FLEX实践—XML、XMLList、XMLListCollection、ArrayCollection关系转换

在本实例中将从一个XML对象通过层层转换最终变为ArrayCollection对象

 

 

<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"layout="absolute"creationComplete="init()"><mx:Script><!--[CDATA[import mx.collections.XMLListCollection;import mx.collections.ArrayCollection;import mx.controls.Alert;public var myData:XML=<tables><table><name>TRP_USERS</name><statement>CREATE TABLE IF NOT EXISTS TRP_USERS (USER_ID INTEGER PRIMARY KEY AUTOINCREMENT,USER_NAME TEXT,PASSWORD TEXT,CREATION_DATE DATE)</statement></table><table><name>TRP_PROJECTS</name><statement>CREATE TABLE IF NOT EXISTS TRP_EMPLOYEE_PROJECTS (EMPLOYEE_PROJECT_ID INTEGER PRIMARY KEY AUTOINCREMENT,USER_ID INTEGER,EMPLOYEE_NUMBER TEXT,LEVEL_CODE TEXT,PROJECT_NAME TEXT,PROJECT_MANAGER TEXT,START_DATE DATE,SCHEDULE_END_DATE DATE,TECH_DIRECTOR_NAME TEXT,TECH_LEADER_NAME TEXT,TWO_WEEK_OUT TEXT,MEMO TEXT,UPLOAD_FLAG TEXT,CREATION_DATE DATE)</statement></table></tables>;private var xmlList:XMLList=new XMLList();private var xmlListCollection:XMLListCollection=new XMLListCollection();private var provider:ArrayCollection;private function init():void{xmlList=myData.elements("table");xmlListCollection.source=xmlList;provider=new ArrayCollection(xmlListCollection.toArray());grid.dataProvider=provider;}]]--></mx:Script><mx:DataGrid x="221" y="65" width="742" height="294" id="grid"><mx:columns><mx:DataGridColumn headerText="Name" dataField="name"/><mx:DataGridColumn headerText="Sql" dataField="statement"/></mx:columns></mx:DataGrid></mx:Application>

运行结果：