String sql=“select *from dept limit ?,?”;
Name prompt
pagesize //页面数据个数
count //数据总数
pagenow //当前页码
Paging query formula
(Current page number-1) * Number of page data
public static int getStart(int pagenow,int pagesize){
return (pagenow-1)*pagesize;
}
Get total page number formula
(Total number of data-1) / Number of page data + 1
public static int getTotalPage(int count,int pagesize){
return (count-1)/pagesize+1;
}