Impostare le opzioni di pagina con JavaScript via C++
Impostazioni pagina
Le opzioni di configurazione della pagina sono completamente supportate in Aspose.Cells. Questo articolo spiega come impostare le opzioni di pagina con Aspose.Cells e mostra esempi di codice per impostare:
Aspose.Cells fornisce una classe, Workbook, che rappresenta un file Microsoft Excel. La classe Workbook contiene una raccolta worksheets che consente l’accesso a ogni foglio di lavoro nel file Excel. Un foglio di lavoro è rappresentato dalla classe Worksheet.
La classe Worksheet fornisce la proprietà PageSetup che viene usata per impostare le opzioni di configurazione della pagina del foglio di lavoro. In effetti, questa proprietà PageSetup è un oggetto della classe PageSetup usato per impostare diversi layout di pagina per un foglio di lavoro stampato. La classe PageSetup fornisce varie proprietà utilizzate per impostare le opzioni di configurazione della pagina. Alcune di queste proprietà sono discusse di seguito.
Orientamento pagina
L’orientamento della pagina può essere impostato su verticale o orizzontale utilizzando la proprietà orientation della classe PageSetup. La proprietà orientation accetta uno dei valori predefiniti nell’enumerazione PageOrientationType, elencati di seguito.
| Tipi di orientamento pagina | Descrizione |
|---|---|
| Orientamento orizzontale | Landscape |
| Orientamento verticale | Portrait |
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example - Page Orientation</title>
</head>
<body>
<h1>Set Page Orientation Example</h1>
<p>You may optionally select an existing Excel file to modify. If none is selected, a new workbook will be used.</p>
<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, PageOrientationType } = 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 (fileInput.files.length === 0) {
// No file selected - will operate on a new workbook
document.getElementById('result').innerHTML = '<p>No file selected. A new workbook will be created and modified.</p>';
} else {
document.getElementById('result').innerHTML = '<p>File selected. The workbook will be loaded and modified.</p>';
}
// Load workbook from selected file if provided, otherwise create a new one
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 in the workbook
const worksheet = workbook.worksheets.get(0);
// Setting the orientation to Portrait (property assignment per getter/setter conversion)
worksheet.pageSetup.orientation = PageOrientationType.Portrait;
// Save the Workbook as Excel97To2003 (.xls)
const outputData = workbook.save(SaveFormat.Excel97To2003);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'PageOrientation_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Modified Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Orientation set to Portrait. Click the download link to get the modified file.</p>';
});
</script>
</html>
Fattore di scala
È possibile ridurre o ingrandire la dimensione di un foglio di lavoro regolando il fattore di scala con la proprietà zoom.
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Scaling Factor Example</title>
</head>
<body>
<h1>Scaling Factor Example</h1>
<p>Select an existing Excel file to modify or leave empty to create a new workbook.</p>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Set Scaling Factor to 100</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');
let workbook;
if (fileInput.files && fileInput.files.length) {
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
workbook = new Workbook(new Uint8Array(arrayBuffer));
} else {
// Create a new empty workbook
workbook = new Workbook();
}
// Accessing the first worksheet in the Excel file
const worksheet = workbook.worksheets.get(0);
// Setting the scaling factor to 100
worksheet.pageSetup.zoom = 100;
// Saving the workbook and preparing download link
const outputData = workbook.save(SaveFormat.Excel97To2003);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'ScalingFactor_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Modified Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Scaling factor set to 100. Click the download link to get the modified file.</p>';
});
</script>
</html>
Opzioni di AdattaPagina
Per adattare il contenuto del foglio di lavoro a un numero specifico di pagine, usa le proprietà fitToPagesTall e fitToPagesWide della classe PageSetup. Queste proprietà vengono anche utilizzate per scalare i fogli di lavoro.
