java读取word,excel,pdf等文本

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