常用公共工具類——分頁工具類(IPage)

 

public class PageUtils implements Serializable {
    //定義程序序列化ID
    private static final long serialVersionUID = 1L;
    /**
     * 總記錄數
     */
    private int totalCount;
    /**
     * 每頁記錄數
     */
    private int pageSize;
    /**
     * 總頁數
     */
    private int totalPage;
    /**
     * 當前頁數
     */
    private int currPage;
    /**
     * 列表數據
     */
    private List<?> list;
    
    /**
     * 分頁
     * @param list        列表數據
     * @param totalCount  總記錄數
     * @param pageSize    每頁記錄數
     * @param currPage    當前頁數
     */
    public PageUtils(List<?> list, int totalCount, int pageSize, int currPage) {
        this.list = list;
        this.totalCount = totalCount;
        this.pageSize = pageSize;
        this.currPage = currPage;
        this.totalPage = (int)Math.ceil((double)totalCount/pageSize);
    }

    /**
     * 分頁
     */
    public PageUtils(IPage<?> page) {
        this.list = page.getRecords();
        this.totalCount = (int)page.getTotal();
        this.pageSize = (int)page.getSize();
        this.currPage = (int)page.getCurrent();
        this.totalPage = (int)page.getPages();
    }

    public int getTotalCount() {
        return totalCount;
    }

    public void setTotalCount(int totalCount) {
        this.totalCount = totalCount;
    }

    public int getPageSize() {
        return pageSize;
    }

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

    public int getTotalPage() {
        return totalPage;
    }

    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }

    public int getCurrPage() {
        return currPage;
    }

    public void setCurrPage(int currPage) {
        this.currPage = currPage;
    }

    public List<?> getList() {
        return list;
    }

    public void setList(List<?> list) {
        this.list = list;
    }
    
}