199 lines
3.5 KiB
Java
199 lines
3.5 KiB
Java
package com.jsh.util.common;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.Hashtable;
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import java.util.List;
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import java.util.Map;
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/**
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* 分页工具类，实现分页功能
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* @author jishenghua
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* @version [版本号version01, 2012-1-25]
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*/
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@SuppressWarnings("serial")
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public class PageUtil<E> implements Serializable
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{
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/**
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* 总页数，根据总数和单页显示个数进行计算
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*/
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private int totalPage = 0;
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/**
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* 总个数
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*/
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private int totalCount = 0 ;
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/**
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* 当前页码
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*/
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private int curPage = 1;
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/**
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* 每页显示个数
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*/
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private int pageSize = 10;
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/**
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* 是否为第一页
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*/
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private boolean isFirstPage = false;
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/**
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* 是否是最后一页
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*/
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private boolean isLastPage = false;
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/**
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* 是否有上一页
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*/
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private boolean hasPrevious = false;
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/**
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* 是否有下一页
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*/
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private boolean hasNext = false;
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/**
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* 返回页面list数组
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*/
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private List<E> pageList = new ArrayList<E>();
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/**
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* 页面搜索条件，用map来实现
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*/
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private Map<String, Object> advSearch = new Hashtable<String, Object>();
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public PageUtil()
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{
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}
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public PageUtil(int totalCount,int pageSize,int curPage,Map<String, Object> adv)
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{
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init(totalCount,pageSize,curPage,adv);
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}
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/**
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* 初始化页面显示参数
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* @param totalCount 总数
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* @param pageSize 页面显示个数
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* @param curPage 当前页面
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*/
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public void init(int totalCount,int pageSize,int curPage,Map<String, Object> adv)
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{
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this.totalCount = totalCount;
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this.pageSize = pageSize ;
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this.curPage = curPage;
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this.advSearch = adv;
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//计算总页数
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if(pageSize != 0)
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{
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this.totalPage = (totalCount+pageSize-1)/pageSize;
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}
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if(curPage <1)
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{
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this.curPage = 1;
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}
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if(curPage>this.totalPage)
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{
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this.curPage = this.totalPage;
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}
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if(curPage>0&&this.totalPage!=1&&curPage<this.totalPage)
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{
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this.hasNext = true ;
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}
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if(curPage>0&&this.totalPage!=1&&curPage>1&&curPage<=this.totalPage)
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{
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this.hasPrevious = true;
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}
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if(curPage == 1)
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{
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this.isFirstPage = true ;
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}
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if(curPage == this.totalPage)
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{
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this.isLastPage = true;
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}
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}
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public int getTotalPage()
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{
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return totalPage;
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}
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public void setTotalPage(int totalPage)
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{
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this.totalPage = totalPage;
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}
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public int getTotalCount()
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{
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return totalCount;
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}
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public void setTotalCount(int totalCount)
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{
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this.totalCount = totalCount;
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}
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public int getCurPage()
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{
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return curPage;
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}
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public void setCurPage(int curPage)
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{
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this.curPage = curPage;
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}
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public int getPageSize()
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{
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return pageSize;
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}
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public void setPageSize(int pageSize)
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{
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this.pageSize = pageSize;
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}
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public boolean isFirstPage()
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{
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return isFirstPage;
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}
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public void setFirstPage(boolean isFirstPage)
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{
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this.isFirstPage = isFirstPage;
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}
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public boolean isLastPage()
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{
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return isLastPage;
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}
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public void setLastPage(boolean isLastPage)
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{
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this.isLastPage = isLastPage;
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}
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public boolean isHasPrevious()
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{
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return hasPrevious;
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}
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public void setHasPrevious(boolean hasPrevious)
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{
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this.hasPrevious = hasPrevious;
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}
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public boolean isHasNext()
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{
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return hasNext;
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}
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public void setHasNext(boolean hasNext)
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{
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this.hasNext = hasNext;
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}
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public List<E> getPageList()
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{
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return pageList;
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}
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public void setPageList(List<E> pageList)
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{
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this.pageList = pageList;
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}
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public Map<String, Object> getAdvSearch()
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{
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return advSearch;
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}
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public void setAdvSearch(Map<String, Object> advSearch)
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{
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this.advSearch = advSearch;
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}
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}
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