flash下拉列表(comboBox

*/
//画矩形
function createRectangle(x:Number, y:Number, w:Number, h:Number, mc:MovieClip) {
mc.beginFill(0xffffff);
mc.moveTo(x, y);
mc.lineTo(x+w, y);
mc.lineTo(x+w, y+h);
mc.lineTo(x, y+h);
mc.lineTo(x, y);
mc.endFill();
}
//
var mygamemylove_com:Object=new Object()
//_mc 附加的下拉列表模板,模板要注意的几点：1.下拉列表的背景：库:"buton"元件，它有3种状态：鼠标点击，放上面，离开。2.库"下拉菜单组件"元件,里的那个mc的名称必须为：mcXiaLa
//详情最好参看源文件。下载地址：http://www.mygamemylove.com/121.html
//arrList 数据列表
//点击某一个表单要处理的动作
//例子
//var arrTem:Array = [{label:"易做图易做图", data:1}, {label:"生活娱乐", data:2}, {label:"自然风景", data:3}, {label:"科技时代", data:4}];
//mygamemylove_com.iniDropList(mcXiaLa, arrTem, function () {
//trace(mcXiaLa.value);
//});
mygamemylove_com.iniDropList = function(_mc:MovieClip, arrList:Array, funWhenPress:Function) {
//生成文本
_mc.setTxt = function(target_mc:MovieClip, strTalkYor:String, x:Number, y:Number, color1:Number) {
  target_mc.createTextField("my_txt", 1, x, y, 100, 30);
  target_mc.my_txt.multiline = true;
  //
  target_mc.my_txt.selectable = false;
  //指示文本字段是否为多行文本字段
  target_mc.my_txt.wordWrap = true;
  //是否自动换行
  target_mc.my_txt.my_fmt = new TextFormat();
  target_mc.my_txt.my_fmt.color = color1;
  //颜色
  //target_mc.my_txt.my_fmt.underline = true;
  //下划线
  target_mc.my_txt.my_fmt.bold = true;
  //加粗
  target_mc.my_txt.my_fmt.font = "Arial";
  //
  target_mc.my_txt.text = strTalkYor;
  target_mc.my_txt.setTextFormat(target_mc.my_txt.my_fmt);
};
//
_mc.arrList = arrList;
//
_mc.setTxt(_mc, _mc.arrList[0].label, 0, 0, 0);
//
_mc.value = _mc.arrList[0].data;
//
_mc.mcXiaLa.gotoAndStop(1);
_mc.mcXiaLa.onRollOver = function() {
  //生成一个背景,目的在于，可以屏蔽掉如果它的下边有一些按键的问题
  //flash背景调到灰色你可以看到这个白框。
  this._parent.createEmptyMovieClip("mcBak", 2);
  createRectangle(0, 23, 100, this._parent.arrList.length*24, this._parent.mcBak);
  this._parent.mcBak.onRelease = function() {
  };
  //
  this.gotoAndStop(2);
  //
  this._parent.createEmptyMovieClip("mcRongQi", 3);
  var numStarY:Number = 24;
  //显示列表。
  for (var i:Number = 0; i<this._parent.arrList.length; i++) {
   var mcTem:MovieClip = this._parent.mcRongQi.attachMovie("buton", "buton"+i, this._parent.mcRongQi.getNextHighestDepth(), {_y:numStarY*(i+1), _width:_mc.mcXiaLa._width, value:_mc.arrList.data, numI:i});
   //
   //
   this._parent.setTxt(mcTem, _mc.arrList.label, 0, 0, 0);
   //
   mcTem.gotoAndStop(1);
   mcTem.onRollOver = function() {
    this.gotoAndStop(2);
   };
   mcTem.onRollOut = function() {
    this.gotoAndStop(1);
   };
   mcTem.onPress = function() {
    this.gotoAndStop(3);
    //
    this._parent._parent.my_txt.text = this._parent._parent.arrList[this.numI].label;
    this._parent._parent.value = this._parent._parent.arrList[this.numI].data;
    //
    funWhenPress();
    //
    this._parent._parent.mcBak.removeMovieClip();
    //
    this._parent.removeMovieClip();
   };
   mcTem.onRelease = function() {
    this.gotoAndStop(1);
   };
  }
  //
};
_mc.mcXiaLa.onRollOut = function() {
  this.gotoAndStop(1);
};
_mc.mcXiaLa.onPress = function() {
  this.gotoAndStop(3);
};
_mc.mcXiaLa.onRelease = function() {
  this.gotoAndStop(1);
  //
};
//
};

//下拉列表,图片分类
var arrTem:Array = [{label:"易做图易做图", data:1}, {label:"生活娱乐", data:2}, {label:"自然风景", data:3}, {label:"科技时代", data:4}];
mygamemylove_com.iniDropList(mcXiaLa, arrTem, function () {
//trace(mcXiaLa.value);
});

补充：flash教程,As3.0