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当从 Excel 中复制一个带样式的空单元格到 SpreadJS 中时,SpreadJS 的单元格中会多出来一个空格。
这个问题实际上是目前一个限制,如果将复制的内容粘贴到一个div元素中,会发现这个div也会存在一个空格。
那么应该如何解决这个问题呢?
可以参考以下Demo:
<!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 type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></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>
window.onload = function () {
GC.Spread.Common.CultureManager.culture("zh-cn");
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var sheet = spread.getActiveSheet();
var clipPasted = false;
var pasteRange;
var copiedText = "";
sheet.bind(GC.Spread.Sheets.Events.ClipboardPasted, function (sender, args) {
clipPasted = false;
if (args.pasteData.html != "" && args.pasteData.text != "") {
clipPasted = true;
pasteRange = args.cellRange;
}
if (!navigator.clipboard) {
setTextArray(copiedText);
}
});
document.getElementById("ss").addEventListener('paste', function (event) {
if (!navigator.clipboard) {
if (event.clipboardData) {
// Classic Edge
copiedText = event.clipboardData.getData('text');
} else {
// IE11
copiedText = window.clipboardData.getData('text');
}
return;
}
if (!clipPasted) return;
// Chrome, FireFox
let paste = (event.clipboardData || window.clipboardData).getData('text');
setTextArray(paste);
});
function setTextArray(paste) {
var textArray = [];
var copyText = paste.split('\n');
for (var i = 0; i < pasteRange.rowCount; i++) {
var copyRow = copyText[i].replace(/\r/, "").split('\t');
for (var j = 0; j < copyRow.length; j++) {
if (copyRow[j] === "") {
copyRow[j] = null;
}
}
textArray.push(copyRow);
}
sheet.suspendPaint();
sheet.suspendDirty();
sheet.suspendEvent();
sheet.setArray(pasteRange.row, pasteRange.col, textArray);
sheet.resumeEvent();
sheet.resumeDirty();
sheet.resumePaint();
};
}
</script>
</body>
</html>
另外,由于新版浏览器的安全策略,clipboard只有在安全域名下才可以访问,http域名下会显示undefined,但使用https开头的域名,或localhost,就可以访问navigator.clipboard。
作者: GrapeCity China | 审核:AlexZ | 更新时间:2023.09.26