mysql limit 分页

   //每页显示的条数,做为接口参数传入
  int pageSize = 10;  
  //总的条数，从数据库中查询
  int totalCount;
  //总页数
  double tp= count / (double)pageSize;
  int totalPage = (int) Math.ceil(tp);
  int offset = (page-1) * pageSize;