通过C++用JavaScript更改刻度标签方向
Contents
[
Hide
]
更改刻度标签方向
Aspose.Cells 通过使用 TickLabels.directionType 属性提供更改图表刻度标签方向的能力。 TickLabels.directionType 属性接受 ChartTextDirectionType 枚举值。 ChartTextDirectionType 枚举包含以下成员：
- 水平
- 垂直
- 旋转90度
- 旋转270度
- 堆叠
以下图像比较了源文件和输出文件
源文件图像
输出文件图像
以下代码片段将刻度标签方向从Rotate90更改为水平方向
示例代码
<!DOCTYPE html>
<html>
<head>
<title>Aspose.Cells Example</title>
</head>
<body>
<h1>Change Tick Label Direction Example</h1>
<input type="file" id="fileInput" accept=".xls,.xlsx,.csv" />
<button id="runExample">Run Example</button>
<a id="downloadLink" style="display: none;"></a>
<div id="result"></div>
</body>
<script src="aspose.cells.js.min.js"></script>
<script type="text/javascript">
const { Workbook, SaveFormat, ChartTextDirectionType } = 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 result = document.getElementById('result');
if (!fileInput.files.length) {
result.innerHTML = '<p style="color: red;">Please select an Excel file.</p>';
return;
}
const file = fileInput.files[0];
const arrayBuffer = await file.arrayBuffer();
const workbook = new Workbook(new Uint8Array(arrayBuffer));
const worksheet = workbook.worksheets.get(0);
const chart = worksheet.charts.get(0);
chart.categoryAxis.tickLabels.directionType = ChartTextDirectionType.Horizontal;
const outputData = workbook.save(SaveFormat.Xlsx);
const blob = new Blob([outputData]);
const downloadLink = document.getElementById('downloadLink');
downloadLink.href = URL.createObjectURL(blob);
downloadLink.download = 'outputChangeChartDataLableDirection.xlsx';
downloadLink.style.display = 'block';
downloadLink.textContent = 'Download Excel File';
result.innerHTML = '<p style="color: green;">Tick label direction changed. Click the download link to get the modified file.</p>';
});
</script>
</html>
可以从以下链接下载源文件和输出文件。