计算项

你可以在使用公式计算数值的数据透视表的行/列区域中添加自定义计算项。你可以使用常数或在公式中引用透视表的其他项目。

数据透视表提供了通过公式计算一个字段项的能力 还支持删除计算的项目。 你可以通过修改计算项目的公式或优先级来修改一个计算项目。 你可以通过一个源字段名来获得这个字段的所有计算项的信息。 如果你不提供名称,那么你将得到该字段的所有计算项的信息 你可以决定是否应将计算出的值合并到数据透视表的小计和汇总中。其接口如下: GC.Spread.Pivot.CalcItemAggregation 的类型定义如下:
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, pivotCalcItemData); let pivotTable = initPivotTable(sheet1, tableName); initUI(pivotTable); bindEvent(spread, pivotTable); spread.resumePaint(); } function getDataSource(sheet, tableSource){ sheet.name("DataSource"); sheet.setRowCount(100); sheet.setColumnWidth(0, 120); sheet.getCell(-1, 0).formatter("YYYY-mm-DD"); sheet.getRange(-1,5,0,3).formatter("$ #,##0"); let table = sheet.tables.add('table', 0, 0, 81, 8); sheet.setArray(0, 0, tableSource); return table.name(); } function initPivotTable(sheet, source){ sheet.suspendPaint(); sheet.name("PivotTable"); sheet.setRowCount(100); sheet.setColumnCount(20); let option = { showRowHeader: true, showColumnHeader: true, bandRows: true, bandColumns: true, calcItemAggregation: GC.Spread.Pivot.CalcItemAggregation.exclude }; let pivotTable = sheet.pivotTables.add("PivotTable", source, 4, 1, GC.Spread.Pivot.PivotTableLayoutType.outline, GC.Spread.Pivot.PivotTableThemes.light16, option); pivotTable.suspendLayout(); pivotTable.add("OrderStatus", "Order Status", GC.Spread.Pivot.PivotTableFieldType.rowField); pivotTable.add("Product", "Product", GC.Spread.Pivot.PivotTableFieldType.columnField); pivotTable.add("Total", "Total", GC.Spread.Pivot.PivotTableFieldType.valueField, GC.Pivot.SubtotalType.sum); pivotTable.addCalcItem("OrderStatus", "Outstanding orders","=OrderStatus[Canceled] + OrderStatus[Backorder] + OrderStatus[Pending]"); pivotTable.addCalcItem("OrderStatus", "Total order", "=OrderStatus['Outstanding orders'] + OrderStatus[Shipped]"); pivotTable.addCalcItem("OrderStatus", "Order Proportion", "=OrderStatus['Outstanding orders']/OrderStatus['Total order']"); let groupInfo = { originFieldName: "OrderStatus", textGroup: { fieldName: "Order Analysis", groupItems:{ "Raw Data": ["Shipped", "Pending", "Backorder", "Canceled"], "Analysis Results": ["Outstanding orders", "Total order", "Order Proportion"] } } }; pivotTable.group(groupInfo); pivotTable.add("Order Analysis", "Order Analysis", GC.Spread.Pivot.PivotTableFieldType.rowField, null, 0); let dataArea = { dataOnly: true, references:[{ fieldName: "Values", items: ["Total"] }] } let style = new GC.Spread.Sheets.Style(); style.formatter = "0.00"; pivotTable.setStyle(dataArea, style); sheet.setColumnWidth(1, 150); sheet.addSpan(0,2,1,7); sheet.addSpan(1,2,1,7); sheet.addSpan(2,2,1,7); sheet.setValue(0, 1, "Outstanding orders"); sheet.setValue(1, 1, "Total order"); sheet.setValue(2, 1, "Order Proportion"); sheet.setValue(0, 2, "The total number of orders in each product that have not yet been delivered"); sheet.setValue(1, 2, "Total amount of all orders for each product"); sheet.setValue(2, 2, "The ratio of the total of all undelivered orders to the total of all orders for each product"); pivotTable.resumeLayout(); sheet.resumePaint(); pivotTable.autoFitColumn(); return pivotTable; } function bindEvent(spread, pivotTable){ document.getElementById("add-calc-item").addEventListener("click", function(event){ pivotTable.suspendLayout(); let fieldName = document.getElementById("fieldName").value; let calcItemName = document.getElementById("calcItemName").value; let formula = document.getElementById("formula").value; if (isNullOrUndefined(fieldName) || isNullOrUndefined(calcItemName) || isNullOrUndefined(formula)) { return; } pivotTable.addCalcItem(fieldName, calcItemName, formula); pivotTable.resumeLayout(); }); document.getElementById("remove-calc-item").addEventListener("click", function(event){ pivotTable.suspendLayout(); let fieldName = document.getElementById("fieldName").value; let calcItemName = document.getElementById("calcItemName").value; if (isNullOrUndefined(fieldName)) { return; } pivotTable.removeCalcItem(fieldName, calcItemName); pivotTable.resumeLayout(); }); document.getElementById("update-calc-item").addEventListener("click", function(event){ pivotTable.suspendLayout(); let fieldName = document.getElementById("fieldName").value; let calcItemName = document.getElementById("calcItemName").value; let formula = document.getElementById("formula").value || null; let priority = document.getElementById("priority").value; if (isNullOrUndefined(fieldName) || isNullOrUndefined(calcItemName)) { return; } pivotTable.updateCalcItem(fieldName, calcItemName, formula, +priority); pivotTable.resumeLayout(); }); document.getElementById("CalculatedItemAgg").addEventListener("click", function(event){ pivotTable.suspendLayout(); let status = event.target.checked; pivotTable.options.calcItemAggregation = status ? 