import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.List; 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; /** * * @author Hongten</br> * * 参考地址:http://hao0610.iteye.com/blog/1160678 * */ public class XlsMain { public static void main(String[] args) throws IOException { XlsMain xlsMain = new XlsMain(); XlsDto xls = null ; List<XlsDto> list = xlsMain.readXls(); try { XlsDto2Excel.xlsDto2Excel(list); } catch (Exception e) { e.printStackTrace(); } for ( int i = 0 ; i < list.size(); i++) { xls = (XlsDto) list.get(i); System.out.println(xls.getXh() + " " + xls.getXm() + " " + xls.getYxsmc() + " " + xls.getKcm() + " " + xls.getCj()); } } /** * 读取xls文件内容 * * @return List<XlsDto>对象 * @throws IOException * 输入/输出(i/o)异常 */ private List<XlsDto> readXls() throws IOException { InputStream is = new FileInputStream( "pldrxkxxmb.xls" ); HSSFWorkbook hssfWorkbook = new HSSFWorkbook(is); XlsDto xlsDto = null ; List<XlsDto> list = new ArrayList<XlsDto>(); // 循环工作表Sheet for ( int numSheet = 0 ; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++) { HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(numSheet); if (hssfSheet == null ) { continue ; } // 循环行Row for ( int rowNum = 1 ; rowNum <= hssfSheet.getLastRowNum(); rowNum++) { HSSFRow hssfRow = hssfSheet.getRow(rowNum); if (hssfRow == null ) { continue ; } xlsDto = new XlsDto(); // 循环列Cell // 0学号 1姓名 2学院 3课程名 4 成绩 // for (int cellNum = 0; cellNum <=4; cellNum++) { HSSFCell xh = hssfRow.getCell( 0 ); if (xh == null ) { continue ; } xlsDto.setXh(getValue(xh)); HSSFCell xm = hssfRow.getCell( 1 ); if (xm == null ) { continue ; } xlsDto.setXm(getValue(xm)); HSSFCell yxsmc = hssfRow.getCell( 2 ); if (yxsmc == null ) { continue ; } xlsDto.setYxsmc(getValue(yxsmc)); HSSFCell kcm = hssfRow.getCell( 3 ); if (kcm == null ) { continue ; } xlsDto.setKcm(getValue(kcm)); HSSFCell cj = hssfRow.getCell( 4 ); if (cj == null ) { continue ; } xlsDto.setCj(Float.parseFloat(getValue(cj))); list.add(xlsDto); } } return list; } /** * 得到Excel表中的值 * * @param hssfCell * Excel中的每一个格子 * @return Excel中每一个格子中的值 */ @SuppressWarnings ( "static-access" ) private String getValue(HSSFCell hssfCell) { if (hssfCell.getCellType() == hssfCell.CELL_TYPE_BOOLEAN) { // 返回布尔类型的值 return String.valueOf(hssfCell.getBooleanCellValue()); } else if (hssfCell.getCellType() == hssfCell.CELL_TYPE_NUMERIC) { // 返回数值类型的值 return String.valueOf(hssfCell.getNumericCellValue()); } else { // 返回字符串类型的值 return String.valueOf(hssfCell.getStringCellValue()); } } } |