高校宿舍调配管理系统实战：利用Java、Vue和Spring Boot实现的核心代码分享

4.1 查询单条个人习惯

@RequestMapping(value = "/getMySettings", method = RequestMethod.GET)
@ApiOperation(value = "查询单条个人习惯")
public Result<MySettings> getMySettings(){
    User currUser = securityUtil.getCurrUser();
    MySettings mySettings = iMySettingsService.getById(currUser.getId());
    if(mySettings == null) {
        mySettings = MySettingsUtils.getMySettings(currUser);
        iMySettingsService.saveOrUpdate(mySettings);
    }
    return new ResultUtil<MySettings>().setData(mySettings);
}

4.2 查询我的室友

@RequestMapping(value = "/getMyFriend", method = RequestMethod.GET)
@ApiOperation(value = "查询我的室友")
public Result<List<MySettings>> getMyFriend(){
    User currUser = securityUtil.getCurrUser();
    MySettings mySettings = iMySettingsService.getById(currUser.getId());
    if(mySettings == null) {
        return ResultUtil.error("没有你的配置");
    }
    QueryWrapper<MySettings> qw = new QueryWrapper<>();
    qw.eq("dorm_id",mySettings.getDormId());
    return new ResultUtil<List<MySettings>>().setData(iMySettingsService.list(qw));
}

4.3 查询宿舍

@RequestMapping(value = "/getByPage", method = RequestMethod.GET)
@ApiOperation(value = "查询宿舍")
public Result<IPage<Dorm>> getByPage(@ModelAttribute Dorm dorm ,@ModelAttribute PageVo page){
    QueryWrapper<Dorm> qw = new QueryWrapper<>();
    if(!ZwzNullUtils.isNull(dorm.getHouse())) {
        qw.like("house",dorm.getHouse());
    }
    if(!ZwzNullUtils.isNull(dorm.getRoom())) {
        qw.like("room",dorm.getRoom());
    }
    if(!ZwzNullUtils.isNull(dorm.getType())) {
        qw.like("type",dorm.getType());
    }
    IPage<Dorm> data = iDormService.page(PageUtil.initMpPage(page),qw);
    return new ResultUtil<IPage<Dorm>>().setData(data);
}

4.4 查询指定性别全部宿舍

@RequestMapping(value = "/getMyAll", method = RequestMethod.GET)
@ApiOperation(value = "查询指定性别全部宿舍")
public Result<List<Dorm>> getMyAll(){
    User currUser = securityUtil.getCurrUser();
    QueryWrapper<Dorm> qw = new QueryWrapper<>();
    if(Objects.equals("女",currUser.getSex())) {
        qw.eq("type","女生宿舍");
    } else {
        qw.eq("type","男生宿舍");
    }
    return new ResultUtil<List<Dorm>>().setData(iDormService.list(qw));
}

4.5 初次分配宿舍

@RequestMapping(value = "/createDorm", method = RequestMethod.GET)
@ApiOperation(value = "初次分配宿舍")
public Result<Object> createDorm(){
    User currUser = securityUtil.getCurrUser();
    MySettings mySettings = iMySettingsService.getById(currUser.getId());
    if(mySettings == null) {
        return ResultUtil.error("未初始化");
    }
    if(!ZwzNullUtils.isNull(mySettings.getDormId())) {
        return ResultUtil.error("您的宿舍已分配!");
    }
    QueryWrapper<DormChange> qw2 = new QueryWrapper<>();
    qw2.eq("user_id",currUser.getId());
    qw2.eq("status","未审核");
    if(iDormChangeService.count(qw2) > 0L) {
        return ResultUtil.error("您已申请，请等待审核!");
    }
    // 确认学生的性别
    String sex = mySettings.getSex();
    if(!Objects.equals("女",sex)) {
        sex = "男";
    }
    // 查询所有宿舍
    List<Dorm> dormList = iDormService.list();
    // 次优解，空宿舍
    Dorm ans2 = null;
    // 最优解，有人且符合条件的宿舍
    Dorm ans1 = null;
    // 最优解符合的条件数
    Integer ansCount = -1;
    for (Dorm d : dormList) {
        if(Objects.equals("男",sex) && Objects.equals("女生宿舍",d.getType()) || Objects.equals("女",sex) && Objects.equals("男生宿舍",d.getType())) {
            // 宿舍性别过滤
            continue;
        }
        // 查询宿舍内的学生
        QueryWrapper<MySettings> sQw = new QueryWrapper<>();
        sQw.eq("dorm_id",d.getId());
        List<MySettings> settingsList = iMySettingsService.list(sQw);
        if(settingsList.size() > 1) {
            // 设定两人满员，过滤该宿舍
        } else if(settingsList.size() < 1) {
            // 找到次优解
            if(ans2 == null) {
                ans2 = d;
            }
        } else {
            // 宿舍内满足条件的数量
            Integer maxCount = 0;
            MySettings se = settingsList.get(0);
            if(se == null) {
                continue;
            }
            // 计算和室友关系的匹配指标
            if(Objects.equals(se.getSetting1(),mySettings.getSetting1())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting2(),mySettings.getSetting2())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting3(),mySettings.getSetting3())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting4(),mySettings.getSetting4())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting5(),mySettings.getSetting5())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting6(),mySettings.getSetting6())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting7(),mySettings.getSetting7())) {
                maxCount ++;
            }
            if(Objects.equals(se.getSetting8(),mySettings.getSetting8())) {
                maxCount ++;
            }
            if(maxCount > ansCount) {
                // 如果满足最优条件
                ansCount = maxCount;
                ans1 = d;
            }
        }
    }
    if(ans1 != null) {
        DormChange dc = MySettingsUtils.createDormChange(mySettings, ans1);
        iDormChangeService.saveOrUpdate(dc);
    } else if(ans2 != null) {
        DormChange dc = MySettingsUtils.createDormChange(mySettings, ans2);
        iDormChangeService.saveOrUpdate(dc);
    } else {
        return ResultUtil.error("没有合适的宿舍");
    }
    return ResultUtil.success();
}

---