Flex前端+Java后台，要将Flex界面中AdvancedDataGrid的数据导出成Excel文件。有2种方法：
1.直接在前台导出。
使用开源项目as3xls，下载个解决了中文乱码的as3xlsUTF8.swc包，加到Flex工程的引用库中。
AS代码，点击“导出Excel”按钮后的函数：
Java代码 复制代码 收藏代码
var sheet:Sheet = new Sheet();
private function export2ExcelHandel(e:MouseEvent):void
{
//在前台生成Excel
var excelFile:ExcelFile=new ExcelFile();
var arr:ArrayCollection=myTable.dataProvider as ArrayCollection;
for(var i:int=0; i<arr.length; i++)
{
var obj:Object=arr[i];
var j:int=0;
for(var key:String in obj)
{
excelFile.sheets.addItem(generateSheet(0,j,key));
excelFile.sheets.addItem(generateSheet(i,j,obj[key]));
j++;
}
}
var mbytes:ByteArray=excelFile.saveToByteArray();
var file:FileReference=new FileReference();
file.save(mbytes,"测试文件.xls");
}
function generateSheet(i:int,j:int,o:Object):Sheet{
if(!sheet){
sheet = new Sheet();
sheet.resize(10,10);
}
sheet.setCell(i, j, String(o));
return sheet;
}
Java代码 收藏代码
var sheet:Sheet = new Sheet();
private function export2ExcelHandel(e:MouseEvent):void
{
//在前台生成Excel
var excelFile:ExcelFile=new ExcelFile();
var arr:ArrayCollection=myTable.dataProvider as ArrayCollection;
for(var i:int=0; i<arr.length; i++)
{
var obj:Object=arr[i];
var j:int=0;
for(var key:String in obj)
{
excelFile.sheets.addItem(generateSheet(0,j,key));
excelFile.sheets.addItem(generateSheet(i,j,obj[key]));
j++;
}
}
var mbytes:ByteArray=excelFile.saveToByteArray();
var file:FileReference=new FileReference();
file.save(mbytes,"测试文件.xls");
}
function generateSheet(i:int,j:int,o:Object):Sheet{
if(!sheet){
sheet = new Sheet();
sheet.resize(10,10);
}
sheet.setCell(i, j, String(o));
return sheet;
}
FileReference的save方法在Flash10才支持，
在Flex工程上右键，属性，Flex Conpiler中把Require Flash Player version:填为10.0.0；在Flex Build Path中加入playerglobal.swc
，路径为…\sdks\3.2.0\frameworks\libs\player\10\playerglobal.swc
2.通过调JSP或Servlet导出。
AS代码：
Java代码 复制代码 收藏代码
public static function ToExcel(dg:AdvancedDataGrid,name:String)
{
//调用JSP
var url:String="http://localhost:8080/XXX/Export/ExcelExport.jsp";
var variables:URLVariables = new URLVariables();
variables.htmltable = convertDGToHTMLTable(dg);
var u:URLRequest = new URLRequest(url);
u.data = variables;
u.method = URLRequestMethod.POST;
navigateToURL(u,"_self");
}
private static function convertDGToHTMLTable(dg:AdvancedDataGrid):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");
}
str+= '<head><meta http-equiv="Content-Type" content="text/htm; charset=utf-8"></head><table width="'+dg.width+'" border="1"><thead><tr width="'+dg.width+'" style="background-color:#' +Number((hcolor[0])).toString(16)+'">';
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("alternatingRowColors");
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++) {
if(dg.dataProvider.getItemAt(j) != undefined && dg.dataProvider.getItemAt(j) != null) {
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 {
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;
}
Java代码 收藏代码
public static function ToExcel(dg:AdvancedDataGrid,name:String)
{
//调用JSP
var url:String="http://localhost:8080/XXX/Export/ExcelExport.jsp";
var variables:URLVariables = new URLVariables();
variables.htmltable = convertDGToHTMLTable(dg);
var u:URLRequest = new URLRequest(url);
u.data = variables;
u.method = URLRequestMethod.POST;
navigateToURL(u,"_self");
}
private static function convertDGToHTMLTable(dg:AdvancedDataGrid):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");
}
str+= '<head><meta http-equiv="Content-Type" content="text/htm; charset=utf-8"></head><table width="'+dg.width+'" border="1"><thead><tr width="'+dg.width+'" style="background-color:#' +Number((hcolor[0])).toString(16)+'">';
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("alternatingRowColors");
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++) {
if(dg.dataProvider.getItemAt(j) != undefined && dg.dataProvider.getItemAt(j) != null) {
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 {
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;
}
ExcelExport.jsp放在后台XXX工程的WebRoot下的Export文件夹中。
ExcelExport.jsp：
Java代码 复制代码 收藏代码
<%@ page language="java"%>
<%@ page contentType="application/msexcel;charset=UTF-8"
pageEncoding="UTF-8"%>
<%
request.setCharacterEncoding("UTF-8");
//String instr=request.getParameter("filename");
response.setHeader("Content-disposition","attachment; filename=excel.xls");
response.setCharacterEncoding("UTF-8");
String str = request.getParameter("htmltable");
out.print(str);
