package cn.wisenergy.model.app; import java.io.Serializable; import java.util.ArrayList; import java.util.List; /** * 分页类 * Created by m1991 on 2021/2/28 23:06 */ public class Page<T> implements Serializable { private static final long serialVersionUID = 5294589632707269745L; //默认页大小 private static int DEFAULT_PAGE_SIZE = 20; private static int DEFAULT_PAGE_NO = 1; //当前页码 private int pageNo; /** * 每页的记录数 */ private int pageSize = DEFAULT_PAGE_SIZE; /** * 总记录数 */ private Integer total; /** * 总页数 */ private int pages; /** * 数据 */ private List<T> list; //开始位置 private Integer beginPos; public Page(List<T> list) { this.list = list; } public Page(int pageNo, int pageSize,Integer total) { pageNo = (pageNo==0 )? DEFAULT_PAGE_NO : pageNo; pageSize = (pageSize==0 )?DEFAULT_PAGE_SIZE : pageSize; this.beginPos=(pageNo-1)*pageSize; this.pageNo = pageNo; this.pageSize = pageSize; this.total = total; } public Page(List<T> list, int pageNo, int pageSize, int total) { this.list = list; this.pageNo = pageNo; this.setPageSize(pageSize); this.setTotal(total); } public Page() { new Page<T>(new ArrayList<T>(), 0, 0, 0); } public void setPage(int pageNo, int pageSize,Integer total) { this.pageNo = pageNo; this.pageSize = pageSize; this.total = total; } public static long getSerialVersionUID() { return serialVersionUID; } public static int getDefaultPageSize() { return DEFAULT_PAGE_SIZE; } public static void setDefaultPageSize(int defaultPageSize) { DEFAULT_PAGE_SIZE = defaultPageSize; } public int getPageNo() { return pageNo; } public void setPageNo(int pageNo) { this.pageNo = pageNo; } public int getPageSize() { return pageSize; } public void setPageSize(int pageSize) { this.pageSize = pageSize; } public long getTotal() { return total; } public void setTotal(Integer total) { this.total = total; } public List<T> getList() { return list; } public void setList(List<T> list) { this.list = list; } public int getPages() { return pages; } public void setPages(int pages) { this.pages = pages; } public Integer getBeginPos() { return beginPos; } public void setBeginPos(Integer beginPos) { this.beginPos = beginPos; } }