package com.rongyichuang.common.dto;
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import java.util.List;
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/**
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* 分页响应DTO
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*/
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public class PageResponse<T> {
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private List<T> content;
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private Integer page;
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private Integer size;
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private Long total;
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private Integer totalPages;
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public PageResponse() {}
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public PageResponse(List<T> content, Long total, Integer page, Integer size) {
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this.content = content;
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this.page = page;
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this.size = size;
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this.total = total;
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this.totalPages = (int) Math.ceil((double) total / size);
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}
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// 静态工厂方法
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public static <T> PageResponse<T> of(List<T> content, Long total, PageRequest pageRequest) {
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return new PageResponse<>(content, total, pageRequest.getPage(), pageRequest.getSize());
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}
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// 添加便于GraphQL使用的方法
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public Long getTotalElements() {
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return total;
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}
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public Integer getNumber() {
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return page;
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}
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public Boolean getFirst() {
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return page == 0;
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}
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public Boolean getLast() {
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return page >= totalPages - 1;
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}
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// Getters and Setters
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public List<T> getContent() {
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return content;
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}
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public void setContent(List<T> content) {
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this.content = content;
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}
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public Integer getPage() {
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return page;
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}
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public void setPage(Integer page) {
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this.page = page;
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}
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public Integer getSize() {
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return size;
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}
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public void setSize(Integer size) {
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this.size = size;
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}
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public Long getTotal() {
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return total;
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}
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public void setTotal(Long total) {
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this.total = total;
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}
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public Integer getTotalPages() {
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return totalPages;
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}
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public void setTotalPages(Integer totalPages) {
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this.totalPages = totalPages;
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}
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}
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