使用 JavaScript 通过 C++ 将日期转换为日本日期
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在日本** **历法中，新的一个时代开始于新天皇的即位。2019年5月1日，新天皇即位，平成时代结束，令和时代开始。
Aspose.Cells 提供一种将公历日期转换为日本日期的方法。在此转换过程中，也考虑了时代的变化。下面的代码片段将包含公历日期的源Excel文件转换为带有日本日期的输出PDF，如下图所示。
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Convert Excel with Japanese Dates to PDF</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, LoadOptions, LoadFormat, CountryCode } = 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) {
document.getElementById('result').innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
// Create LoadOptions for XLSX and set language/region to Japan
const options = new LoadOptions(LoadFormat.Xlsx);
options.languageCode = CountryCode.Japan;
options.region = CountryCode.Japan;
// Instantiate workbook from uploaded file with load options
const workbook = new Workbook(new Uint8Array(arrayBuffer), options);
// Save workbook to PDF format
const outputData = workbook.save(SaveFormat.Pdf);
const blob = new Blob([outputData], { type: 'application/pdf' });
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'JapaneseDates.pdf';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download PDF File';
document.getElementById('result').innerHTML = '<p style="color: green;">PDF created successfully! Click the download link to get the file.</p>';
});
</script>
</html>