我创建了一个数据网格，并在数据网格外部创建了一些文本框和提交按钮..如果我们在文本框中输入了一些数据，然后单击提交按钮，数据存储到数据网格中..我要导出来自数据网格的这些数据将导出到excel中。如何创建excel工作表以及它如何与我的数据网格连接？ 我的代码如下：
<?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" creationComplete="application1_creationCompleteHandler(event)">
<fx:Declarations>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import com.as3xls.xls.Sheet;
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.effects.easing.Exponential;
import mx.events.FlexEvent;
[Bindable]
public var dgItems_client:ArrayCollection = new ArrayCollection();
public var dgItems_admin:ArrayCollection = new ArrayCollection();
public var temp_client:Object = new Object();
public var temp_admin:Object = new Object();
private var fileRef:FileReference=new FileReference;
private var sheet:Sheet;
// public var imagegrid:Image;
private function tabChange():void
{
errorAdmin.visible=false;
errorClient.visible=false;
if(gh.selectedChild.name=='clientTab')
{
details.dataProvider=dgItems_client;
arrayName.headerText="Client_Name";
}
else
{
details.dataProvider=dgItems_admin;
arrayName.headerText="Admin_Name";
}
}
private function submitClick():void
{
if(name_client.text!="" && address_client.text!="" && phone_client.text!="")
{
temp_client = ({Name:name_client.text, Address:address_client.text,Phone_Number:phone_client.text});
dgItems_client.addItem(temp_client);
name_client.text="";
address_client.text="";
phone_client.text="";
clientClick();
errorClient.visible=false;
}
else
{
errorClient.visible=true;
}
if(name_admin.text!=""&&address_admin.text!=""&&phone_admin.text!="")
{
temp_admin = ({Name:name_admin.text, Address:address_admin.text,Phone_Number:phone_admin.text});
dgItems_admin.addItem(temp_admin);
name_admin.text="";
address_admin.text="";
phone_admin.text="";
errorAdmin.visible=false;
}
else
{
errorAdmin.visible=true;
}
}
private function clientClick():void
{
details.dataProvider=dgItems_client;
arrayName.headerText="Client_Name";
}
private function adminClick():void
{
details.dataProvider=dgItems_admin;
arrayName.headerText="Admin_Name";
}
protected function application1_creationCompleteHandler(event:FlexEvent):void
{
fileRef.addEventListener(Event.SELECT,fileSelected);
}
private function fileSelected():void
{
}
private function executeExport():void
{
sheet=new Sheet;
// var dataProviderCollection:ArrayCollection;
var rowCount:int=details.columnsLength;
Alert.show(rowCount.toString());
}
]]>
</fx:Script>
<mx:TabNavigator x="27" y="11" width="455" height="376" id="gh" change="tabChange()" backgroundColor="#A4B6E9">
<s:NavigatorContent width="100%" height="100%" label="Client" id="clientTab">
<s:Label x="10" y="30" width="52" height="25" text="Name:"/>
<s:Label x="10" y="127" width="52" height="28" text="Address:"/>
<s:TextInput id="name_client" x="69" y="18" width="188" height="37" restrict="a-zA-Z"/>
<s:TextArea id="address_client" x="70" y="70" height="126"/>
<s:Label x="10" y="230" width="84" height="32" text="Phone:"/>
<s:TextInput id="phone_client" x="70" y="218" width="188" height="30" restrict="0-9" maxChars="10"/>
<s:Button x="100" y="291" height="28" label="Submit" click="submitClick()"/>
<s:Label id="errorClient" x="59" y="270" width="171" height="27" text="please fill the blank fields" color="red" visible="false"/>
</s:NavigatorContent>
<s:NavigatorContent width="100%" height="100%" label="Admin" id="adminTab" >
<s:Label x="23" y="48" width="52" height="25" text="Name:"/>
<s:Label x="26" y="148" width="52" height="28" text="Address:"/>
<s:TextInput id="name_admin" x="105" y="33" width="188" height="37"/>
<s:TextArea id="address_admin" x="105" y="93" height="126"/>
<s:Label x="26" y="257" width="84" height="32" text="Phone:"/>
<s:TextInput id="phone_admin" x="104" y="246" width="188" height="30" restrict="0-9" maxChars="10"/>
<s:Button x="137" y="305" height="28" label="Submit" click="submitClick()"/>
<s:Label id="errorAdmin" x="100" y="286" width="171" height="17" color="red" fontSize="14"
text="please fill the blank fields" visible="false"/>
<s:Button x="335" y="60" height="34" label="Admin Details" click="adminClick()"/>
<s:Button x="335" y="180" height="34" label="Client Details" click="clientClick()"/>
