jQWidgets jqxDataTable removeFilter()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。 jqxDataTable 用于读取和显示 HTML 表中的数据。它还用于显示来自各种数据源(例如 XML、JSON、Array、CSV 或 TSV)的数据。

removeFilter() 方法用于删除应用的过滤器。

用法:

$("#dataTable").jqxDataTable('removeFilter','dataField');

Parameters: 此方法接受单个参数，如下所示：

dataField: 这是要删除其过滤器的指定数据字段。

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.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>

下面的示例说明了 jQWidgets removeFilter() 方法。

例子：

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> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green;">  
          GeeksforGeeks  
        </h1> 
        <h3>  
          jQWidgets jqxDataTable removeFilter() Method  
        </h3> 
        <div id="Data_Table"></div> 
        <input type="button" 
               style="margin: 30px;" 
               id="jqxbutton" 
               value="Remove the applied filter" /> 
    </center> 
    <script> 
        $(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"]; 
  
            a = 0; 
            while (a < 4) { 
                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: 550, 
                theme: 'energyblue', 
                editable: true, 
                source: data_Adapter, 
                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: 210, 
                height: 35 
            }); 
            // Creating a filter 
            var type = 'stringfilter'; 
            var group = new $.jqx.filter(); 
            var operator = 2; 
            var value = "Sumit"; 
            var condition = 'equal'; 
            var filter = group.createfilter( 
                   type, value, condition); 
            group.addfilter(operator, filter); 
  
            // Adding the filters 
            $("#Data_Table").jqxDataTable( 
              'addFilter', 'Employee_Name', group 
            ); 
  
            // Applying the filters 
            $("#Data_Table").jqxDataTable( 
                       'applyFilters'); 
            $('#jqxbutton').click(function () { 
                $("#Data_Table").jqxDataTable( 
                        'removeFilter', 
                        'Employee_Name'); 
                $("#Data_Table").jqxDataTable( 
                        'applyFilters'); 
            }); 
        }); 
    </script> 
</body> 
  
</html>

输出：

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

相关用法

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 jqxDataTable removeFilter() 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。