FlexÖÐImage¼ÓÔØͼƬ³ö´íʱÏÔʾĬÈÏͼƬµÄ¼¸ÖÖ·½·¨
FlexÖÐImage¼ÓÔØͼƬ³ö´íʱÏÔʾĬÈÏͼƬµÄ·½·¨Ö÷ÒªÓÐÒÔϼ¸ÖÖ£º
·½·¨Ò»£ºÀûÓà brokenImageSkin ·ç¸ñÏÔʾһ¸öĬÈϵÄͼ£¬Ö»ÐèÉèÖÃCSS¾ÍÐÐÁË£¬ÈçÏ£º
<mx:Style>
Image {
brokenImageSkin: Embed("assets/404.jpg");
}
</mx:Style>
·½·¨¶þ£º¼àÌýImage×é¼þµÄIOErrorEvent.IO_ERRORʼþ£¬´úÂëÈçÏ£º
private function errorHandler():void
{
image.source = "assets/404.jpg";
}
<mx:Image id="image" source="http://²»´æÔÚ.jpg" ioError="errorHandler()"/>
·½·¨Èý£º¼Ì³ÐImageÀ࣬¸²¸ÇÆäset source·½·¨£¬ÈçÏ£º
override public function set source(value:Object):void
{
if(!value || value == ""){
value = "assets/404.jpg";
}
super.source = value;
}
ÍƼöʹÓõÚÈýÖÖ·½·¨£¬ÒòΪµÚÒ»ÖÖ·½·¨¸úµÚ¶þÖÖ·½·¨Óиö¹²Í¬µÄȱµã£¬ÈçÏÂÇé¿ö£º
<mx:Image id="image" source="" ioError="errorHandler()"/>
´ËʱÎÞÂÛÊǵÚÒ»ÖÖ·½·¨»¹ÊǵڶþÖÖ·½·¨¶¼²»»áÏÔʾĬÈÏͼƬ£¬¶øµÚÈýÖÖ·½·¨¾Í¿ÉÒÔ½â¾öÕâ¸öÎÊÌâ¡£
µÚÈýÖÖ·½·¨¾ßÌåʵÏÖ¼°Ê¹Ó÷½·¨ÈçÏ£º
MyImage.as
package
{
import flash.events.IOErrorEvent;
import mx.controls.Image;
public class MyImage extends Image
{
private var defaultImage:String = "assets/404.jpg";
public function MyImage()
{
this.addEventListener(IOErrorEvent.IO_ERROR, ioErrorHandler);
}
override public function set source(value:Object):void
{
if(!value || value == ""){
value = defaultImage;
}
super.source = value;
}
private function ioErrorHandler(event:IOErrorEvent):void
{
super.source = defaultImage;
}
}
}
Main.mxml
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" xmlns:local="*">
<local:MyImage id="image" source=""/>
</mx:Application>
ÍƼöʹÓõÚÈýÖÖ·½·¨¡£
Ïà¹ØÎĵµ£º
²»¿É·ñÈÏMyEclipseÏÖÔÚÔ½×öԽǿ´ó£¨±Ï¾¹ÊÇÊշѵÄÂ£¬Ç¿´óµ½¿ªÊ¼ÅųâµÚÈý·½²å¼þ£¬ÕâÓÐЩ²»·ûºÏEclipseµÄ³õÖÔ£¬Eclipse¾ÍÊÇ¿¿Á¼ºÃµÄÀ©Õ¹ÐÔ·¢Õ¹ÆðÀ´µÄ¡£
MyEclipse´Ó7.5¿ªÊ¼£¨7.0ûÓùý£¬²»ÖªµÀ£©£¬ÍêÈ«¸Ä±äÁ˳ÌÐò½á¹¹£¬ÏÖÔÚÀ©Õ¹µÚÈý·½²å¼þ ÔÙҲûÓÐÒÔÇ°ÄÇô·½±ãÁË£¬ÌرðÊÇlink·½Ê½£¬Õâ¶Ô³ÌÐòÔ±À´ËµÊÇÖÂÃüµÄ¡£Flex Plugin ° ......
Flex Builder 3 ÏÂÔØ°²×°Óë×¢²áÂë(ת)
Flex Builder 3 Õýʽ°æ£¬·¢²¼ÓÚÖйúʱ¼ä 2008 Äê 2 Ô 25 ÈÕ£»
ÏÂÔصØÖ·Ò»£º
http://download.macromedia.com/pub/flex/flex_builder/FB3_win.exe
´óС£º 424 MB £»Î´½øÐÐѹËõµÄ Flex Builder 3 °²×°Îļþ
²»ÓÃ×¢²áµÇ¼£¬¿ÉÒÔÖ±½ÓÏÂÔØ¡£
ÏÂÔصØÖ·¶þ£º
http://trials.adobe.com/ ......
*****************************************************
1-0. °²×°ÅäÖù¤×÷»·¾³
*****************************************************
1.°²×°jdk1.6
ÉèÖû·¾³±äÁ¿:java_home,ÄÚÈÝΪjdk°²×°ºójdkËùÔÚĿ¼£¬²»ÊÇjreĿ¼
2.°²×°tomcal 6.0µ½d:\
3.°²×°myeclipse 6.5
4.°²×°firefox¼°²å¼þ
°²×°firefox
&nbs ......
Flex DataGrid×é¼þ
ʵ¼ÊÉÏ£¬DataGrid×é¼þÊÇÊôÓÚÁбí×é¼þµÄ£¬Ö®ËùÒÔµ¥¶ÀÄóöÀ´½²½â£¬Ö÷ÒªÊÇÒòΪ DataGrid×é¼þÓÐןÜÇ¿´óµÄ¹¦ÄÜ£¬Ò²ÓкܶàÀ©Õ¹µÄÓ¦ÓÃÊÇÔÚ¿ª·¢Öо³£Óõ½µÄ¡£DataGrid×é¼þÊÇ°´ÕÕÐкÍÁеÄÐÎʽÏÔʾÊý¾ÝµÄ¡£Óм¸¸öÀàÊÇÖ»ÓÐ DataGrid×é¼þ²ÅÄÜʹÓõģ¬°üÀ¨DataGridCellEditorÀà¡¢DataGridColumnÀàºÍHeaderRendere ......