用flash制作相册的源码(as3 xml 图片浏览)

主要功能：
      ⒈图片列表.
         ⒉控制加载的图片大小.
      ⒊图片切换效果（简单的遮照功能）.

3od471637.jpg

DEMO.as：
package {
import fl . transitions .*;
import fl . transitions . easing .*;
import flash . text .*;
import flash . system . System ;
import flash . events . MouseEvent ;
import flash . events . Event ;
import flash . xml . XMLDocument ;
import flash . net . URLLoader ;
import flash . net . URLRequest ;
import flash . filters . GlowFilter ;
import flash . utils . Timer ;
import flash . events . TimerEvent ;
import flash . display .*;
public class demo extends Sprite {
//定义属性
private var firstLoad : Boolean = true ;
private var firsttxt : Boolean = true ;
private var border : Sprite = new Sprite ;
private var ThumbContainer : Sprite = new Sprite ;
private var mc : MovieClip = new MovieClip ;
private var txtmc : MovieClip = new MovieClip ;
private var BtnPrev : MovieClip = new MovieClip ;
private var BtnNext : MovieClip = new MovieClip ;
private var loadContainer : Sprite = new Sprite ;
private var loading : MovieClip = new MovieClip ;
private var num : uint = 0 ;
private var snum : uint = 11 ;
private var pag : uint = 1 ;
private var len : uint ;
private var XmlUrl : URLRequest ;
private var XmlLoader : URLLoader ;
private var PicUrl : URLRequest ;
private var ThumbUrl : URLRequest ;
private var loader : Loader ;
private var Text : TextField ;
private var _picGlowFilter : GlowFilter = new GlowFilter ( 0x999999 , 1 , 3 , 3 , 3 , 2 , false , false );
private var _glowFilter : GlowFilter = new GlowFilter ( 0x000000 ,. 8 , 2 , 2 , 4 , 1 , true , false );
var PicUrlAry : Array = new Array ();
var PicTextAry : Array = new Array ();
public function demo () {
stage . scaleMode = StageScaleMode . NO_SCALE ;
init (); //初始化
}
private function init (): void {
   //初始化组件
   var BtnPrev : MovieClip = getChildByName ( "pre" ) as MovieClip ;
   BtnPrev . addEventListener ( MouseEvent . MOUSE_DOWN , preHandler );
   BtnPrev . buttonMode = true ;
   var BtnNext : MovieClip = getChildByName ( "nex" ) as MovieClip ;
   BtnNext . addEventListener ( MouseEvent . MOUSE_DOWN , nextHandler );
   BtnNext . buttonMode = true ;
   //处理XML文件，处理完成后加载第一张大图和缩略图
   XmlUrl = new URLRequest ( "piclist.xml" );
   XmlLoader = new URLLoader ();
   XmlLoader . load ( XmlUrl );
   XmlLoader . addEventListener ( Event . COMPLETE , completeHandler );
}
//xml载入完成
function completeHandler ( event : Event ) {
   var Xml : XML = new XML ( event . target . data );
len = Xml . pic . length ();
   for ( var i : uint = 0 ; i < len ; i ++) {
    PicUrlAry [ i ]=( Xml . pic [ i ]. url ). toString ();
    PicTextAry [ i ]=( Xml . pic [ i ]. content ). toString ();
   }
   //载入第一张图片和缩略图
loadThumb ();
loadPic ( num );
}
//载入大图
function loadPic ( num : uint ): void {
   PicUrl = new URLRequest ( PicUrlAry [ num ]);
loader = new Loader ();
loader . contentLoaderInfo . addEventListener ( Event . COMPLETE , PicLoadcomplete );
loader . load ( PicUrl );
showText ( num );
}
//载入大图完成后，显示遮罩
function PicLoadcomplete ( evt : Event ): void {
   var a : uint = 0 ;
   var b : uint = 0 ;
   //控制图片大小，按比例缩放
a = Math . round (( 768 / evt . target . content . width )* 100 );
b = Math . round (( 400 / evt . target . content . height )* 100 );
   if ( a < 100 || b < 100 ) {
    if ( a < b ) {
   evt . target . content . scaleX = a / 100 ;
   evt . target . content . scaleY = a / 100 ;
    } else {
   evt . target . content . scaleX = b / 100 ;
   evt . target . content . scaleY = b / 100 ;
    }
   }
mc . addChildAt (( evt . target . content ), 0 ); //加载在最底层
mc . x = 16 + 384 - evt . target . content . width / 2 ;
mc . y = 17 + 200 - evt . target . content . height / 2 ;
addChildAt ( mc , 1 );
   RandomInMask ( mc ); //随机遮罩显示
   if (! firstLoad ) {
   mc . removeChildAt ( 1 ); //移除上层的图片。
   }
firstLoad = false ;
}
//随机遮罩显示大图
function RandomInMask ( _mc : MovieClip ) {
   var ran : Number ;
ran = Math . round ( Math . random () * 10 );
   switch ( ran ) {
    case 1 :
   TransitionManager . start ( _mc ,{ type : Blinds , direction : Transition . IN , duration : 2 , easing : None . easeNone , numStrips : 10 , dimension : 0 });
