FLASH倒计时代码

//定义变量开始
//定义重复调用函数的名称
private var my_ID:Number;
private var my_Second:Number;
//定义倒计时的总时间
private var my_Total:Number;
//定义倒计时完后，跳转的帧数
private var my_Frame:Number;
static var my_Length:Number;
//定义私有用于显示计时的场景动态文本实例
private var my_Text:TextField;
//构造实例函数，用于创建实例
public function TaoshawCountDown(my_text:TextField, second:Number, my_frame:Number) {
my_Text = my_text;
my_Second = second;
my_Total = second;
my_Frame = my_frame;
init();
}
//初始化计时器
private function init():Void {
//计时器数目递加
TaoshawCountDown.my_Length += 1;
}
//获取计时的总时间
public function get total():Number {
return my_Total;
}
//设置计时的总时间
public function set total(second:Number):Void {
my_Second = second;
my_Total = second;
}
//统计计时器的数目
static function getLength():Number {
return TaoshawCountDown.my_Length;
}
//实现计时功能
private function timeing():Void {
//当倒计时数目>0时，递减
if (my_Second>0) {
my_Text.text = String(my_Second);
my_Second--;
} else {
this.stop();
}
}
public function play():Void {
my_Text.text = String(my_Second);
//每隔1秒调用一次timeing函数
my_ID = setInterval(this, "timeing", 1000);
}
//定义stop()函数
public function stop():Void {
my_Second = my_Total;
my_Text.text = "计时结束";
//清除调用函数
clearInterval(my_ID);
//倒计时完后跳转的帧数
_root.gotoAndPlay(my_Frame);
}
}