分页工具类

package com.soyea.util;

import java.io.Serializable;
import java.util.List;

/**
 * 分页工具类
 */
public class PageBean
 
   implements Serializable {

	private static final long serialVersionUID = -8741766802354222579L;

	private int pageSize=5; // 每页显示多少条记录

	private int currentPage=1; //当前第几页数据

	private int totalRecord; // 一共多少条记录

	private int totalPage; // 一共多少页记录

	private List
  
    dataList; //要显示的数据 public PageBean(int pageNum, int pageSize, List
   
     sourceList) { if (sourceList == null || sourceList.isEmpty()) { return; } // 总记录条数 this.totalRecord = sourceList.size(); // 每页显示多少条记录 this.pageSize = pageSize; //获取总页数 this.totalPage = this.totalRecord / this.pageSize; if (this.totalRecord % this.pageSize != 0) { this.totalPage = this.totalPage + 1; } // 当前第几页数据 this.currentPage = this.totalPage < pageNum ? this.totalPage : pageNum; // 起始索引 int fromIndex = this.pageSize * (this.currentPage - 1); // 结束索引 int toIndex = this.pageSize * this.currentPage > this.totalRecord ? this.totalRecord : this.pageSize * this.currentPage; this.dataList = sourceList.subList(fromIndex, toIndex); } public PageBean() { } public PageBean(int pageSize, int currentPage, int totalRecord, int totalPage, List
    
      dataList) { super(); this.pageSize = pageSize; this.currentPage = currentPage; this.totalRecord = totalRecord; this.totalPage = totalPage; this.dataList = dataList; } 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 getTotalRecord() { return totalRecord; } public void setTotalRecord(int totalRecord) { this.totalRecord = totalRecord; } public int getTotalPage() { return totalPage; } public void setTotalPage(int totalPage) { this.totalPage = totalPage; } public List
     
       getDataList() { return dataList; } public void setDataList(List
      
        dataList) { this.dataList = dataList; } @Override public String toString() { return "PageBean{" + "pageSize=" + pageSize + ", currentPage=" + currentPage + ", totalRecord=" + totalRecord + ", totalPage=" + totalPage + ", dataList=" + dataList + '}'; } }