ExtJS：Grid数据导出至excel实例
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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PanelExportExcel(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); } }} 0 0
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