JAva解析ファイル大全
会社にはjavaにいろいろなドキュメントから本文を抽出させるプロジェクトがあります.
そこで多くの経験を费やして最初を书きます..ネット上でdemoを探します
次は兄たちの例を抜粋します
最後に突然発見したのは実は2行のコードだけでできます
office 2003 - office 2007
そこで私は涙を流して満面....白忙了..顺路奉上解析pdf的吧
そこで多くの経験を费やして最初を书きます..ネット上でdemoを探します
次は兄たちの例を抜粋します
package org.css.resource.businesssoft.searchengine.quwenjiansuo;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.poi.POITextExtractor;
import org.apache.poi.POIXMLDocument;
import org.apache.poi.POIXMLTextExtractor;
import org.apache.poi.extractor.ExtractorFactory;
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.exceptions.OpenXML4JException;
import org.apache.poi.openxml4j.opc.OPCPackage;
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.xmlbeans.XmlException;
/**
*
* @author lizh
*
*/
public class CovertFile {
/**
* word 2003
* @param is
* @return
* @throws IOException
*/
public static String extractTextFromDOC(InputStream is) throws IOException {
WordExtractor ex = new WordExtractor(is); // is WORD InputStream
return ex.getText();
}
/**
* word 2007
* @param fileName
* @return
*/
public static String extractTextFromDOC2007(String fileName) {
try {
OPCPackage opcPackage = POIXMLDocument.openPackage(fileName);
POIXMLTextExtractor ex = new XWPFWordExtractor(opcPackage);
return ex.getText();
} catch (Exception e) {
return "";
}
}
/**
* excel 2003
* @param is
* @return
* @throws IOException
*/
private static String extractTextFromXLS(InputStream is) throws IOException {
StringBuffer content = new StringBuffer();
HSSFWorkbook workbook = new HSSFWorkbook(is); // Excel
for (int numSheets = 0; numSheets < workbook.getNumberOfSheets(); numSheets++) {
if (null != workbook.getSheetAt(numSheets)) {
HSSFSheet aSheet = workbook.getSheetAt(numSheets); // sheet
for (int rowNumOfSheet = 0; rowNumOfSheet <= aSheet
.getLastRowNum(); rowNumOfSheet++) {
if (null != aSheet.getRow(rowNumOfSheet)) {
HSSFRow aRow = aSheet.getRow(rowNumOfSheet); //
for (short cellNumOfRow = 0; cellNumOfRow <= aRow
.getLastCellNum(); cellNumOfRow++) {
if (null != aRow.getCell(cellNumOfRow)) {
HSSFCell aCell = aRow.getCell(cellNumOfRow); //
if (aCell.getCellType() == HSSFCell.CELL_TYPE_NUMERIC) {
content.append(aCell.getNumericCellValue());
} else if (aCell.getCellType() == HSSFCell.CELL_TYPE_BOOLEAN) {
content.append(aCell.getBooleanCellValue());
} else {
content.append(aCell.getStringCellValue());
}
}
}
}
}
}
}
return content.toString();
}
/**
* excel 2007
* @param fileName
* @return
* @throws Exception
*/
private static String extractTextFromXLS2007(String fileName)
throws Exception {
StringBuffer content = new StringBuffer();
// XSSFWorkbook ，strPath
XSSFWorkbook xwb = new XSSFWorkbook(fileName);
// Sheet
for (int numSheet = 0; numSheet < xwb.getNumberOfSheets(); numSheet++) {
XSSFSheet xSheet = xwb.getSheetAt(numSheet);
if (xSheet == null) {
continue;
}
// Row
for (int rowNum = 0; rowNum <= xSheet.getLastRowNum(); rowNum++) {
XSSFRow xRow = xSheet.getRow(rowNum);
if (xRow == null) {
continue;
}
// Cell
for (int cellNum = 0; cellNum <= xRow.getLastCellNum(); cellNum++) {
XSSFCell xCell = xRow.getCell(cellNum);
if (xCell == null) {
continue;
}
if (xCell.getCellType() == XSSFCell.CELL_TYPE_BOOLEAN) {
content.append(xCell.getBooleanCellValue());
} else if (xCell.getCellType() == XSSFCell.CELL_TYPE_NUMERIC) {
content.append(xCell.getNumericCellValue());
} else {
content.append(xCell.getStringCellValue());
}
}
}
}
