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SpreadJS支持Knockout。
Knockout是一个JavaScript MVVM库,使用JavaScript和HTML可以更轻松地创建丰富的,类似于桌面的用户界面。 淘汰赛使用观察者使UI自动与基础数据模型保持同步,并提供一组功能强大且可扩展的声明性绑定。
Knockout绑定包括两个项目,绑定名称和值,以冒号分隔。 例如:
使用Knockout时,SpreadJS需要自定义绑定。 参考https://knockoutjs.com/documentation了解自定义绑定的更多信息。SpreadJS绑定名称为 gc-spread-sheets 。
本示例创建一个自定义绑定。
//首先定义绑定值。
//定义ViewModel
function Product(id, name, price, discontinued) {
this.id = ko.observable(id);
this.name = ko.observable(name);
this.price = ko.observable(price);
this.discontinued = ko.observable(discontinued);
}
var ViewModel = function (items) {
this.items = ko.observableArray(items);
};
//创建 ViewModel
var initialData = [
new Product(104, "Computers", 262, false),
new Product(95, "Washers", 709, true)
];
var viewModel = new ViewModel(initialData);
//应用绑定
$(function () {
ko.applyBindings(viewModel);
});
//使用Knockout将SpreadJS绑定到html元素。
<div id="ss" data-bind="gc-spread-sheets: {
sheetCount: 1,
tabStripVisible: false,
sheets: [
{
data: items,
columns: [
{ displayName: 'ID', name: 'id', size: 80},
{ displayName: 'Name', name: 'name', size: 120},
{ displayName: 'Price', name: 'price', size: 80},
{ displayName: 'Discontinued', name: 'discontinued', size: 120}
]
}
]
}" style="width:100%; height:400px;border: 1px solid gray;"></div>