每日一题2

要求编程实现！大家练练手吧！

输入一个数字，输出汉字的写法！

如：
输入：123456789
输出：一亿两千三百四十五万六千七百八十九

应该有很多方法，大家各抒己见，踊跃参加吧！！

http://topic.csdn.net/u/20110525/09/c725b2b9-bf31-497c-add3-ca2220ec73dc.htmlprivate var testStr:String="123456789020";private static const ZERO:String="零";private static const ONE:String="一";private static const TWO:String="二";private static const THREE:String="三";private static const FOUR:String="四";private static const FIVE:String="五";private static const SIX:String="六";private static const SEVEN:String="七";private static const EIGHT:String="八";private static const NINE:String="九";private static const TEN:String="十";private static const Hundred:String="百";private static const Thousand:String="千";private static const TEN_Thousand:String="万";private static const YI:String="亿"; protected function button3_clickHandler(event:MouseEvent):void { var length:int=testStr.length; var result:String=""; for (var i:int=0; i < length; i++) { var numStr:String=testStr.substring(i, i + 1); result+=getNum(numStr); result+=getUnit(length - i); var temp:int=(length - i) % 4 if (temp == 1) { result+=getLarge(length - i); } } trace(result); } //单位； protected function getUnit(num:int):String { if (num % 4 == 0) { return Thousand; } else if (num % 4 == 1) { return ""; } else if (num % 4 == 2) { return TEN; } else if (num % 4 == 3) { return Hundred; } else return ''; } //大单位 protected function getLarge(num:int):String { if (0 < num && num <= 4) // { return '' } else if (4 < num && num < 9) //万 { return TEN_Thousand; } else if (9 <= num && num < 14) //亿 { return YI; } else if (14 <= num && num < 18) //万亿 { return TEN_Thousand + YI; } else if (18 <= num) //万亿 { return YI + YI; } else return ''; } protected function getNum(num:String):String { if (num == '0') { return ZERO; } else if (num == '1') { return ONE; } else if (num == '2') { return TWO; } else if (num == '3') { return THREE; } else if (num == '4') { return FOUR; } else if (num == '5') { return FIVE; } else if (num == '6') { return SIX; } else if (num == '7') { return SEVEN; } else if (num == '8') { return EIGHT; } else if (num == '9') { return NINE; } else return ''; }

还没有完全做好。