极客教程jQWidgets jqxGrid getsortinformation()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。jqxGrid被用来说明一个jQuery widget，它以表格形式显示数据。此外，它完全支持与数据的连接，以及分页、分组、排序、过滤和编辑。
getsortinformation()方法是用来返回排序信息的。它没有任何参数。它返回一个对象。
语法:
var sortinformation = $('#Selector').jqxGrid('getsortinformation');
返回排序后的列。
var sortcolumn = sortinformation.sortcolumn;
返回排序后的方向。
var sortdirection = sortinformation.sortdirection;
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-1.11.1.min.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/jqxmenu.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.selection.js”></script>
下面的例子说明了jQWidgets中的jqxGrid getsortinformation()方法。
示例:
<!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-1.11.1.min.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/jqxmenu.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxgrid.js"></script>
<script type="text/javascript"
src="jqwidgets/jqxgrid.selection.js"></script>
</head>
<body>
<center>
<h1 style="color: green;">
GeeksforGeeks
</h1>
<h3>jQWidgets jqxGrid getsortinformation() method</h3>
<br />
<div id="jqxg"></div>
<div>
<input type="button" id="jqxBtn"
style="margin-top: 25px;"
value="Click here" />
</div>
<div id="log"></div>
</center>
<script type="text/javascript">
(document).ready(function () {
var d = new Array();
var subjectNames = ["C++", "Scala",
"Java", "C", "R", "JavaScript"];
var pageNumber = ["7", "8", "12", "11", "10", "19"];
for (var j = 0; j<5; j++) {
var r = {};
r["subjectnames"] = subjectNames[
Math.floor(Math.random() * subjectNames.length)];
r["pagenumber"] = pageNumber[
Math.floor(Math.random() * pageNumber.length)];
d[j] = r;
}
var src = {
localdata: d,
datatype: "array",
sortcolumn: "subjectnames",
};
var data_Adapter = new.jqx.dataAdapter(src);
("#jqxg").jqxGrid({
source: data_Adapter,
columns: [
{
text: "Subject Name",
datafield: "subjectnames",
width: "100px",
},
{
text: "Page No.",
datafield: "pagenumber",
width: "140px",
},
],
});
("#jqxg").jqxGrid({
height: "220px",
width: "230px",
});
("#jqxBtn").jqxButton({
width: "100px",
height: "30px",
});
("#jqxBtn").on("click", function () {
var si = ("#jqxg").jqxGrid("getsortinformation");
var sc = si.sortcolumn;
("#log").html("Sorted_column: " + sc);
});
});
</script>
</body>
</html>
输出:
