1.页面内容 index.jsp
<%@ page language="java" pageEncoding="GBK"%>
<%@page contentType="text/html;charset=UTF-8"%>
<html>
<head>
<title>Column Layout</title>
<link rel="stylesheet" type="text/css" href="js/ext-all.css" />
<script type="text/javascript" src="js/ext-base.js"></script>
<script type="text/javascript" src="js/ext-all.js"></script>
<script type="text/javascript" src="js/gridToExcel.js"></script>
<script type="text/javascript" src="js/ext-lang-zh_CN-GBK-min.js"></script>
<script type="text/javascript">
Ext.onReady(function(){
Ext.state.Manager.setProvider(new Ext.state.CookieProvider());
var myData = [
['3m Co',71.72,0.02,0.03,'9/1 12:00am'],
['Alcoa Inc',29.01,0.42,1.47,'9/1 12:00am'],
['Altria Group Inc',83.81,0.28,0.34,'9/1 12:00am'],
['American Express Company',52.55,0.01,0.02,'9/1 12:00am'],
['American International Group, Inc.',64.13,0.31,0.49,'9/1 12:00am'],
['AT&T Inc.',31.61,-0.48,-1.54,'9/1 12:00am'],
['Boeing Co.',75.43,0.53,0.71,'9/1 12:00am'],
['Caterpillar Inc.',67.27,0.92,1.39,'9/1 12:00am'],
['Citigroup, Inc.',49.37,0.02,0.04,'9/1 12:00am'],
['中国银行',49.37,0.02,0.04,'9/1 12:00am']
];
// example of custom renderer function
function change(val){
if(val > 0){
return '<span style="color:green;">' + val + '</span>';
}else if(val < 0){
return '<span style="color:red;">' + val + '</span>';
}
return val;
}
// example of custom renderer function
function pctChange(val){
if(val > 0){
return '<span style="color:green;">' + val + '%</span>';
}else if(val < 0){
return '<span style="color:red;">' + val + '%</span>';
}
return val;
}
// create the data store
var store = new Ext.data.SimpleStore({
fields: [
{name: 'company'},
{name: 'price', type: 'float'},
{name: 'change', type: 'float'},
{name: 'pctChange', type: 'float'},
{name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
]
});
store.loadData(myData);
var linkButton = new Ext.Button({
text: '导出到Excel',
handler: function() {
var vExportContent = grid.getExcelXml();
if (Ext.isIE6 || Ext.isIE7 || Ext.isSafari || Ext.isSafari2 || Ext.isSafari3) {
var fd=Ext.get('frmDummy');
if (!fd) {
fd=Ext.DomHelper.append(Ext.getBody(),{tag:'form',method:'post',id:'frmDummy',action:'exportexcel.jsp', target:'_blank',name:'frmDummy',cls:'x-hidden',cn:[
{tag:'input',name:'exportContent',id:'exportContent',type:'hidden'}
]},true);
}
fd.child('#exportContent').set({value:vExportContent});
fd.dom.submit();
} else {
document.location = 'data:application/vnd.ms-excel;base64,'+Base64.encode(vExportContent);
}}
});
// create the Grid
var grid = new Ext.grid.GridPanel({
id: 'static-grid',
store: store,
columns: [
{id:'company',header: "Company", width: 160, sortable: true, dataIndex: 'company'},
{header: "Price", width: 75, sortable: true, renderer: 'usMoney', dataIndex: 'price'},
{header: "Change", width: 75, sortable: true, renderer: change, dataIndex: 'change'},
{header: "% Change", width: 75, sortable: true, renderer: pctChange, dataIndex: 'pctChange'},
{header: "Last Updated", width: 85, sortable: true, renderer: Ext.util.Format.dateRenderer('m/d/Y'), dataIndex: 'lastChange'}
],
stripeRows: true,
autoExpandColumn: 'company',
height:350,
width:600,
title:'EXT Grid 导出excel 例子',
bbar: new Ext.Toolbar({
buttons: [linkButton]
})
});
grid.render('grid-example');
grid.getSelectionModel().selectFirstRow();
});
</script>
</head>
<body>
<div id="grid-example"></div>
</body>
</html>
2.JS内容 exportexcel.js
/**
* allows for downloading of grid data (store) directly into excel
* Method: extracts data of gridPanel store, uses columnModel to construct XML excel document,
* converts to Base64, then loads everything into a data URL link.
