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jQWidgets jqxGrid virtualmode属性用法及代码示例


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、优化、独立于平台且得到广泛支持的框架。这江青网格用于说明以表格形式显示数据的 jQuery 小部件。此外,它还全面支持数据连接、分页、分组、排序、过滤和编辑。

virtualmode 属性用于激活或停用显示的 jqxGrid 的虚拟模式。布尔类型,默认值为“false”。

用法:

  • 设置 虚拟模式属性:
$('Selector').jqxGrid({ virtualmode: true });
  • 返回虚拟模式属性:
var virtualmode = $('Selector').jqxGrid('virtualmode');

链接文件:下载jQWidgets从给定的链接。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>

示例 1:下面的例子说明了jqxGrid虚拟模式jQWidgets 中的属性。

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 virtualmode 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"]; 
            var gd = function (beginindex, endindex) { 
                var d = {}; 
  
                for (var j = beginindex; j < endindex; j++) { 
                    var r = {}; 
                    r["subjectnames"] = 
                        subjectNames[(Math.floor( 
                            Math.random() * subjectNames.length)) 
                        ]; 
  
                    r["pagenumber"] = 
                        pageNumber[(Math.floor( 
                            Math.random() * pageNumber.length)) 
                        ]; 
                    d[j] = r; 
  
                } 
                return d; 
            } 
  
            var src = { 
                localdata: {}, 
                datatype: "array", 
                totalrecords: 50, 
            }; 
            var rgr = function (p) { 
                var d = gd(p.startindex, p.endindex); 
                return d; 
            } 
            var data_Adapter = new $.jqx.dataAdapter(src); 
            $("#jqxg").jqxGrid({ 
                source: data_Adapter, 
                theme: 'energyblue', 
                sortable: true, 
                virtualmode: true, 
                pageable: true, 
                rendergridrows: rgr, 
                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 vm = $('#jqxg').jqxGrid('virtualmode'); 
                $('#log').text(vm); 
            }); 
        }); 
    </script> 
</body> 
  
</html>

输出:

示例 2:以下代码设置 虚拟模式属性为“false”。

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 virtualmode  
            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"]; 
            var gd = function (beginindex, endindex) { 
                var d = {}; 
  
                for (var j = beginindex; j < endindex; j++) { 
                    var r = {}; 
                    r["subjectnames"] = 
                        subjectNames[(Math.floor( 
                            Math.random() * subjectNames.length)) 
                        ]; 
  
                    r["pagenumber"] = 
                        pageNumber[(Math.floor( 
                            Math.random() * pageNumber.length)) 
                        ]; 
                    d[j] = r; 
  
                } 
                return d; 
            } 
  
            var src = { 
                localdata: {}, 
                datatype: "array", 
                totalrecords: 50, 
            }; 
            var rgr = function (p) { 
                var d = gd(p.startindex, p.endindex); 
                return d; 
            } 
            var data_Adapter = new $.jqx.dataAdapter(src); 
            $("#jqxg").jqxGrid({ 
                source: data_Adapter, 
                theme: 'energyblue', 
                sortable: true, 
                virtualmode: false, 
                pageable: true, 
                rendergridrows: rgr, 
                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 vm = $('#jqxg').jqxGrid('virtualmode'); 
                if (vm === true) { 
                    $('#log').text("Virtual mode!"); 
                } 
                else { 
                    $('#log').text("False!"); 
                } 
            }); 
        }); 
    </script> 
</body> 
  
</html>

输出:

参考: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxgrid/jquery-grid-api.htm?search=



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注:本文由纯净天空筛选整理自nidhi1352singh大神的英文原创作品 jQWidgets jqxGrid virtualmode Property。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。