简单商城手动分页

package cn.tri.shop.pojo;

   

import java.util.List;

   

public class PageBean {

    private int pageNum ; //当前页

    private int pageSize; //每页记录数

    private int totalRecord; //总记录数

      

    private int totalPage;//总页数

    private int startIndex;//开始索引

      

    //每页记录数的集合

    private List list;

      

    private int start; //能看见的开始页数

    private int end; //能看见的结尾页数

      

      

    //pageNum:当前页码 前端传值

    //pageSize:每页记录数 前端传值

    //totalRecord:总计路数，通过查询得到

    public PageBean(int pageNum, int pageSize, int totalRecord) {

        super();

        this.pageNum = pageNum;

        this.pageSize = pageSize;

        this.totalRecord = totalRecord;

        //获取总页数

        if(totalRecord%pageSize == 0){

            this.totalPage = totalRecord/pageSize;

        }else{

            this.totalPage = totalRecord/pageSize+1;

        }

   

        this.startIndex = (pageNum-1)*pageSize;

        //初始值

        this.start = 1;

        this.end = 5;

        if(totalPage <= 5){

            this.end = totalPage;

        }else{

            this.start = pageNum - 2;

            this.end = pageNum + 2;

            if(start <= 0){

                this.start = 1;

                this.end = 5;

            }

            if(end > totalPage){

                this.end = totalPage;

                this.start = end - 5;

            }

        }

          

          

          

          

    }

   

    public int getPageNum() {

        return pageNum;

    }

   

    public void setPageNum(int pageNum) {

        this.pageNum = pageNum;

    }

   

    public int getPageSize() {

        return pageSize;

    }

   

    public void setPageSize(int pageSize) {

        this.pageSize = pageSize;

    }

   

    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 int getStartIndex() {

        return startIndex;

    }

   

    public void setStartIndex(int startIndex) {

        this.startIndex = startIndex;

    }

   

    public List getList() {

        return list;

    }

   

    public void setList(List list) {

        this.list = list;

    }

   

    public int getStart() {

        return start;

    }

   

    public void setStart(int start) {

        this.start = start;

    }

   

    public int getEnd() {

        return end;

    }

   

    public void setEnd(int end) {

        this.end = end;

    }

   

    @Override

    public String toString() {

        return "PageBean [pageNum=" + pageNum + ", pageSize=" + pageSize

                + ", totalRecord=" + totalRecord + ", totalPage=" + totalPage

                + ", startIndex=" + startIndex + ", list=" + list + ", start="

                + start + ", end=" + end + "]";

    }

      

}