*
* @author Animal <extjs support team>
*
*/
/**
* base64 encode / decode
*
* @location http://www.webtoolkit.info/
*
*/
var Base64 = (function() {
// Private property
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
// Private method for UTF-8 encoding
function utf8Encode(string) {
string = string.replace(/\r\n/g,"\n");
var utftext = "";
for (var n = 0; n < string.length; n++) {
var c = string.charCodeAt(n);
if (c < 128) {
utftext += String.fromCharCode(c);
}
else if((c > 127) && (c < 2048)) {
utftext += String.fromCharCode((c >> 6) | 192);
utftext += String.fromCharCode((c & 63) | 128);
}
else {
utftext += String.fromCharCode((c >> 12) | 224);
utftext += String.fromCharCode(((c >> 6) & 63) | 128);
utftext += String.fromCharCode((c & 63) | 128);
}
}
return utftext;
}
// Public method for encoding
return {
encode : (typeof btoa == 'function') ? function(input) {
return btoa(utf8Encode(input));
} : function (input) {
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
input = utf8Encode(input);
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output +
keyStr.charAt(enc1) + keyStr.charAt(enc2) +
keyStr.charAt(enc3) + keyStr.charAt(enc4);
}
return output;
}
};
})();
Ext.override(Ext.grid.GridPanel, {
getExcelXml: function(includeHidden) {
var worksheet = this.createWorksheet(includeHidden);
var totalWidth = this.getColumnModel().getTotalWidth(includeHidden);
return '<xml version="1.0" encoding="utf-8">' +
'<ss:Workbook xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:o="urn:schemas-microsoft-com:office:office">' +
'<o:DocumentProperties><o:Title>' + this.title + '</o:Title></o:DocumentProperties>' +
'<ss:ExcelWorkbook>' +
'<ss:WindowHeight>' + worksheet.height + '</ss:WindowHeight>' +
'<ss:WindowWidth>' + worksheet.width + '</ss:WindowWidth>' +
'<ss:ProtectStructure>False</ss:ProtectStructure>' +
'<ss:ProtectWindows>False</ss:ProtectWindows>' +
'</ss:ExcelWorkbook>' +
'<ss:Styles>' +
'<ss:Style ss:ID="Default">' +
'<ss:Alignment ss:Vertical="Top" ss:WrapText="1" />' +
'<ss:Font ss:FontName="arial" ss:Size="10" />' +
'<ss:Borders>' +
'<ss:Border ss:Color="#e4e4e4" ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Top" />' +
'<ss:Border ss:Color="#e4e4e4" ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Bottom" />' +
'<ss:Border ss:Color="#e4e4e4" ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Left" />' +
'<ss:Border ss:Color="#e4e4e4" ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Right" />' +
'</ss:Borders>' +
'<ss:Interior />' +
'<ss:NumberFormat />' +
'<ss:Protection />' +
'</ss:Style>' +
'<ss:Style ss:ID="title">' +
'<ss:Borders />' +
'<ss:Font />' +
'<ss:Alignment ss:WrapText="1" ss:Vertical="Center" ss:Horizontal="Center" />' +
'<ss:NumberFormat ss:Format="@" />' +
'</ss:Style>' +
'<ss:Style ss:ID="headercell">' +
'<ss:Font ss:Bold="1" ss:Size="10" />' +
'<ss:Alignment ss:WrapText="1" ss:Horizontal="Center" />' +
'<ss:Interior ss:Pattern="Solid" ss:Color="#A3C9F1" />' +
'</ss:Style>' +
'<ss:Style ss:ID="even">' +
'<ss:Interior ss:Pattern="Solid" ss:Color="#CCFFFF" />' +
'</ss:Style>' +
'<ss:Style ss:Parent="even" ss:ID="evendate">' +
'<ss:NumberFormat ss:Format="yyyy-mm-dd" />' +
'</ss:Style>' +
'<ss:Style ss:Parent="even" ss:ID="evenint">' +
'<ss:NumberFormat ss:Format="0" />' +
'</ss:Style>' +
'<ss:Style ss:Parent="even" ss:ID="evenfloat">' +
'<ss:NumberFormat ss:Format="0.00" />' +
'</ss:Style>' +
'<ss:Style ss:ID="odd">' +
'<ss:Interior ss:Pattern="Solid" ss:Color="#CCCCFF" />' +
'</ss:Style>' +
'<ss:Style ss:Parent="odd" ss:ID="odddate">' +
'<ss:NumberFormat ss:Format="yyyy-mm-dd" />' +
'</ss:Style>' +
'<ss:Style ss:Parent="odd" ss:ID="oddint">' +
'<ss:NumberFormat ss:Format="0" />' +
'</ss:Style>' +
'<ss:Style ss:Parent="odd" ss:ID="oddfloat">' +
'<ss:NumberFormat ss:Format="0.00" />' +
'</ss:Style>' +
'</ss:Styles>' +
worksheet.xml +
'</ss:Workbook>';
},
createWorksheet: function(includeHidden) {
// Calculate cell data types and extra class names which affect formatting
var cellType = [];
var cellTypeClass = [];
var cm = this.getColumnModel();
var totalWidthInPixels = 0;
var colXml = '';
var headerXml = '';
var visibleColumnCountReduction = 0;
var colCount = cm.getColumnCount();
for (var i = 0; i < colCount; i++) {
if ((cm.getDataIndex(i) != '')
&& (includeHidden || !cm.isHidden(i))) {
var w = cm.getColumnWidth(i)
totalWidthInPixels += w;
if (cm.getColumnHeader(i) === ""){
cellType.push("None");
cellTypeClass.push("");
++visibleColumnCountReduction;
}
else
{
colXml += '<ss:Column ss:AutoFitWidth="1" ss:Width="' + w + '" />';
headerXml += '<ss:Cell ss:StyleID="headercell">' +
'<ss:Data ss:Type="String">' + cm.getColumnHeader(i) + '</ss:Data>' +
'<ss:NamedCell ss:Name="Print_Titles" /></ss:Cell>';
var fld = this.store.recordType.prototype.fields.get(cm.getDataIndex(i));
switch(fld.type) {
case "int":
cellType.push("Number");
cellTypeClass.push("int");
break;
case "float":
cellType.push("Number");
cellTypeClass.push("float");
break;
case "bool":
case "boolean":
cellType.push("String");
cellTypeClass.push("");
break;
case "date":
cellType.push("DateTime");
cellTypeClass.push("date");
break;
default:
cellType.push("String");
cellTypeClass.push("");
break;
}
}
}
}
var visibleColumnCount = cellType.length - visibleColumnCountReduction;
var result = {
height: 9000,
width: Math.floor(totalWidthInPixels * 30) + 50
};
// Generate worksheet header details.
