我正在使用这些jar文件将excel和power point文件转换为PDF
aspose.slides-6.7.0.jar
aspose.slides-6.7.0-jdk14.jar
aspose-cells-7.3.4.jar
Aspose正在转换ppt和xls个文件，但它会在xlsx和pptx文件上引发异常。
现在我正在使用试用版
这是由于试用版还是我使用旧版Aspose？
这是例外
SEVERE: com.aspose.slides.UnsupportedFormatException: The file is ZIP archive. It can be Microsoft PowerPoint 2007 PPTX presentation.
at com.aspose.slides.eQ.break(Unknown Source)
at com.aspose.slides.eQ.<init>(Unknown Source)
at com.aspose.slides.eS.byte(Unknown Source)
at com.aspose.slides.eS.new(Unknown Source)
at com.aspose.slides.eS.<init>(Unknown Source)
at com.aspose.slides.uj.do(Unknown Source)
at com.aspose.slides.uj.<init>(Unknown Source)
at com.aspose.slides.Presentation.do(Unknown Source)
at com.aspose.slides.Presentation.<init>(Unknown Source)
at com.aspose.slides.Presentation.<init>(Unknown Source)
at com.delta.MiDAS.commonlibs.Utility.convertPPT(Utility.java:58)
at com.delta.MiDAS.controllers.DocumentInsertController.loadDocForPreview(DocumentInsertController.java:485)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at com.sun.el.parser.AstValue.invoke(AstValue.java:254)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:302)
at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:315)
at javax.faces.component.UIData.broadcast(UIData.java:1093)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1542)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:77)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:217)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)
这是我的转换代码
public void convertPPT(String Path) throws Exception{
Presentation pres = new Presentation(Path);
Integer index=Path.lastIndexOf(".");
String destPath=Path.substring(0, index)+".pdf";
pres.saveToPdf(destPath);
System.out.println("PPT file converted to PDF");
}
public void convertExcel(String Path) throws Exception{
Workbook workbook = new Workbook(Path);
//Save the document in PDF format
Integer index=Path.lastIndexOf(".");
String destPath=Path.substring(0, index)+".pdf";
workbook.save(destPath, FileFormatType.PDF);
System.out.println("excel converted to doc");
}
有什么建议吗？
答案 0 :(得分：4)
不，这个例外不是因为使用了试用版或旧版本的Aspose（虽然推荐使用的版本总是最新版本，但你应该使用Aspose.Cells for Java 7.4.2和Aspose.Slides for Java 7.2.0）
要处理xlsx和pptx文件，您必须按如下方式修改转换方法：
public void convertPPTToPDF(String Path) throws Exception
{
String extension = "";
Integer index = Path.lastIndexOf(".");
if (index > 0) {
extension = Path.substring(index+1);
}
if (extension.equals("ppt"))
{
Presentation pres = new Presentation(Path);
String destPath=Path.substring(0, index)+".pdf";
pres.saveToPdf(destPath);
}
else if (extension.equals("pptx"))
{
//Instantiate a PresentationEx object that represents a PPTX file
PresentationEx pres = new PresentationEx(Path);
String destPath=Path.substring(0, index)+".pdf";
//Saving the PPTX presentation to PDF document
pres.save(destPath, com.aspose.slides.SaveFormat.Pdf);
}
System.out.println("Powerpoint file converted to PDF successfully");
}
public void convertExcelToPDF(String Path) throws Exception
{
String extension = "";
Integer index = Path.lastIndexOf(".");
if (index > 0) {
extension = Path.substring(index+1);
}
if (extension.equals("xls"))
{
Workbook workbook = new Workbook(Path);
//Save the document in PDF format
String destPath=Path.substring(0, index)+".pdf";
workbook.save(destPath, FileFormatType.PDF);
}
else if (extension.equals("xlsx"))
{
//Createing and XLSX LoadOptions object
LoadOptions loadOptions = new LoadOptions(FileFormatType.XLSX);
//Creating an Workbook object with 2007 xlsx file path and the loadOptions object
Workbook workbook = new Workbook(Path, loadOptions);
String destPath=Path.substring(0, index)+".pdf";
workbook.save(destPath, FileFormatType.PDF);
}
System.out.println("Excel file converted to PDF successfully");
}
我已经检查过更新的方法适用于最新版本的Aspose.Cells和Aspose.Slides for Java的ppt，pptx，xls和xlsx文件。
我是Aspose的开发人员传播者。