阿拉伯数字金额转中文大写

// 阿拉伯数字转中文 定义转换函数
function transform(n) {
      if(n==undefined||n==null||n==\'\'||n==0||n==\'0\') return \'零圆整\';

      var fraction = [\'角\', \'分\'];    
      var digit = [\'零\', \'壹\', \'贰\', \'叁\', \'肆\', \'伍\', \'陆\', \'柒\', \'捌\', \'玖\'];    
      var unit = [ [\'圆\', \'万\', \'亿\'], [\'\', \'拾\', \'佰\', \'仟\']  ];    
      var head = n < 0? \'负\': \'\';    
      n = Math.abs(n);    
      var s = \'\';    

      for (var i = 0; i < fraction.length; i++)     
      {  
          s += (digit[Math.floor(toDecimal2(n * 10 * Math.pow(10, i))) % 10] + fraction[i]);      //.replace(/零./, \'\');    
      } 
      s=s.replace(/^零角$/, \'零\').replace(/^零分$/, \'\')
      s = s || \'整\';    
      n = Math.floor(n);    
      for (var i = 0; i < unit[0].length && n > 0; i++)     
      {    
          var p = \'\';    
          for (var j = 0; j < unit[1].length && n > 0; j++)     
          {    
              p = digit[n % 10] + unit[1][j] + p;    
              n = Math.floor(n / 10); 
          }    
          s = p.replace(/(零.)*零$/, \'\').replace(/^$/, \'零\')  + unit[0][i] + s;    
      }    
  
      s=head + s.replace(/(零.)*零圆/, \'圆\').replace(/(零.)+/g, \'零\').replace(/^整$/, \'零圆整\');
      if(s.indexOf(\'圆零\')==s.length-2){
       s= s.replace(\'圆零\',\'圆整\')
      }
      if(s.indexOf(\'角零\')==s.length-2){
        s= s.replace(\'角零\',\'角\')
      }
      return s;    
}