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       
(Showing Draft Content)

Excelファイルのインポート/エクスポート

クライアント側でインポートおよびエクスポートメソッドを使用すると、Excelファイル(.xlsx)をJSONにインポートしたり、JSONオブジェクトをExcelにエクスポートしたりできます。

type=warning

saveメソッドで生成したExcel形式ファイルの状態は、ダウンロードによって読み取り専用となります。これはインターネットを経由してダウンロードされるファイルに対してウェブブラウザがZone.Identifier情報を自動的に付与した影響です。Microsoft ExcelはZone.Identifier情報を検知し、Excel形式ファイルの初回オープン時に警告メッセージを表示します。また、エクセルファイルをインポートおよびエクスポートするには、gc.spread.excelio.xx.x.x.min.jsを参照する必要があります。

Excelファイルをローカルにダウンロードすることも、返されたExcelファイル(BLOB型)を取得し、サーバーに送信することもできます。

Excelのインポートおよびエクスポートに使用できるメソッドは、次のとおりです。

次の表は、Excelファイルにインポートまたはエクスポートできる機能を示します。

機能

説明

インポート(excelをjsonに)

エクスポート (jsonをexcelに)

ワークブック(spread)

tabstrip:

tabStripVisible, startSheetIndex, tabStripRatio, tabColor


スクロールバー:

showHorizontalScrollbar, showVerticalScrollbar


シート:

シートの名前、シートの表示/非表示設定


参考スタイル:R1C1またはA1


カスタム名

共有の文字列

データシートに使用された文字列(共通の文字列、空白文字列)

テーマ

カラースキーム


フォントスキーム( Spread.Sheetsには詳細なフォントがありません)


フォーマットスキーム(Spread.Sheetsにはフォーマットスキームがありません)

X

スタイル

cellStyles:Spread.Sheetsがサポートされているすべてのスタイル


さまざまな形式(テーブルに使用される形式、条件付き形式またはフィルタ)


tableStyles

ワークシート

rowRangeGroup、colRangeGroup


rowCount と columnCount


グリッドライン表示/非表示設定、グリッドラインの色


列ヘッダ/行ヘッダの表示/非表示設定


ズーム


選択


activeRow、 activeColumn


行・列の固定 (frozenRowCount, frozenColumnCount)


デフォルトのrowHeightまたはcolumnWidth


columnInfo:列の幅、表示/非表示、スタイル設定


セル結合


シートの保護の状態


rowInfo: 行の高さ、表示/非表示、スタイル設定


cellInfo:セルの値、数式、スタイル、結合設定


カスタム名


条件付き形式


コメント


画像


スライサー


スパークライン


テーブル


フィルタ


検証


アウトライン


印刷

コードの使用

次のサンプルコードは、Excelファイルを開き、保存します。コードの最初の部分は、クライアント側のインポートおよびエクスポートの依存関係のファイルを示します。

<script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2014-11-29/FileSaver.min.js"></script>
    <link href="./css/gc.spread.sheets.excel2013white.x.xx.xxxx.x.css" rel="stylesheet"/>
    <script src="./scripts/gc.spread.sheets.all.x.xx.xxxx.x.min.js" type="application/javascript"></script>
    <!--For client-side excel i/o-->
    <script src="./scripts/interop/gc.spread.excelio.xx.x.x.min.js"></script>
<!DOCTYPE html>
 <html lang="en">
 <head>
     <title>SpreadJS Client Side ExcelIO</title>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/FileSaver.js/2014-11-29/FileSaver.min.js"></script>
     <link href="./css/gc.spread.sheets.excel2013white.xx.x.x.css" rel="stylesheet"/>
     <script src="./scripts/gc.spread.sheets.all.xx.x.x.min.js" type="application/javascript"></script>
     <!--For client-side excel i/o-->
     <script src="./scripts/interop/gc.spread.excelio.xx.x.x.min.js"></script>
 </head>
 <body>
 <div>
     <input type="file" name="files[]" id="fileDemo" accept=".xlsx,.xls"/>
     <input type="button" id="loadExcel" value="Import" onclick="ImportFile()"/>  
     <input type="button" class="btn btn-default" id="saveExcel" value="Export" onclick="ExportFile()"/>
 <input type="text" id="exportFileName" placeholder="Export file name" class="form-control" value="export.xlsx"/>
     <div id="ss" style="width:100%;height:500px"></div>
 </div>
 </div>
 </body>
 <script>
    window.onload = function () {
        workbook = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
        excelIO = new GC.Spread.Excel.IO();
     }
    function ImportFile() {
         var excelFile = document.getElementById("fileDemo").files[0];
         excelIO.open(excelFile, function (json) {
             var workbookObj = JSON.parse(json);
            workbook.fromJSON(workbookObj);
         }, function (e) {
             console.log(e);
         });
     }
    function ExportFile() {
         var fileName = document.getElementById("exportFileName").value;
         if (fileName.substr(-5, 5) !== '.xlsx') {
             fileName += '.xlsx';
         }
         var json = JSON.stringify(workbook.toJSON());
         excelIO.save(json, function (blob) {
             saveAs(blob, fileName);
         }, function (e) {
             console.log(e);
         });
     }
 </script>
 </html>