JavaScript与C++中的Z轴
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可能的使用场景
对于一些3D图表，如3D柱状图、3D锥体或3D金字塔，它们具有深度（系列）轴，也称为Z轴，可以进行调整。你可以指定刻度间隔、轴标签和其他操作。
像微软Excel一样处理主轴和次轴
请查看以下示例代码，创建一个新Excel文件并将图表数值放在第一个工作表。然后添加图表并设置图表类型为Column3D，你也可以看到Z轴（深度轴）。
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Aspose.Cells Chart Example (ZAxis)</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, ChartType } = 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();
// Instantiating a Workbook object from uploaded file
const workbook = new Workbook(new Uint8Array(arrayBuffer));
// Get the first worksheet
const worksheet = workbook.worksheets.get(0);
// Put values to cells for creating chart
worksheet.cells.get("A1").value = "A";
worksheet.cells.get("B1").value = "B";
worksheet.cells.get("C1").value = "C";
worksheet.cells.get("A2").value = 2;
worksheet.cells.get("A3").value = 1;
worksheet.cells.get("B2").value = 2;
worksheet.cells.get("B3").value = 3;
worksheet.cells.get("C2").value = 2;
worksheet.cells.get("C3").value = 3;
// Add a chart to the worksheet
const chartIndex = worksheet.charts.add(ChartType.Column3D, 9, 6, 25, 16);
// Access the instance of the newly added chart
const chart = worksheet.charts.get(chartIndex);
// Calculate the chart
chart.calculate();
// Add SeriesCollection (chart data source) to the chart ranging from "A2" cell to "C3"
chart.setChartDataRange("A2:C3", true);
// Hide the CategoryAxis axis
chart.categoryAxis.isVisible = false;
// Hide the ValueAxis axis
chart.valueAxis.isVisible = false;
// Save the file and provide download link
const outputData = workbook.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'ZAxis.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Modified 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>