将金钱的数目转换为中文大写的JS

function formatCC(p_amount){
var rtstr = "",tmpstr = "";
var knum;
var tmpint;
if(p_amount > 999999999999.99)
return "数字太大，无法转换！";
if(p_amount / 10000 >= 1){
knum = p_amount % 10000;
p_amount = (p_amount - knum)/10000;

tmpstr = formatCC(p_amount);
if(tmpstr != null && tmpstr.length != 0)
rtstr += tmpstr + "万";

rtstr += formatCC(knum);
}else{
tmpint = parseInt(p_amount / 1000);
if(tmpint >= 1)
rtstr += numToCC(tmpint)+ "仟";
else{
if(rtstr.length == 0)
rtstr += "零";
}

p_amount = p_amount - tmpint * 1000;
tmpint = parseInt(p_amount / 100);
if(tmpint >= 1)
rtstr += numToCC(tmpint)+ "佰";
else{
if(rtstr.length == 0 || !(rtstr.substring(rtstr.length -1 ,rtstr.length) == "零")){
rtstr += "零";
}
}
p_amount = p_amount - tmpint * 100;
tmpint = parseInt(p_amount / 10);
if(tmpint >= 1)
rtstr += numToCC(tmpint)+ "拾";
else{
if(rtstr.length == 0 || !(rtstr.substring(rtstr.length -1 ,rtstr.length) == "零"))
rtstr += "零";
}

p_amount = p_amount - tmpint * 10;
tmpint = parseInt(p_amount / 1);
if(tmpint >= 1)
rtstr += numToCC(tmpint);

p_amount = p_amount - tmpint;
if(p_amount > 0){
if(rtstr.indexOf("零") == rtstr.length - 1)
rtstr = rtstr.substring(0,rtstr.length - 1);
rtstr += "圆";
}
if(p_amount > 0.009){

p_amount = p_amount * 100;
tmpint = parseInt(p_amount / 10);
if(tmpint >= 1)
rtstr += numToCC(tmpint)+ "角";
p_amount = p_amount - tmpint * 10;
tmpint = parseInt(p_amount / 1);
if(p_amount - tmpint > 0.5)
tmpint++;
if(tmpint >= 1)
rtstr += numToCC(tmpint) + "分";
}
}
return rtstr;
}
function setFormatCC(p_amount){
var amount=0;
var rtstr;
amount=parseFloat(p_amount);
amount += 0.0001;
rtstr = formatCC(amount);
if(rtstr.lastIndexOf("万") != rtstr.indexOf("万")){
rtstr = rtstr.substring(0,rtstr.indexOf("万"))+"亿"+rtstr.substring(rtstr.indexOf("万")+1,rtstr.length);
}
if(rtstr.indexOf("零") == 0)
rtstr = rtstr.substring(1,rtstr.length);
rtstr += "整";
return rtstr;
}
function numToCC(i){
switch(i){
case 1 : return "壹";
case 2 : return "贰";
case 3 : return "叁";
case 4 : return "肆";
case 5 : return "伍";
case 6 : return "陆";
case 7 : return "柒";
case 8 : return "捌";
case 9 : return "玖";
case 0 : return "零";
default: return "";
}
}