ygoa_miniapp/utils/ygoa.js

export function convertToChineseCurrency(amount) {

    if (amount === "0" || amount === 0) {
        return "零元整";
    }

    const CN_NUMS = ["零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"];
    const CN_INT = ["", "拾", "佰", "千"];
    const CN_UNIT = ["", "万", "亿", "兆"];
    const CN_DECIMAL = ["角", "分", "厘", "毫"];

    // 将金额转换为字符串并去掉多余的零
    let str = amount.toString().replace(/[^0-9.]/g, '').replace(/\.{2,}/g, '.').replace('.', '$#$').replace(/\./, '').replace('$#$', '.');

    let [integerPart, decimalPart] = str.split('.');

    // 处理整数部分
    let integerLen = integerPart.length;
    let integerResult = '';
    let zeroCount = 0; // 记录连续的零

    for (let i = 0; i < integerLen; i++) {
        let num = integerPart.charAt(i);
        let unitPos = integerLen - i - 1;
        let unitIndex = unitPos % 4;

        // 当前位为零时不进行处理
        if (num === '0') {
            zeroCount++;
        } else {
            if (zeroCount > 0) {
                integerResult += CN_NUMS[0];
            }
            zeroCount = 0;
            integerResult += CN_NUMS[parseInt(num)] + CN_INT[unitIndex];
        }

        if (unitIndex === 0) {
            integerResult += CN_UNIT[Math.floor(unitPos / 4)];
        }
    }

    // 处理小数部分
    let decimalResult = '';
    if (decimalPart) {
        let decimalLen = decimalPart.length;
        for (let i = 0; i < decimalLen; i++) {
            let num = decimalPart.charAt(i);
            if (num !== '0') {
                decimalResult += CN_NUMS[parseInt(num)] + CN_DECIMAL[i];
            }
        }
    }

    if (!decimalResult) {
        decimalResult = '整';
    }

    return integerResult + decimalResult;
}