使用JavaScript通过C++监控运行中的程序
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如何监控运行中的程序
以下示例代码演示如何监控一个运行中的程序。此代码可用于监控Workbook相关代码。只需使用SystemTimeInterruptMonitor类创建监控对象，使用LoadOptions.interruptMonitor(AbstractInterruptMonitor)方法添加到LoadOptions参数中，然后用startMonitor函数设置预期中断时间（毫秒）。如果监控代码的运行时间超出预期，程序将中断并抛出异常。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Interrupt Monitor Example</title>
</head>
<body>
<h1>Interrupt Monitor 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, LoadOptions, SystemTimeInterruptMonitor, 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');
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 interrupt monitor and load options
const monitor = new SystemTimeInterruptMonitor(false);
const lopts = new LoadOptions();
lopts.interruptMonitor = monitor;
monitor.startMonitor(1000); // time limit is 1 second
// Load the workbook with the specified load options
const wb = new Workbook(new Uint8Array(arrayBuffer), lopts);
// If loading completed within time, start monitoring save
monitor.startMonitor(1500); // time limit is 1.5 seconds
const outputData = wb.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'result.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Result.xlsx';
document.getElementById('result').innerHTML = '<p style="color: green;">Operation completed successfully! Click the download link to get the resulting file.</p>';
});
</script>
</html>