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1、首先我们先简单学习下 cellButtons
单元格按钮 cellButtons 是一组多个预定义按钮,可以嵌入到单元各中并可以运行各种命令。
示例代码:
let style = new GC.Spread.Sheets.Style();
style.cellButtons= [{
imageType: GC.Spread.Sheets.ButtonImageType.dropdown,
command: "openColorPicker",
},
{
imageType: GC.Spread.Sheets.ButtonImageType.dropdown,
command: (sheet, row, col, option) => {
//do something
},
}
];
sheet.setStyle(0, 0, style);
sheet.setValue(0, 0, "Text");
ButtonImageType 指定了单元格按钮的类型,SpreadJS 提供了多个选项,您可以根据需要自行选择。
command 为命令选项,开发人员可以为用户单击按钮时执行的特定行为编写代码。
2、cellButtons 如何注册命令
除了上述示例代码所示,我们还可以在命令管理器中注册该命令进行管理。
先来定义 cellButtons 点击触发的命令:
var command = {
canUndo: true,
execute: function (context, options, isUndo) {
alert('触发');
}
}
向命令管理器注册command,定义命令名称为 alertSth
var commandManager = spread.commandManager();
commandManager.register("alertSth", command);
创建一个style,并设置 cellButtons 及 cellButtons 执行 alertSth 命令。
style.cellButtons = [
{
imageType: GC.Spread.Sheets.ButtonImageType.ellipsis,
command: "alertSth"
}
];
最后在单元格设置style:
sheet.setStyle(0, 0, style);
效果如下图所示:
3、我们将spread导出为ssjson文件,并导入到spread2中,会发现点击单元格按钮,无法弹出弹窗。
这是因为我们在spread2中没有注册 alertSth 命令,只需重新注册即可。
var command = {
canUndo: true,
execute: function (context, options, isUndo) {
alert('触发');
}
}
var commandManager = spread.commandManager();
commandManager.register("alertSth", command);
完整Demo如下:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Demo</title>
<link href="http://cdn.grapecity.com/spreadjs/hosted/css/gc.spread.sheets.excel2013white.16.1.4.css"
rel="stylesheet" type="text/css" />
<script src="https://code.jquery.com/jquery-3.7.0.min.js"
integrity="sha256-2Pmvv0kuTBOenSvLm6bvfBSSHrUJ+3A7x6P5Ebd07/g=" crossorigin="anonymous"></script>
<script type="text/javascript"
src="http://cdn.grapecity.com/spreadjs/hosted/scripts/gc.spread.sheets.all.16.1.4.min.js"></script>
<script type="text/javascript"
src="http://cdn.grapecity.com/spreadjs/hosted/scripts/resources/zh/gc.spread.sheets.resources.zh.16.1.4.min.js"></script>
</head>
<body>
<div id="ss" style="width: 98vw; height: 95vh;"></div>
<script type="text/javascript">
$(document).ready(function () {
let spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
let sheet = spread.getActiveSheet();
let command = {
canUndo: true,
execute: function (context, options, isUndo) {
alert('触发');
}
}
let commandManager = spread.commandManager();
commandManager.register("alertSth", command);
let style = new GC.Spread.Sheets.Style();
style.cellButtons = [
{
imageType: GC.Spread.Sheets.ButtonImageType.ellipsis,
command: "alertSth"
}
];
sheet.setStyle(0, 0, style);
});
</script>
</body>
</html>
作者: GrapeCity China | 审核:AlexZ | 更新时间:2023.09.26