【16.2.2】【自定义的支持撤销的 command 在撤销列表里面显示为空白】

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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="spreadjs culture" content="zh-cn" />
<title>SpreadJS Designer</title>
<link
href="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets/styles/gc.spread.sheets.excel2013white.css"
rel="stylesheet" type="text/css" />
<link
href="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-designer/styles/gc.spread.sheets.designer.min.css"
rel="stylesheet" type="text/css">
<style>
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
.sample-spreadsheets {
width: calc(100% - 280px);
height: 100%;
overflow: hidden;
float: left;
}
.options-container {
float: right;
width: 280px;
padding: 12px;
height: 100%;
box-sizing: border-box;
background: #fbfbfb;
overflow: auto;
}
.option-row {
font-size: 14px;
padding: 5px;
}
label {
display: block;
margin-bottom: 6px;
}
input[type=button] {
margin-top: 6px;
display: block;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
</style>
</head>
<body unselectable="on">
<div id="gc-designer-container" role="application"></div>
<div class="sample-tutorial">
<div id="ss" class="sample-spreadsheets"></div>
<div class="options-container">
<label >Please select a range and click 'Set BackColor' button will set backColor for the range, and click 'Undo' button and 'Redo' button will undo and redo the set backColor action.</label>
<div class="option-row">
<input type="button" id="setBackColor" value="Set BackColor" />
</div>
<div class="option-row">
<input type="button" id="undo" value="Undo" />
</div>
<div class="option-row">
<input type="button" id="redo" value="Redo" />
</div>
<hr>
<div class="option-row">
<label >Use the keyboard shortcuts 'Ctrl-Z' to undo the custom action, and use the keyBoard shortcuts 'Ctrl-Y' to redo the custom action.</label>
</div>
</div>
</div>
<script type="text/javascript"
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets/dist/gc.spread.sheets.all.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-charts/dist/gc.spread.sheets.charts.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-shapes/dist/gc.spread.sheets.shapes.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-slicers/dist/gc.spread.sheets.slicers.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-print/dist/gc.spread.sheets.print.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-barcode/dist/gc.spread.sheets.barcode.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-pdf/dist/gc.spread.sheets.pdf.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-pivot-addon/dist/gc.spread.pivot.pivottables.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-tablesheet/dist/gc.spread.sheets.tablesheet.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-ganttsheet/dist/gc.spread.sheets.ganttsheet.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-formula-panel/dist/gc.spread.sheets.formulapanel.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-excelio/dist/gc.spread.excelio.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-io/dist/gc.spread.sheets.io.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-resources-zh/dist/gc.spread.sheets.resources.zh.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-designer-resources-cn/dist/gc.spread.sheets.designer.resource.cn.min.js"></script>
<script
src="https://cdn.grapecity.com.cn/SpreadJS/package-contents/16.2.2/spread-sheets-designer/dist/gc.spread.sheets.designer.all.min.js"></script>
<script type="text/javascript">
window.onload = function () {
const customConfig = GC.Spread.Sheets.Designer.DefaultConfig;
let undoList = GC.Spread.Sheets.Designer.getCommand(GC.Spread.Sheets.Designer.CommandNames.UndoList);
let redoList = GC.Spread.Sheets.Designer.getCommand(GC.Spread.Sheets.Designer.CommandNames.RedoList);
redoList.commandMap['changeBackColor'] = '哈哈哈哈哈哈';
undoList.commandMap['changeBackColor'] = '哈哈哈哈哈哈';
var designer = new GC.Spread.Sheets.Designer.Designer(document.getElementById("ss"));
var spread = designer.getWorkbook();
var undoManager = spread.undoManager();
_getElementById('undo').addEventListener('click', function () {
undoManager.undo();
});
_getElementById('redo').addEventListener('click', function () {
undoManager.redo();
});
_getElementById('setBackColor').addEventListener('click', function () {
initSpread(spread);
});
};
function initSpread(spread) {
var sheet = spread.getActiveSheet();
var command = {
canUndo: true,
execute: function (spread, options, isUndo) {
var Commands = GC.Spread.Sheets.Commands;
if (isUndo) {
Commands.undoTransaction(spread, options);
return true;
} else {
Commands.startTransaction(spread, options);
spread.suspendPaint();
var selections = options.selections;
var value = options.backColor;
selections.forEach(function (sel) {
sheet.getRange(sel.row, sel.col, sel.rowCount, sel.colCount).backColor(value);
});
spread.resumePaint();
Commands.endTransaction(spread, options);
return true;
}
}
};
var selections = sheet.getSelections();
var commandManager = spread.commandManager();
commandManager.register('changeBackColor', command);
commandManager.execute({
cmd: 'changeBackColor',
sheetName: spread.getSheet(0).name(),
selections: selections,
backColor: 'rgb(130, 188, 0)'
});
}
function _getElementById(id) {
return document.getElementById(id);
}
</script>
</body>
</html>

复制代码

Joestar.Xu · Joestar.Xu

您好，需要再加上这三行代码才可以：

customConfig.commandMap = {};
customConfig.commandMap[GC.Spread.Sheets.Designer.CommandNames.UndoList] = undoList;
customConfig.commandMap[GC.Spread.Sheets.Designer.CommandNames.RedoList] = redoList;

image.png59518126.png

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[处理中] 【16.2.2】【自定义的支持撤销的 command 在撤销列表里面显示为空白】

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