cn.yangjunda.hibernate_pagehelper.PageHelper Maven / Gradle / Ivy
package cn.yangjunda.hibernate_pagehelper;
/**
* Created by juanda on 12/6/17.
*/
public class PageHelper {
public PageHelper() {
}
public static long count(ISelect select) {
Page page = startPage(1, -1, true);
select.doSelect();
return page.getTotal();
}
public static Page startPage(int pageNum, int pageSize) {
return startPage(pageNum, pageSize, true);
}
public static Page startPage(int pageNum, int pageSize, boolean count) {
return startPage(pageNum, pageSize, count, (Boolean)null);
}
public static Page startPage(int pageNum, int pageSize, String orderBy) {
Page page = startPage(pageNum, pageSize);
page.setOrderBy(orderBy);
return page;
}
public static Page startPage(int pageNum, int pageSize, boolean count, Boolean reasonable) {
return startPage(pageNum, pageSize, count, reasonable, (Boolean)null);
}
public static Page startPage(int pageNum, int pageSize, boolean count, Boolean reasonable, Boolean pageSizeZero) {
if(pageNum<=0){
pageNum = 1;
}
if(pageSize<=0){
pageSize = 1;
}
Page page = new Page(pageNum, pageSize, count);
page.setPageNum(pageNum).setPageSize(pageSize);
page.setReasonable(reasonable);
page.setPageSizeZero(pageSizeZero);
return page;
}
}