JAVA读取WORD,EXCEL,PDF,TXT,RTF,HTML文件文本内容的方法

以下是Java对几种文本文件内容读取代码。其中，OFFICE文档（WORD,EXCEL）使用了POI控件，PDF使用了PDFBOX控件。 WORD Java代码 package textReader; import java.io.*; import org.apache.poi.hwpf.extractor.WordExtr

以下是Java对几种文本文件内容读取代码。其中，OFFICE文档（WORD,EXCEL）使用了POI控件，PDF使用了PDFBOX控件。 WORD        Java代码 package textReader;  import java.io.*;  import org.apache.poi.hwpf.extractor.WordExtractor;  public class WordReader {  public WordReader(){  }  /**  * @param filePath 文件路径  * @return 读出的Word的内容  */  public String getTextFromWord(String filePath){  String result = null;  File file = new File(filePath);  try{  FileInputStream fis = new FileInputStream(file);  WordExtractor wordExtractor = new WordExtractor(fis);  result = wordExtractor.getText();  }catch(FileNotFoundException e){  e.printStackTrace();  }catch(IOException e){  e.printStackTrace();  };  return result;  }  }           EXCEL   Java代码 package textReader;  import org.apache.poi.hssf.usermodel.HSSFWorkbook;  import org.apache.poi.hssf.usermodel.HSSFSheet;  import org.apache.poi.hssf.usermodel.HSSFRow;  import org.apache.poi.hssf.usermodel.HSSFCell;  import java.io.FileInputStream;  import java.io.FileNotFoundException;  import java.io.IOException;  public class ExcelReader {  @SuppressWarnings("deprecation")  /**  * @param filePath 文件路径  * @return 读出的Excel的内容  */  public String getTextFromExcel(String filePath) {  StringBuffer buff = new StringBuffer();  try {  //创建对Excel工作簿文件的引用  HSSFWorkbook wb = new HSSFWorkbook(new FileInputStream(filePath));  //创建对工作表的引用。  for (int numSheets = 0; numSheets < wb.getNumberOfSheets(); numSheets++) {  if (null != wb.getSheetAt(numSheets)) {  HSSFSheet aSheet = wb.getSheetAt(numSheets);//获得一个sheet  for (int rowNumOfSheet = 0; rowNumOfSheet <= aSheet.getLastRowNum(); rowNumOfSheet++) {  if (null != aSheet.getRow(rowNumOfSheet)) {  HSSFRow aRow = aSheet.getRow(rowNumOfSheet); //获得一个行  for (int cellNumOfRow = 0; cellNumOfRow <= aRow.getLastCellNum(); cellNumOfRow++) {  if (null != aRow.getCell(cellNumOfRow)) {  HSSFCell aCell = aRow.getCell(cellNumOfRow);//获得列值  switch(aCell.getCellType()){  case HSSFCell.CELL_TYPE_FORMULA:  break;  case HSSFCell.CELL_TYPE_NUMERIC:  buff.append(aCell.getNumericCellValue()).append('\t');break;  case HSSFCell.CELL_TYPE_STRING:  buff.append(aCell.getStringCellValue()).append('\t');break;  }  }  }  buff.append('\n');  }  }  }  }  } catch (FileNotFoundException e) {  e.printStackTrace();  } catch (IOException e) {  e.printStackTrace();  }  return buff.toString();  }   }             PDF  Java代码 package textReader;  import java.io.FileInputStream;  import java.io.FileNotFoundException;  import java.io.IOException;  import org.pdfbox.pdfparser.PDFParser;  import org.pdfbox.pdmodel.PDDocument;  import org.pdfbox.util.PDFTextStripper;  public class PdfReader {  public PdfReader(){  }  /**  * @param filePath 文件路径  * @return 读出的pdf的内容  */  public String getTextFromPdf(String filePath) {  String result = null;  FileInputStream is = null;  PDDocument document = null;  try {  is = new FileInputStream(filePath);  PDFParser parser = new PDFParser(is);  parser.parse();  document = parser.getPDDocument();  PDFTextStripper stripper = new PDFTextStripper();  result = stripper.getText(document);  } catch (FileNotFoundException e) {  e.printStackTrace();  } catch (IOException e) {  e.printStackTrace();  } finally {  if (is != null) {  try {is.close();}catch(IOException e){e.printStackTrace();}  }  if (document != null) {  try{document.close();}catch (IOException e){e.printStackTrace();}  }  }  return result;  }  }    package textReader; import java.io.*; public class TxtReader { public TxtReader() {  } /** * @param filePath 文件路径 * @return 读出的txt的内容 */ public String getTextFromTxt(String filePath) throws Exception { FileReader fr = new FileReader(filePath); BufferedReader br = new BufferedReader(fr); StringBuffer buff = new StringBuffer(); String temp = null; while((temp = br.readLine()) != null){ buff.append(temp + "\r\n"); } br.close();  return buff.toString();  } } package textReader; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import javax.swing.text.BadLocationException; import javax.swing.text.DefaultStyledDocument; import javax.swing.text.rtf.RTFEditorKit; public class RtfReader { public RtfReader(){ } /** * @param filePath 文件路径 * @return 读出的rtf的内容 */ public String getTextFromRtf(String filePath) { String result = null; File file = new File(filePath); try {  DefaultStyledDocument styledDoc = new DefaultStyledDocument(); InputStream is = new FileInputStream(file); new RTFEditorKit().read(is, styledDoc, 0); result = new String(styledDoc.getText(0,styledDoc.getLength()).getBytes("ISO8859_1")); //提取文本，读取中文需要使用ISO8859_1编码，否则会出现乱码 } catch (IOException e) { e.printStackTrace(); } catch (BadLocationException e) { e.printStackTrace(); } return result; }  } package textReader; import java.io.*; public class HtmlReader { public HtmlReader() { } /** * @param filePath 文件路径 * @return 获得html的全部内容 */ public String readHtml(String filePath) { BufferedReader br=null; StringBuffer sb = new StringBuffer(); try { br=new BufferedReader(new InputStreamReader(new FileInputStream(filePath), "GB2312"));  String temp=null;  while((temp=br.readLine())!=null){ sb.append(temp); }  } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return sb.toString(); } /** * @param filePath 文件路径 * @return 获得的html文本内容 */ public String getTextFromHtml(String filePath) { //得到body标签中的内容 String str= readHtml(filePath); StringBuffer buff = new StringBuffer(); int maxindex = str.length() - 1; int begin = 0; int end;  //截取>和<之间的内容 while((begin = str.indexOf('>',begin)) < maxindex){  end = str.indexOf('<',begin); if(end - begin > 1){ buff.append(str.substring(++begin, end));  }  begin = end+1; };  return buff.toString(); }  }