0 : 1; pivotTable.resumeLayout(); }); document.getElementById("list-calc-items").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(1,200); sheet.setColumnWidth(2,200); sheet.setColumnWidth(3,100); sheet.setValue(0, 0, "Source Field Name"); sheet.setValue(0, 1, "Calculated Item Name"); sheet.setValue(0, 2, "Formula"); sheet.setValue(0, 3, "Priority"); var calcItemsInfos = pivotTable.getCalcItems(); for (var i = 0; i < calcItemsInfos.length; i++) { sheet.setValue(i + 1, 0, calcItemsInfos[i].sourceName); sheet.setValue(i + 1, 1, calcItemsInfos[i].calcItemName); sheet.setValue(i + 1, 2, calcItemsInfos[i].formula); sheet.setValue(i + 1, 3, calcItemsInfos[i].priority); } spread.setActiveSheet(sheet.name()); let name = "CalcItemList"; let count = 1; while (spread.getSheetFromName(name + count)) { count++; } sheet.name(name + count); spread.resumePaint(); }); } function isNullOrUndefined (value) { if (value === undefined || value === null) { return true; } return false; } function initUI (pivotTable) { let aggDom = document.getElementById("CalculatedItemAgg"); aggDom.checked = pivotTable.options.calcItemAggregation === GC.Spread.Pivot.CalcItemAggregation.exclude ? false : true; }
<!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> <input type="checkbox" id="CalculatedItemAgg" /> <label for="CalculatedItemAgg">Whether to aggregate the values of the Calculated item value the total</label> </div> <div> <div class="select-option-class">Source Field Name:</div> <input type="text" name="" id="fieldName" class="missingCaption select-option-select" /> </div> <div> <div class="select-option-class">Calculated Item Name:</div> <input type="text" name="" id="calcItemName" class="rowLabelIndent select-option-select" /> </div> <div> <div class="select-option-class">Formula:</div> <input type="text" name="" id="formula" class="rowLabelIndent select-option-select" /> </div> <div> <div class="select-option-class">Priority:</div> <input type="number" min="0" name="" id="priority" class="rowLabelIndent select-option-select" /> </div> <hr /> <div> <label class="select-option-class">- To add a Calculated Item enter Source Field Name, CalcItemName and Formula and click the below button.</label> <label class="select-option-class"><u>For Example</u>: Add <b>Product</b> to source field name, and <b>all pens</b> to calculated item name, and <b>=Product[Pen]+Product[Pencil]</b> to formula, to have a calculated item for 'all pens'. You can find the inserted item in the current field.</label> </div> <input type="button" value="Add Calculated Item" class="set-option" id="add-calc-item" /> <div> <label class="select-option-class">- To remove a Calculated Item, enter the name in the Source Field Name box and enter the name in the Calculated Item Name box click the below button.</label> <label class="select-option-class"><u>For Example</u>: Add <b>OrderStatus</b> to source field name, and <b>Order Proportion</b> to calculated item name</label> </div> <input type="button" value="Remove Calculated Item" class="set-option" id="remove-calc-item" /> <div> <label class="select-option-class">- To update a Calculated Item, You can modify a Calculated Item by modifying the formula and priority</label> <label class="select-option-class"><u>For Example</u>: Add <b>OrderStatus</b> to source field name, and <b>Order Proportion</b> to calculated item name, and <b>=OrderStatus['Total order']/OrderStatus['Outstanding orders']</b> to formula, and <b>2</b> to priority</label> </div> <input type="button" value="Update Calculated Item" class="set-option" id="update-calc-item" /> <div> <label class="select-option-class">- Click the List Calculated Items to see the list of all Calculated Items that have been created.</label> </div> <input type="button" value="List Calculated Items" class="set-option" id="list-calc-items" /> </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; }