Method parseArgs

rate/rate.ts:324–335

(args: string[])

    const curr: string[] = [];
    for (const t of tokens) {
      const n = parseFloat(t);
      if (!isNaN(n) && isFinite(n)) amount = n; else curr.push(t);
    }
    const base = curr[0] || 'btc';
    const quote = curr[1] || 'usd';
    return { base, quote, amount };
  }

  // (新) 获取币安价格
  private async fetchBinancePrice(symbol: string): Promise<number> {
    try {
      const url = `https://api.binance.com/api/v3/ticker/price?symbol=${symbol.toUpperCase()}`;
      const { data } = await axios.get(url, { timeout: 5000 });
      if (data && data.price) {
        return parseFloat(data.price);