whyclxw
2025-03-25 a7fef2846505b08e0711345b17902e7381612d23
src/main/java/com/whyc/service/AreaUserService.java
@@ -82,4 +82,14 @@
            mapper.insertBatchSomeColumn(areaUserList);
        }
    }
    //通过区域id查询所有的用户
    public List selectUidByAreaId(List areaList) {
        QueryWrapper uinfWrapper=new QueryWrapper();
        uinfWrapper.select("distinct uid");
        uinfWrapper.in("area_id",areaList);
        List<AreaUser> list=mapper.selectList(uinfWrapper);
        List uList=list.stream().map(AreaUser::getUid) // 提取用户名
                .collect(Collectors.toList()); // 转换为列表*/
        return uList;
    }
}