复制代码 代码如下:
下面是所有的AS代码：
//%%%%%%%%%%%%MC类自定义方法%%%%%%%%%%%%//
//——————绘图方法————//
//三角型方法
MovieClip.prototype.sanjiaoxing=function(zuobiao1,zuobiao2,zuobiao3,bangzhi,yanse,toumingdu){
this.lineStyle(bangzhi,yanse,toumingdu);
this.moveTo(zuobiao1.x,zuobiao1.y);
this.lineTo(zuobiao2.x,zuobiao2.y);
this.lineTo(zuobiao3.x,zuobiao3.y);
this.lineTo(zuobiao1.x,zuobiao1.y);
};
//宽高矩形法，根据初始点坐标和宽与高确定矩形。x，y为初始点坐标，kuan和gao为矩形的宽和高。
MovieClip.prototype.changkuanjuxing=function(x,y,kuan,gao,bangzhi,yanse,toumingdu){
this.lineStyle(bangzhi,yanse,toumingdu);
this.moveTo(x,y);
this.lineTo(x+kuan,y);
this.lineTo(x+kuan,y+gao);
this.lineTo(x,y+gao);
this.lineTo(x,y);
};
//中心点矩形法，根据中心点的坐标和宽与高确定矩形。x，y为中心点坐标，kuan，gao为矩形的长和宽。
MovieClip.prototype.zhongxinjuxing=function(x,y,kuan,gao,bangzhi,yanse,toumingdu){
this.lineStyle(bangzhi,yanse,toumingdu);
this.moveTo(x-kuan/2,y+gao/2);
this.lineTo(x+kuan/2,y+gao/2);
this.lineTo(x+kuan/2,y-gao/2);
this.lineTo(x-kuan/2,y-gao/2);
this.lineTo(x-kuan/2,y+gao/2);
};
//————定位方法————//
MovieClip.prototype.dingwei=function(x,y){
this._x=x;
this._y=y;
};
//————上色方法————//
//定义一个获取颜色值，并把它转化成16进制的函数
//获取颜色值的后六位，使此方法可以同时满足“#FFFFFF”和“0xFFFFFF”两种格式的颜色值
functionjinzhizhuanhuan(yansezhi){
varyansezhi=yansezhi.substr(-6,6);
returnparseInt(yansezhi,16);
}
Color.prototype.shangse=function(yansezhi){
this.setRGB(jinzhizhuanhuan(yansezhi));
};
MovieClip.prototype.shangse=function(yansezhi){
varlinshi_color=newColor(this);
linshi_color.shangse(yansezhi);
};
//%%%%%%%%%%%加载XML文档%%%%%%%%%%%%%//
gundongtiao_xml=newXML();
gundongtiao_xml.ignoreWhite=true;
gundongtiao_xml.load("gundongtiao.xml");
gundongtiao_xml.onLoad=function(){
varjiedianlujing_xml=gundongtiao_xml.firstChild.childNodes;
//滚动条背景参数
with(jiedianlujing_xml[0]){
vargundongtiaobeijingse=jinzhizhuanhuan(attributes["背景色"]);
vargundongtiaotoumingdu=attributes["背景透明度"];
vargundongtiaobiankuangse=jinzhizhuanhuan(attributes["边框色"]);
vargundongtiaobiankuangtoumingdou=attributes["边框透明度"];
vargundongtiaobiankuangcuxi=attributes["边框粗细"];
vargundongtiaokuan=attributes["宽"];
}
//方块参数
with(jiedianlujing_xml[1]){
varfangkuaibeijingse=jinzhizhuanhuan(attributes["背景色"]);
varfangkuaitoumingdu=attributes["背景透明度"];
varfangkuaibiankuangse=jinzhizhuanhuan(attributes["边框色"]);
varfangkuaibiankuangtoumingdou=attributes["边框透明度"];
varfangkuaibiankuangcuxi=attributes["边框粗细"];
}
//三角参数
with(jiedianlujing_xml[2]){
varsanjiaoyuanshise=jinzhizhuanhuan(attributes["原始色"]);
varsanjiaohuodongse=jinzhizhuanhuan(attributes["活动色"]);
//记录下原始色和活动色，以备在“上”，“下”按钮中使用
jiluyuanshise=attributes["原始色"];
jiluhuodongse=attributes["活动色"];
varsanjiaotoumingdou=attributes["透明度"];
}
//滑块参数
with(jiedianlujing_xml[3]){
varhuakuaibeijingse=jinzhizhuanhuan(attributes["背景色"]);
varhuakuaitoumingdu=attributes["背景透明度"];
varhuakuaibiankuangse=jinzhizhuanhuan(attributes["边框色"]);
varhuakuaibiankuangtoumingdou=attributes["边框透明度"];
varhuakuaibiankuangcuxi=attributes["边框粗细"];
}
//先根据文本域的高确定滚动条的高
gundongtiaogao=wenben_txt._height;
////////////中心法绘制滚动条背景矩形条
createEmptyMovieClip("gundongtiao_mc",1000);