   break ;
    case 2 :
   TransitionManager . start ( _mc ,{ type : Blinds , direction : Transition . IN , duration : 2 , easing : None . easeNone , numStrips : 10 , dimension : 1 });
   break ;
    case 3 :
   TransitionManager . start ( _mc , { type : Iris , direction : Transition . IN , duration : 2 , easing : Strong . easeOut , startPoint : 1 , shape : Iris . CIRCLE });
   break ;
    case 4 :
   TransitionManager . start ( _mc , { type : Iris , direction : Transition . IN , duration : 2 , easing : Strong . easeOut , startPoint : 2 , shape : Iris . SQUARE });
   break ;
    case 5 :
   TransitionManager . start ( _mc , { type : Iris , direction : Transition . IN , duration : 2 , easing : Strong . easeOut , startPoint : 5 , shape : Iris . CIRCLE });
   break ;
    case 6 :
   TransitionManager . start ( _mc , { type : Iris , direction : Transition . IN , duration : 2 , easing : Strong . easeOut , startPoint : 8 , shape : Iris . SQUARE });
   break ;
    case 7 :
   TransitionManager . start ( _mc , { type : Fade , direction : Transition . IN , duration : 9 , easing : Strong . easeOut });
    case 8 :
   TransitionManager . start ( _mc , { type : PixelDissolve , direction : Transition . IN , duration : 2 , easing : Regular . easeIn , xSections : 10 , ySections : 10 });
   break ;
    case 9 :
   TransitionManager . start ( _mc , { type : Zoom , direction : Transition . IN , duration : 2 , easing : Elastic . easeOut });
    default :
   TransitionManager . start ( _mc , { type : Wipe , direction : Transition . IN , duration : 2 , easing : None . easeNone , startPoint : 1 });
   break ;
   }
}
//载入小图
function loadThumb (): void {
   while ( ThumbContainer . numChildren > 0 ) {
    ThumbContainer . removeChildAt ( 0 );
   }
   while ( loadContainer . numChildren > 0 ) {
   loadContainer . removeChildAt ( 0 );
   }
   var ni : uint = 0 ;
   if ( len - pag * snum > 0 ) {
   ni = pag * snum ;
   } else {
   ni = len ;
   }
   var n : uint = 0 ;
   for ( var i : uint =( pag - 1 )* snum ; i < ni ; i ++) {
    ThumbUrl = new URLRequest ( PicUrlAry [ i ]);
   loader = new Loader ();
   loading = new loadwait ();
   loader . x = 70 + n * 60 ;
   loading . x = 70 + n * 60 ;
   loader . y = 465 ;
   loading . y = 465 ;
   n ++;
   loadContainer . addChild ( loading );
   addChild ( loadContainer );
   loader . contentLoaderInfo . addEventListener ( Event . COMPLETE , ThumbLoadcomplete );
   loader . load ( ThumbUrl );
   loader . addEventListener ( MouseEvent . MOUSE_DOWN , showPic );
    ThumbContainer . buttonMode = true ;
    ThumbContainer . addChild ( loader );
   }
addChild ( ThumbContainer );
}
//缩略图载入完成后修改大小
function ThumbLoadcomplete ( evt : Event ): void {
   var loaderinfo : LoaderInfo = evt . target as LoaderInfo ;
loaderinfo . content . width = 50 ;
loaderinfo . content . height = 26 ;
loaderinfo . content . filters = [ _picGlowFilter ];
}
//缩略图的侦听事件
function showPic ( event : MouseEvent ): void {
   var target : DisplayObject = event . target as DisplayObject ;
num = ThumbContainer . getChildIndex ( target )+( pag - 1 )* snum ;
loadPic ( num );
   //removeChildAt(1);
}
//显示文字
function showText ( num : uint ) {
   Text = new TextField ();
   Text . text = PicTextAry [ num ];
   Text . width = 200 ;
   Text . height = 15 ;
   Text . textColor = 0x000000 ;
   Text . x = 300 ;
   Text . y = 422 ;
   Text . autoSize = "center" ;
txtmc . addChildAt ( Text , 0 );
addChildAt ( txtmc , 1 );
   if (! firsttxt ) {
   txtmc . removeChildAt ( 1 ); //移除上层的文字。
   }
firsttxt = false ;
}
//点击BtnPrev
function preHandler ( event : MouseEvent ): void {
   if ( pag >= 2 ) {
   pag --;
   num =( pag - 1 )* snum ;
   loadThumb ();
   loadPic ( num );
   }
}
//点击BtnNext
function nextHandler ( event : MouseEvent ): void {
   if ( pag < Math . ceil ( len / snum )) {
   pag ++;
   num =( pag - 1 )* snum ;
   loadThumb ();
   loadPic ( num );
   }

}

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用flash制作相册的源码(as3 xml 图片浏览)

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