java通用分页 PageUtils pu = new PageUtils(10,cnt,"cxdy.do",page_num) //从前之后依次是：数据总量，跳转路径，当前跳转至页数 String page = pu.page() -Common java page PageUtils pu = new PageUtils (10, cnt, " cxdy.do" , page_num) // followed by the past: data volume, J