数字金额转中文金额

<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
<script type="text/javascript">
	
changeApplyPrice(78723.23)

	function changeApplyPrice(money) {
			//获取input中的数字金额
          
            if (money == null){
                alert("金额(小写没有填写无法自动转换为大写)")
                return;
            }
            //汉字的数字
            var cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
            //基本单位
            var cnIntRadice = new Array('', '拾', '佰', '仟');
            //对应整数部分扩展单位
            var cnIntUnits = new Array('', '万', '亿', '兆');
            //对应小数部分单位
            var cnDecUnits = new Array('角', '分', '毫', '厘');
            //整数金额时后面跟的字符
            var cnInteger = '整';
            //整型完以后的单位
            var cnIntLast = '元';
            //最大处理的数字
            var maxNum = 999999999999999.9999;
            //金额整数部分
            var integerNum;
            //金额小数部分
            var decimalNum;
            //输出的中文金额字符串
            var chineseStr = '';
            //分离金额后用的数组，预定义
            var parts;
            if (money == '') { return ''; }
            money = parseFloat(money);
            if (money >= maxNum) {
                //超出最大处理数字
                return '';
            }
            if (money == 0) {
                chineseStr = cnNums[0] + cnIntLast + cnInteger;
                return chineseStr;
            }
            //转换为字符串
            money = money.toString();
            if (money.indexOf('.') == -1) {
                integerNum = money;
                decimalNum = '';
            } else {
                parts = money.split('.');
                integerNum = parts[0];
                decimalNum = parts[1].substr(0, 4);
            }
            //获取整型部分转换
            if (parseInt(integerNum, 10) > 0) {
                var zeroCount = 0;
                var IntLen = integerNum.length;
                for (var i = 0; i < IntLen; i++) {
                	debugger
                    var n = integerNum.substr(i, 1);
                    // 判断位数；
                    var p = IntLen - i - 1;
                    var q = p / 4;
                    var m = p % 4;
                    if (n == '0') {
                        zeroCount++;
                    } else {
                        if (zeroCount > 0) {
                            chineseStr += cnNums[0];
                        }
                        //归零
                        zeroCount = 0;
                        chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
                    }
                    if (m == 0 && zeroCount < 4) {
                        chineseStr += cnIntUnits[q];
                    }
                }
                chineseStr += cnIntLast;
            }
            //小数部分
            if (decimalNum != '') {
                var decLen = decimalNum.length;
                for (var i = 0; i < decLen; i++) {
                    var n = decimalNum.substr(i, 1);
                    if (n != '0') {
                        chineseStr += cnNums[Number(n)] + cnDecUnits[i];
                    }
                }
            }
            if (chineseStr == '') {
                chineseStr += cnNums[0] + cnIntLast + cnInteger;
            } else if (decimalNum == '') {
                chineseStr += cnInteger;
            }
            console.log(money)
           console.log(chineseStr)
        }

</script>
</body>
</html>