%>
1.直接在前台导出。
使用开源项目as3xls，下载个解决了中文乱码的as3xlsUTF8.swc包，加到Flex工程的引用库中。
AS代码，点击“导出Excel”按钮后的函数：
Java代码 复制代码 收藏代码
var sheet:Sheet = new Sheet();
private function export2ExcelHandel(e:MouseEvent):void
{
//在前台生成Excel
var excelFile:ExcelFile=new ExcelFile();
var arr:ArrayCollection=myTable.dataProvider as ArrayCollection;
for(var i:int=0; i<arr.length; i++)
{
var obj:Object=arr[i];
var j:int=0;
for(var key:String in obj)
{
excelFile.sheets.addItem(generateSheet(0,j,key));
excelFile.sheets.addItem(generateSheet(i,j,obj[key]));
j++;
}
}
var mbytes:ByteArray=excelFile.saveToByteArray();
var file:FileReference=new FileReference();
file.save(mbytes,"测试文件.xls");
}
function generateSheet(i:int,j:int,o:Object):Sheet{
if(!sheet){
sheet = new Sheet();
sheet.resize(10,10);
}
sheet.setCell(i, j, String(o));
return sheet;
}
Java代码 收藏代码
var sheet:Sheet = new Sheet();
private function export2ExcelHandel(e:MouseEvent):void
{
//在前台生成Excel
var excelFile:ExcelFile=new ExcelFile();
var arr:ArrayCollection=myTable.dataProvider as ArrayCollection;
for(var i:int=0; i<arr.length; i++)
{
var obj:Object=arr[i];
var j:int=0;
for(var key:String in obj)
{
excelFile.sheets.addItem(generateSheet(0,j,key));
excelFile.sheets.addItem(generateSheet(i,j,obj[key]));
j++;
}
}
var mbytes:ByteArray=excelFile.saveToByteArray();
var file:FileReference=new FileReference();
file.save(mbytes,"测试文件.xls");
}
function generateSheet(i:int,j:int,o:Object):Sheet{
if(!sheet){
sheet = new Sheet();
sheet.resize(10,10);
}
sheet.setCell(i, j, String(o));
return sheet;
}
FileReference的save方法在Flash10才支持，
在Flex工程上右键，属性，Flex Conpiler中把Require Flash Player version:填为10.0.0；在Flex Build Path中加入playerglobal.swc
，路径为…\sdks\3.2.0\frameworks\libs\player\10\playerglobal.swc
2.通过调JSP或Servlet导出。
AS代码：
Java代码 复制代码 收藏代码
public static function ToExcel(dg:AdvancedDataGrid,name:String)
{
//调用JSP
var url:String="http://localhost:8080/XXX/Export/ExcelExport.jsp";
var variables:URLVariables = new URLVariables();
variables.htmltable = convertDGToHTMLTable(dg);
var u:URLRequest = new URLRequest(url);
u.data = variables;
u.method = URLRequestMethod.POST;
navigateToURL(u,"_self");
}
private static function convertDGToHTMLTable(dg:AdvancedDataGrid):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");
}
str+= '<head><meta http-equiv="Content-Type" content="text/htm; charset=utf-8"></head><table width="'+dg.width+'" border="1"><thead><tr width="'+dg.width+'" style="background-color:#' +Number((hcolor[0])).toString(16)+'">';
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("alternatingRowColors");
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++) {
if(dg.dataProvider.getItemAt(j) != undefined && dg.dataProvider.getItemAt(j) != null) {
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 {
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;
}
Java代码 收藏代码
public static function ToExcel(dg:AdvancedDataGrid,name:String)
{
//调用JSP
var url:String="http://localhost:8080/XXX/Export/ExcelExport.jsp";
var variables:URLVariables = new URLVariables();
variables.htmltable = convertDGToHTMLTable(dg);
var u:URLRequest = new URLRequest(url);
u.data = variables;
u.method = URLRequestMethod.POST;
navigateToURL(u,"_self");
}
private static function convertDGToHTMLTable(dg:AdvancedDataGrid):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");
}
str+= '<head><meta http-equiv="Content-Type" content="text/htm; charset=utf-8"></head><table width="'+dg.width+'" border="1"><thead><tr width="'+dg.width+'" style="background-color:#' +Number((hcolor[0])).toString(16)+'">';
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("alternatingRowColors");
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++) {
if(dg.dataProvider.getItemAt(j) != undefined && dg.dataProvider.getItemAt(j) != null) {
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 {
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;
}
ExcelExport.jsp放在后台XXX工程的WebRoot下的Export文件夹中。
ExcelExport.jsp：
Java代码 复制代码 收藏代码
<%@ page language="java"%>
<%@ page contentType="application/msexcel;charset=UTF-8"
pageEncoding="UTF-8"%>
<%
request.setCharacterEncoding("UTF-8");
//String instr=request.getParameter("filename");
response.setHeader("Content-disposition","attachment; filename=excel.xls");
response.setCharacterEncoding("UTF-8");
String str = request.getParameter("htmltable");
out.print(str);
%>
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