flash中loading效果实现代码

//**********************************************************
//Copyright (C) 2006-2026
//黑白人动画工作室
//Email:syxu@3c800.com
//www.111com.net
//**********************************************************
/*
FLASH开发通用模板
*/
//---------------------------------------------------------
stop();
_quality = "MEDIDU";
//"LOW"、"HIGH"、"BEST"
Stage.scaleMode = "noScale";
//"exactFit"、"showAll"、"noBorder"
fscommand("fullscreen", true);
//"quit"、"allowscale"、" showmenu "、"exec "、"trapallkeys"
//---------------------------------------------------------
//右键菜单版权信息和导航系统
rightmeun = new ContextMenu();
rightmeun.hideBuiltInItems();
rightmeun.customItems.push(new ContextMenuItem("rightmenu_item1", dj_menu0, false));
rightmeun.customItems.push(new ContextMenuItem("rightmenu_item2", dj_menu1, true));
rightmeun.customItems.push(new ContextMenuItem("rightmenu_item3", dj_menu2, false));
function dj_menu0() {
 //此处是你的代码...
}
function dj_menu1() {
 //此处是你的代码...
}
function dj_menu2() {
 //此处是你的代码...
}
_root.menu = rightmeun;
//---------------------------------------------------------
//自定义函数
function huanshu() {
 //此处是你的代码...
}
//---------------------------------------------------------
//纯AS的Loading...
function Draw(nam, de, d, al) {
 na = createEmptyMovieClip(nam, de);
 na.lineStyle(d, 0xFF6600, al);
 //颜色
 na._x = 200;
 //起始X
 na._y = 200;
 //起始Y
 na.lineTo(120, 0);
 //宽度
}
onEnterFrame = function () {
 var a = getBytesTotal();
 //总大小
 var b = getBytesLoaded();
 //已下载
 if (b   Draw("b1", 1, 3, 20);
  //阴影
  Draw("b2", 2, 3, 100);
  //进度条
  b2._xscale = b/a*100;
  //进度条宽度百分比
 } else {
  delete onEnterFrame;
  b1.removeMovieClip();
  //删除进度条
  b2.removeMovieClip();
  play();
  //下载完成播放
 }
};
//调试时按Ctrl+B
//-------------------