1.java中使用poi实现导入Excel
public class XlsDto { /** * 选课号 */ private Integer xkh; /** * 学号 */ private String xh; /** * 姓名 */ private String xm; /** * 学院 */ private String yxsmc; /** * 课程号 */ private Integer kch; /** * 课程名 */ private String kcm; /** * 成绩 */ private float cj; public Integer getXkh() { return xkh; } public void setXkh(Integer xkh) { this.xkh = xkh; } public String getXh() { return xh; } public void setXh(String xh) { this.xh = xh; } public String getXm() { return xm; } public void setXm(String xm) { this.xm = xm; } public String getYxsmc() { return yxsmc; } public void setYxsmc(String yxsmc) { this.yxsmc = yxsmc; } public Integer getKch() { return kch; } public void setKch(Integer kch) { this.kch = kch; } public String getKcm() { return kcm; } public void setKcm(String kcm) { this.kcm = kcm; } public float getCj() { return cj; } public void setCj(float cj) { this.cj = cj; } }
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 { /** * 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()); } }}伟人所达到并保持着的高处，并不是一飞就到的，
