Spire.Office for Java is a combination of Enterprise-Level Office Java APIs offered by E-iceblue. It includes Spire.Doc for Java, Spire.XLS for Java, Spire.Presentation for Java, Spire.PDF for Java and Spire.Barcode for Java.
Developers can use Spire.Office for Java to perform a wide range of office document operations in Java applications, such as opening, creating, modifying, converting and printing Word, Excel, PowerPoint and PDF documents, generating and scanning 1D&2D barcodes.
As an independent Office Java library, Spire.Office for Java doesn't need Microsoft Office to be installed on either the development or target systems.文章来源：https://www.toymoban.com/news/detail-728966.html
文章来源地址https://www.toymoban.com/news/detail-728966.html
| Here is a list of changes made in this release | ||
| Spire.XLS for Java | ||
| Category | ID | Description |
| New feature | SPIREXLS-4896 | Supports verifying whether the password for restricted editing is correct. |
| worksheet.checkProtectionPassword(String password) | ||
| Bug | SPIREXLS-4879 | Fixes the issue that the content of the document was incorrect when converting Excel to PDF. |
| Bug | SPIREXLS-4890 | Fixes the issue that the content in charts was incorrect when converting Excel to images. |
| SPIREXLS-4908 | ||
| Bug | SPIREXLS-4893 | Fixes the issue that table borders were lost when converting Excel to OFD. |
| Bug | SPIREXLS-4900 | Fixes the issue that the program threw "Invalid ValidationAlertType string val" when loading an Excel file. |
| Bug | SPIREXLS-4901 | Fixes the issue that pivot table calculated fields couldn’t be added as column fields. |
| Bug | SPIREXLS-4902 | Fixes the issue that the names of pivot table calculated fields were automatically prefixed with "Sum of". |
| Bug | SPIREXLS-4910 | Fixes the issue that the program threw "java.lang.ClassException" when loading an Excel file. |
| Spire.PDF for Java | ||
| Category | ID | Description |
| New feature | - | Synchronizes the new encryption and decryption interface to Java, and supports configuring the AES encryption algorithm. |
| PdfEncryptionAlgorithm.AES | ||
|
//Create password security policies
| ||
| PdfSecurityPolicy securityPolicy = new PdfPasswordSecurityPolicy("", "123456"); | ||
| //Set AES encryption algorithm | ||
| securityPolicy.setEncryptionAlgorithm( PdfEncryptionAlgorithm.AES_256); | ||
| //Set document permissions (ownership), default is ForbidAll. | ||
| securityPolicy.setDocumentPrivilege(PdfDocumentPrivilege.getForbidAll()); | ||
| securityPolicy.getDocumentPrivilege().setAllowDegradedPrinting(true); | ||
| securityPolicy.getDocumentPrivilege().setAllowModifyAnnotations(true); | ||
| securityPolicy.getDocumentPrivilege().setAllowAssembly(true); | ||
| securityPolicy.getDocumentPrivilege().setAllowModifyContents(true); | ||
| securityPolicy.getDocumentPrivilege().setAllowFillFormFields(true); | ||
| securityPolicy.getDocumentPrivilege().setAllowPrint(true); | ||
| pdf.encrypt(securityPolicy); | ||
|
PdfDocument pdf = new PdfDocument();
| ||
| //Pass the open password to open the PDF document | ||
| pdf.loadFromFile(inputFile, "1234"); | ||
| //Decrypt | ||
| pdf.decrypt(); | ||
| pdf.saveToFile(outputFile, FileFormat.PDF); | ||
| pdf.dispose(); | ||
| New feature | SPIREPDF-6306 | Supports setting the names of existing fields. |
| PdfDocument document=new PdfDocument(); | ||
| document.loadFromFile("input.pdf"); | ||
| PdfFormWidget formWidget = (PdfFormWidget)document.getForm(); | ||
| for (int i = 0; i < formWidget.getFieldsWidget().getCount(); i++) | ||
| { | ||
| PdfField field = (PdfField)formWidget.getFieldsWidget().get(i); | ||
| for (PdfFieldWidget widget : (Iterable<? extends PdfFieldWidget>) formWidget.getFieldsWidget()) | ||
| { | ||
| if (widget.getName() == "oldName") | ||
| { | ||
| widget.setName("NewName"); | ||
| } | ||
| } | ||
| } | ||
| document.saveToFile("result.pdf",FileFormat.PDF); | ||
| Bug | SPIREPDF-6253 | Fixes the issue that the background was incorrect after converting PDF to SVG. |
| SPIREPDF-6313 | ||
| Bug | SPIREPDF-6275 | Fixes the issue that the shape color was incorrect and the content was missing after converting PDF to PPTX. |
