一个数据对象单元格类型接受1个参数format，一个格式字符串，包含PROPERTY函数或点运算符。
它决定如何显示单元格的值，其类型是作为字符串的对象。
这是该类的定义。
这是示例代码。
/*REPLACE_MARKER*/
/*DO NOT DELETE THESE COMMENTS*/
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
initSpread(spread);
};
function initSpread(spread) {
spread.suspendPaint();
var sheet = spread.getActiveSheet();
sheet.setColumnWidth(1, 500);
//set a DataObject celltype which uses WEBSERVICE function to provide data
sheet.setFormula(1, 1, '=FILTERJSON(WEBSERVICE("https://demodata.grapecity.com/northwind/api/v1/Products/1"))');
var cellType1 = new GC.Spread.Sheets.CellTypes.DataObject('=@.productName & " " & @.unitPrice');
sheet.setCellType(1, 1, cellType1);
var baseApiUrl = getBaseApiUrl();
var dataManager = spread.dataManager();
var productTable = dataManager.addTable("productTable", {
remote: {
read: {
url: baseApiUrl + "/Product"
}
}
});
productTable.primaryKey("id");
var supplierTable = dataManager.addTable("supplierTable", {
remote: {
read: {
url: baseApiUrl + "/Supplier"
}
}
});
dataManager.addRelationship(productTable, "SupplierId", "supplier", supplierTable, "Id", "products");
Promise.all([productTable.fetch(), supplierTable.fetch()]).then(function () {
spread.suspendPaint();
//set a DataObject celltype which use QUERY function to provide data
sheet.setFormula(2, 1, '=QUERY("productTable?Id=1",,true)');
var cellType2 = new GC.Spread.Sheets.CellTypes.DataObject('=IFERROR(@.ProductName & " " & @.UnitPrice, "")');
sheet.setCellType(2, 1, cellType2);
spread.resumePaint();
});
spread.resumePaint();
}
function getBaseApiUrl() {
return window.location.href.match(/http.+spreadjs\/SpreadJSTutorial\//)[0] + 'server/api';
}
<!doctype html>
<html style="height:100%;font-size:14px;">
<head>
<meta charset="utf-8" />
<meta name="spreadjs culture" content="zh-cn" />
<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">
<!-- Promise Polyfill for IE, https://www.npmjs.com/package/promise-polyfill -->
<script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"></script>
<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-tablesheet/dist/gc.spread.sheets.tablesheet.min.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 id="optionContainer" class="optionContainer">
</div>
</div>
</html>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: 0;
}
.sample-spreadsheets {
width: 100%;
height: 100%;
overflow: hidden;
float: left;
}
