sql转 mybatis plus lamdba 表达式where lock_status = 0 or lock_status = 1 and lock_time now and err_msg is null or err_msg =

Lambda表达式：

QueryWrapper<Entity> queryWrapper = new QueryWrapper<>();
queryWrapper.lambda().and(
    qw -> qw.eq(Entity::getLockStatus, "0")
        .or()
        .and(
            qw1 -> qw1.eq(Entity::getLockStatus, "1")
                .lt(Entity::getLockTime, LocalDateTime.now())
        )
).and(
    qw -> qw.isNull(Entity::getErrMsg)
        .or()
        .eq(Entity::getErrMsg, "")
);

其中，Entity为实体类名称。