jQWidgets jqxDataTable removeFilter()用法及代碼示例

jQWidgets 是一個 JavaScript 框架，用於為 PC 和移動設備製作基於 Web 的應用程序。它是一個非常強大、優化、獨立於平台且得到廣泛支持的框架。 jqxDataTable 用於讀取和顯示 HTML 表中的數據。它還用於顯示來自各種數據源(例如 XML、JSON、Array、CSV 或 TSV)的數據。

removeFilter() 方法用於刪除應用的過濾器。

用法:

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

Parameters: 此方法接受單個參數，如下所示：

dataField: 這是要刪除其過濾器的指定數據字段。

鏈接文件：下載jQWidgets從給定的鏈接。在 HTML 文件中，找到下載文件夾中的腳本文件。

<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>

下麵的示例說明了 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>

輸出：

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

相關用法

注：本文由純淨天空篩選整理自Kanchan_Ray大神的英文原創作品 jQWidgets jqxDataTable removeFilter() Method。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。