| Bug | SPIREPDF-6277 | Fixes the issue that images were obstructed after converting PDF to PPTX. |
| Bug | SPIREPDF-6300 | Fixes the issue that the standard validation failed after converting PDF to PDFA2B. |
| Bug | SPIREPDF-6307 | Fixes the issue that stamps were lost after converting OFD to PDF. |
| Bug | SPIREPDF-6324 | Fixes the issue that the program threw "NullPointerException" when loading PDF. |
| Spire.Doc for Java | ||
| Category | ID | Description |
| New feature | SPIREDOC-9912 | Synchronizes the AppendHorizonalLine() method to Java. |
| paragraph.appendHorizonalLine() | ||
| New feature | - | Supports switching fonts that do not support drawing characters through the FontFallbackRule method in XML when converting to a non-flow layout document. |
| Document doc = new Document(); | ||
| doc.loadFromFile(inputFile); | ||
| doc.saveFontFallbackRuleSettings(outputFile_xml); | ||
| doc.loadFontFallbackRuleSettings(outputFile_xml); | ||
| doc.saveToFile(outputFile, FileFormat.PDF); | ||
| Instructions: | ||
| If there is no XML available, first save an XML using saveFontFallbackRuleSettings and then manually edit the font replacement rules in the XML. | ||
| The rules consist of three attributes: Ranges correspond to Unicode ranges for each character; FallbackFonts correspond to the font names for substitution; BaseFonts correspond to the font names for characters in the document. | ||
| When editing the XML, it is important to note that the rules are searched from top to bottom for character matching. | ||
| After editing the XML, load the rules using the loadFontFallbackRuleSettings method. | ||
| Bug | SPIREDOC-9711 | Fixes the issue that the program threw "OutOfMemoryError" when using WPS rules to convert Word to PDF. |
| Bug | SPIREDOC-9781 | Fixes the issue that the embedding of "楷体_GB2312" font failed. |
| Bug | SPIREDOC-9842 | Fixes the issue that the Chinese characters garbled after converting RTF to PDF. |
| Bug | SPIREDOC-9854 | Fixes the issue that the editable area was changed after saving the Word document. |
| Bug | SPIREDOC-9860 | Fixes the issue that the editable area was changed after modifying Word documents. |
| Bug | SPIREDOC-9862 | Fixes the issue that the result of setting image zoom size was incorrect. |
| Bug | SPIREDOC-9871 | Fixes the issue that the table style was incorrect after converting Word to HTML. |
| Bug | SPIREDOC-9880 | Fixes the issue that the font size was incorrect after converting HTML to Word. |
| Bug | SPIREDOC-9891 | Fixes the issue that each value would be displayed twice after doing mail merging using executeWidthNestedRegion() method. |
| Bug | SPIREDOC-9892 | Fixes the issue that the file became much larger after converting Word to OFD. |
| Spire.Presentation for Java | ||
| Category | ID | Description |
| New feature | SPIREPPT-2328 | Supports converting PowerPoint documents to SVGZ documents. |
| Presentation ppt = new Presentation(); | ||
| ppt.loadFromFile("input.pptx"); | ||
| List bytes = ppt.saveToSVGZ(); | ||
| for (int i = 0; i < bytes.size(); i++) { | ||
| FileOutputStream fileOutputStream = new FileOutputStream("slide" + i + ".svgz"); | ||
| fileOutputStream.write(bytes.get(i)); | ||
| fileOutputStream.flush(); | ||
| fileOutputStream.close(); | ||
| } | ||
| New feature | SPIREPPT-2372 | Supports converting specified slides to SVG documents. |
| Presentation ppt = new Presentation(); | ||
| ppt.loadFromFile("input.pptx"); | ||
| List bytes = ppt.saveToSVG(0, 36); | ||
| for (int i = 0; i < bytes.size(); i++) { | ||
| FileOutputStream fileOutputStream = new FileOutputStream("slide" + (i + 1) + ".svg"); | ||
| fileOutputStream.write(bytes.get(i)); | ||
| fileOutputStream.flush(); | ||
| fileOutputStream.close(); | ||
| } | ||
| Bug | SPIREPPT-2343 | Fixes the issue that the display of the content was incomplete after converting PowerPoint to PDF. |
| Bug | SPIREPPT-2369 | Fixes the issue that the hand-drawn pictures were lost after converting PowerPoint to PDF. |
| Bug | SPIREPPT-2377 | Fixes the issue that the program threw an exception java.lang.NullPointerException when loading PowerPoint documents. |
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