极客教程jQWidgets jqxDataTable sortBy()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。jqxDataTable是用来读取和显示HTML表的数据的。这也被用来显示来自各种数据源的数据，如XML、JSON、Array、CSV或TSV。
sortBy()方法用于对指定的列进行排序，如果sortable被设置为true。
语法:
$("#dataTable").jqxDataTable('sortBy', 'dataField', 'sortOrder');
参数：该方法接受两个参数，如下图所示。
- dataField。这是指定的列名，将根据它来执行排序。
- sortOrder。这是排序顺序的字符串。它的值是’asc’（升序）、’desc’（降序）或空。
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>
例子：下面的例子说明了jQWidgets sortBy()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>
(document).ready(function () {
var data = new Array();
var Employee_Name = ["Ravi",
"Sumit", "Amit", "Aakash"];
var Company = ["GeeksforGeeks",
"Amazon", "Google", "GeeksforGeeks"];
var Designation = ["Content Writer",
"Software Engineer",
"Data Scientist", "HR"];
a = 0;
while (a<4) {
var row = {};
row["Employee_Name"] = Employee_Name[a];
row["Company"] = Company[a];
row["Designation"] = Designation[a];
data[a] = row;
a++;
}
var source = {
localData: data,
dataType: "array",
dataFields: [
{
name: "Employee_Name",
type: "string",
},
{
name: "Company",
type: "string",
},
{
name: "Designation",
type: "string",
},
],
};
var dataAdapter = new.jqx.dataAdapter(source);
("#table").jqxDataTable({
width: 550,
theme: "energyblue",
editable: true,
sortable: true,
source: dataAdapter,
columns: [
{
text: "Employee_Name",
dataField: "Employee_Name",
width: 200,
},
{
text: "Company",
dataField: "Company",
width: 160,
},
{
text: "Designation",
dataField: "Designation",
width: 190,
},
],
});
("#jqxbutton").jqxButton({
theme: "energyblue",
height: 30,
});
("#jqxbutton").click(function () {
("#table").jqxDataTable(
"sortBy", "Employee_Name", "asc");
});
});
</script>
</head>
<body>
<center>
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxDataTable sortBy() Method
</h3>
<div id="table"></div>
<input type="button" style="margin: 20px;"
id="jqxbutton" value="Sort the first column" />
</center>
</body>
</html>
输出:
