随机数,念求不重复,输出随机范围所有数字

public function Main():void 
		{
          var arr:Array = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
		  var ranArr:Array = [];
		  var k:int;
		  var b:Boolean = true;
		  while (b) {
			 k =  Math.random() * (arr.length);
			 if (ranArr.indexOf(arr[k]) == -1) {
				trace("插入" + arr[k])
				ranArr.push(arr[k]);
			 }
			 if (ranArr.length == 10) {
			   b = false;	 
			 }
		  }
		  trace(ranArr.length);
		  for (var i:int = 0; i < ranArr.length; i++ ) {
			trace(ranArr[i]);  
		  }		  
		}

  while(b){
		     i = Math.random() * cardArr.length;
		     cardArr.push(cardArr.splice(i,1)[0]);

		     count++;
			 if(count==500)
				  b= false;
		   }