Flex导出Excel怎么做？要详细代码和说明。谢谢
如题。
[解决办法]
给你一个网上的例子，希望对你有帮助，不过里面的代码写的不太好，很乱。
/** * Simple script to convert a Datagrid to a HTML table and then * pass it on to an external excel exporter * */ //Libs that are mostly used //(only a number are necessary for the datagrid conversion and export)import flash.errors.*;import flash.events.*;import flash.external.*;import flash.net.URLRequest;import flash.net.URLVariables;/** * Convert the datagrid to a html table * Styling etc. can be done externally * * @param: dg Datagrid Contains the datagrid that needs to be converted * @returns: String */private function convertDGToHTMLTable(dg:DataGrid):String { //Set default values var font:String = dg.getStyle('fontFamily'); var size:String = dg.getStyle('fontSize'); var str:String = ''; var colors:String = ''; var style:String = 'style="font-family:'+font+';font-size:'+size+'pt;"'; var hcolor:Array; //Retrieve the headercolor if(dg.getStyle("headerColor") != undefined) { hcolor = [dg.getStyle("headerColor")]; } else { hcolor = dg.getStyle("headerColors"); } //Set the htmltabel based upon knowlegde from the datagrid str+= '<table width="'+dg.width+'" border="1"><thead><tr width="'+dg.width+'" style="background-color:#' +Number((hcolor[0])).toString(16)+'">'; //Set the tableheader data (retrieves information from the datagrid header for(var i:int = 0;i<dg.columns.length;i++) { colors = dg.getStyle("themeColor"); if(dg.columns[i].headerText != undefined) { str+="<th "+style+">"+dg.columns[i].headerText+"</th>"; } else { str+= "<th "+style+">"+dg.columns[i].dataField+"</th>"; } } str += "</tr></thead><tbody>"; colors = dg.getStyle("alternatingItemColors"); //Loop through the records in the dataprovider and //insert the column information into the table for(var j:int =0;j<dg.dataProvider.length;j++) { str+="<tr width=\""+Math.ceil(dg.width)+"\">"; for(var k:int=0; k < dg.columns.length; k++) { //Do we still have a valid item? if(dg.dataProvider.getItemAt(j) != undefined && dg.dataProvider.getItemAt(j) != null) { //Check to see if the user specified a labelfunction which we must //use instead of the dataField if(dg.columns[k].labelFunction != undefined) { str += "<td width=\""+Math.ceil(dg.columns[k].width)+"\" "+style+">"+dg.columns[k].labelFunction(dg.dataProvider.getItemAt(j),dg.columns[k].dataField)+"</td>"; } else { //Our dataprovider contains the real data //We need the column information (dataField) //to specify which key to use. str += "<td width=\""+Math.ceil(dg.columns[k].width)+"\" "+style+">"+dg.dataProvider.getItemAt(j)[dg.columns[k].dataField]+"</td>"; } } } str += "</tr>"; } str+="</tbody></table>"; return str;}/** * Load a specific datagrid into Excel * This method passes the htmltable string to an backend script which then * offers the excel download to the user. * The reason for not using a copy to clipboard and then javascript to * insert it into Excel is that this mostly will fail because of the user * setup (Webbrowser configuration). * * @params: dg Datagrid The Datagrid that will be loaded into Excel * @params: url String The location of the excel export file */private function loadDGInExcel(dg:DataGrid,url:String):void { //Pass the htmltable in a variable so that it can be delivered //to the backend script var variables:URLVariables = new URLVariables(); variables.htmltable = convertDGToHTMLTable(dg); //Setup a new request and make sure that we are //sending the data through a post var u:URLRequest = new URLRequest(url); u.data = variables; //Pass the variables u.method = URLRequestMethod.POST; //Don't forget that we need to send as POST //Navigate to the script //We can use _self here, since the script will through a filedownload header //which results in offering a download to the user (and still remaining in you Flex app.) navigateToURL(u,"_self");}