将带有图像和图表的 XLS 转换为 PDF
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Aspose.Cells 支持将包含图像和图表的 XLS 文件转换为 PDF 文档。 Aspose.Cells for Java 可以独立工作，将电子表格转换为 PDF： Aspose.PDF 转换不需要 API。
该过程可以在内存中完成，因为该过程不依赖于临时或中间 XML 文件。这意味着可以快速高效地转换大型 Excel 文件，例如包含图像、图表和其他绘图对象的文件。
如果电子表格包含公式，最好调用[工作簿.计算公式](https://reference.aspose.com/cells/java/com.aspose.cells/workbook#calculateFormula()方法就在渲染到 PDF 之前。这样做可以确保重新计算公式相关值，并在 PDF 中渲染正确的值。
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| // For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java | |
| // The path to the documents directory. | |
| String dataDir = Utils.getDataDir(ConvertXLSFileToPDF.class); | |
| //Create a new Workbook | |
| Workbook book = new Workbook(dataDir + "SampleInput.xlsx"); | |
| //Save the excel file to PDF format | |
| book.save(dataDir + "output.pdf", SaveFormat.PDF); |