jQWidgets jqxDataTable applyFilters() 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。

applyFilters()方法用于应用添加或删除的过滤器。该函数不接受任何参数。

句法：

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

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 applyFilters()方法。在此示例中，数据表内容正在根据公司名称“GeeksforGeeks”进行过滤。

HTML

   
      
      
      
      
      
      
      
      
      
      
         $(document).ready(function () {
             var data = new Array();
             var Employee_Name = [
                  "Ravi", "Sumit", "Amit", "Aakash"];
             var Company = [
               "GeeksforGeeks",
               "Amazon", "Google",
               "GeeksforGeeks"];
             var Designation = [
               "Content Writer", "Software Engineer", 
               "Data Scientist", "HR"];
           
         for (var i = 0; i < 4; i++) {
             var row = {};
             row["Employee_Name"] = Employee_Name[i];
             row["Company"] = Company[i];
             row["Designation"] = Designation[i]
             data[i] = row;
         }
           
         var source = {
             localData: data,
             dataType: "array",
             dataFields: [{
                 name: 'Employee_Name',
                 type: 'string'
             }, {
                 name: 'Company',
                 type: 'string'
             }, {
                 name: 'Designation',
                 type: 'string'
             }]
         };
           
         var dataAdapter = 
             new $.jqx.dataAdapter(source);
         $("#table").jqxDataTable({
             width: 550,
             theme: 'energyblue',
             pageable: true,
             editable: true,
             source: dataAdapter,
             columns: [{
                 text: 'Employee_Name',
                 dataField: 'Employee_Name',
                 width: 200
             }, {
                 text: 'Company',
                 dataField: 'Company',
                 width: 160
             }, {
                 text: 'Designation',
                 dataField: 'Designation',
                 width: 190
             }]
         });
         $("#jqxbutton").jqxButton({
             theme: 'energyblue',
             width: 200,
             height: 30
         });
         $('#jqxbutton').click(function () {
             var filtertype = 'stringfilter';
             var filtergroup = new $.jqx.filter();
             var filter_or_operator = 1;
             var filtervalue = "GeeksforGeeks";
             var filtercondition = 'equal';
             var filter = filtergroup.createfilter(
               filtertype, filtervalue, filtercondition);
             filtergroup.addfilter(filter_or_operator, filter);
             $("#table").jqxDataTable(
               'addFilter', 'Company', filtergroup
             );
             $("#table").jqxDataTable('applyFilters');
         });
         });
      
   
   
      
          GeeksforGeeks 
          jQWidgets jqxDataTable 
            applyFilters() Method 
         
         
         
      
   

输出：

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