从 HTML 导入时避免大数的指数表示法
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有时您的 HTML 包含像 1234567890123456 这样长于 15 位的数字，当您将 HTML 导入 excel 文件时，这些数字会转换为指数表示法，例如 1.23457E+15。如果你愿意，你的数字应该原样导入而不是转换为指数表示法，那么请使用HtmlLoadOptions.KeepPrecision属性并设置它真的在加载您的 HTML 时。
从 HTML 导入时避免大数的指数表示法
下面的示例代码解释了HtmlLoadOptions.KeepPrecision财产。它会按原样导入数字，而不会将其转换为指数表示法。
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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.getSharedDataDir(KeepPrecisionOfLargeNumbers.class) + "TechnicalArticles/"; | |
| // Sample Html containing large number with digits greater than 15 | |
| String html = "<html>" + "<body>" + "<p>1234567890123456</p>" + "</body>" + "</html>"; | |
| // Convert Html to byte array | |
| byte[] byteArray = html.getBytes(); | |
| // Set Html load options and keep precision true | |
| HtmlLoadOptions loadOptions = new HtmlLoadOptions(LoadFormat.HTML); | |
| loadOptions.setKeepPrecision(true); | |
| // Convert byte array into stream | |
| java.io.ByteArrayInputStream stream = new java.io.ByteArrayInputStream(byteArray); | |
| // Create workbook from stream with Html load options | |
| Workbook workbook = new Workbook(stream, loadOptions); | |
| // Access first worksheet | |
| Worksheet worksheet = workbook.getWorksheets().get(0); | |
| // Auto fit the sheet columns | |
| worksheet.autoFitColumns(); | |
| // Save the workbook | |
| workbook.save(dataDir + "KPOfLargeNumbers_out.xlsx", SaveFormat.XLSX); | |
| System.out.println("File saved"); |