jQWidgets jqxDataTable 更新() 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、经过优化、独立于平台且得到广泛支持的框架。 jqxDataTable用于读取和显示 HTML 表中的数据。这也用于显示来自各种数据源（如 XML、JSON、Array、CSV 或 TSV）的数据。

如果指定的数据表处于更新模式，则updates()方法用于返回true ，否则返回false 。此方法不接受任何参数。

句法：

$("#dataTable").jqxDataTable('updating');

返回值：此方法返回布尔值，即如果指定的数据表处于更新模式，则返回 true，否则返回false 。

链接文件：从给定链接下载 jQWidgets。在 HTML 文件中，找到下载文件夹中的脚本文件。

示例：下面的示例说明了 jQWidgets 的更新（）方法。

HTML

  

    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    


    
         
          GeeksforGeeks 
        
         
          jQWidgets jqxDataTable updating() Method 
        
        
        
        
        
        
    
    
        $(document).ready(function () {
            var Data = new Array();
            var Employee_Name = [
                "Ravi", "Sumit", "Amit"];
            var Company = [
                "GeeksforGeeks", "Amazon", "Google"];
            var Designation = [
                "Content Writer", "Software Engineer",
                "Data Analyst"];
  
            a = 0;
            while (a < 3) {
                var row = {};
                row["Employee_Name"] = Employee_Name[a];
                row["Company"] = Company[a];
                row["Designation"] = Designation[a]
                Data[a] = row;
                a++;
            }
  
            var Data_Source = {
                localData: Data,
                dataType: "array",
                dataFields: [{
                    name: 'Employee_Name',
                    type: 'string'
                }, {
                    name: 'Company',
                    type: 'string'
                }, {
                    name: 'Designation',
                    type: 'string'
                }]
            };
            var data_Adapter = 
                new $.jqx.dataAdapter(Data_Source);
            $("#Data_Table").jqxDataTable({
                width: 560,
                theme: 'energyblue',
                source: data_Adapter,
                editable: true,
                columns: [{
                    text: 'Employee_Name',
                    dataField: 'Employee_Name',
                    width: 210
                }, {
                    text: 'Company',
                    dataField: 'Company',
                    width: 150
                }, {
                    text: 'Designation',
                    dataField: 'Designation',
                    width: 200
                }]
            });
            $("#jqxbutton_for_beginUpdate").jqxButton({
                theme: 'energyblue',
                width: 250
            });
            $("#jqxbutton_for_endUpdate").jqxButton({
                theme: 'energyblue',
                width: 250
            });
            $("#jqxbutton_for_updating").jqxButton({
                theme: 'energyblue',
                width: 250
            });
            $('#jqxbutton_for_beginUpdate').
                   click(function () {
                $("#Data_Table").
                   jqxDataTable('beginUpdate');
            });
            $('#jqxbutton_for_endUpdate').
                   click(function () {
                $("#Data_Table").
                   jqxDataTable('endUpdate');
            });
            $('#jqxbutton_for_updating').
                   click(function () {
                   var Updating_Mode = $("#Data_Table").
                   jqxDataTable('updating');
                $("#log").html(JSON.stringify(
                                    Updating_Mode))
            });
        });
    

  

输出：

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