Kendo UI目前最新提供Kendo UI for jQuery、Kendo UI for Angular、Kendo UI Support for React和Kendo UI Support for Vue四个控件。Kendo UI for jQuery是创建现代Web应用程序的最完整UI库。
Kendo UI Filter小部件是一个统一的控件，用于筛选具有数据源的数据绑定组件。
Filter提供用于定义将在过滤下拉列表中显示哪些过滤器运算符的选项。operators字段采用带有每种字段类型可用操作符的文字，您可以列出所需的操作符及其文本。
下面的示例演示如何设置等于和包含字符串字段的过滤器运算符，以及如何将数字字段的大于和小于过滤器运算符设置为字符串字段。
<div id="filter"></div><ul id="listView"></ul>
<script type="text/x-kendo-template" id="item">
<li>
<strong>#= name #</strong>, aged #= age #, is on vacation: #= isOnLeave #
</li>
</script>
<script>
$(document).ready(function () {
var dataSource = new kendo.data.DataSource({
data: [
{ name: "Jane Doe", age: "25", isOnLeave: false },
{ name: "John Doe", age: "33", isOnLeave: true },
{ name: "John Smith", age: "37", isOnLeave: true },
{ name: "Nathan Doe", age: 42, isOnLeave: false }
],
schema: {
model: {
fields: {
name: { type: "string" },
age: { type: "number" },
isOnLeave: { type: "boolean" }
}
}
}
});
$("#filter").kendoFilter({
dataSource: dataSource,
operators: {
string: {
eq: kendo.ui.Filter.fn.options.operators.string.eq, // Take the default Kendo UI text.
contains: "Partially Matches" // Define a custom text.
},
number: {
gte: "Larger Than", // Define a custom text.
lt: kendo.ui.Filter.fn.options.operators.number.lt // Take the default Kendo UI text.
}
},
expressionPreview: true, // Shows a text preview of the filter expression.
applyButton: true, // Shows the built-in Apply button.
fields: [ // Defining the fields is not mandatory. Otherwise, they will be taken from the data source schema.
// If you define the fields, their names and types must match the data source definition.
{ name: "name", type: "string", label: "Name" },
{ name: "age", type: "number", label: "Age" },
{ name: "isOnLeave", type: "boolean", label: "On Vacation" }
],
expression: { // Defining an initial filter expression is not required.
logic: "and",
filters: [
{ field: "age", value: 30, operator: "gte" },
{ field: "name", value: "Doe", operator: "contains" }
]
}
}).data("kendoFilter").applyFilter();
// Chain the method call to immediately apply filtering after the widget initialization because an initial filter is set.
$("#listView").kendoListView({
dataSource: dataSource,
template: kendo.template($("#item").html())
});
});
</script>
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