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;    
}