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Fit To Pages 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 (!fileInput.files.length) {
// No file selected: create a new workbook
const workbook = new Workbook();
// Accessing the first worksheet in the Excel file
const worksheet = workbook.worksheets.get(0);
// Setting the number of pages to which the length of the worksheet will be spanned
worksheet.pageSetup.fitToPagesTall = 1;
// Setting the number of pages to which the width of the worksheet will be spanned
worksheet.pageSetup.fitToPagesWide = 1;
// Saving the modified 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 = 'FitToPagesOptions_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Operation completed successfully! Click the download link to get the modified file.</p>';
return;
}
// If a file is selected, load it and apply the same operations
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
const workbook = new Workbook(new Uint8Array(arrayBuffer));
// Accessing the first worksheet in the Excel file
const worksheet = workbook.worksheets.get(0);
// Setting the number of pages to which the length of the worksheet will be spanned
worksheet.pageSetup.fitToPagesTall = 1;
// Setting the number of pages to which the width of the worksheet will be spanned
worksheet.pageSetup.fitToPagesWide = 1;
// Saving the modified 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 = 'FitToPagesOptions_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Operation completed successfully! Click the download link to get the modified file.</p>';
});
</script>
</html>
Formato Carta
Imposta le dimensioni della carta su cui verranno stampati i fogli di lavoro utilizzando la proprietà paperSize della classe PageSetup. La proprietà paperSize accetta uno dei valori predefiniti dell’enumerazione PaperSizeType, elencati di seguito.
| Tipi di Formato Carta | Descrizione |
|---|---|
| PaperLetter | Letter (8-1/2 in. x 11 in.) |
| PaperLetterSmall | Letter Small (8-1/2 in. x 11 in.) |
| PaperTabloid | Tabloid (11 in. x 17 in.) |
| PaperLedger | Ledger (17 in. x 11 in.) |
| PaperLegal | Legal (8-1/2 in. x 14 in.) |
| PaperStatement | Statement (5-1/2 in. x 8-1/2 in.) |
| PaperExecutive | Executive (7-1/4 in. x 10-1/2 in.) |
| PaperA3 | A3 (297 mm x 420 mm) |
| PaperA4 | A4 (210 mm x 297 mm) |
| PaperA4Small | A4 Small (210 mm x 297 mm) |
| PaperA5 | A5 (148 mm x 210 mm) |
| PaperB4 | JIS B4 (257 mm x 364 mm) |
| PaperB5 | JIS B5 (182 mm x 257 mm) |
| PaperFolio | Folio (8-1/2 in. x 13 in.) |
| PaperQuarto | Quarto (215 mm x 275 mm) |
| Paper10x14 | 10 in. x 14 in. |
| Paper11x17 | 11 in. x 17 in. |
| PaperNote | Note (8-1/2 in. x 11 in.) |
| PaperEnvelope9 | Envelope #9 (3-7/8 in. x 8-7/8 in.) |
| PaperEnvelope10 | Envelope #10 (4-1/8 in. x 9-1/2 in.) |
| PaperEnvelope11 | Envelope #11 (4-1/2 in. x 10-3/8 in.) |
| PaperEnvelope12 | Envelope #12 (4-1/2 in. x 11 in.) |
| PaperEnvelope14 | Envelope #14 (5 in. x 11-1/2 in.) |
| PaperCSheet | C size sheet |
| PaperDSheet | D size sheet |
| PaperESheet | E size sheet |
| PaperEnvelopeDL | Envelope DL (110 mm x 220 mm) |
| PaperEnvelopeC5 | Envelope C5 (162 mm x 229 mm) |
| PaperEnvelopeC3 | Envelope C3 (324 mm x 458 mm) |
| PaperEnvelopeC4 | Envelope C4 (229 mm x 324 mm) |
| PaperEnvelopeC6 | Envelope C6 (114 mm x 162 mm) |
| PaperEnvelopeC65 | Envelope C65 (114 mm x 229 mm) |
| PaperEnvelopeB4 | Envelope B4 (250 mm x 353 mm) |
| PaperEnvelopeB5 | Envelope B5 (176 mm x 250 mm) |
| PaperEnvelopeB6 | Envelope B6 (176 mm x 125 mm) |
| PaperEnvelopeItaly | Envelope Italy (110 mm x 230 mm) |
| PaperEnvelopeMonarch | Envelope Monarch (3-7/8 in. x 7-1/2 in.) |
| PaperEnvelopePersonal | Envelope (3-5/8 in. x 6-1/2 in.) |
| PaperFanfoldUS | U.S. Standard Fanfold (14-7/8 in. x 11 in.) |
| PaperFanfoldStdGerman | German Standard Fanfold (8-1/2 in. x 12 in.) |
| PaperFanfoldLegalGerman | German Legal Fanfold (8-1/2 in. x 13 in.) |
| PaperISOB4 | B4 (ISO) 250 x 353 mm |
| PaperJapanesePostcard | Japanese Postcard (100mm x 148mm) |
| Paper9x11 | 9 in. x 11 in. |
| Paper10x11 | 10 in. x 11 in. |
| Paper15x11 | 15 in. x 11 in. |
| PaperEnvelopeInvite | Envelope Invite(220mm x 220mm) |
| PaperLetterExtra | US Letter Extra 9 \275 x 12 in |
| PaperLegalExtra | US Legal Extra 9 \275 x 15 in |
| PaperTabloidExtra | US Tabloid Extra 11.69 x 18 in |
| PaperA4Extra | A4 Extra 9.27 x 12.69 in |
| PaperLetterTransverse | Letter Transverse 8 \275 x 11 in |
| PaperA4Transverse | A4 Transverse 210 x 297 mm |
| PaperLetterExtraTransverse | Letter Extra Transverse 9\275 x 12 in |
| PaperSuperA | SuperA/SuperA/A4 227 x 356 mm |
| PaperSuperB | SuperB/SuperB/A3 305 x 487 mm |
| PaperLetterPlus | US Letter Plus 8.5 x 12.69 in |
| PaperA4Plus | A4 Plus 210 x 330 mm |
| PaperA5Transverse | A5 Transverse 148 x 210 mm |
| PaperJISB5Transverse | B5 (JIS) Transverse 182 x 257 mm |
| PaperA3Extra | A3 Extra 322 x 445 mm |
| PaperA5Extra | A5 Extra 174 x 235 mm |
| PaperISOB5Extra | B5 (ISO) Extra 201 x 276 mm |
| PaperA2 | A2 420 x 594 mm |
| PaperA3Transverse | A3 Transverse 297 x 420 mm |
| PaperA3ExtraTransverse | A3 Extra Transverse 322 x 445 mm |
| PaperJapaneseDoublePostcard | Japanese Double Postcard 200 x 148 mm |
| PaperA6 | A6 105 x 148 mm |
| PaperJapaneseEnvelopeKaku2 | Japanese Envelope Kaku #2 |
| PaperJapaneseEnvelopeKaku3 | Japanese Envelope Kaku #3 |
| PaperJapaneseEnvelopeChou3 | Japanese Envelope Chou #3 |
| PaperJapaneseEnvelopeChou4 | Japanese Envelope Chou #4 |
| PaperLetterRotated | 11in x 8.5in |
| PaperA3Rotated | 420mm x 297mm |
| PaperA4Rotated | 297mm x 210mm |
| PaperA5Rotated | 210mm x 148mm |
| PaperJISB4Rotated | B4 (JIS) Rotated 364 x 257 mm |
| PaperJISB5Rotated | B5 (JIS) Rotated 257 x 182 mm |
| PaperJapanesePostcardRotated | Japanese Postcard Rotated 148 x 100 mm |
| PaperJapaneseDoublePostcardRotated | Double Japanese Postcard Rotated 148 x 200 mm |
| PaperA6Rotated | A6 Rotated 148 x 105 mm |
| PaperJapaneseEnvelopeKaku2Rotated | Japanese Envelope Kaku #2 Rotated |
| PaperJapaneseEnvelopeKaku3Rotated | Japanese Envelope Kaku #3 Rotated |
| PaperJapaneseEnvelopeChou3Rotated | Japanese Envelope Chou #3 Rotated |
| PaperJapaneseEnvelopeChou4Rotated | Japanese Envelope Chou #4 Rotated |
| PaperJISB6 | B6 (JIS) 128 x 182 mm |
| PaperJISB6Rotated | B6 (JIS) Rotated 182 x 128 mm |
| Paper12x11 | 12 x 11 in |
| PaperJapaneseEnvelopeYou4 | Japanese Envelope You #4 |
| PaperJapaneseEnvelopeYou4Rotated | Japanese Envelope You #4 Rotated |
| PaperPRC16K | PRC 16K 146 x 215 mm |
| PaperPRC32K | PRC 32K 97 x 151 mm |
| PaperPRCBig32K | PRC 32K(Big) 97 x 151 mm |
| PaperPRCEnvelope1 | PRC Envelope #1 102 x 165 mm |
| PaperPRCEnvelope2 | PRC Envelope #2 102 x 176 mm |
| PaperPRCEnvelope3 | PRC Envelope #3 125 x 176 mm |
| PaperPRCEnvelope4 | PRC Envelope #4 110 x 208 mm |
| PaperPRCEnvelope5 | PRC Envelope #5 110 x 220 mm |
| PaperPRCEnvelope6 | PRC Envelope #6 120 x 230 mm |
| PaperPRCEnvelope7 | PRC Envelope #7 160 x 230 mm |
| PaperPRCEnvelope8 | PRC Envelope #8 120 x 309 mm |
| PaperPRCEnvelope9 | PRC Envelope #9 229 x 324 mm |
| PaperPRCEnvelope10 | PRC Envelope #10 324 x 458 mm |
| PaperPRC16KRotated | PRC 16K Rotated |
| PaperPRC32KRotated | PRC 32K Rotated |
| PaperPRCBig32KRotated | PRC 32K(Big) Rotated |
| PaperPRCEnvelope1Rotated | PRC Envelope #1 Rotated 165 x 102 mm |
| PaperPRCEnvelope2Rotated | PRC Envelope #2 Rotated 176 x 102 mm |
| PaperPRCEnvelope3Rotated | PRC Envelope #3 Rotated 176 x 125 mm |
| PaperPRCEnvelope4Rotated | PRC Envelope #4 Rotated 208 x 110 mm |
| PaperPRCEnvelope5Rotated | PRC Envelope #5 Rotated 220 x 110 mm |
| PaperPRCEnvelope6Rotated | PRC Envelope #6 Rotated 230 x 120 mm |
| PaperPRCEnvelope7Rotated | PRC Envelope #7 Rotated 230 x 160 mm |
| PaperPRCEnvelope8Rotated | PRC Envelope #8 Rotated 309 x 120 mm |
| PaperPRCEnvelope9Rotated | PRC Envelope #9 Rotated 324 x 229 mm |
| PaperPRCEnvelope10Rotated | PRC Envelope #10 Rotated 458 x 324 mm |
| PaperB3 | usual B3(13.9 x 19.7 in) |
| PaperBusinessCard | Business Card(90mm x 55 mm) |
| PaperThermal | Thermal(3 x 11 in) |
| Custom | Represents the custom paper size. |
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Manage Paper Size 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 (!fileInput.files.length) {
// proceed with a new blank workbook if no file selected
}
// Instantiate or load 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 in the Excel file
const worksheet = workbook.worksheets.get(0);
// Setting the paper size to A4
worksheet.pageSetup.paperSize = AsposeCells.PaperSizeType.PaperA4;
// Save the Workbook and provide download link
const outputData = workbook.save(SaveFormat.Excel97To2003);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'ManagePaperSize_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Paper size set to A4. Click the download link to save the file.</p>';
});
</script>
</html>
Qualità di Stampa
Impostare la qualità di stampa dei fogli di lavoro da stampare con la proprietà printQuality. L’unità di misura per la qualità di stampa è Punti per Pollice (DPI).
<!DOCTYPE html>
<html>
<head>
<title>Set Print Quality Example</title>
</head>
<body>
<h1>Set Print Quality 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, Utils } = 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');
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();
}
const worksheet = workbook.worksheets.get(0);
// Setting the print quality of the worksheet to 180 dpi
worksheet.pageSetup.printQuality = 180;
const outputData = workbook.save(SaveFormat.Excel97To2003);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'SetPrintQuality_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">Print quality set to 180 dpi. Click the download link to save the file.</p>';
});
</script>
</html>
Numero della Prima Pagina
Inizia la numerazione delle pagine del foglio di lavoro usando la proprietà firstPageNumber della classe PageSetup. La proprietà firstPageNumber imposta il numero della prima pagina del foglio di lavoro e le pagine successive sono numerate in ordine crescente.
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Set First Page Number 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, Utils } = 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 () => {
// Creating a new Workbook object (blank workbook)
const workbook = new Workbook();
// Accessing the first worksheet in the Excel file
const worksheet = workbook.worksheets.get(0);
// Setting the first page number of the worksheet pages
worksheet.pageSetup.firstPageNumber = 2;
// Saving the Workbook and preparing download link
const outputData = workbook.save(SaveFormat.Excel97To2003);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'SetFirstPageNumber_out.xls';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
document.getElementById('result').innerHTML = '<p style="color: green;">First page number set to 2. Click the download link to get the modified file.</p>';
});
</script>
</html>