package com.qxueyou.scc.base.util;

import com.qxueyou.scc.base.model.Pager;
import com.qxueyou.scc.base.model.PaginationData;

public class PageUtils {
	
	public static Pager getPager(Integer pageSize,Integer pageNum){
		Pager page = new Pager();
		
		page.setPageNum(pageNum==null?1:pageNum);
		page.setPageSize(pageSize==null?1000:pageSize);
		
		return page;
	}
	
	/**
	 * bootstrap自动组装的分页对象解析为hibernate提供接口的分页对象
	 * @param objPaginationData 前台自动组装的分页对象
	 * @return
	 */
	public static Pager getPager(PaginationData objPaginationData){
		Pager page = new Pager();
		
		int iOffset = objPaginationData.getOffset();
		int iLimit = objPaginationData.getLimit();
		
		page.setPageNum(iOffset==0||iLimit==0?1:iOffset/iLimit+1);
		page.setPageSize(iLimit);
		
		return page;
	}

}