書城項目:第5階段

書城項目第五階段-圖書分頁

1、分頁模塊的分析

 

 

2、分頁模型 Page 的抽取(當前頁數,總頁數,總記錄數,當前頁數據,每頁記錄數)

Page.java類(JavaBean):java

package com.zixue.pojo;

import java.util.List;

/**
 * Page是分頁的模型對象
 * @param <T> 是具體的模塊的JavaBean類
 */
public class Page<T> {

    public static final Integer PAGE_SIZE = 4;
    //當前頁碼
    private Integer pageNo;
    //總頁碼
    private Integer pageTotal;
    //當前頁顯示數量
    private Integer pageSize = PAGE_SIZE;
    //總記錄書
    private Integer pageTotalCount;
    //當前頁數據
    private List<T> items;

    public Page() {
    }

    public Page(Integer pageNo, Integer pageTotal, Integer pageSize, Integer pageTotalCount, List<T> items) {
        this.pageNo = pageNo;
        this.pageTotal = pageTotal;
        this.pageSize = pageSize;
        this.pageTotalCount = pageTotalCount;
        this.items = items;
    }

    public Integer getPageNo() {
        return pageNo;
    }

    public void setPageNo(Integer pageNo) {
        this.pageNo = pageNo;
    }

    public Integer getPageTotal() {
        return pageTotal;
    }

    public void setPageTotal(Integer pageTotal) {
        this.pageTotal = pageTotal;
    }

    public Integer getPageSize() {
        return pageSize;
    }

    public void setPageSize(Integer pageSize) {
        this.pageSize = pageSize;
    }

    public Integer getPageTotalCount() {
        return pageTotalCount;
    }

    public void setPageTotalCount(Integer pageTotalCount) {
        this.pageTotalCount = pageTotalCount;
    }

    public List<T> getItems() {
        return items;
    }

    public void setItems(List<T> items) {
        this.items = items;
    }

    @Override
    public String toString() {
        return "Page{" +
                "pageNo=" + pageNo +
                ", pageTotal=" + pageTotal +
                ", pageSize=" + pageSize +
                ", pageTotalCount=" + pageTotalCount +
                ", items=" + items +
                '}';
    }
}
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