人民币金额转大写程序 JavaScript版

发布：2014/12/9 22:59:48作者：管理员来源：本站浏览次数：1496

//人民币金额转大写程序 JavaScript版
//CopyRight Bardo QI
function numToCny(num){
var capUnit = ['万','亿','万','圆',''];
var capDigit = { 2:['角','分',''], 4:['仟','佰','拾','']};
var capNum=['零','壹','贰','叁','肆','伍','陆','柒','捌','玖'];
if (((num.toString()).indexOf('.') > 16)||(isNaN(num)))
return '';
num = (Math.round(num*100)/100).toString();
num =((Math.pow(10,19-num.length)).toString()).substring(1)+num;
var i,ret,j,nodeNum,k,subret,len,subChr,CurChr=[];
for (i=0,ret='';i<5;i++,j=i*4+Math.floor(i/4)){
nodeNum=num.substring(j,j+4);
for(k=0,subret='',len=nodeNum.length;((k<len) && (parseInt(nodeNum.substring(k))!=0));k++){
CurChr[k%2] = capNum[nodeNum.charAt(k)]+((nodeNum.charAt(k)==0)?'':capDigit[len][k]);
if (!((CurChr[0]==CurChr[1]) && (CurChr[0]==capNum[0])))
if(!((CurChr[k%2] == capNum[0]) && (subret=='') && (ret=='')))
subret += CurChr[k%2];
}
subChr = subret + ((subret=='')?'':capUnit[i]);
if(!((subChr == capNum[0]) && (ret=='')))
ret += subChr;
}
ret=(ret=='')? capNum[0]+capUnit[3]: ret;
return ret;
}

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