src/com/meeting/util/Page.java

微信扫码关注公众号，代码整理好后第一时间通知你。

package com.meeting.util;

import org.apache.ibatis.session.SqlSession;
import com.meeting.dao.CommonDao;
import com.meeting.service.EmployeeService;

public class Page {
	
	private static SqlSession session ;
	private static EmployeeService ser ;
	
	 static {
		try {
			session = CommonDao.getSqlSession();
			ser = session.getMapper(EmployeeService.class);
		} catch (Exception e) {
			e.printStackTrace();
		}
	}
	
	
	// 根据页数计算begin
	public static int getBegin(int page, int pageCount) {
		int begin = (page - 1) * pageCount;
		return begin;
	}

	// 获得所有记录
	public static int getPageCountSum(String status){
		int count =0;
		if(status ==null || status.equals("")) {
			count = ser.getPageSumNoSatus();
		}else if(status.equals("所有")){
			count = ser.getPageSumNoSatus();
		}else {
			count = ser.getPageSumSatus(status);
		}
		return count;
	}
	
	// 根据每页显示的条数计算总共多少页
	public static int getAllPageCount(int pageCount, String status){
		// 表示总共的页数
		int allPageCount = 0;
		int count = getPageCountSum(status);
		allPageCount = count / pageCount;
		if (count % pageCount != 0) {
			allPageCount = allPageCount + 1;
		}
			
		return allPageCount;
	}
}