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jQWidgets jqxTreeGrid pageSizeOptions属性用法及代码示例


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。这 jqxTreeGrid用于表示tree-like结构中的数据。该小部件对于显示多列分层数据、数据分页、排序和过滤、数据编辑、列大小调整、固定列、条件格式、聚合和行选择非常有用。这些小部件还可以读取和显示来自任何类型数据源(例如 XML、JSON、Array、CSV 或 TSV)的数据。

页面大小选项属性用于设置或获取指定jqxTreeGrid的页面大小选项。当值为可分页的属性设置为 true 并且值寻呼机模式属性设置为‘advanced’。

用法:

  • 设置 pageSizeOptions 属性：

    $('#treeGrid').jqxTreeGrid({ 
    pageSizeOptions: ['1', '2', '3', '4'] 
});

  • 为了得到页面大小选项s属性。：

    var pageSizeOptions = 
    $('#treeGrid').jqxTreeGrid('pageSizeOptions');

链接文件：从给定链接下载 https://www.jqwidgets.com/download/。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>
<script type=”text/javascript” src=”jqwidgets/jqxtreegrid.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqx-all.js”></script>

例子：下面的例子说明了jQWidgets jqxTreeGrid页面大小选项属性。在下面的示例中，值页面大小选项属性已设置为[‘1’, ‘2’、‘3’, ‘4’]。

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 type="text/javascript" 
            src="jqwidgets/jqxtreegrid.js"> 
    </script> 
    <script type="text/javascript" 
            src="jqwidgets/jqx-all.js"> 
    </script> 
</head> 
    
<body> 
    <center> 
        <h1 style="color: green;"> 
            GeeksforGeeks 
        </h1> 
        <h3> 
            jQWidgets jqxTreeGrid pageSizeOptions Property 
        </h3> 
  
        <div id="jqxTreeGrid" style="margin: 25px;"> 
        </div> 
  
        <input type="button" style="margin: 29px;" 
               id="jqxbutton_for_pageSizeOptions"
               value="Value of the pageSizeOptions property" /> 
  
        <div id="log"></div> 
  
        <script type="text/javascript"> 
  
            $(document).ready(function () { 
                var A = [{ 
                    "ID": 1, 
                    "Employee_Name": "Amit", 
                    "Company": "GeeksforGeeks", 
                    "Designation": "Content Writer", 
                    "expanded": true, 
                    A1: [{ 
                        "ID": 2, 
                        "Employee_Name": "Sumit", 
                        "Company": "Amazon", 
                        "Designation": "Software Engineer", 
                    }, { 
                        "ID": 3, 
                        "Employee_Name": "Vivek", 
                        "Company": "Apple", 
                        "Designation": "Product Manager", 
                        "expanded": true, 
                        A1: [{ 
                            "ID": 4, 
                            "Employee_Name": "Soni", 
                            "Company": "Flipkart", 
                            "Designation": "HR", 
                        }] 
                    }] 
                }]; 
  
                var Data_Source = { 
                    dataFields: [{ 
                        name: 'ID' 
                    }, { 
                        name: 'Employee_Name' 
                    }, { 
                        name: 'Company' 
                    }, { 
                        name: 'Designation' 
                    }, { 
                        name: 'A1', 
                        type: 'array' 
                    }, { 
                        name: 'expanded' 
                    }], 
                    hierarchy: { 
                        root: 'A1' 
                    }, 
                    id: 'ID', 
                    localData: A, 
                }; 
  
                var Data = new 
                    $.jqx.dataAdapter(Data_Source); 
  
                $("#jqxTreeGrid").jqxTreeGrid({ 
                    source: Data, 
                    pageable: true, 
                    pageSize: 1, 
                    pagerMode: 'advanced', 
                    pageSizeOptions: ['1', '2', 
                        '3', '4'], 
                    ready: function () { 
                        $("#jqxTreeGrid").jqxTreeGrid( 
                            'expandRow', '1'); 
                        $("#jqxTreeGrid").jqxTreeGrid( 
                            'expandRow', '3'); 
                    }, 
                    columns: [{ 
                        text: 'Employee_Name', 
                        align: 'center', 
                        dataField: 'Employee_Name', 
                        width: 145 
                    }, { 
                        text: 'Company', 
                        align: 'center', 
                        dataField: 'Company', 
                        width: 155 
                    }, { 
                        text: 'Designation', 
                        align: 'center', 
                        dataField: 'Designation', 
                        width: 155 
                    }] 
                }); 
                $("#jqxbutton_for_pageSizeOptions"). 
                    jqxButton({ 
                        width: 310 
                    }); 
                      
                $('#jqxbutton_for_pageSizeOptions'). 
                    click(function () { 
                        var value_of_pageSizeOptions = 
                            $('#jqxTreeGrid'). 
                                jqxTreeGrid( 
                                    'pageSizeOptions'); 
                        $("#log").html(JSON.stringify( 
                            value_of_pageSizeOptions)) 
                    }); 
            }); 
        </script> 
    </center> 
</body> 
  
</html>

输出：

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



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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 jqxTreeGrid pageSizeOptions Property。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。