读取DOC、DOCX、 XLS 、XLSX 、PDF 、PPTX 、TXT文档内容

POM 依赖

<!-- /artifact/org.apache.poi/poi --><dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>4.1.2</version></dependency><!-- /artifact/org.apache.poi/poi-ooxml --><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>4.1.2</version></dependency><!-- /artifact/org.apache.poi/poi-ooxml-schemas --><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml-schemas</artifactId><version>4.1.2</version></dependency><!-- /artifact/org.apache.poi/poi-scratchpad --><dependency><groupId>org.apache.poi</groupId><artifactId>poi-scratchpad</artifactId><version>4.1.2</version></dependency><!-- /artifact/org.apache.pdfbox/fontbox --><dependency><groupId>org.apache.pdfbox</groupId><artifactId>fontbox</artifactId><version>2.0.12</version></dependency><!-- /artifact/org.apache.pdfbox/pdfbox --><dependency><groupId>org.apache.pdfbox</groupId><artifactId>pdfbox</artifactId><version>2.0.12</version></dependency>

代码

package mon.util;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.nio.file.Files;import java.nio.file.Path;import java.nio.file.Paths;import java.util.Iterator;import java.util.List;import org.apache.pdfbox.io.RandomAccessBuffer;import org.apache.pdfbox.pdfparser.PDFParser;import org.apache.pdfbox.pdmodel.PDDocument;import org.apache.pdfbox.text.PDFTextStripper;import org.apache.poi.hslf.extractor.PowerPointExtractor;import org.apache.poi.hssf.usermodel.HSSFCell;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.hwpf.extractor.WordExtractor;import org.apache.poi.openxml4j.opc.OPCPackage;import org.apache.poi.sl.extractor.SlideShowExtractor;import org.apache.poi.sl.usermodel.SlideShow;import org.apache.poi.ss.usermodel.Cell;import org.apache.poi.ss.usermodel.CellType;import org.apache.poi.ss.usermodel.Row;import org.apache.poi.xslf.usermodel.XMLSlideShow;import org.apache.poi.xslf.usermodel.XSLFShape;import org.apache.poi.xslf.usermodel.XSLFTextParagraph;import org.apache.poi.xssf.usermodel.XSSFCell;import org.apache.poi.xssf.usermodel.XSSFRow;import org.apache.poi.xssf.usermodel.XSSFSheet;import org.apache.poi.xssf.usermodel.XSSFWorkbook;import org.apache.poi.xwpf.extractor.XWPFWordExtractor;import org.apache.poi.xwpf.usermodel.XWPFDocument;import org.apache.poi.xwpf.usermodel.XWPFPictureData;import mon.exception.JeecgBootException;import lombok.extern.slf4j.Slf4j;@Slf4jpublic class FileReadUtil {public static String getContent(String path) {File file = new File(path);if (!file.exists()) {log.error("{}文件不存在", path);return null;}String name = file.getName();if (name.indexOf(".") > -1) {String type = name.substring(name.lastIndexOf(".") + 1);log.info("文件名称:{}", name);if ("doc".equals(type)) {return readWord(path);} else if ("docx".equals(type)) {return readDoc(path);} else if ("xls".equals(type)) {return readXls(path);} else if ("xlsx".equals(type)) {return readXlsx(path);} else if ("pdf".equals(type)) {return readPdf(path);} else if ("ppt".equals(type)) {return readPPT(path);} else if ("pptx".equals(type)) {return readPPTX(path);} else if ("txt".equals(type)) {return readTxt(path);} else {log.info("不支持读取{}类型的文件类型", type);return null;}}return null;}public static String readTxt(String path) {Path path2 = Paths.get(path);try {List<String> strings = Files.readAllLines(path2);return String.join("\t", strings);} catch (IOException e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}}public static String readWord(String path) {FileInputStream in;String text = null;try {in = new FileInputStream(new File(path));WordExtractor extractor = new WordExtractor(in);text = extractor.getText();} catch (FileNotFoundException e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());} catch (Exception e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}return text;}public static String readDoc(String path) {XWPFWordExtractor wordExtractor = null;try {FileInputStream fis = new FileInputStream(new File(path));XWPFDocument xdoc = new XWPFDocument(fis);wordExtractor = new XWPFWordExtractor(xdoc);} catch (IOException e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}return wordExtractor.getText();}public static String readXls(String path) {StringBuilder content = new StringBuilder();try {HSSFWorkbook excel = new HSSFWorkbook(new FileInputStream(new File(path)));// 获取第一个sheetHSSFSheet sheet0 = excel.getSheetAt(0);for (Iterator<Row> rowIterator = sheet0.iterator(); rowIterator.hasNext();) {HSSFRow row = (HSSFRow) rowIterator.next();for (Iterator<Cell> iterator = row.cellIterator(); iterator.hasNext();) {HSSFCell cell = (HSSFCell) iterator.next();// 根据单元的的类型 读取相应的结果if (cell.getCellType() == CellType.STRING)content.append(cell.getStringCellValue() + "\t");else if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA)content.append(cell.getNumericCellValue() + "\t");elsecontent.append("" + "\t");}}} catch (Exception e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}return content.toString();}public static String readXlsx(String path) {StringBuilder content = new StringBuilder();try {XSSFWorkbook excel = new XSSFWorkbook(new FileInputStream(new File(path)));// 获取第一个sheetXSSFSheet sheet0 = excel.getSheetAt(0);for (Iterator<Row> rowIterator = sheet0.iterator(); rowIterator.hasNext();) {XSSFRow row = (XSSFRow) rowIterator.next();for (Iterator<Cell> iterator = row.cellIterator(); iterator.hasNext();) {XSSFCell cell = (XSSFCell) iterator.next();// 根据单元格的类型 读取相应的结果if (cell.getCellType() == CellType.STRING)content.append(cell.getStringCellValue() + "\t");else if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA)content.append(cell.getNumericCellValue() + "\t");elsecontent.append("" + "\t");}}} catch (Exception e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}return content.toString();}public static String readPdf(String path) {StringBuilder content = new StringBuilder();try {InputStream is = new FileInputStream(new File(path));PDFParser parser = new PDFParser(new RandomAccessBuffer(is));parser.parse();// 读取文本内容PDDocument document = parser.getPDDocument();// 获取页码int pages = document.getNumberOfPages();PDFTextStripper stripper = new PDFTextStripper();// 设置按顺序输出stripper.setSortByPosition(true);stripper.setStartPage(1);stripper.setEndPage(pages);content.append(stripper.getText(document));} catch (Exception e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}return content.toString();}public static String readPPT(String path) {try {InputStream is = new FileInputStream(new File(path));PowerPointExtractor extractor=new PowerPointExtractor(is);return extractor.getText();} catch (IOException e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}}@SuppressWarnings("resource")public static String readPPTX(String path) {try {File doc = new File(path);OPCPackage pkg = OPCPackage.open(doc);SlideShow<XSLFShape, XSLFTextParagraph> sss = new XMLSlideShow(pkg);SlideShowExtractor<XSLFShape, XSLFTextParagraph> extractor = new SlideShowExtractor<>(sss);return extractor.getText();} catch (Exception e) {log.error(e.getMessage(), e);throw new JeecgBootException(e.getMessage());}}}