String sql = "select * from room where room.build_id=?";
List roomList = this.jdbcTemplate.query(sql, new Object[]{buildid}, new RoomMapper());
//定义RoomMapper类继承 RowMapper
public class RoomMapper implements RowMapper {
public Object mapRow(ResultSet rs, int index) throws SQLException {
RoomDto roomDto = new RoomDto();
roomDto.setRoomid(rs.getLong("roomid"));
roomDto.setRoomName(rs.getString("roomName"));
roomDto.setBuildid(rs.getLong("build_id"));
roomDto.setBuildName(rs.getString("buildName"));
roomDto.setStateid(rs.getLong("state_id"));
roomDto.setState(rs.getString("state"));
return roomDto;
}
}
List roomList = this.jdbcTemplate.query(sql, new Object[]{buildid}, new RoomMapper());
//定义RoomMapper类继承 RowMapper
public class RoomMapper implements RowMapper {
public Object mapRow(ResultSet rs, int index) throws SQLException {
RoomDto roomDto = new RoomDto();
roomDto.setRoomid(rs.getLong("roomid"));
roomDto.setRoomName(rs.getString("roomName"));
roomDto.setBuildid(rs.getLong("build_id"));
roomDto.setBuildName(rs.getString("buildName"));
roomDto.setStateid(rs.getLong("state_id"));
roomDto.setState(rs.getString("state"));
return roomDto;
}
}
本文介绍了一种使用JdbcTemplate结合自定义RowMapper的方式从数据库中查询房间详细信息的方法。通过参数化的SQL查询语句,有效地获取了包括房间ID、名称、所属建筑ID及名称、状态ID和状态等字段。
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