ExtJS：Grid数据导出至excel实例
浏览数：24 /
时间：2015年06月09日
导出函数ExportExcel()
var config={ store: alldataStore,
title: ‘测试标题‘
};
var tab=tabPanel.getActiveTab();//当前活动状态的Panel
ExportExcel(tab,config);//调用导出函数ExportGridToExcel.js
var Base64 = {
// private property
_keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
// public method for encoding
encode: function(input) {
var output = "";
var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
var i = 0;
input = Base64._utf8_encode(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 +
this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
}
return output;
},
// public method for decoding
decode: function(input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
while (i < input.length) {
enc1 = this._keyStr.indexOf(input.charAt(i++));
enc2 = this._keyStr.indexOf(input.charAt(i++));
enc3 = this._keyStr.indexOf(input.charAt(i++));
enc4 = this._keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
}
output = Base64._utf8_decode(output);
return output;
},
// private method for UTF-8 encoding
_utf8_encode: function(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;
},
// private method for UTF-8 decoding
_utf8_decode: function(utftext) {
var string = "";
var i = 0;
var c = c1 = c2 = 0;
while (i < utftext.length) {
c = utftext.charCodeAt(i);
if (c < 128) {
string += String.fromCharCode(c);
i++;
}
else if ((c > 191) && (c < 224)) {
c2 = utftext.charCodeAt(i + 1);
string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
i += 2;
}
else {
c2 = utftext.charCodeAt(i + 1);
c3 = utftext.charCodeAt(i + 2);
string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
i += 3;
}
}
return string;
}
};
Ext.override(Ext.grid.Panel,{
getExcelXml: function(includeHidden, config) {
var worksheet = this.createWorksheet(includeHidden, config);
//var totalWidth = this.getColumnModel().getTotalWidth(includeHidden);
var innertitle = ‘‘;
if (config && config.title) {
innertitle = config.title;
} else {
innertitle = this.title;
}
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>‘ + innertitle + ‘</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="[ENG][$-409]dd\-mmm\-yyyy;@" />‘ +
‘<ss:NumberFormat ss:Format="yyyy\-m\-d;@" />‘ +
‘</ss:Style>‘ +
‘<ss:Style ss:Parent="even" ss:ID="evenint">‘ +
‘<ss:NumberFormat ss:Format="0" />‘ +
‘</ss:Style>‘ +
‘<ss:Style ss:Parent="even" ss:ID="evenfloat">‘ +
‘<ss:NumberFormat ss:Format="0.00" />‘ +
‘</ss:Style>‘ +
‘<ss:Style ss:ID="odd">‘ +
‘<ss:Interior ss:Pattern="Solid" ss:Color="#CCCCFF" />‘ +
‘</ss:Style>‘ +
‘<ss:Style ss:Parent="odd" ss:ID="odddate">‘ +
‘<ss:NumberFormat ss:Format="[ENG][$-409]dd\-mmm\-yyyy;@" />‘ +
‘</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, config) {
// 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 innertitle = ‘‘;
var innerstore = null;
if (config && config.title) {
innertitle = config.title;
} else {
innertitle = this.title;
}
if (!innertitle || innertitle == ‘‘) {
innertitle = ‘Main Title‘;
}
if (config && config.store) {
innerstore = config.store;
} else {
innerstore = this.store;
}
for (var i=1;i< this.columns.length;i++) {
if (includeHidden || !this.columns[i].isHidden()) {
//debugger;
var w = this.columns[i].getWidth();
totalWidthInPixels += w;
if ((this.columns[i].text === "") || (this.columns[i].getId() === "") ) {
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">‘ + this.columns[i].text + ‘</ss:Data>‘ +
‘<ss:NamedCell ss:Name="Print_Titles" /></ss:Cell>‘;
var fld = innerstore.model.prototype.fields.items[i-1].type;
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="‘ + innertitle + ‘">‘ +
‘<ss:Names>‘ +
‘<ss:NamedRange ss:Name="Print_Titles" ss:RefersTo="=\‘‘ + innertitle + ‘\‘!R1:R2" />‘ +
‘</ss:Names>‘ +
‘<ss:Table x:FullRows="1" x:FullColumns="1"‘ +
‘ ss:ExpandedColumnCount="‘ + (visibleColumnCount) +
‘" ss:ExpandedRowCount="‘ + (innerstore.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>‘ + innertitle + ‘</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 = innerstore.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=1;j< this.columns.length;j++) {
if (includeHidden || !this.columns[j].isHidden()) {
//debugger;
var v = r[this.columns[j].dataIndex];
if (typeof this.columns[j].renderer == ‘function‘ && cellType[k] != ‘DateTime‘) {
var m = {};
v = this.columns[j].renderer(v, m, it[i], i, j, innerstore);
var re = /<[^>]+>/g;
if (v) {
v = v.toString().replace(re, ‘‘);
} else {
v = ‘‘;
}
}
if (cellType[k] !== "None") {
if (!v) {
t += ‘<ss:Cell ss:StyleID="‘ + cellClass + ‘"></ss:Cell>‘;
} else {
t += ‘<ss:Cell ss:StyleID="‘ + cellClass + cellTypeClass[k] + ‘"><ss:Data ss:Type="‘ + cellType[k] + ‘">‘;
if (cellType[k] == ‘DateTime‘) {
t += v.format(‘Y-m-d\\TH:i:s.000‘); // no space betwen i: s
} else {
v = EncodeValue(v);
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>‘;
//Add function to encode value,2009-4-21
function EncodeValue(v) {
var re = /[\r|\n]/g; //Handler enter key
v = v.toString().replace(re, ‘
‘);
return v;
};
return result;
}
});
function ExportExcel(gridPanel,config) {
if (gridPanel) {
var tmpExportContent = ‘‘;
tmpExportContent=gridPanel.getExcelXml(true,config);
if (Ext.isIE || Ext.isSafari || Ext.isSafari2 || Ext.isSafari3 ) {//在这几种浏览器中才需要
var fd = Ext.get(‘frmDummy‘);
if (!fd) {
fd = Ext.DomHelper.append(
Ext.getBody(), {
tag : ‘form‘,
method : ‘post‘,
id : ‘frmDummy‘,
action : ‘exportdata.jsp‘,
target : ‘_blank‘,
name : ‘frmDummy‘,
cls : ‘x-hidden‘,
cn : [ {
tag : ‘input‘,
name : ‘exportContent‘,
id : ‘exportContent‘,
type : ‘hidden‘
} ]
}, true);
}
fd.child(‘#exportContent‘).set( {
value : tmpExportContent
});
fd.dom.submit();
} else {
document.location = ‘data:application/vnd.ms-excel;base64,‘ + Base64.encode(tmpExportContent);
}
}
}
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