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jQWidgets jqxTreeGrid refresh()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。 jqxTreeGrid 用于表示 tree-like 结构中的数据。该小部件对于显示多列分层数据、数据分页、排序和过滤、数据编辑、列大小调整、固定列、条件格式、聚合和行选择非常有用。这些小部件还可以读取和显示来自任何类型数据源(例如 XML、JSON、Array、CSV 或 TSV)的数据。

refresh() 方法用于刷新更新后的 HTML 元素的名称、位置和大小。

用法:

$("#treeGrid").jqxTreeGrid('refresh');

参数：该方法不接受任何参数。

返回值：该方法不返回任何值。

链接文件：从给定链接下载 https://www.jqwidgets.com/download/。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.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>

例子：下面的例子说明了jQWidgets jqxTreeGridrefresh()方法。

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 refresh() Method 
        </h3> 
        <div id="jqxTreeGrid" style="margin: 25px;"></div> 
        <input type="button" style="margin: 20px;" 
            id="button_for_refresh" 
            value="Refresh the above jqxTreeGrid" /> 
  
        <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, 
                    editable: true, 
                    ready: function () { 
                        $("#jqxTreeGrid").jqxTreeGrid("expandRow", "1"); 
                        $("#jqxTreeGrid").jqxTreeGrid("expandRow", "3"); 
                    }, 
                    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, 
                        }, 
                    ], 
                }); 
                $("#button_for_refresh").jqxButton({ 
                    width: 250, 
                    height: 35, 
                }); 
                $("#button_for_refresh").click(function () { 
                    $("#jqxTreeGrid").jqxTreeGrid("refresh"); 
                }); 
            }); 
        </script> 
    </center> 
</body> 
  
</html>

输出：

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



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注：本文由纯净天空筛选整理自Kanchan_Ray大神的英文原创作品 jQWidgets jqxTreeGrid refresh() Method。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。