jQWidgets jqxGrid列属性

jQWidgets jqxGrid列属性

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。

columns 属性用于设置显示的jqxGid的列。它是数组类型,其默认值是[]

该专栏的一些属性如下。

  • datafield。它是列的指定数据字段。
  • text。它是指定的列名。
  • displayfield。它显示指定列的字段。
  • sortable。它说明该列是否可排序。
  • filterable。它说明该列是否可过滤。
  • filter。它设置了该列的初始化过滤器。
  • columngroup。它决定了列的父组的名称。
  • enabletooltips:它决定是否启用工具提示。
  • exportable。它说明该列是否可导出。
  • editable。它说明该列是否可编辑。
  • groupable。它说明该列是否可分组。
  • resizable。它说明该列是否可调整大小。
  • draggable。它说明该列是否可拖动。
  • classname:它定义了类的名称。
  • cellclassname:它定义了单元格的类别名称。
  • width: 它定义了所述列的宽度。
  • menu。它定义了该列是否有一个弹出式菜单。

语法:

  • 设置columns属性。
$('Selector').jqxGrid({ column: [] });
  • 返回columns属性。
var columns = $('Selector').jqxGrid('columns');

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/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>

例子1:下面的例子说明了jQWidgets中jqxGrid columns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/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 columns 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',
                filterable: true,
                height: "240px",
                width: "240px",
                columns: [
                    {
                        text: "Subject Name",
                        columntype: "textbox",
                        filtertype: "input",
                        datafield: "subjectnames",
                        width: "120px",
                    },
                    {
                        text: "Page No.",
                        datafield: "pagenumber",
                        filtertype: "checkedlist",
                        width: "120px",
                    },
                ],
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxGrid列属性

例子2:下面是另一个例子,说明jqxGrid columns 属性在jQWidgets中通过设置其值为[]。这里,由于column字段是空的,所以没有数据被加载。

<!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 columns 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',
                height: "240px",
                width: "240px",
                columns: [],
            });
        });
    </script>
</body>
  
</html>

输出:

jQWidgets jqxGrid列属性

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