回答編集履歴
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追加
answer
CHANGED
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@@ -12,4 +12,70 @@
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workbook.SheetNames.push(n);
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workbook.Sheets[n] = XLSX.utils.table_to_sheet(currentValue, wopts);
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});
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```
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### 追記
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2次元配列をHTMLTableElementに変換して、XLSXに出力できることを確認しておきました。
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以下、コード。
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```HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8" />
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<title>sample1</title>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/xlsx/0.14.2/xlsx.full.min.js"></script>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/1.3.8/FileSaver.min.js"></script>
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</head>
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<body>
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<input type="button" id="xlsx" value="Excel出力" onclick="func1()">
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<script language="javascript" type="text/javascript">
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var array1 = [ ["apple", "banana", "cherry"], [1, 2, 3] ];
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function func1() {
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var wopts = {
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bookType: 'xlsx',
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bookSST: false,
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type: 'binary'
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};
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var workbook = {SheetNames: [], Sheets: {}};
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var n = 'Sheet' + 1;
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workbook.SheetNames.push(n);
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// workbook.Sheets[n] = array1;
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workbook.Sheets[n] = XLSX.utils.table_to_sheet(ARRAY_TO_OBJ(array1), wopts); //配列をTableElementに変換してセット
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var wbout = XLSX.write(workbook, wopts);
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saveAs(new Blob([s2ab(wbout)], {type: 'application/octet-stream'}), 'test.xlsx');
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}
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function s2ab(s) {
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var buf = new ArrayBuffer(s.length);
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var view = new Uint8Array(buf);
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for (var i = 0; i != s.length; ++i) {
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view[i] = s.charCodeAt(i) & 0xFF;
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}
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return buf;
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}
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//2次元配列をテーブルエレメントに変換して返す
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function ARRAY_TO_OBJ(array){
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// 要素の取得
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var element = document.createElement("table"); //table生成
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array.forEach(function (arr) {
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var row = element.insertRow( -1 ) ; //行追加
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arr.forEach(function (value) {
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var cell = row.insertCell() ; //セル追加
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cell.textContent = value ; //セル1に値セット
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});
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});
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return element
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}
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</script>
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</body>
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</html>
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```
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