package com.ld.igds.data;
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import com.baomidou.mybatisplus.plugins.Page;
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import java.io.Serializable;
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import java.util.Collection;
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import java.util.List;
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/**
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* 对Page<E>结果进行包装
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*
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* 之所以进行封装是因为LayUI中不管分页与否获取数据，都需要一个完整的格式返回。 LAYUI中要求查询数据必须封装为： {
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* code:0,msg:"",count:1000,data:[] }
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*
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*
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*/
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public class LayPage<T> implements Serializable {
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private static final long serialVersionUID = 1L;
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// 当前页
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private int curr;
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// 每页的数量
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private int limit;
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// 总记录数
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private long count;
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// 总页数
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private int pages;
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// 结果集
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private List<T> data;
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// 是否为第一页
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private boolean isFirstPage = false;
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// 是否为最后一页
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private boolean isLastPage = false;
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// LayUI中的必须返回的结果编码 0表示成功。
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private int code = 0;
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// LayUI中异常信息。
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private String msg;
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public LayPage() {
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super();
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this.count = 0;
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this.curr = 1;
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this.code = 0;
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this.msg ="无数据";
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}
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/**
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* 包装Page对象
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*
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* @param list
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*/
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public LayPage(List<T> list) {
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super();
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if (null == list || list.isEmpty()) {
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this.count = 0;
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this.curr = 1;
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this.code = 0;
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this.msg ="无数据";
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}
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if (list instanceof Collection) {
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this.curr = 1;
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this.limit = list.size();
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this.pages = 1;
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this.data = list;
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this.count = list.size();
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}
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if (list instanceof Collection) {
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// 判断页面边界
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judgePageBoudary();
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}
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}
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public LayPage(Page<T> page) {
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this.curr = page.getCurrent();
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this.limit = page.getSize();
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this.pages = (int)page.getPages();
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this.data = (List<T>) page.getRecords();
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this.count = page.getTotal();
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}
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/**
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* 判定页面边界
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*/
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private void judgePageBoudary() {
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isFirstPage = curr == 1;
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isLastPage = curr == pages;
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}
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public int getPageNum() {
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return curr;
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}
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public void setPageNum(int pageNum) {
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this.curr = pageNum;
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}
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public int getLimit() {
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return limit;
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}
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public void setLimit(int limit) {
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this.limit = limit;
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}
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public long getCount() {
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return count;
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}
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public void setCount(long count) {
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this.count = count;
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}
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public int getPages() {
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return pages;
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}
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public void setPages(int pages) {
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this.pages = pages;
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}
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public List<T> getData() {
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return data;
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}
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public void setData(List<T> data) {
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this.data = data;
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}
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public boolean isIsFirstPage() {
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return isFirstPage;
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}
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public void setIsFirstPage(boolean isFirstPage) {
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this.isFirstPage = isFirstPage;
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}
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public boolean isIsLastPage() {
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return isLastPage;
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}
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public void setIsLastPage(boolean isLastPage) {
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this.isLastPage = isLastPage;
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}
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@Override
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public String toString() {
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final StringBuffer sb = new StringBuffer("PageInfo{");
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sb.append("curr=").append(curr);
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sb.append(", limit=").append(limit);
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sb.append(", count=").append(count);
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sb.append(", pages=").append(pages);
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sb.append(", data=").append(data);
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sb.append(", isFirstPage=").append(isFirstPage);
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sb.append(", isLastPage=").append(isLastPage);
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sb.append(", navigatepageNums=");
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sb.append('}');
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return sb.toString();
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}
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public int getCode() {
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return code;
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}
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public void setCode(int code) {
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this.code = code;
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}
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public String getMsg() {
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return msg;
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}
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public void setMsg(String msg) {
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this.msg = msg;
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}
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}
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