股票手续费

复制def calc_stock_fee(price: float, shares: int, commission_rate: float = 0.00025,
                    stamp_rate: float = 0.001, transfer_rate: float = 0.00001) -> dict:
    """
    计算 A 股买入/卖出总手续费
    :param price: 每股价格（元）
    :param shares: 股数
    :param commission_rate: 佣金费率（默认万2.5）
    :param stamp_rate: 印花税率（默认千1，卖出时收取）
    :param transfer_rate: 过户费率（默认万0.1）
    :return: 各项费用明细
    """
    amount = price * shares
    commission = max(amount * commission_rate, 5.0)  # 最低5元
    stamp = amount * stamp_rate if stamp_rate > 0 else 0.0  # 卖出时印花税
    transfer = amount * transfer_rate
    total = commission + stamp + transfer
    return {
        "成交金额": round(amount, 2),
        "佣金": round(commission, 2),
        "印花税": round(stamp, 2),
        "过户费": round(transfer, 2),
        "总费用": round(total, 2)
    }

# 示例：买入 1000 股，每股 10 元
print(calc_stock_fee(10.0, 1000))

复制package main

import (
	"fmt"
	"math"
)

// CalcStockFee 计算股票交易手续费
func CalcStockFee(price float64, shares int, commissionRate, stampRate, transferRate float64) map[string]float64 {
	amount := price * float64(shares)
	commission := math.Max(amount*commissionRate, 5.0) // 佣金最低5元
	stamp := amount * stampRate                        // 卖出时印花税
	transfer := amount * transferRate
	total := commission + stamp + transfer
	return map[string]float64{
		"成交金额": math.Round(amount*100) / 100,
		"佣金":     math.Round(commission*100) / 100,
		"印花税":   math.Round(stamp*100) / 100,
		"过户费":   math.Round(transfer*100) / 100,
		"总费用":   math.Round(total*100) / 100,
	}
}

func main() {
	// 示例：买入 1000 股，每股 10 元，默认费率
	result := CalcStockFee(10.0, 1000, 0.00025, 0.001, 0.00001)
	for k, v := range result {
		fmt.Printf("%s: %.2f\n", k, v)
	}
}

复制/**
 * 计算股票交易手续费
 * @param {number} price - 每股价格（元）
 * @param {number} shares - 股数
 * @param {number} commissionRate - 佣金费率（默认万2.5）
 * @param {number} stampRate - 印花税率（默认千1，卖出时收取）
 * @param {number} transferRate - 过户费率（默认万0.1）
 * @returns {object} 费用明细
 */
function calcStockFee(price, shares, commissionRate = 0.00025, stampRate = 0.001, transferRate = 0.00001) {
    const amount = price * shares;
    const commission = Math.max(amount * commissionRate, 5.0); // 佣金最低5元
    const stamp = amount * stampRate;
    const transfer = amount * transferRate;
    const total = commission + stamp + transfer;
    return {
        '成交金额': Math.round(amount * 100) / 100,
        '佣金': Math.round(commission * 100) / 100,
        '印花税': Math.round(stamp * 100) / 100,
        '过户费': Math.round(transfer * 100) / 100,
        '总费用': Math.round(total * 100) / 100
    };
}

// 示例：买入 1000 股，每股 10 元
console.log(calcStockFee(10.0, 1000));