package com.mstf.bean;

import java.util.List;

/**
 * 分页bean
 * @author
 *
 */
public class Page {
	// 人为规定的
	private int pageSize ;// 每页显示多少条数据
	// 通过页面传递过来得
	private int currentPage = 1;// 默认显示第一页的数据
	// 通过查询数据库得来的
	private int rowCount ;// 总行数
	// 通过计算来的
	private int pageCount ;// 总页数
	
	private List list ;// 每页数据的集合
	
	private int startIndex ;// 开始的页码
	
	private int endIndex ;// 结束的页码
	
	public Page() {}
	public Page(int pageSize,int currentPage,int rowCount,List list) {
		this.pageSize = pageSize ;
		this.currentPage = currentPage ;
		this.rowCount = rowCount ;
		this.list = list ;
		pageCount = (rowCount+pageSize-1)/pageSize ;
		if(pageCount <=3) {
			startIndex = 1 ;
			endIndex = pageCount ;
		} else {
			// 1,2,3,4,5,6
			startIndex = currentPage -1 ;
			endIndex = currentPage + 1 ;
			if(startIndex <= 1) {
				startIndex = 1 ;
				endIndex = 3 ;
			}
			if(endIndex >= pageCount) {
				endIndex = pageCount ;
				startIndex = pageCount -2 ;
			}
			
		}
	}
	

	public int getPageSize() {
		return pageSize;
	}

	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}

	public int getCurrentPage() {
		return currentPage;
	}

	public void setCurrentPage(int currentPage) {
		this.currentPage = currentPage;
	}

	public int getRowCount() {
		return rowCount;
	}

	public void setRowCount(int rowCount) {
		this.rowCount = rowCount;
	}

	public int getPageCount() {
		return pageCount;
	}

	public void setPageCount(int pageCount) {
		this.pageCount = pageCount;
	}

	public List getList() {
		return list;
	}

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

	public int getStartIndex() {
		return startIndex;
	}

	public void setStartIndex(int startIndex) {
		this.startIndex = startIndex;
	}

	public int getEndIndex() {
		return endIndex;
	}

	public void setEndIndex(int endIndex) {
		this.endIndex = endIndex;
	}
	
	
	
}