<?xml version="1.0" encoding="utf-8"?>
<mx:HBox xmlns:fx="http://ns.adobe.com/mxml/2009" 
		 xmlns:s="library://ns.adobe.com/flex/spark" 
		 xmlns:mx="library://ns.adobe.com/flex/mx"
		 creationComplete="initHandler(event)"
		 width="100%" height="300" backgroundColor="0xffffff">
	<fx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.controls.Alert;
			import mx.controls.DataGrid;
			import mx.events.FlexEvent;
			import mx.rpc.events.FaultEvent;
			import mx.rpc.events.ResultEvent;
			import mx.rpc.remoting.RemoteObject;
			
			[Bindable]
			//记录数
			private var items:ArrayCollection;
			
			[Bindable]
			//分页参数
			private var params:Array = new Array();
			
			[Bindable]
			//每页显示的条数
			private var pageSizeBoxListData:ArrayCollection = new ArrayCollection([
				{pageSize:10},
				{pageSize:20},
				{pageSize:30},
				{pageSize:50},
				{pageSize:100}
			]);
			
			[Bindable]
			//每页显示的记录数
			public var pageSize:int = 10;
			
			[Bindable]
			//当前页
			public var curPage:int = 1;
			
			[Bindable]
			//下一页到多少记录数
			public var offSet:int = 1;
			
			[Bindable]
			//总页数
			public var totalPage:int = 0;
			
			[Bindable]
			//总记录数
			public var totalCount:int = 263;
			
			public var destination:String;
			
			public var methodName:String;
			
			[Bindable]
			//组件宽度
			public var widthTo:int;
			
			[Bindable]
			//服务请求地址
			public var url:String;
			
			[Bindable]
			//datagrid
			public var datagrid:DataGrid;
			
			/**
			 * 
			 */
			protected function progressBarClickHandler(event:MouseEvent):void
			{
				var bc:HBox = HBox(event.target);
				widthTo = event.localX;
				progressBarEffect.target = progressBarPagerBlue;
				progressBarEffect.play();
			}
			
			/**
			 * 
			 */
			private function getMinimum():int
			{
				if(totalCount < 1)
				{
					return 0;
				}
				else
				{
					return 1;
				}
			}
			
			/**
			 * 
			 */
			protected function pageFirstClickHandler(event:MouseEvent):void
			{
				curPage = getMinimum();
				getBtnEnabled();
				pagingRemoteObject();
			}
			
			/**
			 * 上一页
			 */
			protected function pagePrevClickHandler(event:MouseEvent):void
			{
				var tempNum:int = getMinimum();
				curPage = curPage - 1;
				getBtnEnabled();
				pagingRemoteObject();
			}
			
			/**
			 * 跳转到指定页
			 */
			protected function pageStepperClickHandler(event:MouseEvent):void
			{
				curPage = pageStepper.value;
			}
			
			/**
			 * 下一页
			 */
			protected function pageNextClickHandler(event:MouseEvent):void
			{
				if(curPage < totalPage)
				{
					curPage = curPage + 1;
				}
				getBtnEnabled();
				pagingRemoteObject();
			}
			
			/**
			 * 最后一页
			 */
			protected function pageLastClickHandler(event:MouseEvent):void
			{
				curPage = totalPage;
				getBtnEnabled();
				pagingRemoteObject();
			}
			
			/**
			 * 刷新当前页
			 */
			protected function pageRefreshClickHandler(event:MouseEvent):void
			{
				totalPage = getTotalPageNum();
				pagingRemoteObject();
			}

			/**
			 * 初始化函数
			 */
			protected function initHandler(event:FlexEvent):void
			{
				totalPage = getTotalPageNum();
			}
			
			/**
			 * 设置每页显示多少条记录
			 */
			protected function pageSizeComboboxChangeHandler(event:MouseEvent):void
			{
				var obj:Object = pageSizeCombobox.selectedItem;
				pageSize = obj.pageSize;
				trace(url,"",pageSize);
			}
			
			/**
			 * 获取总页数
			 */
			private function getBtnEnabled():void
			{
				if(totalPage < 1)
				{
					pageFirstBtn.enabled = false;
					pagePreBtn.enabled = false;
					pageNextBtn.enabled = false;
					pageLastBtn.enabled = false;
					pageRefreshBtn.enabled = false;
				}
				else if(curPage == 1)
				{
					pageFirstBtn.enabled = false;
					pagePreBtn.enabled = false;
					pageNextBtn.enabled = true;
					pageLastBtn.enabled = true;
					pageRefreshBtn.enabled = true;
				}
				else if(curPage < totalPage && curPage > 1)
				{
					pageFirstBtn.enabled = true;
					pagePreBtn.enabled = true;
					pageNextBtn.enabled = true;
					pageLastBtn.enabled = true;
					pageRefreshBtn.enabled = true;
				}
				else if(curPage == totalPage)
				{
					pageFirstBtn.enabled = true;
					pagePreBtn.enabled = true;
					pageNextBtn.enabled = false;
					pageLastBtn.enabled = false;
					pageRefreshBtn.enabled = true;
				}
			}
			
			/**
			 * 服务请求成功的处理
			 */
			private function serviceSuccessResult(event:ResultEvent):void
			{
				totalCount = event.result.totalCounts;
				items = event.result.entityList as ArrayCollection;
				trace(url,"",items);
			}
			
			/**
			 * 服务请求失败的处理
			 */
			private function httpServiceFault(event:FaultEvent):void
			{
				Alert.show(event.fault.message,"服务请求失败");
			}
			
			/**
			 * 发送服务请求
			 */
			private function pagingRemoteObject():void
			{
				var remote:RemoteObject = new RemoteObject(destination);
				offSet = (curPage - 1)*pageSize;
				remote.getOperation(methodName).send(pageSize,offSet);
				remote.addEventListener(ResultEvent.RESULT,serviceSuccessResult);
				remote.addEventListener(FaultEvent.FAULT,httpServiceFault);
			}
			
			/**
			 * 
			 */
			private function loadingDatagrid():void
			{
				
			}

		]]>
	</fx:Script>
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	
	<mx:HBox width="30%" height="100%" verticalAlign="middle">
		<mx:LinkButton styleName="pageFirstBtn" id="pageFirstBtn" enabled="false" 
					   click="pageFirstClickHandler(event)"/>
		<mx:LinkButton styleName="pagePreBtn" id="pagePreBtn" enabled="false" 
					   click="pagePrevClickHandler(event)"/>
		<mx:LinkButton styleName="pageNextBtn" id="pageNextBtn" enabled="false" 
					   click="pageNextClickHandler(event)"/>
		<mx:LinkButton styleName="pageLastBtn" id="pageLastBtn" enabled="false" 
					   click="pageLastClickHandler(event)"/>
	</mx:HBox>
	
	<mx:HBox width="40%" height="100%" verticalAlign="middle">
		<s:Label text="Page"/>
		<s:NumericStepper id="pageStepper" width="78" click="pageStepperClickHandler(event)"
						  maximum="{totalPage}" minimum="{getMinimum()}" value=http://www.mamicode.com/"{curPage}"/>>

Flex真真的分页,一个页面支持多次复用