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;
}
