jQWidgets jqxDataTable getCellValue()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。

getCellValue() 方法用于返回特定指定单元格的值。

用法:

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

Parameters: 此方法接受两个参数，如下所示。

rowIndex:它指定要返回单元格值的行索引。
dataField:它指定要返回单元格值的数据字段。

返回值：此方法返回指定单元格的值。

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>

例子：下面的例子说明了 jQWidgetsgetCellValue()方法。在下面的示例中，第三行的指定将作为单元格值返回。

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 getCellValue() Method  
        </h3> 
        <div id="Data_Table"></div> 
        <input type="button" style="margin: 31px;" 
               id="jqxbutton" 
               value="Invoke the getCellValue() Method" /> 
        <div id="log"></div> 
    </center> 
    <script> 
        $(document).ready(function () { 
            var Data = new Array(); 
            var Employee_Name = [ 
                "Ravi", "Sumit", "Amit",  
                "Aakash", "Vivek"]; 
            var Company = [ 
                "GeeksforGeeks", "Amazon",  
                "Google", "Facebook", 
                "GeeksforGeeks"]; 
            var Designation = [ 
                "Content Writer", "Software Engineer",  
                "Data Analyst", 
                "Data Scientist", "HR"]; 
  
            a = 0; 
            while (a < 5) { 
                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, 
                columns: [{ 
                    text: 'Employee_Name', 
                    dataField: 'Employee_Name', 
                    width: 210 
                }, { 
                    text: 'Company', 
                    dataField: 'Company', 
                    width: 150 
                }, { 
                    text: 'Designation', 
                    dataField: 'Designation', 
                    width: 200 
                }] 
            }); 
            $("#jqxbutton").jqxButton({ 
                theme: 'energyblue', 
                width: 250 
            }); 
            $('#jqxbutton').click(function () { 
                var Selected_cellValue =  
                         $("#Data_Table"). 
                    jqxDataTable('getCellValue',  
                                 2, 'Designation'); 
                $("#log").html(JSON.stringify( 
                               Selected_cellValue)) 
            }); 
        }); 
    </script> 
</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 getCellValue() 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。