gundongtiao_mc.beginFill(gundongtiaobeijingse,gundongtiaotoumingdu);
gundongtiao_mc.zhongxinjuxing(0,0,gundongtiaokuan,gundongtiaogao,gundongtiaobiankuangcuxi,gundongtiaobiankuangse,gundongtiaobiankuangtoumingdou);
gundongtiao_mc.endFill();
//根据文本域的位置确定滚动条位置，使其紧贴在文本域的右端
gundongtiao_mc.dingwei(wenben_txt._x+wenben_txt._width+gundongtiao_mc._width/2,wenben_txt._y+wenben_txt._height/2);
/////////中心点矩形法绘制滚动条上下按钮
//////绘制上按钮背景方块
gundongtiao_mc.createEmptyMovieClip("shangfangkuai_mc",1);
gundongtiao_mc.shangfangkuai_mc.beginFill(fangkuaibeijingse,fangkuaitoumingdu);
gundongtiao_mc.shangfangkuai_mc.zhongxinjuxing(0,0,gundongtiao_mc._width,gundongtiao_mc._width,fangkuaibiankuangcuxi,fangkuaibiankuangse,fangkuaitoumingdu);
gundongtiao_mc.shangfangkuai_mc.endFill();
//定位上按钮背景方块
gundongtiao_mc.shangfangkuai_mc.dingwei(0,-gundongtiao_mc._height/2+gundongtiao_mc.shangfangkuai_mc._height/2);
//////绘制上按钮三角形
gundongtiao_mc.createEmptyMovieClip("shangsanjiao_mc",2);
//中心点法绘制三角形
//首先定义一个因子，此因子等于正三角形中心到各顶点的距离，用来定位三角形各顶点的位置。
varyinzi=gundongtiaokuan/3;
varzuobiao1x=-1/2*Math.pow(3,1/2)*yinzi;
varzuobiao1y=1/2*yinzi;
varzuobiao2x=1/2*Math.pow(3,1/2)*yinzi;
varzuobiao2y=1/2*yinzi;
varzuobiao3x=0;
varzuobiao3y=-yinzi;
varzuobiao1={x:zuobiao1x,y:zuobiao1y};
varzuobiao2={x:zuobiao2x,y:zuobiao2y};
varzuobiao3={x:zuobiao3x,y:zuobiao3y};
gundongtiao_mc.shangsanjiao_mc.beginFill(sanjiaoyuanshise,sanjiaotoumingdou);
gundongtiao_mc.shangsanjiao_mc.sanjiaoxing(zuobiao1,zuobiao2,zuobiao3,1,0x000000,0);
gundongtiao_mc.shangsanjiao_mc.endFill();
//定位上三角形
gundongtiao_mc.shangsanjiao_mc.dingwei(0,-gundongtiao_mc._height/2+gundongtiao_mc.shangfangkuai_mc._height/2);
//////复制上按钮背景方块和三角形，并定位于下方
//复制下方块
gundongtiao_mc.shangfangkuai_mc.duplicateMovieClip("xiafangkuai_mc",3);
//定位下按钮背景方块，这里的Y坐标加一，是为了让下方块跟文本框底部对齐！
gundongtiao_mc.xiafangkuai_mc.dingwei(0,Math.floor(gundongtiao_mc._height/2-gundongtiao_mc.xiafangkuai_mc._height/2)+1);
//复制下三角形
gundongtiao_mc.shangsanjiao_mc.duplicateMovieClip("xiasanjiao_mc",4);
//旋转180度
gundongtiao_mc.xiasanjiao_mc._rotation=180;
//定位下三角形
gundongtiao_mc.xiasanjiao_mc.dingwei(0,gundongtiao_mc._height/2-gundongtiao_mc.xiafangkuai_mc._height/2);
///////////绘制滑块
//长宽矩形法绘制滑块矩形
gundongtiao_mc.createEmptyMovieClip("huakuai_mc",5);
gundongtiao_mc.huakuai_mc.beginFill(huakuaibeijingse,huakuaitoumingdu);
gundongtiao_mc.huakuai_mc.changkuanjuxing(-gundongtiao_mc._width/2,0,gundongtiao_mc._width,gundongtiao_mc._width,huakuaibiankuangcuxi,huakuaibiankuangse,huakuaibiankuangtoumingdou);
gundongtiao_mc.huakuai_mc.endFill();
//---------滚动初始化---------//
//滑块的初始高度，并记录
chushigaodu=Math.floor(gundongtiao_mc.xiafangkuai_mc._y-gundongtiao_mc.shangfangkuai_mc._y-gundongtiao_mc.shangfangkuai_mc._height);
//初始化滑块Y坐标，并记录
ychushiweizhi=gundongtiao_mc.huakuai_mc._y=Math.round(gundongtiao_mc.shangfangkuai_mc._y+gundongtiao_mc.shangfangkuai_mc._height/2);
//小滑块不可见
gundongtiao_mc.huakuai_mc._visible=false;
};
//%%%%%%%%%%%%%%%%滚动代码%%%%%%%%%%%%%%%%%%//
//////////为父剪辑的文字域注册侦听器，以侦听在文字域产生变化时，也就是在文本被载入进来时，执行下面的代码。这样就不用担心代码执行顺序问题！
varzhentingqi=newObject();
wenben_txt.addListener(zhentingqi);
