* @date 2021/07/09 15:12 */ public static function getCoinFromRmb(float $rmb) { if (empty($rmb)) return 0; $rate = self::where('id', 1)->value('one_rmb_to_coin_num'); return round(floatval($rmb) * $rate, 5); } /** * 金币兑换RMB * @param float $coin * @return false|float * @author fuyelk * @date 2021/07/09 15:13 */ public static function getRmbFromCoin(float $coin) { if (empty($coin)) return 0; $rate = self::where('id', 1)->value('one_rmb_to_coin_num'); return round(floatval($coin) / $rate, 5); } }