jQWidgets jqxDataTable源属性
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。
source属性用于指定显示的jqxDataTable的数据源。这个属性的目的是指向jqxDataAdapter的一个原型。此外,为了删除数据源,需要将此属性设置为null。它是对象类型的,它的默认值是null。
语法:
设置源属性。
$('Selector').jqxDataTable({ source: null });
返回源属性。
var source = $('Selector').jqxDataTable('source');
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1:下面的例子说明了jQWidgets中的jqxDataTable source属性。
<!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/jqxlistbox.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxdropdownlist.js">
</script>
<script type="text/javascript"
src="jqwidgets/jqxdatatable.js">
</script>
</head>
<body>
<center>
<h1 style="color: green">
GeeksforGeeks
</h1>
<h3>jQWidgets jqxDataTable
source Property
</h3>
<div id="jqxdt"></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<26; 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",
};
var data_Adapter = new.jqx.dataAdapter(src);
$("#jqxdt").jqxDataTable({
source: data_Adapter,
pageable: true,
height: 170,
columns: [
{
text: "Subject Name",
datafield: "subjectnames",
width: "120px",
},
{
text: "Page No.",
datafield: "pagenumber",
width: "120px",
},
],
});
});
</script>
</body>
</html>
输出:
例子2:下面是jQWidgets中jqxDataTable source属性的另一个例子。
<!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>
</head>
<body>
<center>
<h1 style="color: green">
GeeksforGeeks
</h1>
<h3>jQWidgets jqxDataTable
source Property
</h3>
<div id="jqxdt"></div>
<br>
<input type="button" style="margin:29px;"
id="jqxbtn" value="Click here" />
<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<6; 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",
};
var data_Adapter = new.jqx.dataAdapter(src);
("#jqxdt").jqxDataTable({
source: data_Adapter,
height: 170,
columns: [
{
text: "Subject Name",
datafield: "subjectnames",
width: "120px",
},
{
text: "Page No.",
datafield: "pagenumber",
width: "120px",
},
],
});
("#jqxbtn").jqxButton({
width: 280
});
("#jqxbtn").on("click", function () {
var s =('#jqxdt')
.jqxDataTable('source');
if (s === null) {
('#log').text("Null!");
}
else {
('#log').text("Not null!");
}
});
});
</script>
</body>
</html>
输出: