ExcelとODSファイルの条件付き書式を設定する
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紹介
条件付き書式は、高度な機能で、セルまたはセル範囲に書式を適用し、その書式がセルの値や式の値に応じて変化します。例えば、セルの値が500より大きい場合にのみ太字を表示することができます。 条件を満たすと指定された書式がセルに適用され、条件を満たさない場合は標準の書式が使用されます。Microsoft Excelでは、書式を選択し、次に条件付き書式をクリックして条件付き書式のダイアログを開きます。
Aspose.Cells はセルに条件付き書式を実行時に適用することをサポートしています。この記事ではその方法を説明します。また、Excel が色スケールの条件付き書式に使用する色の計算方法も説明します。
条件付き書式の適用
Aspose.Cells はいくつかの方法で条件付き書式をサポートしています。
- デザイナー スプレッドシートを使用
- コピー メソッドを使用
- 実行時に条件付き書式を作成
デザイナー スプレッドシートを使用
開発者は、Microsoft Excel で条件付き書式を含むデザイナー スプレッドシートを作成し、そのスプレッドシートを Aspose.Cells で開くことができます。 Aspose.Cells は、デザイナー スプレッドシートを読み込み、保持し、条件付き書式の設定を保持します。
コピー メソッドを使用
Aspose.Cells は、ワークシート内のセルから別のセルへ条件付き書式設定をコピーすることができます。
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Extract Conditional Formatting Icon Image</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;">Download Result</a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat, Worksheet, Cell } = AsposeCells;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
});
document.getElementById('runExample').addEventListener('click', async () => {
const fileInput = document.getElementById('fileInput');
const resultDiv = document.getElementById('result');
const downloadLink = document.getElementById('downloadLink');
if (!fileInput.files.length) {
resultDiv.innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Open workbook from uploaded file
const workbook = new Workbook(new Uint8Array(arrayBuffer));
// Get the first worksheet in the workbook
const sheet = workbook.worksheets.get(0);
// Get the A1 cell
const cell = sheet.cells.get("A1");
// Get the conditional formatting result object
const cfr = cell.conditionalFormattingResult;
// Get the icon set
const icon = cfr.conditionalFormattingIcon;
// Get image data from the icon
const imageData = icon.imageData;
// Create a blob and provide download link for the image
const blob = new Blob([imageData], { type: "image/jpeg" });
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'imgIcon.out.jpg';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Image File';
resultDiv.innerHTML = '<p style="color: green;">Image extracted successfully! Click the download link to save the image.</p>';
});
</script>
</html>
ランタイムで条件付き書式を適用
Aspose.Cells では、条件付き書式をランタイムで追加および削除することができます。以下のコードサンプルでは、条件付き書式の設定方法を示しています。
- ワークブックをインスタンス化してください。
- 空の条件付き書式を追加してください。
- 書式を適用する範囲を設定してください。
- 書式の条件を定義してください。
- ファイルを保存します。
この後に、フォント設定や罫線設定、パターン設定などの他の小さな例が続きます。
Microsoft Excel 2007はより高度な条件付き書式を追加し、Aspose.Cellsもサポートしています。ここでは簡単な書式設定の例を示し、Microsoft Excel 2007の例ではより高度な条件付き書式の適用方法を示します。
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Conditional Formatting Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;">Download Result</a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat } = AsposeCells;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
});
document.getElementById('runExample').addEventListener('click', async () => {
const fileInput = document.getElementById('fileInput');
// If a file is provided, open it; otherwise create a new workbook
let workbook;
if (fileInput.files.length) {
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
workbook = new Workbook(new Uint8Array(arrayBuffer));
} else {
workbook = new Workbook();
}
// Access the first worksheet
const sheet = workbook.worksheets.get(0);
// Adds an empty conditional formatting
const index = sheet.conditionalFormattings.count;
const fcs = sheet.conditionalFormattings.get(index);
// Sets the conditional format range.
let ca = AsposeCells.CellArea.createCellArea(0, 0, 0, 0);
fcs.addArea(ca);
ca = AsposeCells.CellArea.createCellArea(1, 1, 1, 1);
fcs.addArea(ca);
// Adds condition.
const conditionIndex = fcs.addCondition(AsposeCells.FormatConditionType.CellValue, AsposeCells.OperatorType.Between, "=A2", "100");
// Adds condition.
const conditionIndex2 = fcs.addCondition(AsposeCells.FormatConditionType.CellValue, AsposeCells.OperatorType.Between, "50", "100");
// Sets the background color.
const fc = fcs.get(conditionIndex);
fc.style.backgroundColor = AsposeCells.Color.Red;
// Saving the Excel file
const outputData = workbook.save(SaveFormat.Excel97To2003);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'output.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Modified Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Conditional formatting applied. Click the download link to get the modified file.</p>';
});
</script>
</html>
フォントの設定
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Extract Conditional Formatting Icon Image</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;">Download Result</a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat, Worksheet, Cell } = AsposeCells;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
});
document.getElementById('runExample').addEventListener('click', async () => {
const fileInput = document.getElementById('fileInput');
const resultDiv = document.getElementById('result');
if (!fileInput.files.length) {
resultDiv.innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Instantiating a Workbook object from the uploaded file
const workbook = new Workbook(new Uint8Array(arrayBuffer));
// Get the first worksheet in the workbook
const sheet = workbook.worksheets.get(0);
// Get the A1 cell
const cell = sheet.cells.get("A1");
// Get the conditional formatting result object
const cfr = cell.conditionalFormattingResult;
// Get the icon set
const icon = cfr.conditionalFormattingIcon;
// Get the image data from the icon
const imageData = icon.imageData;
// Create a Blob and provide a download link for the image
const blob = new Blob([imageData], { type: 'image/jpeg' });
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'imgIcon.out.jpg';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Image';
resultDiv.innerHTML = '<p style="color: green;">Image extracted successfully! Click the download link to save the image.</p>';
});
</script>
</html>
フォントスタイル、テキストの色、下線スタイル、取り消し線スタイルのみを変更できます。
境界線の設定
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Aspose.Cells Conditional Formatting Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;">Download Result</a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat, CellArea, FormatConditionType, OperatorType, BorderType, CellBorderType, Color } = AsposeCells;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
});
document.getElementById('runExample').addEventListener('click', async () => {
// This example creates a new workbook, adds conditional formatting and offers the result for download.
const workbook = new Workbook();
const sheet = workbook.worksheets.get(0);
// Adds an empty conditional formatting
const index = sheet.conditionalFormattings.add();
const fcs = sheet.conditionalFormattings.get(index);
// Sets the conditional format range.
const ca = CellArea.createCellArea(0, 0, 5, 3);
fcs.addArea(ca);
// Adds condition.
const conditionIndex = fcs.addCondition(FormatConditionType.CellValue, OperatorType.Between, "50", "100");
// Sets the borders' line style to dashed and colors
const fc = fcs.get(conditionIndex);
fc.style.borders.get(BorderType.LeftBorder).lineStyle = CellBorderType.Dashed;
fc.style.borders.get(BorderType.RightBorder).lineStyle = CellBorderType.Dashed;
fc.style.borders.get(BorderType.TopBorder).lineStyle = CellBorderType.Dashed;
fc.style.borders.get(BorderType.BottomBorder).lineStyle = CellBorderType.Dashed;
fc.style.borders.get(BorderType.LeftBorder).color = new Color(0, 255, 255);
fc.style.borders.get(BorderType.RightBorder).color = new Color(0, 255, 255);
fc.style.borders.get(BorderType.TopBorder).color = new Color(0, 255, 255);
fc.style.borders.get(BorderType.BottomBorder).color = new Color(255, 255, 0);
// Saving the modified Excel file
const outputData = workbook.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'output.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Conditional formatting added successfully! Click the download link to get the modified file.</p>';
});
</script>
</html>
アウトラインの境界線には細い線種のみ使用できます。斜線は許可されていません。
パターンの設定
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
<meta charset="utf-8" />
</head>
<body>
<h1>Add Conditional Formatting Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;">Download Result</a>
<div id="result"></div>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat } = AsposeCells;
AsposeCells.onReady({
license: "/lic/aspose.cells.enc",
fontPath: "/fonts/",
fontList: [
"arial.ttf",
"NotoSansSC-Regular.ttf"
]
}).then(() => {
console.log("Aspose.Cells initialized");
});
document.getElementById('runExample').addEventListener('click', async () => {
const fileInput = document.getElementById('fileInput');
const file = fileInput.files && fileInput.files.length ? fileInput.files[0] : null;
// Instantiate workbook from uploaded file or create a new one
let workbook;
if (file) {
const arrayBuffer = await file.arrayBuffer();
workbook = new Workbook(new Uint8Array(arrayBuffer));
} else {
workbook = new Workbook();
}
// Access the first worksheet
const sheet = workbook.worksheets.get(0);
// Adds an empty conditional formatting
const index = sheet.conditionalFormattings.add();
const fcs = sheet.conditionalFormattings.get(index);
// Sets the conditional format range.
const ca = AsposeCells.CellArea.createCellArea(0, 0, 5, 3);
fcs.addArea(ca);
// Adds condition.
const conditionIndex = fcs.addCondition(AsposeCells.FormatConditionType.CellValue, AsposeCells.OperatorType.Between, "50", "100");
const fc = fcs.get(conditionIndex);
// Apply style using property assignments (getter/setter conversion)
fc.style.pattern = AsposeCells.BackgroundType.ReverseDiagonalStripe;
fc.style.foregroundColor = new AsposeCells.Color(255, 255, 0);
fc.style.backgroundColor = new AsposeCells.Color(0, 255, 255);
// Save workbook to browser downloadable file
const outputData = workbook.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'output.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Result Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Conditional formatting added. Click the download link to get the modified file.</p>';
});
</script>
</body>
</html>