package com.ruoyi.utils.pagehelper;
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import java.util.List;
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/**
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* @Description: 分页信息类
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* @ClassName: JpaPageInfo
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* @Author: 刘苏义
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* @Date: 2023年07月31日10:42:40
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* @Version: 1.0
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**/
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public class JpaPageInfo {
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private int totalPage;
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private int pageSize;
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private int pageNum;
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private int total;
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private boolean isFirstPage;
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private boolean isLastPage;
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private boolean hasPreviousPage;
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private boolean hasNextPage;
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private List<?> list;
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public JpaPageInfo() {
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}
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public JpaPageInfo(List list) {
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this.pageNum = JpaPageHelper.pageNum;
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this.pageSize = JpaPageHelper.pageSize;
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this.doPage(list);
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JpaPageHelper.pageNum = 0;
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JpaPageHelper.pageSize = 0;
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}
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public void doPage(List list) {
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if (this.pageSize == 0) {
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this.pageSize = 10;
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}
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this.total = list.size();
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this.totalPage = list.size() / this.pageSize;
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if (list.size() % this.pageSize != 0) {
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this.totalPage++;
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}
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if (this.pageNum * this.pageSize > list.size()) {
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this.pageNum = this.totalPage;
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}
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if (this.pageNum <= 0) {
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this.pageNum = 1;
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}
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int fromIndex = (pageNum - 1) * this.pageSize;
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int toIndex = pageNum * pageSize;
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this.isFirstPage = fromIndex == 0;
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this.hasPreviousPage = !this.isFirstPage;
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this.isLastPage = toIndex >= list.size();
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if (this.isLastPage) {
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toIndex = list.size();
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}
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this.hasNextPage = !this.isLastPage;
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this.list = list.subList(fromIndex, toIndex);
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}
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public int getTotalPage() {
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return totalPage;
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}
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public void setTotalPage(int totalPage) {
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this.totalPage = totalPage;
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}
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public int getPageSize() {
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return pageSize;
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}
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public void setPageSize(int pageSize) {
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this.pageSize = pageSize;
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}
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public int getPageNum() {
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return pageNum;
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}
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public void setPageNum(int pageNum) {
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this.pageNum = pageNum;
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}
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public int getTotal() {
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return total;
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}
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public void setTotal(int total) {
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this.total = total;
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}
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public boolean isFirstPage() {
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return isFirstPage;
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}
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public void setFirstPage(boolean firstPage) {
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isFirstPage = firstPage;
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}
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public boolean isLastPage() {
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return isLastPage;
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}
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public void setLastPage(boolean lastPage) {
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isLastPage = lastPage;
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}
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public boolean isHasPreviousPage() {
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return hasPreviousPage;
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}
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public void setHasPreviousPage(boolean hasPreviousPage) {
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this.hasPreviousPage = hasPreviousPage;
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}
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public boolean isHasNextPage() {
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return hasNextPage;
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}
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public void setHasNextPage(boolean hasNextPage) {
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this.hasNextPage = hasNextPage;
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}
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public List<?> getList() {
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return list;
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}
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public void setList(List<?> list) {
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this.list = list;
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}
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}
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