基于jsp+servlet+Java实现的停车场信息管理系统源码.zip

package dao.impl; import dao.IPlInfoDao; import doMain.PlInfo; import doMain.User; import org.springframework.dao.DataAccessException; import org.springframework.jdbc.core.BeanPropertyRowMapper; import org.springframework.jdbc.core.JdbcTemplate; import org.springframework.jdbc.core.RowMapper; import util.JdbcUtils; import java.util.List; /** * @author HaibiaoXu * @date Create in 0:18 2019/9/10 */ public class PlInfoDaoImpl implements IPlInfoDao { private JdbcTemplate jdbcTemplate = new JdbcTemplate(JdbcUtils.getDataSource()); @Override public void driveIn(PlInfo car) { try { String sql = "update pl_info set carNumber=?,time =? where id=?"; jdbcTemplate.update(sql,new Object[]{car.getCarNumber(),car.getTime(),car.getId()}); } catch (DataAccessException e) { e.printStackTrace(); } } @Override public void driveOut(PlInfo car) { try { String sql = "update pl_info set carNumber=null,time = null where carNumber=?"; jdbcTemplate.update(sql,new Object[]{car.getCarNumber()}); } catch (DataAccessException e) { e.printStackTrace(); } } @Override public List<PlInfo> findAll() { try { String sql = "select * from pl_info"; RowMapper<PlInfo> rowMapper=new BeanPropertyRowMapper<>(PlInfo.class); List<PlInfo> plInfos = jdbcTemplate.query(sql, rowMapper); return plInfos; } catch (DataAccessException e) { e.printStackTrace(); } return null; } @Override public PlInfo findOne(User user) { PlInfo pl; try { String sql = "select * from pl_info where carNumber = ?"; RowMapper<PlInfo> rowMapper=new BeanPropertyRowMapper<>(PlInfo.class); pl = jdbcTemplate.queryForObject(sql, rowMapper,user.getUsername()); return pl; } catch (DataAccessException e) { e.printStackTrace(); return null; } } @Override public List<PlInfo> getNull() { try { String sql = "select * from pl_info where carNumber is null"; RowMapper<PlInfo> rowMapper=new BeanPropertyRowMapper<>(PlInfo.class); List<PlInfo> plInfos = jdbcTemplate.query(sql,rowMapper); return plInfos; } catch (DataAccessException e) { e.printStackTrace(); } return null; } }