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JS实现将人民币金额转换为大写的示例代码

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本篇文章主要是对使用JS实现将人民币金额转换为大写的示例代码进行了介绍,需要的朋友可以过来参考下,希望对大家有所帮助
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;    
}      
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