jQWidgets jqxChart showLegend属性

jQWidgets jqxChart showLegend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。它是一个非常强大和优化的框架,与平台无关,并得到广泛支持。jqxChart是一个100%用javascript编写的轻量级和强大的图表小工具。它提供了许多先进的功能,并支持三种不同的渲染技术 – SVG, HTML5 Canvas & VML。

showLegend属性用于设置或返回showLegend属性,即该属性用于启用或禁用图表的图例。它接受布尔类型的值,默认值为false。

语法:

  • 它用于设置showLegend属性。
$('Selector').jqxChart({ showLegend : boolean});
  • 它用于返回showLegend属性。
var showLegend = $('Selector').jqxChart('showLegend');

链接的文件:从链接中下载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/jqxchart.core.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdraw.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>

例子:下面的例子说明了jQWidgets中jqxChart showLegend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/jqxchart.core.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxdraw.js"></script>
    <script type="text/javascript" 
        src="jqwidgets/jqxdata.js"></script>
</head>
  
<body>
    <center>
        <h1 style="color: green">
          GeeksforGeeks
        </h1>
        <h3>jQWidgets jqxChart showLegend Property</h3>
        <div class='default'></div>
        <div id='chartContainer' 
            style="width:600px; height: 400px">
        </div>
    </center>
      
    <script type="text/javascript">
        (document).ready(function () {
            var json = [
                { Day:'Monday', A:3, B:1, C: 2, D:1},
                { Day:'Tuesday', A:3, B:1, C: 2, D:1},
                { Day:'Wednesday', A:3, B:1, C: 2, D:1},
                { Day:'Thursday', A:3, B:1, C: 2, D:1},
                { Day:'Friday', A:3, B:1, C: 2, D:1},
                { Day:'Saturday', A:3, B:1, C: 2, D:1},
                { Day:'Sunday', A:3, B:1, C: 2, D:1}
            ];
                  
            var obj = {
                title: "Coding Score",
                description: "Coding Questions Solved Daily",
                source: json,
                showLegend: false,
                padding: { left: 50, top: 30, 
                     right: 50, bottom: 30 },
                categoryAxis: {
                    dataField: 'Day',
                    showGridLines: true
                },
                seriesGroups: [{
                    type: 'column',
                    columnsGapPercent: 30,
                    seriesGapPercent: 0,
                    valueAxis: {
                        minValue: 0,
                        maxValue: 10,
                        unitInterval: 10,
                        description: 'Questions Solved'
                    },
                    series: [
                        { dataField: 'A', displayText: 'A'},
                        { dataField: 'B', displayText: 'B'},
                        { dataField: 'C', displayText: 'C'},
                        { dataField: 'D', displayText:'D' }
                    ]
                }]
            };
            ('#chartContainer').jqxChart(obj);
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxChart showLegend属性

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