金额大写转换

function toCapital(num) {
        var strOutput = "";
        var strUnit = ‘仟佰拾亿仟佰拾万仟佰拾元角分‘;
        num += "00";
        //小数点位置
        var intPos = num.indexOf(‘.‘);
        //大于0,就是有小数
        if (intPos >= 0) {
            //截取小数点后两位.
            num = num.substring(0, intPos) + num.substr(intPos + 1, 2);
        }
        //获取与num相应的strUnit
        strUnit = strUnit.substr(strUnit.length - num.length);

        for (var i = 0; i < num.length; i++) {
            strOutput += ‘零壹贰叁肆伍陆柒捌玖‘.substr(num.substr(i, 1), 1) + strUnit.substr(i, 1);
        }
        return strOutput.replace(/零角零分$/, ‘整‘).replace(/零[仟佰拾]/g, ‘零‘).replace(/零{2,}/g, ‘零‘).replace(/零([亿|万])/g, ‘$1‘).replace(/零+元/, ‘元‘).replace(/亿零{0,3}万/, ‘亿‘).replace(/^元/, "零元");
    }