jQWidgets jqxGrid getcolumnindex()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。 jqxGrid 用于演示以表格形式显示数据的 jQuery 小部件。此外，它还全面支持数据连接、分页、分组、排序、过滤和编辑。

getcolumnindex()方法用于从显示的jqxGrid在列簇中返回指定列的索引。它有一个名为 dataField 的参数，其类型为字符串。它返回一个数字。

用法:

var index = $('#Selector').jqxGrid('getcolumnindex', 'name');

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-1.11.1.min.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/jqxmenu.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.selection.js”></script>

例子：下面的例子说明了jqxGridgetcolumnindex()jQWidgets 中的方法。

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-1.11.1.min.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/jqxmenu.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxgrid.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqxgrid.selection.js"> 
    </script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color: green"> 
            GeeksforGeeks 
        </h1> 
        
        <h3>jQWidgets jqxGrid getcolumnindex() method</h3> 
        <br /> 
        
        <div id="jqxg"></div> 
        
        <div> 
            <input type="button" id="jqxBtn" 
                   style="margin-top: 25px"
                   value="Click here" /> 
        </div> 
        
        <div id="log"></div> 
    </center> 
  
    <script type="text/javascript"> 
        $(document).ready(function () { 
            var d = new Array(); 
            var subjectNames = 
                ["C++", "Scala", "Java", "C", "R", "JavaScript"]; 
  
            var pageNumber = 
                ["7", "8", "12", "11", "10", "19"]; 
            for (var j = 0; j < 5; j++) { 
                var r = {}; 
                r["subjectnames"] = 
                    subjectNames[(Math.floor( 
                      Math.random() * subjectNames.length)) 
                  ]; 
  
                r["pagenumber"] = 
                    pageNumber[(Math.floor( 
                      Math.random() * pageNumber.length)) 
                  ]; 
                d[j] = r; 
            } 
            var src = { 
                localdata: d, 
                datatype: "array", 
            }; 
            var data_Adapter = new $.jqx.dataAdapter(src); 
            $("#jqxg").jqxGrid({ 
                source: data_Adapter, 
                columns: [ 
                    { 
                        text: "Subject Name", 
                        datafield: "subjectnames", 
                        width: "100px", 
                    }, 
                    { 
                        text: "Page No.", 
                        datafield: "pagenumber", 
                        width: "140px", 
                    }, 
                ], 
            }); 
  
            $("#jqxg").jqxGrid({ 
                height: "220px", 
                width: "230px", 
            }); 
  
            $("#jqxBtn").jqxButton({ 
                width: "100px", 
                height: "30px", 
            }); 
            $("#jqxBtn").on("click", function () { 
                var ci = $("#jqxg").jqxGrid( 
                    "getcolumnindex", "pagenumber"); 
                $("#log").text("Index of Page Number is: " + ci); 
            }); 
        }); 
    </script> 
</body> 
  
</html>

输出：

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

相关用法

注：本文由纯净天空筛选整理自nidhi1352singh大神的英文原创作品 jQWidgets jqxGrid getcolumnindex() 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。