JS实现将人民币金额转换为大写的示例代码

复制代码代码如下:

//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;

}