您可以通过getRedoStack方法获取到SpreadJS的保留栈。
您可以通过getUndoStack方法获取到SpreadJS的撤销栈。
您可以通过maxSize方法获取或者设置保留栈或者撤销栈的最大长度。
window.onload = function () {
var spread = new GC.Spread.Sheets.Workbook(_getElementById('ss'));
initSpread(spread);
}
function initSpread(spread) {
spread.fromJSON(data[0]);
var sheet = spread.getActiveSheet();
attachEvent(spread);
executeCommand(spread);
updateInfo(spread);
}
function attachEvent(spread) {
var events = GC.Spread.Sheets.Events;
spread.bind(events.ValueChanged, updateInfoHandle);
spread.bind(events.ViewZoomed, updateInfoHandle);
spread.bind(events.ColumnChanged, updateInfoHandle);
spread.bind(events.ColumnWidthChanged, updateInfoHandle);
spread.bind(events.RowChanged, updateInfoHandle);
spread.bind(events.RowHeightChanged, updateInfoHandle);
let setButton = _getElementById("gc-max-size-set");
let maxSizeDom = _getElementById("gc-max-size");
let redoButton = _getElementById("gc-redo-button");
let undoButton = _getElementById("gc-undo-button");
let undoManager = spread.undoManager();
setButton.addEventListener("click", () => {
let value = Number(maxSizeDom.value);
if (!isNaN(value)) {
spread.undoManager().maxSize(value);
}
})
redoButton.addEventListener("click", () => {
undoManager.redo();
updateInfo(spread);
})
undoButton.addEventListener("click", () => {
undoManager.undo();
updateInfo(spread);
})
}
function executeCommand(spread) {
var commandManager = spread.commandManager();
let sheet = spread.getActiveSheet();
let sheetName = sheet.name();
spread.suspendPaint()
commandManager.execute({
cmd: "resizeColumn",
sheetName: sheetName,
size: 70,
rowHeader: false,
columns: [{
firstCol: 0,
lastCol: 5
}],
});
commandManager.execute({
cmd: "editCell",
sheetName: sheetName,
row: 0,
col: 0,
newValue: "Edit Cell",
autoFormat: true,
});
commandManager.execute({
cmd: "resizeRow",
sheetName: sheetName,
rows: [{
firstRow: 0,
lastRow: 5,
}],
size: 30,
columnHeader: false,
})
spread.undoManager().undo();
spread.resumePaint();
}
function updateInfoHandle(sender, info) {
var sheet = info.sheet;
var spread = sheet.parent;
updateInfo(spread);
}
function updateInfo(spread) {
var undoManager = spread.undoManager();
setTimeout(() => {
updateUndoInfo(undoManager);
updateRedoInfo(undoManager);
}, 0);
}
function updateUndoInfo(undoManager) {
var undoStack = undoManager.getUndoStack();
var description = getDescription(undoStack);
let undoContainer = _getElementById("gc-undo-stack-container");
undoContainer.value = description;
}
function updateRedoInfo(undoManager) {
var redoStack = undoManager.getRedoStack();
let description = getDescription(redoStack);
let redoContainer = _getElementById("gc-redo-stack-container");
redoContainer.value = description;
}
function getDescription(actionStack) {
let description = "";
for (var i = 0; i < actionStack.length; i++) {
description = description + (i + 1) + '.' + actionStack[i].cmd + "\r\n";
}
return description;
}
function _getElementById(id) {
return document.getElementById(id);
}
<!doctype html>
<html lang="en" style="height:100%;font-size:14px;">
<head>
<meta name="spreadjs culture" content="zh-cn" />
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link rel="stylesheet" type="text/css"
href="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/styles/gc.spread.sheets.excel2013white.css">
<link rel="stylesheet" type="text/css" href="styles.css">
<script src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets/dist/gc.spread.sheets.all.min.js"
type="text/javascript"></script>
<script
src="$DEMOROOT$/zh/purejs/node_modules/@grapecity-software/spread-sheets-resources-zh/dist/gc.spread.sheets.resources.zh.min.js"
type="text/javascript"></script>
<script src="app.js" type="text/javascript"></script>
<script src="data.js" type="text/javascript"></script>
<script src="$DEMOROOT$/spread/source/js/license.js" type="text/javascript"></script>
</head>
<body>
<div class="sample-tutorial">
<!-- Workbook host element -->
<div id="ss" class="sample-spreadsheets"></div>
<div class="options-container">
<label>Make any changes such as editing text or resizing row and cols then undo or redo your actions using
the below buttons.</label>
<div class="option-row">
