数据透视表支持序列化/反序列化数据透视表。
通过serialize()方法获得的序列化信息只能应用在有相同数据源的数据透视表中。
序列化 & 反序列化
当前序列化支持以下数据：
字段, 选项配置, 筛选, 排序, 布局, 数据透视表位置, 主题
接口
API
示例代码
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(_getElementById('ss'), { sheetCount: 2 });
initSpread(spread);
var pivotLayoutSheet = spread.getSheet(0);
var pt = initPivotTable(pivotLayoutSheet);
bindEvent(pt);
};
function initSpread(spread) {
spread.suspendPaint();
let sheet = spread.getSheet(1);
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('tableSales', 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, pivotSales);
let sheet0 = spread.getSheet(0);
sheet0.name("PivotLayout");
spread.resumePaint();
}
function initPivotTable(sheet) {
let myPivotTable = sheet.pivotTables.add("myPivotTable", "tableSales", 1, 1, GC.Spread.Pivot.PivotTableLayoutType.outline, GC.Spread.Pivot.PivotTableThemes.light1);
myPivotTable.suspendLayout();
myPivotTable.options.showRowHeader = true;
myPivotTable.options.showColumnHeader = true;
myPivotTable.add("salesperson", "Salesperson", GC.Spread.Pivot.PivotTableFieldType.rowField);
myPivotTable.add("car", "Cars", GC.Spread.Pivot.PivotTableFieldType.rowField);
let groupInfo = { originFieldName: "date", dateGroups: [{ by: GC.Pivot.DateGroupType.quarters }] };
myPivotTable.group(groupInfo);
myPivotTable.add("季度 (date)", "季度 (date)",GC.Spread.Pivot.PivotTableFieldType.columnField);
myPivotTable.add("total", "Totals", GC.Spread.Pivot.PivotTableFieldType.valueField, GC.Pivot.SubtotalType.sum);
let itemList = ["Alan","John", "Tess"];
myPivotTable.labelFilter("Salesperson", { textItem: { list: itemList, isAll: false } });
let carList = ["Audi","BMW","Mercedes"];
myPivotTable.labelFilter("Cars", { textItem: { list: carList, isAll: false } });
let panel = new GC.Spread.Pivot.PivotPanel("myPivotPanel", myPivotTable, document.getElementById("panel"));
panel.sectionVisibility(GC.Spread.Pivot.PivotPanelSection.fields + GC.Spread.Pivot.PivotPanelSection.area);
myPivotTable.resumeLayout();
myPivotTable.autoFitColumn();
return myPivotTable;
}
function _getElementById(id) {
return document.getElementById(id);
}
function bindEvent(pt){
_getElementById("Serialize").addEventListener("click", function(event){
let info = JSON.stringify(pt.serialize(), null, 2);
_getElementById("serializeInfo").value = info;
});
_getElementById("Deserialize").addEventListener("click", function(event){
try {
let info = JSON.parse(_getElementById("serializeInfo").value);
pt.deserialize(info);
} catch (e) {
alert("invalid serialize info!");
}
});
}
<!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/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="$DEMOROOT$/spread/source/js/license.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 class="sample-panel">
<div id="panel"></div>
</div>
<div id="container" class="options-container">
<span><u>Serialize Info:</u></span>
<br />
<div class="option-row">Click the <b>Serialize</b> button to save the current state/view of the pivot table
data.</div>
<div class="option-row">You can make further changes to the pivot table fields, and click <b>Deserialize</b>
to restore the original data view.</div>
<br />
<input type="button" value="Serialize" class="set-option" id="Serialize">
<input type="button" value="Deserialize" class="set-option" id="Deserialize">
<br><br>
<textarea name="serializeInfo" id="serializeInfo" cols="30" rows="50"></textarea>
</div>
</div>
</body>
</html>
.sample-tutorial {
position: relative;
height: 100%;
}
.sample-spreadsheets {
width: calc(100% - 600px);
height: 100%;
overflow: hidden;
display: inline-block;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
overflow: hidden;
}
.sample-panel {
width: 292px;
padding: 1px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
display: inline-block;
}
.gc-panel {
padding: 10px;
background-color: rgb(230, 230, 230);
}
#panel {
right: 0;
width: 292px;
height: 100%;
top: 0;
}
#app {
height: 100%;
}
.options-container {
width: 292px;
padding: 1px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
display: inline-block;
}
.option-row {
font-size: 14px;
padding: 5px;
margin-top: 10px;
}
div > textarea {
overflow: scroll;
width: 100%;
height: calc(100% - 100px);
outline: none;
box-sizing: border-box;
}
div > span {
display: inline-block;
margin: 5px;
white-space: pre;
}