</s:NavigatorContent>
</mx:TabNavigator>
<s:TitleWindow x="521" y="84" width="377" height="234">
<s:DataGrid x="0" y="0" width="375" height="163" borderVisible="true" id="details">
<s:columns>
<s:ArrayList>
<s:GridColumn dataField="Name" id="arrayName"></s:GridColumn>
<s:GridColumn dataField="Address" headerText="Address"></s:GridColumn>
<s:GridColumn dataField="Phone_Number" headerText="Phone_Number"></s:GridColumn>
</s:ArrayList>
</s:columns>
</s:DataGrid>
<s:Button x="139" y="167" height="28" label="Export" click="executeExport()"/>
</s:TitleWindow>
</s:Application>
答案 0 :(得分：0)
确定... 您可以尝试以下代码： -
<?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>
<!-- Place non-visual elements (e.g., services, value objects) here -->
</fx:Declarations>
<fx:Script>
<![CDATA[
import com.as3xls.xls.Sheet;
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.effects.easing.Exponential;
import mx.events.FlexEvent;
[Bindable]
public var dgItems_client:ArrayCollection = new ArrayCollection();
public var dgItems_admin:ArrayCollection = new ArrayCollection();
public var temp_client:Object = new Object();
public var temp_admin:Object = new Object();
private function tabChange():void
{
errorAdmin.visible=false;
errorClient.visible=false;
if(gh.selectedChild.name=='clientTab')
{
details.dataProvider=dgItems_client;
arrayName.headerText="Client_Name";
}
else
{
details.dataProvider=dgItems_admin;
arrayName.headerText="Admin_Name";
}
}
private function submitClick():void
{
if(gh.selectedIndex == 0)
{
if(name_client.text!="" && address_client.text!="" && phone_client.text!="")
{
temp_client = ({Name:name_client.text, Address:address_client.text,Phone_Number:phone_client.text});
dgItems_client.addItem(temp_client);
name_client.text="";
address_client.text="";
phone_client.text="";
clientClick();
errorClient.visible=false;
}
else
{
errorClient.visible=true;
}
}else
{
if(name_admin.text!="" && address_admin.text!="" && phone_admin.text!="")
{
temp_admin = ({Name:name_admin.text, Address:address_admin.text,Phone_Number:phone_admin.text});
dgItems_admin.addItem(temp_admin);
name_admin.text="";
address_admin.text="";
phone_admin.text="";
errorAdmin.visible=false;
}
else
{
errorAdmin.visible=true;
}
}
}
private function clientClick():void
{
details.dataProvider=dgItems_client;
arrayName.headerText="Client_Name";
}
private function adminClick():void
{
details.dataProvider=dgItems_admin;
arrayName.headerText="Admin_Name";
}
private function executeExport():void
{
ExcelExporterUtil.dataGridExporter(this.details, "prueba_excel.xls");
}
]]>
</fx:Script>
<mx:TabNavigator x="27" y="11" width="455" height="376" id="gh" change="tabChange()" backgroundColor="#A4B6E9">
<s:NavigatorContent width="100%" height="100%" label="Client" id="clientTab">
<s:Label x="10" y="30" width="52" height="25" text="Name:"/>
<s:Label x="10" y="127" width="52" height="28" text="Address:"/>
<s:TextInput id="name_client" x="69" y="18" width="188" height="37" restrict="a-zA-Z"/>
<s:TextArea id="address_client" x="70" y="70" height="126"/>
<s:Label x="10" y="230" width="84" height="32" text="Phone:"/>
<s:TextInput id="phone_client" x="70" y="218" width="188" height="30" restrict="0-9" maxChars="10"/>
<s:Button x="100" y="291" height="28" label="Submit" click="submitClick()"/>
<s:Label id="errorClient" x="59" y="270" width="171" height="27" text="please fill the blank fields" color="red" visible="false"/>
</s:NavigatorContent>
<s:NavigatorContent width="100%" height="100%" label="Admin" id="adminTab" >
<s:Label x="23" y="48" width="52" height="25" text="Name:"/>
<s:Label x="26" y="148" width="52" height="28" text="Address:"/>
<s:TextInput id="name_admin" x="105" y="33" width="188" height="37"/>
<s:TextArea id="address_admin" x="105" y="93" height="126"/>
<s:Label x="26" y="257" width="84" height="32" text="Phone:"/>
<s:TextInput id="phone_admin" x="104" y="246" width="188" height="30" restrict="0-9" maxChars="10"/>
<s:Button x="137" y="305" height="28" label="Submit" click="submitClick()"/>
<s:Label id="errorAdmin" x="100" y="286" width="171" height="17" color="red" fontSize="14"
text="please fill the blank fields" visible="false"/>
