flex導(dǎo)出excel具體實現(xiàn)

?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">
fx:Script>
![CDATA[
import com.as3xls.xls.ExcelFile;
import com.as3xls.xls.Sheet;

import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.controls.CheckBox;

[Bindable]
private var dp:Array = [
{studentID:1,name:"2ssdl",gender:"為001",birthday:"4區(qū)",className:"5清道夫卻無法"},
{studentID:2,name:"2士大",gender:"1色調(diào)",birthday:"4卻",className:"5為去去"},
{studentID:3,name:"2訪問",gender:"1色調(diào)",birthday:"飛4",className:"訪問5"},
{studentID:4,name:"訪問2",gender:"0色調(diào)",birthday:"4卻",className:"為5"},
{studentID:5,name:"2各位",gender:"0色調(diào)",birthday:"4飛",className:"5為"}];

private function onCreate(dg:DataGrid):void
{
var rowCount:int = dg.dataProvider.length;
var colCount:int = dg.columnCount;
var sheet:Sheet = new Sheet();
sheet.resize(rowCount+1,colCount); //設(shè)置表格的范圍
var fields:Array = new Array();//用來保存字段
for(var i:int=0; i colCount;i++)
{
sheet.setCell(0,i,dg.columns[i].headerText.toString());//表格第0行設(shè)置字段名
fields.push(dg.columns[i].dataField.toString());
}
for(var i:int=0; i rowCount;i++)
{
var record:Object =dg.dataProvider[i];//獲取某行
insertRecordInSheet(i+1,sheet,record);
}
var excelFile:ExcelFile = new ExcelFile();//新建excel文件
excelFile.sheets.addItem(sheet);//把表格添加入excel文件中
var mbytes:ByteArray = excelFile.saveToByteArray();
var file:FileReference = new FileReference();
file.save(mbytes,"測試文件.xls"); // 定死文件名
file.addEventListener(Event.COMPLETE, function (){
Alert.show("保存成功");
});
/**回調(diào)函數(shù)**/
function insertRecordInSheet(row:int,sheet:Sheet,record:Object):void
{
for(var c:int; c colCount; c++)
{
var i:int = 0;
for each(var field:String in fields)
{
for each (var value:String in record)
{
/**循環(huán)判斷myDg列名域值record[field]與value是否相等**/
if (record[field].toString() == value)
/**寫入表格中**/
sheet.setCell(row,i,value);
}
i++;
}
}
}
}
]]>
/fx:Script>
fx:Declarations>
!-- 將非可視元素（例如服務(wù)、值對象）放在此處 -->
/fx:Declarations>
mx:Panel>
mx:Button label="導(dǎo)出" click="onCreate(myDG)"/>
mx:DataGrid id="myDG" width="100%" rowCount="20" dataProvider="{dp}">
mx:columns>
mx:DataGridColumn headerText="學號" dataField="studentID"/>
mx:DataGridColumn headerText="姓名" dataField="name"/>
mx:DataGridColumn headerText="性別" dataField="gender" width="50"/>
mx:DataGridColumn headerText="生日" dataField="birthday" />
mx:DataGridColumn headerText="班級" dataField="className"/>
/mx:columns>
/mx:DataGrid>
/mx:Panel>
/s:Application>