return content.toString();
}
/**
* excel 2007
* @param fileName
* @return
*/
public static String getXLS2007(String fileName){
String doc = "";
try{
doc = extractTextFromXLS2007(fileName);
return doc;
}catch(Exception e){
return "";
}
}
/**
* ppt 2003、2007
* @param fileName
* @return
*/
public static String getPPTX(String fileName){
String doc = "";
try{
File inputFile = new File(fileName);
POITextExtractor extractor = ExtractorFactory.createExtractor(inputFile);
doc = extractor.getText();
return doc;
}catch(Exception e){
return "";
}
}
public static void main(String[] args) {
try {
// String wordFile = "D:/ .docx";
// String wordText2007 = CovertFile.extractTextFromDOC2007(wordFile);
// System.out.println("wordText2007=======" + wordText2007);
//
// InputStream is = new FileInputStream("D:/XXX .xls");
// String excelText = CovertFile.extractTextFromXLS(is);
// System.out.println("text2003==========" + excelText);
// String excelFile = "D:/zh.xlsx";
// String excelText2007 = CovertFile.extractTextFromXLS2007(excelFile);
// System.out.println("excelText2007==========" + excelText2007);
String pptFile = "D:/zz3.ppt";
String pptx = CovertFile.getPPTX(pptFile);
System.out.println("pptx==========" + pptx);
} catch (Exception e) {
e.printStackTrace();
}
}
}
最後に突然発見したのは実は2行のコードだけでできます
office 2003 - office 2007
POITextExtractor extractor = ExtractorFactory.createExtractor(f);
return extractor.getText();
そこで私は涙を流して満面....白忙了..顺路奉上解析pdf的吧
package com.lingjoin.extractors;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.StringReader;
import java.util.Date;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.pdmodel.PDDocumentInformation;
import org.apache.pdfbox.util.PDFTextStripper;
import com.lingjoin.paser.LingJoinFile;
/**
* PDF
*
* @author Ansj
*
*/
public class PDFExtractor extends AbstractExtractor {
private String getContent(LingJoinFile f) {
// TODO Auto-generated method stub
PDDocument doc = null ;
try {
doc = PDDocument.load(f);
PDFTextStripper stripper = new PDFTextStripper();
/**
*
*/
this.setLingJoinFileInfo(f, doc
.getDocumentInformation());
return stripper.getText(doc);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if (doc != null) {
try {
doc.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return "";
}
private BufferedReader getContentReader(LingJoinFile f) {
return new BufferedReader(new StringReader(this.getContent(f)));
}
/**
*
* ：FilePaser
* ：
* ：ANSJ
* ：2010-4-14 04:27:57
* ：
* @version
*/
private void setLingJoinFileInfo(LingJoinFile f, PDDocumentInformation info) {
if (info.getAuthor() != null) {
f.setlAuthor(info.getAuthor());
}
// try {
// if (info.getModificationDate() != null) {
// Date date = info.getModificationDate().getTime();
// f.setlModificationDate(date.getTime());
// }
// } catch (IOException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
//
// if (info.getTitle() != null) {
// f.setlTitle(info.getTitle());
// }
}
public void paserFileToReader(LingJoinFile f) throws Exception {
f.setlContentReader(this.getContentReader(f)) ;
}
public void paserFileToString(LingJoinFile f) throws Exception {
// TODO Auto-generated method stub
f.setlContent(this.getContent(f)) ;
}
public PDFExtractor(Integer typeFlag) {
// TODO Auto-generated constructor stub
this.typeFlag = typeFlag ;
}
private Integer typeFlag = null ;
public Integer getTypeFlag() {
// TODO Auto-generated method stub
return typeFlag;
}
}