小白所写 大牛勿喷

  var cnNum = ["零","一","二","三","四","五","六","七","八","九"];
     var cnW = ['','十','百','千','万','十万','百万','千万','亿'];
     var strOt = '';
     var strIn = '';
     var index = 0;
function toCn(num){
     while(num>0) {
         var v = num % 10;
         if (v === 0) {
             strOt = cnNum[v] + strOt;
             strOt = strOt.replace(/零零/,'零');
         } else {
             strIn = cnNum[v] + cnW[index];
             strOt = strIn + strOt;

          if(strOt.substr(strOt.length-1)==="零"){
                 strOt = strOt.replace(/零/,'')
                 // strOt = strOt.replace(/百零/,'百')
                 // strOt = strOt.replace(/千零/,'千')
          }

         }
         index++
         num = Math.floor(num / 10);
     }
    return strOt
}
 alert(toCn(11001))