jQWidgets jqxDataTable clearFilters()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、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。

clearFilters() 方法用于清除过滤器。该函数不接受任何参数。

用法:

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

链接文件：从给定的链接下载 jQWidgets。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>

例：下面的示例说明了 jQWidgets clearFilters() 方法。在此示例中，已经有一个应用过滤器将使用 clearFilters() 方法删除。

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>
        $(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
            });
            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');
            $('#jqxbutton').click(function () {
                $("#table").jqxDataTable('clearFilters');
            });
        });
    </script>
</head>
  
<body>
    <center>
        <h1 style="color:green;"> 
          GeeksforGeeks 
        </h1>
        <h3> 
          jQWidgets jqxDataTable clearFilters() Method 
        </h3>
        <div id="table"></div>
        <input type="button" style="margin:20px;" 
               id="jqxbutton" 
               value="Clear the filters" />
    </center>
</body>
  
</html>

输出：

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

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 clearFilters() 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。