10 lines
426 B
TypeScript
10 lines
426 B
TypeScript
/** 金额展示（不依赖 Intl / toLocaleString，兼容微信小程序） */
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export function formatMoney(amount: number | string): string {
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const n = typeof amount === 'number' ? amount : Number(amount);
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if (!Number.isFinite(n)) return '0.00';
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const fixed = n.toFixed(2);
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const [intPart, dec] = fixed.split('.');
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const withComma = intPart.replace(/\B(?=(\d{3})+(?!\d))/g, ',');
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return `${withComma}.${dec}`;
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}
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