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Apache-2.0

SpreadJS_DynamicallyAddHeader

介绍

动态添加表头及数据绑定

SpreadJS 示例,基于 JavaScript组件实现包含合并单元格的数据绑定

该示例包括使用 SpreadJS API 的演示脚本,可用于实现包含合并单元格的数据绑定。 有关 SpreadJS API 的更多信息,请参阅SpreadJS API指南帮助手册输入图片说明

目录:

  • 运行步骤
  • 控件初始化
  • 示例代码
  • 关于 SpreadJS 外部文件:
  • 临时授权申请

运行步骤

1、在开始之前,请确保您已满足以下先决条件:

要运行 SpreadJS,浏览器必须支持 HTML5,客户端导入和导出 Excel 需要 IE10及以上。请先了解 SpreadJS 的产品使用环境,并申请临时部署授权激活 安装并更新NodeJS和NPM 2、克隆或下载此代码库 3、初始化控件,并运行示例脚本

控件初始化

1、 首先,创建一个新页面,并在页面上输入以下代码:

<!DOCTYPE html>
    <html>
    <head>
        <title>Spread HTML test page</title>

2、在页面中添加对 Spread.JS 的引用。代码如下。需要注意的是,Spread 提供压缩过

(minified)的 JavaScript 文件和和用于调试的文件:
<script src="[Your_Scripts_Path]/gc.spread.sheets.all.xxxx.min.js" type="text/javascript"></script>

3、添加 CSS 文件以改变Spread.JS 的外观。默认的CSS文件名为: gc.spread.sheets.xxxx.css,里面包含了所有的默认样式。该 CSS 文件将会影响滚动条,筛选框及其子元素,单元格和下方标签栏的样式。引入 CSS 的代码如下:

//<link href="[Your_CSS_Path]/gc.spread.sheets.xxxx.css" rel="stylesheet" type="text/css"/>
//OR
<link href="[Your_CSS_Path]/bootstrap/bootstrap.min.css" rel="stylesheet" type="text/css"/>
<link href="[Your_CSS_Path]/bootstrap/bootstrap-theme.min.css" rel="stylesheet" type="text/css"/>

4、添加产品授权,代码为:

GC.Spread.Sheets.LicenseKey = "xxx";
  1. 添加控件初始化代码。本例会在一个 id 为“ss”的 DOM 元素上初始化 Spread.Sheets:
<script type="text/javascript">
// Add your license
 GC.Spread.Sheets.LicenseKey = "xxx";
// Add your code
 window.onload = function(){
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
var sheet = spread.getActiveSheet();
 }
</script>
</head>
<body>

6、 创建一个 id 为 “ss”的元素,Spread.Sheets 将在该 DOM 中初始化:

<div id="ss" style="height: 500px; width: 800px"></div>
</body>
</html>

示例代码

HTML:
    <p>动态添加表头及数据绑定</p>
    <input type="button" id="addColumnHeader" value="添加动态表头" />
    <input type="button" id="binddata" value="绑定数据" />
    <div id='ss'></div>
CSS:
    p{
        color: #336699;
        text-align: center;
    }
    
    input[type="button"]{
        margin-bottom: 10px;
    }
    #ss{
        width: 100%;
        height: 380px;
    }
JavaScript:
    // Title:单元格动态数据绑定
    // Description:单元格动态数据绑定
    // Tag:数据绑定,单元格
    GC.Spread.Common.CultureManager.culture('zh-cn');
    
    $(document).ready(function() {
        var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
        var sheet = spread.getActiveSheet();
        sheet.getRange(0, -1, 2, -1).hAlign(GC.Spread.Sheets.HorizontalAlign.center);
        sheet.getRange(0, -1, 2, -1).vAlign(GC.Spread.Sheets.VerticalAlign.center);
        //绘制表头
        sheet.setValue(0, 0, "工号");
        sheet.setValue(0, 1, "姓名");
        sheet.setValue(0, 2, "部门");
        sheet.setValue(0, 3, "工资");
        sheet.setValue(1, 3, "基本工资");
        sheet.setValue(1, 4, "岗位津贴");
        sheet.setValue(1, 5, "金额");
        sheet.addSpan(0, 0, 2, 1);
        sheet.addSpan(0, 1, 2, 1);
        sheet.addSpan(0, 2, 2, 1);
        sheet.addSpan(0, 3, 1, 3);
        $("#addColumnHeader").click(function() {
            //这里动态表头信息是已知的,假设为4列,起始列已知为第三列之后
            sheet.addColumns(3, 4);
            sheet.setValue(0, 3, "非应税收入");
            sheet.setValue(1, 3, "报销");
            sheet.setValue(1, 4, "午餐补贴");
            sheet.setValue(1, 5, "差额补贴");
            sheet.setValue(1, 6, "金额");
            sheet.addSpan(0, 3, 1, 4);
        });
        $("#binddata").click(function() {
            //这里绑定的数据是已知的,而且与新增的动态列是匹配吻合的,假设数据源如下:
            var data = {
                datasource: [{
                    id: '1',
                    name: 'Pencil',
                    department: 'admin',
                    basepay: 2000,
                    jobpay: 5000,
                    subtotal: 7000,
                    reimbursement: 200,
                    allowance1: 400,
                    allowance2: 400,
                    total: 1000
                }]
            }
            var table = sheet.tables.add('tableRecords', 2, 0, 2, 10);
            table.autoGenerateColumns(false);
            tableColumns = [];
            names = ['id', 'name', 'department', 'reimbursement', 'allowance1', 'allowance2', 'total', 'basepay', 'jobpay', 'subtotal'];
            names.forEach(function(data, index) {
                var tableColumn = new GC.Spread.Sheets.Tables.TableColumn();
                tableColumn.name(names[index]);
                tableColumn.dataField(data);
                tableColumns.push(tableColumn);
            });
            table.bindColumns(tableColumns);
            table.bindingPath('datasource');
            var source = new GC.Spread.Sheets.Bindings.CellBindingSource(data);
            sheet.setDataSource(source);
            //隐藏表头
            table.showHeader(false);
            sheet.deleteRows(2, 1);
    
    
        });
    
});

关于 SpreadJS

SpreadJS 是一款基于 HTML5 的纯前端表格控件,兼容 450 多种 Excel 公式,具备“高性能、跨平台、与 Excel 高度兼容”的产品特性。使用 SpreadJS,可直接在 Angular、 React、 Vue 等前端框架中实现高效的模板设计、在线编辑和数据绑定等功能,为最终用户提供高度类似 Excel 的使用体验。

输入图片说明

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