var t = '<ss:Worksheet ss:Name="' + this.title + '">' +
'<ss:Names>' +
'<ss:NamedRange ss:Name="Print_Titles" ss:RefersTo="=\'' + this.title + '\'!R1:R2" />' +
'</ss:Names>' +
'<ss:Table x:FullRows="1" x:FullColumns="1"' +
' ss:ExpandedColumnCount="' + (visibleColumnCount + 2) +
'" ss:ExpandedRowCount="' + (this.store.getCount() + 2) + '">' +
colXml +
'<ss:Row ss:Height="38">' +
'<ss:Cell ss:StyleID="title" ss:MergeAcross="' + (visibleColumnCount - 1) + '">' +
'<ss:Data xmlns:html="http://www.w3.org/TR/REC-html40" ss:Type="String">' +
'<html:B>'+ this.title +'</html:B></ss:Data><ss:NamedCell ss:Name="Print_Titles" />' +
'</ss:Cell>' +
'</ss:Row>' +
'<ss:Row ss:AutoFitHeight="1">' +
headerXml +
'</ss:Row>';
// Generate the data rows from the data in the Store
for (var i = 0, it = this.store.data.items, l = it.length; i < l; i++) {
t += '<ss:Row>';
var cellClass = (i & 1) ? 'odd' : 'even';
r = it[i].data;
var k = 0;
for (var j = 0; j < colCount; j++) {
if ((cm.getDataIndex(j) != '')
&& (includeHidden || !cm.isHidden(j))) {
var v = r[cm.getDataIndex(j)];
if (cellType[k] !== "None") {
t += '<ss:Cell ss:StyleID="' + cellClass + cellTypeClass[k] + '"><ss:Data ss:Type="' + cellType[k] + '">';
if (cellType[k] == 'DateTime') {
t += v.format('Y-m-d');
} else {
t += v;
}
t +='</ss:Data></ss:Cell>';
}
k++;
}
}
t += '</ss:Row>';
}
result.xml = t + '</ss:Table>' +
'<x:WorksheetOptions>' +
'<x:PageSetup>' +
'<x:Layout x:CenterHorizontal="1" x:Orientation="Landscape" />' +
'<x:Footer x:Data="Page &P of &N" x:Margin="0.5" />' +
'<x:PageMargins x:Top="0.5" x:Right="0.5" x:Left="0.5" x:Bottom="0.8" />' +
'</x:PageSetup>' +
'<x:FitToPage />' +
'<x:Print>' +
'<x:PrintErrors>Blank</x:PrintErrors>' +
'<x:FitWidth>1</x:FitWidth>' +
'<x:FitHeight>32767</x:FitHeight>' +
'<x:ValidPrinterInfo />' +
'<x:VerticalResolution>600</x:VerticalResolution>' +
'</x:Print>' +
'<x:Selected />' +
'<x:DoNotDisplayGridlines />' +
'<x:ProtectObjects>False</x:ProtectObjects>' +
'<x:ProtectScenarios>False</x:ProtectScenarios>' +
'</x:WorksheetOptions>' +
'</ss:Worksheet>';
return result;
}
});
如有你的浏览器是IE6的话还有得加上这个JSP界面
<%@ page language="java" pageEncoding="UTF-8"%>
<%
request.setCharacterEncoding("UTF-8");
response.setHeader("Content-Type","application/force-download");
response.setHeader("Content-Type","application/vnd.ms-excel");
response.setHeader("Content-Disposition","attachment;filename=export.xls");
out.print(request.getParameter("exportContent"));
%>
原源见附件