<input type="button" value="Redo" class="gc-stack-button" id="gc-redo-button">
<input type="button" value="Undo" class="gc-stack-button" id="gc-undo-button">
</div>
<div class="gc-undo-stack-container option-row">
<label>The undoStack includes the following command:</label>
<textarea type="text" class="gc-stack-list" id="gc-undo-stack-container" cols="30"></textarea>
</div>
<div class="gc-redo-stack-container option-row">
<label>The redoStack includes the following command:</label>
<textarea type="text" class="gc-stack-list" id="gc-redo-stack-container" cols="30"></textarea>
</div>
<div class="option-row">
<label>Undo/Redo Stack Max Size</label>
<input type="number" min="0" max="2147483647" id="gc-max-size" class="gc-max-size" value="10">
<input type="button" id="gc-max-size-set" value="set">
</div>
</div>
</div>
</body>
</html>
var data = [{
"version":"12.0.0",
"tabStripRatio":0.6,
"sheetCount":1,
"sheets":{
"Sheet1":{
"name":"Sheet1",
"rowCount":114,
"columnCount":21,
"activeRow":2,
"activeCol":2,
"data":{
"dataTable":{
"2":{
"2":{
"value":"Student",
"style":
{
"foreColor" : "#FFFFFF",
"backColor" : "#82BC00",
"hAlign" : 1
}
},
"3":{
"value":"Language",
"style": {
"foreColor" : "#FFFFFF",
"backColor" : "#82BC00",
"hAlign" : 1
}
},
"4":{
"value":"Math",
"style": {
"foreColor" : "#FFFFFF",
"backColor" : "#82BC00",
"hAlign" : 1
}
},
"5":{
"value":"Science",
"style": {
"foreColor" : "#FFFFFF",
"backColor" : "#82BC00",
"hAlign" : 1
}
},
"6":{
"value":"Music",
"style": {
"foreColor" : "#FFFFFF",
"backColor" : "#82BC00",
"hAlign" : 1
}
},
"7":{
"value":"History",
"style": {
"foreColor" : "#FFFFFF",
"backColor" : "#82BC00",
"hAlign" : 1
}
}
},
"3":{
"2":{
"value":"Ally",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":65.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":75.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":91.8,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
},
"4":{
"2":{
"value":"Tom",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":81.8,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":95,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":75.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":88,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
},
"5":{
"2":{
"value":"Jack",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":68.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":65.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":88,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":79,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
},
"6":{
"2":{
"value":"John",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":68.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":81.8,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":86,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":75,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":86,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
},
"7":{
"2":{
"value":"Lily",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":65.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":91.8,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
},
"8":{
"2":{
"value":"Linda",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":75.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":88,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":65.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":65.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
},
"9":{
"2":{
"value":"Will",
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"3":{
"value":95.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"4":{
"value":94.8,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"5":{
"value":94,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"6":{
"value":55.2,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
},
"7":{
"value":88,
"style":{"backColor" : "#F4F8EB", "hAlign" : 1}
}
}
}
},
}
}
}]
.sample-tutorial {
position: relative;
height: 100%;
overflow: hidden;
}
body {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
}
.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;
margin-top: 10px;
}
.gc-stack-list{
width: 100%;
height: 150px;
margin-top: 10px;
}
.gc-stack-button{
margin: 0 5px;
}
