[英]If I have the an id how to know in which page number?
数据库中的表
id
1
2
4
30
31
...
分页
per page is 2 row, desc.
如果我的id = 30
怎么知道在哪个页码中? 任何建议将不胜感激
首先获得其订单:
select count(*) from table_name where id <= 30 order by col_name;
然后图页码:
int order = 27; // the result from previous query,
int pageSize = 10;
int pageNum = order/pageSize + (order%pageSize==0?0:1); // here page number start from 1, not 0,
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