卸载rpm版的jdk：

   #rpm -qa|grep jdk 

   显示：jdk-1.6.0_10-fcs
   卸载：#rpm -e  --nodeps  jdk-1.6.0_10-fcs 
安装rpm版的jdk：
   rpm -i example.rpm 安装 example.rpm 包；

   rpm -iv example.rpm 安装 example.rpm 包并在安装过程中显示正在安装的文件信息；

   rpm -ivh example.rpm 安装 example.rpm 包并在安装过程中显示正在安装的文件信息及安装进度；

环境参数配置：
   vi /etc/profile
   末尾添加：
      export JAVA_HOME=/usr/java/jdk1.7.0_79

     export PATH=$PATH:$JAVA_HOME/bin
  source /etc/profile 立即生效



   

<?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" minWidth="955" minHeight="600">
	<fx:Declarations>
		<!-- 将非可视元素（例如服务、值对象）放在此处 -->
	</fx:Declarations>
	
	<fx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			//绑定表格用的数据	
			[Bindable]
			private var arr:ArrayCollection = new ArrayCollection([
				{neName:"教工路文一路路口相机_4", neType:"相机" , neAlarmType:"设备告警" , removeStatus:"未清除" , confirmStatus:"未确认" , neAlarmGrade:"2级"},
				{neName:"学院路文一路路口相机_3", neType:"相机" , neAlarmType:"环境告警" , removeStatus:"未清除" , confirmStatus:"未确认" , neAlarmGrade:"3级"},
				{neName:"文一路莫干山路路口相机_1", neType:"相机" , neAlarmType:"连接通信告警" , removeStatus:"未清除" , confirmStatus:"未确认" , neAlarmGrade:"1级"},
				{neName:"文一路莫干山路路口相机_3", neType:"相机" ,  neAlarmType:"性能告警" , removeStatus:"未清除" , confirmStatus:"未确认" , neAlarmGrade:"4级"}
			]);	
			
			//删除告警信息
			public function deleteAlarmRecord():void{
				arr.removeItemAt(alarmGrid.selectedIndex);
			}
			//确认告警信息
			public function confirmAlarmInfo():void{
				arr.getItemAt(alarmGrid.selectedIndex).confirmStatus = "已确认";
				alarmGrid.dataProvider = arr;
			}
		]]>
	</fx:Script>
	
	<s:DataGrid id="alarmGrid" width="600" height="285" requestedRowCount="4" dataProvider="{arr}" skinClass="view.datagrid">
		<s:columns>
			<s:ArrayList>
				<s:GridColumn dataField="neName" headerText="名称"></s:GridColumn>
				<s:GridColumn dataField="neType" headerText="类型"></s:GridColumn>
				<s:GridColumn dataField="removeStatus" headerText="清除状态"></s:GridColumn>
				<s:GridColumn dataField="confirmStatus" headerText="确认状态"></s:GridColumn>
				<s:GridColumn headerText="操作">
					<s:itemRenderer>
						<fx:Component>
							<s:GridItemRenderer>
								<s:HGroup> 
									<mx:LinkButton toolTip="清除" label="清除" click="outerDocument.deleteAlarmRecord();" textDecoration="underline" color="#2066CF" fontWeight="normal"/> 
									<mx:LinkButton toolTip="确认" label="确认" click="outerDocument.confirmAlarmInfo()" textDecoration="underline" color="#2066CF" fontWeight="normal"/> 
								</s:HGroup>
							</s:GridItemRenderer>
						</fx:Component>
					</s:itemRenderer>
				</s:GridColumn>
			</s:ArrayList>
		</s:columns>
	</s:DataGrid>
	
</s:Application>