电影售票管理系统.zip

package com.duing.service; import com.duing.dao.PlayMapper; import com.duing.dao.RoomMapper; import com.duing.entity.Play; import com.duing.entity.Room; import com.duing.vo.PlayDetailVo; import com.duing.vo.PlayVo; import org.springframework.beans.BeanUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.List; @Service public class PlayServiceImpl implements PlayService{ @Autowired private PlayMapper playMapper; @Autowired private RoomMapper roomMapper; @Override public List<PlayVo> findPlayById(String filmId) { List<Play> playList = playMapper.selectByFilmId(filmId); List<PlayVo> result = new ArrayList<>(); for (Play play:playList){ PlayVo vo = new PlayVo(); vo.setFilmId(play.getFilmId()); vo.setFilmName(play.getFilmName()); vo.setRoomId(play.getRoomId()); vo.setRoomName(play.getRoomName()); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); //从前端或者自己模拟一个日期格式，转为String即可 String dateStr = format.format(play.getPlayTime()); vo.setPlayTime(dateStr); vo.setPlayId(play.getPlayId()); vo.setLanType(play.getLanType()); vo.setPrice(play.getPrice()); result.add(vo); } return result; } @Override public PlayDetailVo getDetailById(String playId) { Play play = playMapper.selectByPlayId(playId); PlayDetailVo detailVo = new PlayDetailVo(); //对属性名相同的对象 进行拷贝 //第一个参数是source 源对象 第二个参数是target 目标对象 //其实拷贝的是两者的交集 将所有同名属性赋值进来 //低层使用的是反射 调用get和set方法 BeanUtils.copyProperties(play,detailVo); //类型不同的属性值应该设置不同的属性名 然后单独处理 SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); String dateStr = format.format(play.getPlayTime()); detailVo.setPlayTimeStr(dateStr); Room room = roomMapper.selectById(play.getRoomId()); //可以加非空判断 但原则上 先有放映厅 才有拍片信息 detailVo.setSeat(room.getSituation()); return detailVo; } }