25 lines
936 B
TypeScript
25 lines
936 B
TypeScript
import { Capacitor } from '@capacitor/core'
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function csvCell(v: string | number | null | undefined): string {
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const s = v == null ? '' : String(v)
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return '"' + s.replace(/"/g, '""') + '"'
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}
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// 导出 UTF-8 BOM 的 CSV，Excel 可直接打开中文不乱码；返回落盘位置（原生平台）
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export async function downloadCsv(filename: string, rows: (string | number | null | undefined)[][]): Promise<string> {
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const content = rows.map(r => r.map(csvCell).join(',')).join('\r\n')
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const text = '\ufeff' + content
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if (Capacitor.isNativePlatform()) {
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const { downloadText } = await import('./download')
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return downloadText(filename, text)
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}
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const blob = new Blob([text], { type: 'text/csv;charset=utf-8' })
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const url = URL.createObjectURL(blob)
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const a = document.createElement('a')
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a.href = url
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a.download = filename
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a.click()
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window.setTimeout(() => URL.revokeObjectURL(url), 10000)
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return ''
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}
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