Atitit word ppt excel convert txt bp 等文档转换纯文本问题最佳实践.docx Atitit word ppt excel等文档转换txt问题最佳实践目录 1.

Atitit word ppt excel convert txt bp 等文档转换纯文本问题最佳实践.docx

Atitit word ppt excel等文档转换txt问题最佳实践

1.1. // Word 直接抽取全部内容 1

1.2. //分章节Section、段落Paragraph、字符串CharacterRun抽取 1

1.3. //直接抽取幻灯片的全部内容 2

1.4. //一张幻灯片一张幻灯片地读取 3

1.5. //直接读取Excel的全部内容 4

1.6. //读取时细化到Sheet、行甚至单元格 4

public class Word {

1.1. // Word 直接抽取全部内容

public static String readDoc1(InputStream is) throws IOException {
        WordExtractor extractor = new WordExtractor(is);
        return extractor.getText();
    }

1.2. //分章节Section、段落Paragraph、字符串CharacterRun抽取

public static void readDoc2(InputStream is) throws IOException {
        HWPFDocument doc=new HWPFDocument(is);
        Range r=doc.getRange();
        for(int x=0;x<r.numSections();x++){
            Section s=r.getSection(x);
            for(int y=0;y<s.numParagraphs();y++){
                Paragraph p=s.getParagraph(y);
                for(int z=0;z<p.numCharacterRuns();z++){
                    CharacterRun run=p.getCharacterRun(z);
                    String text=run.text();
                    System.out.print(text);
                }
            }
        }
    }

1.3. //直接抽取幻灯片的全部内容

public static String readDoc1(InputStream is) throws IOException{
        PowerPointExtractor extractor=new PowerPointExtractor(is);
        return extractor.getText();
    }

1.4. //一张幻灯片一张幻灯片地读取

public static void readDoc2(InputStream is) throws IOException{
        SlideShow ss=new SlideShow(new HSLFSlideShow(is));
        Slide[] slides=ss.getSlides();
        for(int i=0;i<slides.length;i++){
            //读取一张幻灯片的标题
            String title=slides[i].getTitle();
            System.out.println("标题:"+title);
            //读取一张幻灯片的内容(包括标题)
            TextRun[] runs=slides[i].getTextRuns();
            for(int j=0;j<runs.length;j++){
                System.out.println(runs[j].getText());
            }
        }
    }

public class Excel {

1.5. //直接读取Excel的全部内容

public static String readDoc1(InputStream is)throws IOException{
        HSSFWorkbook wb=new HSSFWorkbook(new POIFSFileSystem(is));
        ExcelExtractor extractor=new ExcelExtractor(wb);
        extractor.setFormulasNotResults(false);
        extractor.setIncludeSheetNames(true);
        return extractor.getText();
    }

1.6. //读取时细化到Sheet、行甚至单元格

public static double getAvg(InputStream is)throws IOException{
        HSSFWorkbook wb=new HSSFWorkbook(new POIFSFileSystem(is));
        //获取第一张sheet
        HSSFSheet sheet=wb.getSheetAt(0);
        double molecule=0.0;
        double denominator=0.0;
        //按行遍历sheet
        Iterator<Row> riter=sheet.rowIterator();
        while(riter.hasNext()){
            HSSFRow row=(HSSFRow)riter.next();
            HSSFCell cell1=row.getCell(4);
            HSSFCell cell2=row.getCell(4);
            if(cell1.getCellType()!=HSSFCell.CELL_TYPE_NUMERIC){
                System.err.println("数字类型错误！");
                System.exit(-2);
            }
            if(cell2.getCellType()!=HSSFCell.CELL_TYPE_NUMERIC){
                System.err.println("数字类型错误！");
                System.exit(-2);
            }
            denominator+=Double.parseDouble(cell2.toString().trim());
            molecule+=Double.parseDouble(cell2.toString().trim())*Float.parseFloat(cell1.toString().trim());
        }
        return molecule/denominator;
    }

java使用poi读取ppt文件和poi读取excel、word示例 - CSDN博客.html