jQWidgets jqxGrid renderaggregates()方法

jQWidgets jqxGrid renderaggregates()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,并且被广泛支持的框架。jqxGrid用来说明一个jQuery widget,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。

renderaggregates()方法是用来在显示的jqxGrid的状态栏中渲染聚合。它没有参数,也不返回任何东西。

语法:

$('#Selector').jqxGrid('renderaggregates');

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>
<script type=”text/javascript” src=”jqwidgets/jqx-all.js”></script>

例子:下面的例子说明了jQWidgets中jqxGrid renderaggregates()方法。

<!DOCTYPE html>
<html lang="en">
  
<head>
    <link rel="stylesheet" type="text/css" 
          href="jqwidgets/styles/jqx.base.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/jqx-all.js">
    </script> 
</head>
  
<body>
    <center>
        <h1 style="color: green">
            GeeksforGeeks
        </h1>
        <h3>jQWidgets jqxGrid renderaggregates()
            method</h3>
        <div id="jqxg"></div>
        <div>
            <input type="button" id="jqxBtn" 
                   style="margin-top: 25px" 
                   value="Click here" />
        </div>
        <br />
        <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",
            };
            var data_Adapter = new.jqx.dataAdapter(src);
            ("#jqxg").jqxGrid({
                source: data_Adapter,
                showstatusbar: true,
                showaggregates: true,
                columns: [{
                    text: "Subject Name",
                    datafield: "subjectnames",
                    width: "100px",
                    aggregates: ['count']
                }, {
                    text: "Page No.",
                    datafield: "pagenumber",
                    width: "140px",
                    aggregates: ['sum']
                },],
            });
            ("#jqxg").jqxGrid({
                height: "220px",
                width: "230px",
            });
            ("#jqxBtn").jqxButton({
                width: "100px",
                height: "30px",
            });
            ("#jqxBtn").on("click", function () {
                ("#jqxg").jqxGrid('renderaggregates');
                ("#log").text("Aggregates rendered!");
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxGrid renderaggregates()方法

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