util(分页总类PageView)

package com.guwenren.bean;

import java.util.List;

/**
 * 分页总类
 * @author guwenren
 *
 * @param <T>
 */
public class PageView<T> {
    /** 分页数据 **/
    private List<T> records;
    /** 页码开始索引和结束索引 **/
    private PageIndex pageindex;
    /** 总页数 **/
    private long totalpage = 1;
    /** 每页显示记录数 **/
    private int maxresult = 12;
    /** 当前页 **/
    private int currentpage = 1;
    /** 总记录数 **/
    private long totalrecord;
    /** 页码数量 **/
    private int pagecode = 10;

    /** 要获取记录的开始索引 **/
    public int getFirstResult() {
        return (this.currentpage - 1) * this.maxresult;
    }

    public int getPagecode() {
        return pagecode;
    }

    public void setPagecode(int pagecode) {
        this.pagecode = pagecode;
    }
    public PageView(int currentpage) {
        this.currentpage = currentpage;
    }
    public PageView(int maxresult, int currentpage) {
        this.maxresult = maxresult;
        this.currentpage = currentpage;
    }

    public void setQueryResult(QueryResult<T> qr) {
        setTotalrecord(qr.getTotalrecord());
        setRecords(qr.getResultlist());
    }

    public long getTotalrecord() {
        return totalrecord;
    }

    public void setTotalrecord(long totalrecord) {
        this.totalrecord = totalrecord;
        setTotalpage(this.totalrecord % this.maxresult == 0 ? this.totalrecord / this.maxresult : this.totalrecord / this.maxresult + 1);
    }

    public List<T> getRecords() {
        return records;
    }

    public void setRecords(List<T> records) {
        this.records = records;
    }

    public PageIndex getPageindex() {
        return pageindex;
    }

    public long getTotalpage() {
        return totalpage;
    }

    public void setTotalpage(long totalpage) {
        this.totalpage = totalpage;
        this.pageindex = PageIndex.getPageIndex(pagecode, currentpage, totalpage);
    }

    public int getMaxresult() {
        return maxresult;
    }

    public int getCurrentpage() {
        return currentpage;
    }
}