Java的文件读写操作（xls，txt）

	public List getXlsFile(String fileName) throws IOException, BiffException{
        List result = new ArrayList();
        File inputFile = new File(fileName);
        FileInputStream fileInputStream = new FileInputStream(inputFile);
        Workbook workbook = Workbook.getWorkbook(fileInputStream);
        Sheet sheet = workbook.getSheet(0);//获取第一张表（下标从零开始）
        int rows = sheet.getRows();//获取行数
        for(int i =0;i
            Cell cell = sheet.getCell(0, i);//获取第i行的第0列的数据，默认是string类型
            result.add(cell.getContents());
        }
        return result;
    }

	public List getTxtFile(String fileName) throws IOException {
	    InputStreamReader read = new InputStreamReader(new FileInputStream(fileName),"utf-8");//编码格式
	    BufferedReader bufferedReader = new BufferedReader(read);
	    String lineTxt;
	    List result = new ArrayList();
	    while((lineTxt = bufferedReader.readLine()) != null){//按行读入到最后一行
	        result.add(lineTxt);
	    }
	    return result;
	}

	public static void printCsv(String line,String outPutPath) throws IOException {
	    File outPutFile = new File(outPutPath);
	    OutputStreamWriter outputStreamWriter = new OutputStreamWriter(new FileOutputStream(outPutFile), "utf-8");
	    outputStreamWriter.write(line + "rn");
	    outputStreamWriter.flush();
	    outputStreamWriter.close();
	}