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kendo ui 实现MVVM

时间:2018-08-19 00:47:46      阅读:208      评论:0      收藏:0      [点我收藏+]

标签:ring   prevent   inpu   页面   rod   mob   type   common   sch   

MVVM                    model----view model----model 实现页面和model之间的动态绑定

 

grid 支持 events  source  visible绑定

 

第一步建立一个observable对象   对象为参数

       var viewModel = kendo.observable()

第二步实现视图与 viewModel绑定

 kendo.bind($("#example"), viewModel);  //jQuery对象

注意对某一属性设置值时使用

this.set("isDescriptionShown", true);
     showDescription: function(e) {
       e.stopPropagation(); 
    e.preventDefault();
        this.set("isDescriptionShown", true);  //给属性赋值
}


<!DOCTYPE html>
<html>
<head>
    <title></title>
    <link rel="stylesheet" href="styles/kendo.common.min.css" />
    <link rel="stylesheet" href="styles/kendo.default.min.css" />
    <link rel="stylesheet" href="styles/kendo.default.mobile.min.css" />

    <script src="js/jquery.min.js"></script>
    <script src="js/kendo.all.min.js"></script>
    

</head>
<body>
<div id="example">
    <div class="demo-section k-content wide">
        <div>
            <h4>Add or update a record</h4>
            <div data-role="grid"
                 data-editable="true"
                 data-toolbar="[‘create‘, ‘save‘]"
                 data-columns="[
                                 { ‘field‘: ‘ProductName‘, ‘width‘: 270 },
                                 { ‘field‘: ‘UnitPrice‘ },
                              ]"
                 data-bind="source: products,   //绑定的属性     
                            visible: isVisible,   //显示隐藏
                            events: {
                              save: onSave
                            }"
                 style="height: 200px"></div>
        </div>
        <div style="padding-top: 1em;">
            <h4>Console</h4>
            <div class="console"></div>
        </div>
    </div>
    <div class="box wide">
        <div class="box-col">
            <h4>Configuration</h4>
            <div>
                <label><input type="checkbox" data-bind="checked: isVisible">Visible</label>  //绑定的属性
            </div>
        </div>
        <div class="box-col">
            <h4>Information</h4>
            Kendo UI Grid supports the
            <a href="http://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/events">events</a>,
            <a href="http://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/source">source</a> and
            <a href="http://docs.telerik.com/kendo-ui/getting-started/framework/mvvm/bindings/visible">visible</a> bindings.
        </div>
    </div>
<script>
    var viewModel = kendo.observable({ //观察者 检测属性的变化
        isVisible: true,
        onSave: function(e) {
            kendoConsole.log("event :: save(" + kendo.stringify(e.values, null, 4) + ")");
        },
        products: new kendo.data.DataSource({
            schema: {  //图表
                model: {
                    id: "ProductID",
                    fields: {
                        ProductName: { type: "string" },
                        UnitPrice: { type: "number" }
                    }
                }
            },
            batch: true,  //批量的
            transport: {
                read: {
                    url: "https://demos.telerik.com/kendo-ui/service/products",
                    dataType: "jsonp"
                },
                update: {
                    url: "https://demos.telerik.com/kendo-ui/service/products/update",
                    dataType: "jsonp"
                },
                create: {
                    url: "https://demos.telerik.com/kendo-ui/service/products/create",
                    dataType: "jsonp"
                },
                parameterMap: function(options, operation) {
                    if (operation !== "read" && options.models) {
                        return {models: kendo.stringify(options.models)};
                    }
                }
            }
        })
    });
    kendo.bind($("#example"), viewModel);  //实现  视图和 viewModel的绑定
</script>
</div>


</body>
</html>

 

kendo ui 实现MVVM

标签:ring   prevent   inpu   页面   rod   mob   type   common   sch   

原文地址:https://www.cnblogs.com/baota/p/8983325.html

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