pagemodel.java

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package com.bjsxt.drp.util;

import java.util.List;

public class PageModel {
	
	//所有的记录数
	private int totalRecords;
	
	//查询的结果集
	private List list;

	//第几页	
	private int pageNo;
	
	//每页多少条数据
	private int pageSize;
	
	public List getList() {
		return list;
	}

	public void setList(List list) {
		this.list = list;
	}

	public int getTotalRecords() {
		return totalRecords;
	}

	public void setTotalRecords(int totalRecords) {
		this.totalRecords = totalRecords;
	}

	public int getPageNo() {
		
		return getTotalPages()==0?1:pageNo;
	}

	public void setPageNo(int pageNo) {
		this.pageNo = pageNo;
	}

	public int getPageSize() {
		return pageSize;
	}

	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}
	
	public int getTotalPages() {
		if (totalRecords == 0)
			return 1;
		return (totalRecords + pageSize -1)/pageSize;
	}
	
	public int getTopPageNo() {
		return 1;
	}
	
	public int getPreviousPageNo() {
		if (pageNo == 1) {
			return 1;
		}
		return pageNo - 1;
	}
	
	public int getNextPageNo() {
		if (pageNo == getBottomPageNo()) {
			return getBottomPageNo();
		}
		return pageNo + 1;
	}
	
	public int getBottomPageNo() {
		return getTotalPages();
	}
}