//当文字域载入完成时，为什么触发onScroller事件，而不是onChange事件？
zhentingqi.onScroller=function(){
trace("-------------------------");
trace("滚动总行数="+wenben_txt.maxscroll);
trace("当前行="+wenben_txt.scroll);
//判断滑块儿是否显示，并根据文本内容多少定义滑块高度
if(_parent.wenben_txt.maxscroll!=1){
gundongtiao_mc.huakuai_mc._visible=true;
//定义一个高度因子，此因子随加载文本的增多，将无限趋向于1。
vargaoduyinzi=1-(wenben_txt.maxscroll-1.5)/wenben_txt.maxscroll;
//初始化滑块的高度，它的最小高度定义为2象素。
gaodu=gundongtiao_mc.huakuai_mc._height=Math.floor(chushigaodu*Math.pow(gaoduyinzi,1/6));
trace("滑块高="+gaodu);
}
//滑块滚动的总象素数
varzongxiangsu=gundongtiao_mc.xiafangkuai_mc._y-gundongtiao_mc.shangfangkuai_mc._y-gundongtiao_mc.shangfangkuai_mc._height-gundongtiao_mc.huakuai_mc._height;
//定义平均象素,每一行所包含的像素数，即文本域每滚动一行，滑块需要移动的象素数。
varpingjunxiangsu=zongxiangsu/(wenben_txt.maxscroll-1);
//定义平均行数,每一像素包含的行数，即滑块每移动一象素，文本域在理论上应当滚动的行数（尽管非整数行在视觉上没有反映）。
varpingjunhangshu=(wenben_txt.maxscroll-1)/Math.floor(zongxiangsu);
trace("滚动总象素="+zongxiangsu);
trace("平均象素值="+pingjunxiangsu);
///////////定义上按钮
gundongtiao_mc.shangfangkuai_mc.onRollOver=function(){
gundongtiao_mc.shangsanjiao_mc.shangse(jiluhuodongse);
this.onPress=function(){
this.onEnterFrame=function(){
wenben_txt.scroll--;
//使滑块儿移动到相应的位置。
gundongtiao_mc.huakuai_mc._y=ychushiweizhi+pingjunxiangsu*(wenben_txt.scroll-1);
trace("滑块Y坐标="+gundongtiao_mc.huakuai_mc._y);
};
};
this.onRelease=function(){
deletethis.onEnterFrame;
};
this.onRollOut=function(){
gundongtiao_mc.shangsanjiao_mc.shangse(jiluyuanshise);
};
};
////////////定义下按钮
gundongtiao_mc.xiafangkuai_mc.onRollOver=function(){
gundongtiao_mc.xiasanjiao_mc.shangse(jiluhuodongse);
this.onPress=function(){
this.onEnterFrame=function(){
wenben_txt.scroll++;
//使滑块儿移动到相应的位置。
gundongtiao_mc.huakuai_mc._y=ychushiweizhi+pingjunxiangsu*(wenben_txt.scroll-1);
trace("滑块Y坐标="+gundongtiao_mc.huakuai_mc._y);
};
};
this.onRelease=function(){
deletethis.onEnterFrame;
};
this.onRollOut=function(){
gundongtiao_mc.xiasanjiao_mc.shangse(jiluyuanshise);
};
};
///////////换用MOUSE对象的onMouseWheel方法结合侦听器实现滑块随鼠标滚球滚动
mouseListener=newObject();
Mouse.addListener(mouseListener);
mouseListener.onMouseWheel=function(delta){
delta=1;
gundongtiao_mc.huakuai_mc._y=ychushiweizhi+pingjunxiangsu*(wenben_txt.scroll-1);
};
///////////滑块MC事件处理，当鼠标经过或按下时
gundongtiao_mc.huakuai_mc.onPress=function(){
//开始拖动
this.startDrag(false,this._x,ychushiweizhi,this._x,Math.round(gundongtiao_mc.xiafangkuai_mc._y-gundongtiao_mc.xiafangkuai_mc._height/2-gundongtiao_mc.huakuai_mc._height));
//使文本随滑块滚动
this.onEnterFrame=function(){
//在滚动过程中即时获得“滑块所处位置”
varxianzaiweizhi=Math.floor(this._y);
trace("现在位置="+xianzaiweizhi);
//使文本随滚动条滚动,这里为什么要加1，可见scroll属性值应该是取正的，也就是说它会删除小数部分，而非采用四舍五入制？
wenben_txt.scroll=(xianzaiweizhi-ychushiweizhi)*pingjunhangshu+1;
trace("scroll值="+Math.floor((xianzaiweizhi-ychushiweizhi)*pingjunhangshu+1));
trace("初始位置="+ychushiweizhi);
trace("现在位置="+xianzaiweizhi);
};
};
//滑块MC事件处理，鼠标移出或释放时
gundongtiao_mc.huakuai_mc.onRollOut=gundongtiao_mc.huakuai_mc.onRelease=function(){
//“滑块”停止拖动
this.stopDrag();
//停止文本随滑块滚动事件
deletethis.onEnterFrame;
};
};