Jquery easyui datagrid 導出Excel(轉)
datagrid的擴展方法，用於將當前的數據生成excel需要的內容。
1 <script> 2 /** 3 Jquery easyui datagrid js導出excel 4 修改自extgrid導出excel 5 * allows for downloading of grid data (store) directly into excel 6 * Method: extracts data of gridPanel store, uses columnModel to construct XML excel document, 7 * converts to Base64, then loads everything into a data URL link. 8 * 9 * @author Animal <extjs support team> 10 * 11 */ 12 $.extend($.fn.datagrid.methods, { 13 getExcelXml: function (jq, param) { 14 var worksheet = this.createWorksheet(jq, param); 15 //alert($(jq).datagrid('getColumnFields')); 16 var totalWidth = 0; 17 var cfs = $(jq).datagrid('getColumnFields'); 18 for (var i = 1; i < cfs.length; i++) { 19 totalWidth += $(jq).datagrid('getColumnOption', cfs[i]).width; 20 } 21 //var totalWidth = this.getColumnModel().getTotalWidth(includeHidden); 22 return '<?xml version="1.0" encoding="utf-8"?>' +//xml申明有問題，以修正，注意是utf-8編碼，如果是gb2312，需要修改動態頁文件的寫入編碼 23 '<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">' + 24 '<o:DocumentProperties><o:Title>' + param.title + '</o:Title></o:DocumentProperties>' + 25 '<ss:ExcelWorkbook>' + 26 '<ss:WindowHeight>' + worksheet.height + '</ss:WindowHeight>' + 27 '<ss:WindowWidth>' + worksheet.width + '</ss:WindowWidth>' + 28 '<ss:ProtectStructure>False</ss:ProtectStructure>' + 29 '<ss:ProtectWindows>False</ss:ProtectWindows>' + 30 '</ss:ExcelWorkbook>' + 31 '<ss:Styles>' + 32 '<ss:Style ss:ID="Default">' + 33 '<ss:Alignment ss:Vertical="Top" />' + 34 '<ss:Font ss:FontName="arial" ss:Size="10" />' + 35 '<ss:Borders>' + 36 '<ss:Border ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Top" />' + 37 '<ss:Border ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Bottom" />' + 38 '<ss:Border ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Left" />' + 39 '<ss:Border ss:Weight="1" ss:LineStyle="Continuous" ss:Position="Right" />' + 40 '</ss:Borders>' + 41 '<ss:Interior />' + 42 '<ss:NumberFormat />' + 43 '<ss:Protection />' + 44 '</ss:Style>' + 45 '<ss:Style ss:ID="title">' + 46 '<ss:Borders />' + 47 '<ss:Font />' + 48 '<ss:Alignment ss:Vertical="Center" ss:Horizontal="Center" />' + 49 '<ss:NumberFormat ss:Format="@" />' + 50 '</ss:Style>' + 51 '<ss:Style ss:ID="headercell">' + 52 '<ss:Font ss:Bold="1" ss:Size="10" />' + 53 '<ss:Alignment ss:Horizontal="Center" />' + 54 '<ss:Interior ss:Pattern="Solid" />' + 55 '</ss:Style>' + 56 '<ss:Style ss:ID="even">' + 57 '<ss:Interior ss:Pattern="Solid" />' + 58 '</ss:Style>' + 59 '<ss:Style ss:Parent="even" ss:ID="evendate">' + 60 '<ss:NumberFormat ss:Format="yyyy-mm-dd" />' + 61 '</ss:Style>' + 62 '<ss:Style ss:Parent="even" ss:ID="evenint">' + 63 '<ss:NumberFormat ss:Format="0" />' + 64 '</ss:Style>' + 65 '<ss:Style ss:Parent="even" ss:ID="evenfloat">' + 66 '<ss:NumberFormat ss:Format="0.00" />' + 67 '</ss:Style>' + 68 '<ss:Style ss:ID="odd">' + 69 '<ss:Interior ss:Pattern="Solid" />' + 70 '</ss:Style>' + 71 '<ss:Style ss:Parent="odd" ss:ID="odddate">' + 72 '<ss:NumberFormat ss:Format="yyyy-mm-dd" />' + 73 '</ss:Style>' + 74 '<ss:Style ss:Parent="odd" ss:ID="oddint">' + 75 '<ss:NumberFormat ss:Format="0" />' + 76 '</ss:Style>' + 77 '<ss:Style ss:Parent="odd" ss:ID="oddfloat">' + 78 '<ss:NumberFormat ss:Format="0.00" />' + 79 '</ss:Style>' + 80 '</ss:Styles>' + 81 worksheet.xml + 82 '</ss:Workbook>'; 83 }, 84 createWorksheet: function (jq, param) { 85 // Calculate cell data types and extra class names which affect formatting 86 var cellType = []; 87 var cellTypeClass = []; 88 //var cm = this.getColumnModel(); 89 var totalWidthInPixels = 0; 90 var colXml = ''; 91 var headerXml = ''; 92 var visibleColumnCountReduction = 0; 93 var cfs = $(jq).datagrid('getColumnFields'); 94 var colCount = cfs.length; 95 for (var i = 1; i < colCount; i++) { 96 if (cfs[i] != '') { 97 var w = $(jq).datagrid('getColumnOption', cfs[i]).width; 98 totalWidthInPixels += w; 99 if (cfs[i] === "") { 100 cellType.push("None"); 101 cellTypeClass.push(""); 102 ++visibleColumnCountReduction; 103 } 104 else { 105 colXml += '<ss:Column ss:AutoFitWidth="1" ss:Width="130" />'; 106 headerXml += '<ss:Cell ss:StyleID="headercell">' + 107 '<ss:Data ss:Type="String">' + $(jq).datagrid('getColumnOption', cfs[i]).title + '</ss:Data>' + 108 '<ss:NamedCell ss:Name="Print_Titles" /></ss:Cell>'; 109 cellType.push("String"); 110 cellTypeClass.push(""); 111 } 112 } 113 } 114 var visibleColumnCount = cellType.length - visibleColumnCountReduction; 115 var result = { 116 height: 9000, 117 width: Math.floor(totalWidthInPixels * 30) + 50 118 }; 119 var rows = $(jq).datagrid('getRows'); 120 // Generate worksheet header details. 121 var t = '<ss:Worksheet ss:Name="' + param.title + '">' + 122 '<ss:Names>' + 123 '<ss:NamedRange ss:Name="Print_Titles" ss:RefersTo="=\'' + param.title + '\'!R1:R2" />' + 124 '</ss:Names>' + 125 '<ss:Table x:FullRows="1" x:FullColumns="1"' + 126 ' ss:ExpandedColumnCount="' + (visibleColumnCount + 2) + 127 '" ss:ExpandedRowCount="' + (rows.length + 2) + '">' + 128 colXml + 129 '<ss:Row ss:AutoFitHeight="1">' + 130 headerXml + 131 '</ss:Row>'; 132 // Generate the data rows from the data in the Store 133 //for (var i = 0, it = this.store.data.items, l = it.length; i < l; i++) { 134 for (var i = 0, it = rows, l = it.length; i < l; i++) { 135 t += '<ss:Row>'; 136 var cellClass = (i & 1) ? 'odd' : 'even'; 137 r = it[i]; 138 var k = 0; 139 for (var j = 1; j < colCount; j++) { 140 //if ((cm.getDataIndex(j) != '') 141 if (cfs[j] != '') { 142 //var v = r[cm.getDataIndex(j)]; 143 var v = r[cfs[j]]; 144 if (cellType[k] !