Method buildCryptoToFiatResponse

rate/rate.ts:604–610

(amount: number, totalValue: number, price: number, cryptoSymbol: string, fiatSymbol: string, lastUpdated: Date)

      `💎 <b>当前汇率:</b> ${codeTag(`1 ${cryptoSymbol} = ${this.formatPrice(price)} ${fiatSymbol}`)}\n` +
      `⏰ <b>数据更新:</b> ${lastUpdated.toLocaleString('zh-CN', { timeZone: 'Asia/Shanghai' })}`;
  }

  private buildPriceResponse(price: number, cryptoSymbol: string, fiatSymbol: string, lastUpdated: Date): string {
    return `💱 <b>汇率</b>\n\n` +
      `${codeTag(`1 ${cryptoSymbol} = ${this.formatPrice(price)} ${fiatSymbol}`)}\n\n` +
      `⏰ <b>数据更新:</b> ${lastUpdated.toLocaleString('zh-CN', { timeZone: 'Asia/Shanghai' })}`;
  }

  private async handleRate(msg: Api.Message): Promise<void> {
    const text = msg.text?.trim() || "";