极客教程jQWidgets jqxTreeGrid getRows()方法
jQWidgets是一个JavaScript框架，用于为PC和移动设备制作基于Web的应用程序。它是一个非常强大的、优化的、与平台无关的、并被广泛支持的框架。jqxTreeGrid用于以树状结构表示数据。这个部件对于显示多列的分层数据、数据分页、排序和过滤、数据编辑、列大小调整、固定列、条件格式化、聚合和行选择都很有用。这些小组件还可以从任何类型的数据源中读取和显示数据，如XML、JSON、Array、CSV或TSV。
getRows()方法用于返回指定jqxTreeGrid的行数组。在返回的行数组中有一些保留的成员。
- checked。返回该行的检查状态。它接受布尔值。
- expanded:返回该行的扩展状态。它接受布尔值。
- icon。返回该行的图标URL。它接受字符串值。
- leaf。返回该行的叶子在层次结构中的存在性。它接受布尔值。
- level。返回该行的层次结构级别。它接受整数值。
- parent: 它对根行返回null，否则返回父行的对象。它接受该对象。
- records。这是一个数组。这里，将返回该行的子行集合。
- selected:返回该行的选定状态。它接受布尔值。
- uid。返回该行的唯一ID或密钥。它可以是数字或字符串值。
语法:
$('Selector').jqxTreeGrid('getRows');
参数：该方法不接受任何参数。
返回值：该方法返回一个指定的jqxTreeGrid的数组。
链接的文件：从给出的链接中下载jQWidgets。在HTML文件中，找到下载文件夹中的脚本文件。
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdatatable.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxtreegrid.js”></script>
例子：下面的例子说明了jQWidgets jqxTreeGrid getRows()方法。
<!DOCTYPE html>
<html lang="en">
<head>
<link rel="stylesheet"
href="
jqwidgets/styles/jqx.base.css"
type="text/css"/>
<script type="text/javascript"
src="scripts/jquery.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxcore.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxdata.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxbuttons.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxscrollbar.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxlistbox.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxdropdownlist.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxdatatable.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxtreegrid.js">
</script>
</head>
<body>
<center>
<h1 style="color: green">GeeksforGeeks</h1>
<h3>
jQWidgets jqxTreeGrid getRows() Method
</h3>
<div id="jqxTreeGrid"
style="margin: 25px">
</div>
<input
type="button"
style="margin: 20px"
id="button_for_getRows"
value="Get the details of all the Rows"/>
<div id="log"></div>
<script type="text/javascript">
(document).ready(function () {
var A = [
{
ID: 1,
Employee_Name: "Amit",
Company: "GeeksforGeeks",
Designation: "Content Writer",
expanded: true,
A1: [
{
ID: 2,
Employee_Name: "Sumit",
Company: "Amazon",
Designation: "Software Engineer",
},
{
ID: 3,
Employee_Name: "Vivek",
Company: "Apple",
Designation: "Product Manager",
expanded: true,
A1: [
{
ID: 4,
Employee_Name: "Soni",
Company: "Flipkart",
Designation: "HR",
},
],
},
],
},
];
var Data_Source = {
dataFields: [
{
name: "ID",
},
{
name: "Employee_Name",
},
{
name: "Company",
},
{
name: "Designation",
},
{
name: "A1",
type: "array",
},
{
name: "expanded",
},
],
hierarchy: {
root: "A1",
},
id: "ID",
localData: A,
};
var Data = new.jqx.dataAdapter(Data_Source);
("#jqxTreeGrid").jqxTreeGrid({
source: Data,
editable: true,
ready: function () {
("#jqxTreeGrid").jqxTreeGrid("expandRow", "1");
("#jqxTreeGrid").jqxTreeGrid("expandRow", "3");
},
columns: [
{
text: "Employee_Name",
align: "center",
dataField: "Employee_Name",
width: 140,
},
{
text: "Company",
align: "center",
dataField: "Company",
width: 150,
},
{
text: "Designation",
align: "center",
dataField: "Designation",
width: 150,
},
],
});
("#button_for_getRows").jqxButton({
width: 300,
height: 35,
});
("#jqxTreeGrid").jqxTreeGrid("selectRow", 1);
("#button_for_getRows").click(function () {
var Row_Details = ("#jqxTreeGrid").jqxTreeGrid("getRows");
var rd = "";
var tT = function (Row_Details) {
for (var i = 0; i("#log").html(rd);
});
});
</script>
</center>
</body>
</html>
输出:
