Flex - 向右擦除效果

简介

WipeRight 类定义了一个向右擦除的效果。组件的之前或之后状态必须不可见。

类声明

以下是 **mx.effects.WipeRight** 类的声明：

public class WipeRight
   extends MaskEffects

公共方法

继承的方法

此类继承自以下类的方法：

• mx.effects.MaskEffect
• mx.effects.Effect
• flash.events.EventDispatcher
• Object

Flex 向右擦除效果示例

让我们按照以下步骤来检查在 Flex 应用程序中使用 WipeRight 效果，方法是创建一个测试应用程序：

以下是修改后的 mxml 文件 **src/com.tutorialspoint/HelloWorld.mxml** 的内容。

<?xml version = "1.0" encoding = "utf-8"?>
<s:Application xmlns:fx = "http://ns.adobe.com/mxml/2009"
   xmlns:s = "library://ns.adobe.com/flex/spark"
   xmlns:mx = "library://ns.adobe.com/flex/mx
   width = "100%" height = "100%" minWidth = "500" minHeight = "500">
   
   <fx:Style source = "/com/tutorialspoint/client/Style.css" />
   <fx:Script>
      <![CDATA[
         protected function btnWipeRight_clickHandler
            (event:MouseEvent):void {			
            imageFlex.visible = true;
         }
      ]]>
   </fx:Script>
   
   <fx:Declarations>
      <mx:WipeRight id = "wipeRight" duration = "2000" />
   </fx:Declarations>
   
   <s:BorderContainer width = "630" height = "480" id = "mainContainer" 
      styleName = "container">
      <s:VGroup width = "100%" height = "100%" gap = "50" 
         horizontalAlign = "center" verticalAlign = "middle">
         
         <s:Label id = "lblHeader" text = "Effects Demonstration" 
            fontSize = "40" color = "0x777777" styleName = "heading" />
         <s:Panel id = "wipeRightPanel" title = "Using WipeRight Effect" 
            width = "500" height = "300" includeInLayout = "true" visible = "true">
            
            <s:layout>
               <s:VerticalLayout  gap = "10" verticalAlign = "middle" 
                  horizontalAlign = "center" />
            </s:layout>			
            
            <mx:Image id = "imageFlex" visible = "{false}" 
               source = "https://tutorialspoint.com/images/flex-mini.png" 
               showEffect = "{wipeRight}" />
            
            <s:Button id = "btnWipeRight" label = "Wipe Right" 
               click = "btnWipeRight_clickHandler(event)" />            
          </s:Panel>
       </s:VGroup>	 
    </s:BorderContainer>	
</s:Application>

准备好所有更改后，让我们像在Flex - 创建应用程序一章中一样，在普通模式下编译并运行应用程序。如果您的应用程序一切正常，它将产生以下结果：[ 在线试用 ]