flex 读取excel文件的方法

 

xmlns:s="library://ns.adobe.com/flex/spark"

xmlns:mx="library://ns.adobe.com/flex/mx"

>

import com.as3xls.xls.ExcelFile;

import com.as3xls.xls.Sheet;

import mx.collections.ArrayCollection;

import mx.controls.Alert;

import mx.controls.Image;

import mx.core.IVisualElement;

private var file:FileReference;

private var xls:ExcelFile;

var dp:ArrayCollection = new ArrayCollection;

/**

* 点击文件选择弹出框

* */

private function upload():void{

file = new FileReference();

file.addEventListener(Event.SELECT, file_select);

file.addEventListener(Event.COMPLETE,

file_complete);

file.addEventListener(ProgressEvent.PROGRESS,

file_progress);

file.browse();

}

/**

* 选择了excel之后

* */

private function file_select (e:Event):void {

if (file.size > 0) {

file.load();

}

}

/**

* excel加载完毕

* */

private function file_complete (e:Event):void {

xls = new ExcelFile();

try{

xls.loadFromByteArray(e.target.data);

}catch(eofe:EOFError){

trace(eofe);

}

var sheet:Sheet = xls.sheets[0];

//sheet.rows

dp = sheet.values;

dp.removeItemAt(sheet.rows);

dg.dataProvider = dp;

}

/**

* 进度条控制

* */

private function file_progress (e:ProgressEvent):void {

progressBar.label = Math.round(100 *

e.bytesLoaded / e.bytesTotal) + "%";

progressBar.setProgress(Math.round(100 *

e.bytesLoaded / e.bytesTotal), 100);

}

/**

* 获取表格数据

* */

protected function gainDgData(event:MouseEvent):void

{

var s:String = "";

var shuju:ArrayCollection = dg.dataProvider as ArrayCollection;

//行数：shuju.source.length-1 范围：0 到 shuju.source.length-2

for(var i:uint = 0 ; i < shuju.source.length-1 ; i++){ //一行一行（一条记录一条记录）的遍历

//每一行的列数为shuju[i]

//s += shuju[i][0].value;

}

//var t1 = shuju.source.length;

}

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