== "None") { 145 t += '<ss:Cell ss:StyleID="' + cellClass + cellTypeClass[k] + '"><ss:Data ss:Type="' + cellType[k] + '">'; 146 if (cellType[k] == 'DateTime') { 147 t += v.format('Y-m-d'); 148 } else { 149 t += v; 150 } 151 t += '</ss:Data></ss:Cell>'; 152 } 153 k++; 154 } 155 } 156 t += '</ss:Row>'; 157 } 158 result.xml = t + '</ss:Table>' + 159 '<x:WorksheetOptions>' + 160 '<x:PageSetup>' + 161 '<x:Layout x:CenterHorizontal="1" x:Orientation="Landscape" />' + 162 '<x:Footer x:Data="Page &P of &N" x:Margin="0.5" />' + 163 '<x:PageMargins x:Top="0.5" x:Right="0.5" x:Left="0.5" x:Bottom="0.8" />' + 164 '</x:PageSetup>' + 165 '<x:FitToPage />' + 166 '<x:Print>' + 167 '<x:PrintErrors>Blank</x:PrintErrors>' + 168 '<x:FitWidth>1</x:FitWidth>' + 169 '<x:FitHeight>32767</x:FitHeight>' + 170 '<x:ValidPrinterInfo />' + 171 '<x:VerticalResolution>600</x:VerticalResolution>' + 172 '</x:Print>' + 173 '<x:Selected />' + 174 '<x:DoNotDisplayGridlines />' + 175 '<x:ProtectObjects>False</x:ProtectObjects>' + 176 '<x:ProtectScenarios>False</x:ProtectScenarios>' + 177 '</x:WorksheetOptions>' + 178 '</ss:Worksheet>'; 179 return result; 180 } 181 }); 182 </script>
Html:
1 <div style="margin-bottom:5px" id="tb"> 2 <a href="#" class="easyui-linkbutton" onclick="return Save_Excel()" iconCls="icon-save" plain="true" title="導出excel文件"></a> 3 </div> 4 <table id="dg"></table> 5 <script> 6 function Save_Excel() {//導出Excel文件 7 //getExcelXML有一個JSON對象的配置，配置項看了下只有title配置，爲excel文檔的標題 8 var data = $('#dg').datagrid('getExcelXml', { title: 'datagrid import to excel' }); //獲取datagrid數據對應的excel需要的xml格式的內容 9 //用ajax發動到動態頁動態寫入xls文件中 10 var url = 'datagrid-to-excel.ashx'; //如果爲asp注意修改後綴 11 $.ajax({ url: url, data: { data: data }, type: 'POST', dataType: 'text', 12 success: function (fn) { 13 alert('導出excel成功！'); 14 window.location = fn; //執行下載操作 15 }, 16 error: function (xhr) { 17 alert('動態頁有問題\nstatus：' + xhr.status + '\nresponseText：' + xhr.responseText) 18 } 19 }); 20 return false; 21 } 22 $(function () { 23 $('#dg').datagrid({ 24 singleSelect: true, 25 toolbar:'#tb', 26 url: 'product.json', 27 fitColumns: true, pagination: true, pageSize: 3, 28 title: 'easyui datagrid數據導出excel文件示例', 29 width: 400, 30 height: 300, 31 columns: [[{ field: 'itemid', width: 80, title: 'Item ID' }, 32 { field: 'productname', width: 100, editor: 'text', title: 'Product Name' }, 33 { field: 'listprice', width: 80, align: 'right', title: 'List Pirce' }, 34 { field: 'unitcost', width: 80, align: 'right', title: 'Unit Cost'}]] 35 }); 36 }); 37 </script>
asp.net後臺代碼
1 <%@ WebHandler Language="C#" Class="datagrid_to_excel" %> 2 3 using System; 4 using System.Web; 5 using System.IO; 6 using System.Text; 7 public class datagrid_to_excel : IHttpHandler 8 { 9 public void ProcessRequest(HttpContext context) 10 { 11 string fn = DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".xls"; 12 string data = context.Request.Form["data"]; 13 File.WriteAllText(context.Server.MapPath(fn), data, Encoding.UTF8);//如果是gb2312的xml申明，第三個編碼參數修改爲Encoding.GetEncoding(936) 14 15 context.Response.Write(fn);//返回文件名提供下載 16 } 17 public bool IsReusable { 18 get { 19 return false; 20 } 21 } 22 23 }
效果圖
注意：如果在使用中報“從客戶端(exportContent="<xml version="1.0" e...")中檢測到有潛在危險的 Request.Form 值。”，需要修改一下webconfig文件
在Web.Config文件中的配置節</system.web>之前加上如下一句配置就可以了
<httpRuntime requestValidationMode="2.0" />
分類: Easyui
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