Flex - DateChooser 控件

DateChooser 控件用于显示月份名称、年份和月份天数网格，其中的列标有星期几。

DateChooser 控件允许用户选择一个日期、一个日期范围或多个日期。该控件包含用于更改月份和年份的前进和后退箭头按钮。

类声明

以下是 mx.controls.DateChooser 类的声明 −

public class DateChooser 
   extends UIComponent 
      implements IFocusManagerComponent, IFontContextComponent

公共属性

受保护的属性

公共方法

事件

继承的方法

此类从以下类继承方法 −

• mx.core.UIComponent
• mx.core.FlexSprite
• flash.display.Sprite
• flash.display.DisplayObjectContainer
• flash.display.InteractiveObject
• flash.display.DisplayObject
• flash.events.EventDispatcher
• Object

Flex DateChooser 控件示例

让我们按照以下步骤通过创建测试应用程序 − 来检查 Flex 应用程序中 DateChooser 控件的使用情况 −

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"
   applicationComplete = "application_applicationCompleteHandler(event)">

   <fx:Style source = "/com/tutorialspoint/client/Style.css" />
   <fx:Script>
      <![CDATA[
         import mx.events.CalendarLayoutChangeEvent;
         import mx.events.FlexEvent;

         [Bindable]
         private var selectedDate:String = "";
         protected function dateChooser_changeHandler
            event:CalendarLayoutChangeEvent):void {            
            var date:Date = DateChooser(event.target).selectedDate;
            selectedDate = dateFormatter.format(date);
         }
			
         protected function application_applicationCompleteHandler
            (event:FlexEvent):void {
            selectedDate = dateFormatter.format(new Date());
         }
      ]]>
   </fx:Script>
   
   <s:BorderContainer width = "550" height = "400" id = "mainContainer" 
      styleName = "container">
      <s:VGroup width = "100%" height = "100%" gap = "50" 
         horizontalAlign = "center" verticalAlign = "middle">
         <s:Label id = "lblHeader" text = "Form Controls Demonstration" 
            fontSize = "40" color = "0x777777" styleName = "heading" />
         
         <s:Panel id = "dateChooserPanel" title = "Using DateChooser" width = "400" 
            height = "300" includeInLayout = "true" visible = "true">
            <s:layout>
               <s:HorizontalLayout  gap = "10" verticalAlign = "middle" 
                  horizontalAlign = "center" />	
            </s:layout>
            
            <mx:DateChooser id = "dateChooser" yearNavigationEnabled = "true"
               change = "dateChooser_changeHandler(event)" />
            <s:Label id = "selection" fontWeight = "bold" 
               text = "Date selected: {selectedDate}" />
         </s:Panel>			
      </s:VGroup>	 
   </s:BorderContainer>	
</s:Application>

完成所有更改后，让我们像在 Flex - 创建应用程序 一章中一样，以正常模式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 ]

flex_form_controls.html