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我想以编程方式使用java合并一些pptx文档。我想到了如何使用Apache POI来实现这一点,但我试图合并的文档不起作用。在Java中设置pptx主题
经过重大的搜索和试验和错误后,我发现原因是pptx文件没有主题信息(即,如果我点击进入PowerPoint并检查幻灯片母版视图是空白的)。如果我转到设计功能区中的主题并选择“办公室主题”或其他主题,然后保存。这些文件将迷人地融合在一起。否则,我遇到了以下错误:
Exception in thread "main" java.lang.IllegalArgumentException: Failed to fetch default style for otherStyle and level=0
at org.apache.poi.xslf.usermodel.XSLFTextParagraph.getDefaultMasterStyle(XSLFTextParagraph.java:1005)
at org.apache.poi.xslf.usermodel.XSLFTextParagraph.fetchParagraphProperty(XSLFTextParagraph.java:1029)
at org.apache.poi.xslf.usermodel.XSLFTextParagraph.isBullet(XSLFTextParagraph.java:654)
at org.apache.poi.xslf.usermodel.XSLFTextParagraph.copy(XSLFTextParagraph.java:1044)
at org.apache.poi.xslf.usermodel.XSLFTextShape.copy(XSLFTextShape.java:631)
at org.apache.poi.xslf.usermodel.XSLFSheet.appendContent(XSLFSheet.java:358)
at com.apsiva.main.Snippet.main(Snippet.java:28)
以下是我跑的代码:
package com.apsiva.main;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.poi.xslf.usermodel.SlideLayout;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.apache.poi.xslf.usermodel.XSLFSlideLayout;
public class Snippet {
/** Merge the pptx files in the array <decks> to the desired destination
* chosen in <outputPath> */
public static void main(String[] args) {
try {
FileInputStream empty = new FileInputStream("C:/Users/Alex/workspace/OutputWorker/tmp/base2.pptx");
XMLSlideShow pptx;
pptx = new XMLSlideShow(empty);
XSLFSlideLayout defaultLayout = pptx.getSlideMasters()[0].getLayout(SlideLayout.TITLE_AND_CONTENT);
FileInputStream is = new FileInputStream("C:/Users/Alex/workspace/OutputWorker/tmp/noWork.pptx");
// FileInputStream is = new FileInputStream("C:/Users/Alex/workspace/OutputWorker/tmp/works2.pptx");
XMLSlideShow src = new XMLSlideShow(is);
is.close();
for (XSLFSlide srcSlide: src.getSlides()){
pptx.createSlide(defaultLayout).appendContent(srcSlide);
}
FileOutputStream out = new FileOutputStream("C:/POI-TEST-OUTPUT.pptx");
pptx.write(out);
out.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
我想获得这些文件合并,我认为解决的办法是通过编程分配主题到文件。如何做呢?
谢谢您的考虑!