计算字段

可以将自定义计算字段添加到使用公式计算值的数据透视表的值字段区域。可以在公式中使用常量或引用数据透视表的其他字段。

数据透视表提供了使用公式创建计算字段的能力。 同样支持删除计算字段。 您可以获取所有设置到指定数据透视表的计算字段。 返回的结果有两个属性: fieldName: 计算字段的名字。 formula: 计算字段相对应的公式。
window.onload = function () { let spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"), {sheetCount: 2}); initSpread(spread); }; function initSpread(spread) { spread.suspendPaint(); let sheet1 = spread.getSheet(0); let sheet2 = spread.getSheet(1); let tableName = getDataSource(sheet2, pivotSales); let pivotTable = initPivotTable(sheet1, tableName); bindEvent(spread, pivotTable); spread.resumePaint(); } function getDataSource(sheet, tableSource){ sheet.name("DataSource"); sheet.setRowCount(117); sheet.setColumnWidth(0, 120); sheet.getCell(-1, 0).formatter("YYYY-mm-DD"); sheet.getRange(-1,4,0,2).formatter("$ #,##0"); let table = sheet.tables.add('table', 0, 0, 117, 6); for(let i=2;i<=117;i++) { sheet.setFormula(i-1,5,'=D'+i+'*E'+i) } table.style(GC.Spread.Sheets.Tables.TableThemes["none"]); sheet.setArray(0, 0, tableSource); return table.name(); } function initPivotTable(sheet, source){ sheet.suspendPaint(); sheet.name("PivotTable"); sheet.setRowCount(1000); sheet.setColumnCount(100); let option = { showRowHeader: true, showColumnHeader: true, bandRows: true, bandColumns: true }; let pivotTable = sheet.pivotTables.add("PivotTable", source, 1, 1, GC.Spread.Pivot.PivotTableLayoutType.outline, GC.Spread.Pivot.PivotTableThemes.light8, option); pivotTable.suspendLayout(); pivotTable.add("salesperson", "Salesperson", GC.Spread.Pivot.PivotTableFieldType.rowField); pivotTable.add("car", "Cars", GC.Spread.Pivot.PivotTableFieldType.rowField); let groupInfo = { originFieldName: "date", dateGroups: [{ by: GC.Pivot.DateGroupType.quarters }] }; pivotTable.group(groupInfo); pivotTable.add("季度 (date)", "季度 (date)",GC.Spread.Pivot.PivotTableFieldType.columnField); pivotTable.add("total", "Revenue", GC.Spread.Pivot.PivotTableFieldType.valueField, GC.Pivot.SubtotalType.sum); pivotTable.addCalcField('tax', '=total * 0.08'); pivotTable.add("tax", "Tax", GC.Spread.Pivot.PivotTableFieldType.valueField, GC.Pivot.SubtotalType.sum); pivotTable.resumeLayout(); sheet.resumePaint(); pivotTable.autoFitColumn(); return pivotTable; } function bindEvent(spread, pivotTable){ document.getElementById("add-calc-field").addEventListener("click", function(event){ pivotTable.suspendLayout(); let fieldName = document.getElementById("fieldName").value; let formula = document.getElementById("formula").value; pivotTable.addCalcField(fieldName, formula); pivotTable.add(fieldName, fieldName, GC.Spread.Pivot.PivotTableFieldType.valueField, GC.Pivot.SubtotalType.sum); pivotTable.resumeLayout(); }); document.getElementById("remove-calc-field").addEventListener("click", function(event){ pivotTable.suspendLayout(); let fieldName = document.getElementById("fieldName").value; pivotTable.removeCalcField(fieldName); pivotTable.resumeLayout(); }); document.getElementById("list-calc-fields").addEventListener("click", function(event){ spread.suspendPaint(); var sheet = new GC.Spread.Sheets.Worksheet(); var sheetCount = spread.getSheetCount(); spread.addSheet(sheetCount, sheet); sheet.setColumnWidth(0,150); sheet.setColumnWidth(1,150); sheet.setValue(0, 0, "Field Name"); sheet.setValue(0, 1, "Formula"); var calcFieldInfos = pivotTable.getCalcFields(); for (var i = 0; i < calcFieldInfos.length; i++) { sheet.setValue(i + 1, 0, calcFieldInfos[i].fieldName); sheet.setValue(i + 1, 1, calcFieldInfos[i].formula); } spread.setActiveSheet(sheet.name()); spread.resumePaint(); }); }
<!doctype html> <html style="height:100%;font-size:14px;"> <head> <meta name="spreadjs culture" content="zh-cn" /> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <link rel="stylesheet" type="text/css" href="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css"> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/dist/gc.spread.sheets.all.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-shapes/dist/gc.spread.sheets.shapes.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-pivot-addon/dist/gc.spread.pivot.pivottables.min.js" type="text/javascript"></script> <script src="$DEMOROOT$/spread/source/data/data.js" type="text/javascript"></script> <script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script> <script src="$DEMOROOT$/spread/source/data/pivot-data.js" type="text/javascript"></script> <script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-resources-zh/dist/gc.spread.sheets.resources.zh.min.js" type="text/javascript"></script> <script src="app.js" type="text/javascript"></script> <link rel="stylesheet" type="text/css" href="styles.css"> </head> <body> <div class="sample-tutorial"> <div id="ss" class="sample-spreadsheets"></div> <div id="container" class="options-container"> <div> <div class="select-option-class">Field Name:</div> <input type="text" name="" id="fieldName" class="missingCaption select-option-select" /> </div> <div> <div class="select-option-class">Formula:</div> <input type="text" name="" id="formula" class="rowLabelIndent select-option-select" /> </div> <hr /> <div> <label class="select-option-class">- To add a Calculated Field enter Field Name and Formula and click the below button.</label> <label class="select-option-class"><u>For Example</u>: Add <b>Commission</b> to field name, and <b>=total*0.05</b> to formula, to have a calculated field for Commission. You can find the inserted fields after the current ones (at columns L-O and R).</label> </div> <input type="button" value="Add Calculated Field" class="set-option" id="add-calc-field" /> <div> <label class="select-option-class">- To remove a Calculated Field, enter the name in the Field Name box and click the below button.</label> <label class="select-option-class"><u>For Example</u>: Tax.</label> </div> <input type="button" value="Remove Calculated Field" class="set-option" id="remove-calc-field" /> <div> <label class="select-option-class">- Click the List Calculated Fields to see the list of all Calculated Fields that have been created.</label> </div> <input type="button" value="List Calculated Fields" class="set-option" id="list-calc-fields" /> </div> </div> </body> </html>
.sample-tutorial { position: relative; height: 100%; overflow: hidden; } .sample-spreadsheets { width: calc(100% - 300px); height: 100%; overflow: hidden; float: left; } .options-container { float: right; width: 300px; padding: 12px; height: 100%; box-sizing: border-box; background: #fbfbfb; overflow: auto; } body { position: absolute; top: 0; bottom: 0; left: 0; right: 0; } .set-option { display: block; margin-top: 20px; width: 250px; } #reportFilterFieldsPerColumn { width: 28px; } .select-option-class{ display: block; margin-top: 10px; margin-bottom: 10px } .select-option-select{ width: 250px; display: block; margin-bottom: 20px; } .option-item{ display: block; height: 20px; margin-bottom: 20px; }