const chnNumChar = ["零", "一", "二", "三", "四", "五", "六", "七", "八", "九"];
const chnUnitSection = ["", "万", "亿", "万亿", "亿亿"];
const chnUnitChar = ["", "十", "百", "千"];

export const sectionToChinese = function (section) {
    let strIns = "", chnStr = "";
    let unitPos = 0;
    let zero = true;
    while (section > 0) {
        const v = section % 10;
        if (v === 0) {
            if (!zero) {
                zero = true;
                chnStr = chnNumChar[v] + chnStr;
            }
        } else {
            zero = false;
            strIns = chnNumChar[v];
            strIns += chnUnitChar[unitPos];
            chnStr = strIns + chnStr;
        }
        unitPos++;
        section = Math.floor(section / 10);
    }
    return chnStr;
}
export const numberToChinese = function (num) {
    let unitPos = 0;
    let strIns = "", chnStr = "";
    let needZero = false;

    if (num === 0) {
        return chnNumChar[0];
    }

    while (num > 0) {
        const section = num % 10000;
        if (needZero) {
            chnStr = chnNumChar[0] + chnStr;
        }
        strIns = sectionToChinese(section);
        strIns += section !== 0 ? chnUnitSection[unitPos] : chnUnitSection[0];
        chnStr = strIns + chnStr;
        needZero = section < 1000 && section > 0;
        num = Math.floor(num / 10000);
        unitPos++;
    }

    return chnStr;
}