jQWidgets是一個 JavaScript 框架，用於為 PC 和移動設備製作基於 Web 的應用程序。它是一個非常強大、優化、獨立於平台且得到廣泛支持的框架。這江青網格用於說明以表格形式顯示數據的 jQuery 小部件。此外，它還全麵支持數據連接、分頁、分組、排序、過濾和編輯。
scrollfeedback 屬性是一個回調函數，用於在網格中顯示的滾動條附近顯示自定義工具提示，以及將scrollmode 屬性值設置為“deferred” 的條件。它是函數類型，默認值為null。
用法:
- 設置滾動反饋屬性：
$('Selector').jqxGrid({ scrollfeedback: null });
- 返回滾動反饋屬性：
var scrollfeedback = $('Selector').jqxGrid('scrollfeedback');
鏈接文件：下載jQWidgets從給定的鏈接。在 HTML 文件中，找到下載文件夾中的腳本文件。
<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/jqx-all.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>
示例 1：下麵的例子說明了jqxGrid滾動反饋jQWidgets 中的屬性。
HTML
<!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>
<script type="text/javascript"
src="jqwidgets/jqxgrid.columnsresize.js">
</script>
</head>
<body>
<center>
<h1 style="color: green">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxGrid scrollfeedback
property
</h3><br />
<div id="jqxg"></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 < 50; 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);
$("#jqxg").jqxGrid({
source: data_Adapter,
theme: 'energyblue',
sortable: true,
scrollmode: 'deferred',
scrollfeedback: function (r) {
var c = ['subjectnames', 'pagenumber'];
var t = "<table>";
for (var j = 0; j < c.length; j++) {
var fld = c[j];
var celval = r[fld];
t += "<td>" + celval + "</td>";
}
return t;
},
height: "220px",
width: "240px",
columns: [
{
text: "Subject Name",
datafield: "subjectnames",
width: "120px",
},
{
text: "Page No.",
datafield: "pagenumber",
width: "120px",
},
],
});
});
</script>
</body>
</html>輸出：
示例 2：下麵的例子說明了jqxGrid滾動反饋jQWidgets 中的屬性，將其值設置為 null。
HTML
<!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>
<script type="text/javascript"
src="jqwidgets/jqxgrid.columnsresize.js">
</script>
</head>
<body>
<center>
<h1 style="color: green">
GeeksforGeeks
</h1>
<h3>
jQWidgets jqxGrid scrollfeedback
property
</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 < 50; 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);
$("#jqxg").jqxGrid({
source: data_Adapter,
theme: 'energyblue',
sortable: true,
scrollmode: 'deferred',
scrollfeedback: null,
height: "260px",
width: "240px",
columns: [
{
text: "Subject Name",
datafield: "subjectnames",
width: "120px",
},
{
text: "Page No.",
datafield: "pagenumber",
width: "120px",
},
],
});
$("#jqxBtn").jqxButton({
width: "180px",
height: "30px",
});
$("#jqxBtn").on("click", function () {
var sf = $('#jqxg').jqxGrid('scrollfeedback');
if (sf === null) {
$('#log').text(sf);
}
else {
$('#log').text("Not null!");
}
});
});
</script>
</body>
</html>輸出：
相關用法
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注：本文由純淨天空篩選整理自nidhi1352singh大神的英文原創作品 jQWidgets jqxGrid scrollfeedback Property。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。