Qt金额大小写转换

const QString Widget::number_Transfer_BigChinese(const double &Fnumber)
{

    if(qAbs(Fnumber)<0.01)   //保留2位小数时，近似看作零的情况
        return "零";


    //判断正负号
    QString numberSign;//存储符号
    if(Fnumber<0)
        numberSign = "（负数）";
    //将数据的绝对值 转换成字符串，如-58 转成 “58.00”
    QString number = QString::number(qAbs(Fnumber),'f',2);//qAbs绝对值 ，保留两位小数
    QString Left_of_Point;//整数部分
    int length =number.length()-3;//整数部分的长度，（精确度为2，去除小数和小数点）
    if(length>12)
    {
        //qDebug()<<"输入的数值超过范围！"
        return "输入的数值超过范围！";
    }

    QStringList numerical_unit   =   {"","拾","佰","仟","万","拾", "佰", "仟", "亿", "拾", "佰", "仟"};
    QStringList numerical_value  =   {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};

    //数数整数低位多少个连零
    int counter_0=0;
    for(int i =length-1;i>=0;i--)
    {
        if((number[i].toLatin1()-'0' )==0) //从个位开始，向高位走
            counter_0++;
        else
            break;

    }
    if(length==1 && counter_0==1) //0.x
        counter_0=0; //不进行过滤

    //1400  0.2

    for(int i=0,flag=1;i<length-counter_0;i++)
    {
        //5     8       1    2   3
        //伍 拾 捌       壹佰 贰拾 叁
        if((number[i].toLatin1()-'0')==0)
        {
            if((flag!=0 && (length-1-i)%4 != 0) || length ==1) //flag！=0  表示前一个数值 不为0
                Left_of_Point+="零"; //后面不用添加 单位
            if((length-1-i)%4 == 0) //如果0处于分段处，后面需添加单位
                Left_of_Point+=numerical_unit[length-1-i];//添加数值单位

            flag =0; //标记

        }
        else
        {
            flag =1;
            Left_of_Point+=numerical_value[number[i].toLatin1()-'0']; //'5'-'0'==5
            Left_of_Point+=numerical_unit[length-1-i];//添加数值单位

        }
    }
    //QString Right_of_Point;//小数点右侧，小数部分(保留两位)  xxxx.yy
    int totalLength = number.length();
    if(number[totalLength-2]=='0'&&number[totalLength-1]=='0')
    {
        QString Bigcn=numberSign+Left_of_Point+"元整";
        return Bigcn;
    }
    else if(number[totalLength-2]!='0'&&number[totalLength-1]=='0')
    {
        QString Bigcn=numberSign+Left_of_Point+"点"+numerical_value[number[totalLength-2].toLatin1()-'0']+"元";
        return Bigcn;
    }
    else
    {
        QString Bigcn=numberSign+Left_of_Point+"点"+numerical_value[number[totalLength-2]
                .toLatin1()-'0']+numerical_value[number[totalLength-1].toLatin1()-'0']+"元";
        return Bigcn;
    }

    return "异常情况";
}