阿拉伯数字转金额汉语大写

function converToZH(numberVal){
	var ZH_VAL = "零壹贰叁肆伍陆柒捌玖";       // 汉字数字
	var UNIT = "万仟佰拾亿仟佰拾万仟佰拾元角分";     // 对应单位
	var n_money = Number(numberVal);
	var negative = false;
	if(n_money == 0)
		return "零元整";
	if(n_money < 0){
		negative = true;
		n_money = -n_money;
	}
	var s_money = String(Math.round(n_money*100));
	var len = s_money.length;
	var pos = 0;
	var result = '';
	var zeroFlag = false;
	
	while(pos < len){
		var num = s_money.charAt(len-pos-1);
		if(num == '0'){
			//分位
			if(pos == 0){
			}
			//元、万、亿位
            else if(pos == 2 || pos == 6 || pos == 10){
				if(!zeroFlag)
					result = UNIT.charAt(UNIT.length-pos-1) + '零' + result;
				else
					result = UNIT.charAt(UNIT.length-pos-1)  + result;
            }
			else if(!zeroFlag){
				result = '零' + result;
			}
			zeroFlag = true;
		}
		else{
			zeroFlag = false;
			result = ZH_VAL.charAt(num) + UNIT.charAt(UNIT.length-pos-1) + result;
		}
		pos++;
	}
	if(Number(s_money)%10 == 0 || Number(s_money)%100 == 0 ){
		result = result + '整';
	}
	return negative? '负' + result : result;
}