pagefunction.java

Java语言恐怕是稳居网路应用程序语言的首选了

package cn.lingqi.tool;

import java.io.Serializable;
import java.util.ArrayList;

public class PageFunction implements Serializable{
	private int page; //当前页码
	private int totalCount; //总记录数
	private int pageSie = 10; //每页条数
	private int barSize = 10; //每bar显示页数
	
	public PageFunction(){}
	public PageFunction(int page, int totalCount, int pageSie, int barSize) {
		super();
		this.page = page;
		this.totalCount = totalCount;
		this.pageSie = pageSie;
		this.barSize = barSize;
	}


	public int getBarSize() {
		return barSize;
	}


	public void setBarSize(int barSize) {
		this.barSize = barSize;
	}


	public int getPage() {
		return page;
	}


	public void setPage(int page) {
		this.page = page;
	}


	public int getPageSie() {
		return pageSie;
	}


	public void setPageSie(int pageSie) {
		this.pageSie = pageSie;
	}


	public int getTotalCount() {
		return totalCount;
	}


	public void setTotalCount(int totalCount) {
		this.totalCount = totalCount;
	}


	public ArrayList paging(){
		int page = this.page;
		if (page == 0){
			page =1;
		}
		if (page == (getpageCount()+1)){
			page = getpageCount();
		}
		int pageSize = this.pageSie;
		int total = this.totalCount;
		int barSize = this.barSize;
		ArrayList mypa = new ArrayList();
		int pageCount = (total-1)/pageSize+1;//总页数
		int barPageCount = (pageCount-1)/barSize+1; //bar的总页数
		int currentBar = (page-1)/barSize+1; //当前bar号
		if (page == pageCount ||currentBar==barPageCount){//判断当前bar是否最后页 或 当前页是否最后页
			int xx = pageCount%barSize ; //最后页bar记录数
			int i = (page-1)/barSize; //获取前面N-1页bar数
			for (int j=0;j<xx;j++){
				mypa.add(barSize*i+(j+1)); //最后页bar的页码数
				//mypa[j]=j;
			}
		}else{
		int i = (page-1)/barSize; //获取前面N-1页bar数
		for (int ii=0;ii<barSize;ii++){
			mypa.add(barSize*i+(ii+1)); //最后页bar的页码数
		}
		}
		return mypa;
	} 
	
	public int getBarCount(){
		int pageSize = this.pageSie;
		int total = this.totalCount;
		int pageCount = (total-1)/pageSize+1;//总页数
		int barPageCount = (pageCount-1)/barSize+1; //bar的总页数
		return barPageCount;
	}
	
	public int getpageCount(){
		int pageSize = this.pageSie;
		int total = this.totalCount;
		int pageCount = (total-1)/pageSize+1;//总页数
		return pageCount;
	}
	
	public int getCurrentBar(){ //获得当前页所在的bar号
		int page = this.page;
		int barSie = this.barSize;
		return (page-1)/barSize+1;
	}
}