Kendo UI控件的透视网格可动态更改数据源，让web开发更简单

Kendo UI for jQuery R2 2021试用版下载

Kendo UI是带有jQuery、Angular、React和Vue库的JavaScript UI组件的最终集合，无论选择哪种JavaScript框架，都可以快速构建高性能响应式Web应用程序。通过可自定义的UI组件，Kendo UI可以创建数据丰富的桌面、平板和移动Web应用程序。通过响应式的布局、强大的数据绑定、跨浏览器兼容性和即时使用的主题，Kendo UI将开发时间加快了50%。

以下示例演示如何动态更改 Kendo UI PivotGrid 小部件的数据源。

<script src="https://demos.telerik.com/kendo-ui/content/shared/js/products.js"></script>

<div id="example">
<button id="change">Change DS</button>
<div id="pivotgrid"></div>

<script>
$(document).ready(function () {
$("#pivotgrid").kendoPivotGrid({
columnWidth: 120,
height: 570,
dataSource: {
data: products,
schema: {
model: {
fields: {
ProductName: { type: "string" },
UnitPrice: { type: "number" },
UnitsInStock: { type: "number" },
Discontinued: { type: "boolean" },
CategoryName: { field: "Category.CategoryName" }
}
},
cube: {
dimensions: {
ProductName: { caption: "All Products" },
CategoryName: { caption: "All Categories" },
Discontinued: { caption: "Discontinued" }
},
measures: {
"Sum": { field: "UnitPrice", format: "{0:c}", aggregate: "sum" }
}
}
},
columns: [{ name: "CategoryName", expand: true }, { name: "ProductName" } ],
rows: [{ name: "Discontinued", expand: true }],
measures: ["Sum"]
}
});

$("#change").click(function() {
var newDS = new kendo.data.PivotDataSource({
data: products,
schema: {
model: {
fields: {
ProductName: { type: "string" },
UnitPrice: { type: "number" },
UnitsInStock: { type: "number" },
Discontinued: { type: "boolean" },
CategoryName: { field: "Category.CategoryName" }
}
},
cube: {
dimensions: {
ProductName: { caption: "All Products" },
CategoryName: { caption: "All Categories" },
Discontinued: { caption: "Discontinued" }
},
measures: {
"Sum": { field: "UnitPrice", format: "{0:c}", aggregate: "sum" }
}
}
},
columns: [{ name: "Discontinued", expand: true }],
rows: [{ name: "CategoryName", expand: true }, { name: "ProductName" } ],
measures: ["Sum"]
});

$("#pivotgrid").data("kendoPivotGrid").setDataSource(newDS);
});
});
</script>
</div>

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