读取表格上的数据

//读取excel表格中的数据，path代表excel路径
  public void readExecl(String path) {
    try {
      //读取的时候可以使用流，也可以直接使用文件名
      XSSFWorkbook xwb = new XSSFWorkbook(path);
      //循环工作表sheet
      for (int numSheet = 0; numSheet < xwb.getNumberOfSheets(); numSheet++) {
        XSSFSheet xSheet = xwb.getSheetAt(numSheet);
        if (xSheet == null) {
          continue;
        }
        //循环行row
        for (int numRow = 0; numRow <= xSheet.getLastRowNum(); numRow++) {
          XSSFRow xRow = xSheet.getRow(numRow);
          if (xRow == null) {
            continue;
          }
          //循环列cell
          for (int numCell = 0; numCell <= xRow.getLastCellNum(); numCell++) {
            XSSFCell xCell = xRow.getCell(numCell);
            if (xCell == null) {
              continue;
            }
            //输出值
            System.out.println("excel表格中取出的数据" + getValue(xCell));
          }
        }

      }

    } catch (IOException e) {
      e.printStackTrace();
    }
  }

  /**
   * 取出每列的值
   *
   * @param xCell 列
   * @return
   */
  private String getValue(XSSFCell xCell) {
    if (xCell.getCellType() == XSSFCell.CELL_TYPE_BOOLEAN) {
      return String.valueOf(xCell.getBooleanCellValue());
    } else if (xCell.getCellType() == XSSFCell.CELL_TYPE_NUMERIC) {
      return String.valueOf(xCell.getNumericCellValue());
    } else {
      return String.valueOf(xCell.getStringCellValue());
    }
  }

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