<s:Button x="335" y="60" height="34" label="Admin Details" click="adminClick()"/>
<s:Button x="335" y="180" height="34" label="Client Details" click="clientClick()"/>
</s:NavigatorContent>
</mx:TabNavigator>
<s:TitleWindow x="521" y="84" width="377" height="234">
<mx:DataGrid x="0" y="0" width="375" height="163" borderVisible="true" id="details">
<mx:columns>
<mx:DataGridColumn dataField="Name" id="arrayName"></mx:DataGridColumn>
<mx:DataGridColumn dataField="Address" headerText="Address"></mx:DataGridColumn>
<mx:DataGridColumn dataField="Phone_Number" headerText="Phone_Number"></mx:DataGridColumn>
</mx:columns>
</mx:DataGrid>
<s:Button x="139" y="167" height="28" label="Export" click="executeExport()"/>
</s:TitleWindow>
</s:Application>
<强> ExcelExporterUtil.as
package
{
import com.as3xls.xls.ExcelFile;
import com.as3xls.xls.Sheet;
import flash.errors.IllegalOperationError;
import flash.net.FileReference;
import flash.utils.ByteArray;
import mx.collections.ArrayCollection;
import mx.collections.ICollectionView;
import mx.collections.IViewCursor;
import mx.collections.XMLListCollection;
import mx.controls.DataGrid;
public class ExcelExporterUtil
{
public function ExcelExporterUtil()
{
throw new IllegalOperationError("Class \"ExcelExporterUtil\" is static. You can't instance this");
}
static public function dataGridExporter(dg:DataGrid, defaultName:String):void
{
if (dg == null || dg.dataProvider == null || defaultName == null || defaultName == "")
return;
var cols:Number = 0;
var colsValues:Array = [];
var cantCols:Number = dg.columnCount;
var fieldT:String;
var headerT:String;
// armo el listado de headers y variables para cada columna
for ( ; cols < cantCols; cols++)
{
headerT = (dg.columns[cols] as Object).headerText
fieldT = (dg.columns[cols] as Object).dataField;
if ( fieldT == null || fieldT == "" || headerT == null || headerT == "")
continue;
colsValues.push({
header:headerT,
value:fieldT
});
}
if ( colsValues.length == 0 )
return;
ExcelExporterUtil.export(dg.dataProvider, colsValues, defaultName);
}
static public function chartExporter(chart:ByteArray, defautlName:String):void
{
if(chart)
{
var sheet:Sheet = new Sheet();
sheet.resize(1, 1);
sheet.setCell(0, 0, "Chart Data");
sheet.setCell(0,0,chart);
var xls:ExcelFile = new ExcelFile();
xls.sheets.addItem(sheet);
var bytes:ByteArray = xls.saveToByteArray();
var fr:FileReference = new FileReference();
fr.save(bytes, defautlName);
}
}
static public function export(obj:Object, colsValues:Array, defautlName:String):void
{
var _dp:ICollectionView = ExcelExporterUtil.getDataProviderCollection(obj);
if ( _dp == null )
return;
var rows:Number = 0;
var cols:Number = 0;
var cantCols:Number = colsValues.length;
var sheet:Sheet = new Sheet();
sheet.resize(_dp.length, colsValues.length);
for ( ; cols < cantCols; cols++)
{
sheet.setCell(rows, cols, colsValues[cols].header);
}
cols = 0;
rows++;
var cursor:IViewCursor = _dp.createCursor();
while ( !cursor.afterLast )
{
for (cols = 0 ; cols < cantCols; cols++)
{
if ( (cursor.current as Object).hasOwnProperty(colsValues[cols].value) )
sheet.setCell(rows, cols, (cursor.current as Object));
}
rows++;
cursor.moveNext();
}
var xls:ExcelFile = new ExcelFile();
xls.sheets.addItem(sheet);
var bytes:ByteArray = xls.saveToByteArray();
var fr:FileReference = new FileReference();
fr.save(bytes, defautlName);
}
static private function getDataProviderCollection(obj:Object):ICollectionView
{
if ( (obj is Number && isNaN(obj as Number)) || (!(obj is Number) && obj == null))
{
return null;
}
else if ( obj is ICollectionView )
{
return obj as ICollectionView;
}
else if ( obj is Array )
{
return new ArrayCollection(obj as Array);
}
else if ( obj is XMLList )
{
return new XMLListCollection(obj as XMLList);
}
else if ( obj is XML )
{
var col:XMLListCollection = new XMLListCollection();
col.addItem(obj);
return col;
}
else if ( obj is Object )
{
return new ArrayCollection([obj]);
}
else
{
return null;
}
}
}
}
希望可以帮助你.... 注意： - 我正在使用其中一篇文章的ExcelExporterUtil.as ..不是由我创建的..
或其他方式，可以参考下面的帖子： - http://cookbooks.adobe.com/post_Import_Export_data_in_out_of_a_Datagrid_in_Flex-17223.html