MybatisPlus listObjs 返回只查询一个字段类型集合 publicListgetPointIotStrByProcessIds(@RequestParamListprocessIds){ LambdaQueryWrapperlambdaQueryWrapper =newQueryWrapper().lambda(); lambdaQueryWrapper.select(Point::getIotStr); lambdaQueryWrapper.in(Point::getProcessId,processIds); Functionf = (o -> o....