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jqxTreeGrid用於表示tree-like結構中的數據。該小部件對於顯示多列分層數據、數據分頁、排序和過濾、數據編輯、列大小調整、固定列、條件格式、聚合和行選擇非常有用。這些小部件還可以讀取和顯示來自任何類型數據源(例如 XML、JSON、Array、CSV 或 TSV)的數據。
renderToolbar 屬性是一個回調函數，用於個性化顯示的 jqxTreeGrid 工具欄的返回。它是Function類型，默認值為null。
用法:
- 設置渲染工具欄屬性：
$('Selector').jqxTreeGrid({ renderToolbar: null });
- 返回渲染工具欄屬性：
var renderToolbar = $('Selector').jqxTreeGrid('renderToolbar');
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.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>
示例 1：下麵的例子說明了jqxTreeGrid渲染工具欄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.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 renderToolbar Property
</h3>
<div id="jqxTreeGrid" style="margin: 25px;">
</div>
<input type="button" style="margin: 29px;"
id="jqxbtn" value="Click here" />
<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,
showToolbar: true,
renderToolbar: function (tb) {
$('#jqxbtn').click(function () {
var hold = $("<div></div>");
var r = $("<span>---Toolbar---</span>");
tb.append(hold);
hold.append(r);
$("#log").text("Toolbar rendered!")
});
},
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
}]
});
$("#jqxbtn").jqxButton({
width: 270
})
});
</script>
</center>
</body>
</html>輸出：
示例 2：下麵是jqxTreeGrid的另一個例子渲染工具欄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.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 renderToolbar Property
</h3>
<div id="jqxTreeGrid" style="margin: 25px;">
</div>
<input type="button" style="margin: 29px;"
id="jqxbtn" value="Click here" />
<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,
showToolbar: true,
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
}]
});
$("#jqxbtn").jqxButton({
width: 270
})
$("#jqxbtn").on("click", function () {
var rt =
$('#jqxTreeGrid').jqxTreeGrid('renderToolbar');
if (rt === null) {
$('#log').text("Null!");
}
else {
$('#log').text("Not null!");
}
});
});
</script>
</center>
</body>
</html>輸出：
相關用法
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- jQWidgets jqxTreeGrid sortBy()用法及代碼示例
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- jQWidgets jqxTreeGrid goToPage()用法及代碼示例
- jQWidgets jqxTreeGrid showAggregates屬性用法及代碼示例
- jQWidgets jqxTreeGrid pagerMode屬性用法及代碼示例
- jQWidgets jqxTreeGrid expandRow()用法及代碼示例
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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 jqxTreeGrid renderToolbar 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。