ActionScript 数字转换大写金额

import mx.formatters.NumberFormatter;  public class RMBBigTransForm {  private static var NUM:String = "零壹贰叁肆伍陆柒捌玖";   private static var UNIT:String = "仟佰拾个";   private static var GRADEUNIT:String = "仟万亿兆";   private static var DOTUNIT:String = "角分厘";   private static var GRADE:int = 4;   private static var SIGN:String = "￥";   private static var nf:NumberFormatter= new NumberFormatter();     public static function toBigAmts(amount:Number):String  {    return toBigAmt(amount);   }     public static function toBigAmt(amount:Number):String  {   var amt:String = nf.format(amount);    var d:Number = new Number(amount);    var dotPart:String = ""; //取小数位    var intPart:String = ""; //取整数位    var dotPos:int;      if((dotPos = amt.indexOf('.')) != -1)    {     intPart = amt.substring(0, dotPos);     dotPart = amt.substring(dotPos + 1);    }   else    {     //jqk 2011-08-03 修改    //intPart = amt;    intPart = d.toString();    }      if(intPart.length > 16)   {    //Alert.show("The amount is too big.");    return "";   }     var intBig:String = intToBig(intPart);    var dotBig:String = dotToBig(dotPart);   //以下代码稍做修改，现在是完美的代码啦！    if ((dotBig.length == 0)&&(intBig.length != 0))    {     return intBig + "元整";    }   else if((dotBig.length == 0)&&(intBig.length == 0))   {     return intBig + "零元";   }   else if((dotBig.length != 0)&&(intBig.length != 0))    {     return intBig + "元" + dotBig;    }   else   {     return dotBig;      }  }    private static function dotToBig( dotPart:String):String  {    //得到转换后的大写（小数部分）    var strRet:String = "";    for(var i:int=0; i<dotPart.length && i<3; i++)   {     var num:int;     if((num =int(dotPart.substring(i,i+1))) != 0)      strRet += NUM.substring(num,num+1) + DOTUNIT.substring(i,i+1);    }    return strRet;   }     private static function intToBig(intPart:String):String  {    //得到转换后的大写（整数部分）    var grade:int; //级长    var result:String = "";    var strTmp:String = "";       //得到当级长    grade = intPart.length / GRADE;    //调整级次长度    if(intPart.length % GRADE != 0) grade += 1;       //对每级数字处理    for(var i:int = grade; i >= 1; i--)   {     strTmp = getNowGradeVal(intPart, i);//取得当前级次数字     result += getSubUnit(strTmp);//转换大写     result = dropZero(result);//除零     //加级次单位     if( i>1 ) //末位不加单位      //单位不能相连续      if(getSubUnit(strTmp)=="零零零零")     {       //jqk 2011-08-03 删除      //result += "零"+GRADEUNIT.substring(i - 1, i);      }     else     {       result += GRADEUNIT.substring(i - 1, i);      }    }    return result;   }  private static function getNowGradeVal( strVal:String,grade:int):String  {    //得到当前级次的串    var rst:String="";    if(strVal.length <= grade * GRADE)     rst = strVal.substring(0,strVal.length - (grade-1)*GRADE);    else     rst = strVal.substring(strVal.length - grade*GRADE,strVal.length - (grade-1)*GRADE);    return rst;   }    private static function getSubUnit(strVal:String):String  {    //数值转换    var rst:String = "";       for(var i:int = 0;i< strVal.length; i++){     var s:String = strVal.substring(i,i+1);     var num:int =new int(s); //Integer.parseInt();     if(num == 0)    {      //“零”作特殊处理      if(i != strVal.length) //转换后数末位不能为零       rst += "零";     }    else    {      //If IntKey = 1 And i = 2 Then      //“壹拾”作特殊处理      //“壹拾”合理      //Else      rst += NUM.substring(num,num+1);      //End If      //追加单位      if(i != strVal.length-1 )//个位不加单位       rst += UNIT.substring(i+4-strVal.length,i+4-strVal.length+1);     }    }    return rst;   }   private static function dropZero(strVal:String):String  {    //去除连继的“零”    var strRst:String;    var strBefore:String; //前一位置字符    var strNow:String;    //现在位置字符       strBefore = strVal.substring(0,1);    strRst = strBefore;       for(var i:int= 1; i<strVal.length; i++)    {     strNow = strVal.substring(i, i+1);     if(strNow=="零" && strBefore=="零")    {     //同时为零    }    else      strRst += strNow;     strBefore = strNow;    }       //末位去零    if(strRst.substring(strRst.length-1, strRst.length)=="零")     strRst = strRst.substring(0,strRst.length-1);    return strRst;   }  }

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以上代码为网上摘录，原文有错误，我修改部分代码，现在可以正确使用