).padStart(2, '0');
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const hour = String(d.getHours()).padStart(2, '0');
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const minute = String(d.getMinutes()).padStart(2, '0');
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const second = String(d.getSeconds()).padStart(2, '0');
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return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
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}
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// 文件大小格式化函数
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export function formatFileSize(bytes) {
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if (!bytes || bytes === 0) return '0 B';
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const units = ['B', 'KB', 'MB', 'GB', 'TB'];
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const k = 1024;
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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(2)) + ' ' + units[i];
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}
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