数字金额转大写汉字

function changeMoneyToChinese(money) {
var cnNums = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); //汉字的数字
var cnIntRadice = new Array("", "拾", "佰", "仟"); //基本单位
var cnIntUnits = new Array("", "万", "亿", "兆"); //对应整数部分扩展单位
var cnDecUnits = new Array("角", "分", "毫", "厘"); //对应小数部分单位
//var cnInteger = "整"; //整数金额时后面跟的字符
var cnIntLast = "元"; //整型完以后的单位
var maxNum = 999999999999999.9999; //最大处理的数字

var IntegerNum; //金额整数部分
var DecimalNum; //金额小数部分
var ChineseStr = ""; //输出的中文金额字符串
var parts; //分离金额后用的数组，预定义
if(money == "") {
return "";
}
money = parseFloat(money);
if(money >= maxNum) {
$.alert('超出最大处理数字');
return "";
}
if(money == 0) {
//ChineseStr = cnNums[0]+cnIntLast+cnInteger;
ChineseStr = cnNums[0] + cnIntLast
//document.getElementById("show").value=ChineseStr;
return ChineseStr;
}
money = money.toString(); //转换为字符串
if(money.indexOf(".") == -1) {
IntegerNum = money;
DecimalNum = '';
} else {
parts = money.split(".");
IntegerNum = parts[0];
DecimalNum = parts[1].substr(0, 4);
}
if(parseInt(IntegerNum, 10) > 0) { //获取整型部分转换
zeroCount = 0;
IntLen = IntegerNum.length;
for(i = 0; i < IntLen; i++) {
n = IntegerNum.substr(i, 1);
p = IntLen - i - 1;
q = p / 4;
m = p % 4;
if(n == "0") {
zeroCount++;
} else {
if(zeroCount > 0) {
ChineseStr += cnNums[0];
}
zeroCount = 0; //归零
ChineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
}
if(m == 0 && zeroCount < 4) {
ChineseStr += cnIntUnits[q];
}
}
ChineseStr += cnIntLast;
//整型部分处理完毕
}
if(DecimalNum != '') { //小数部分
decLen = DecimalNum.length;
for(i = 0; i < decLen; i++) {
n = DecimalNum.substr(i, 1);
if(n != '0') {
ChineseStr += cnNums[Number(n)] + cnDecUnits[i];
}
}
}
if(ChineseStr == '') {
//ChineseStr += cnNums[0]+cnIntLast+cnInteger;
ChineseStr += cnNums[0] + cnIntLast;
}
/* else if( DecimalNum == '' ){
ChineseStr += cnInteger;
ChineseStr += cnInteger;
} */
return ChineseStr;
}

var bigMoney = changeMoneyToChinese(3000.10);
console.log(bigMoney)