package com.nuvole.common.domain.result;
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import cn.hutool.core.convert.Convert;
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import cn.hutool.core.util.NumberUtil;
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import com.nuvole.util.BeanUtil;
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import io.swagger.annotations.ApiModel;
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import io.swagger.annotations.ApiModelProperty;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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// @formatter:off
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/**
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* .-~~~~~~~~~-._ _.-~~~~~~~~~-.
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* __.' @Author ~. .~ 代码无Bug `.__
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* .'// liu.q \./ (秘籍) \\`.
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* .'// [916000612@qq.com] | 欲练神功 引刀自宫 \\`.
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* .'// .-~"""""""~~~~-._ | _,-~~~~"""""""~-. \\`.
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* .'//.-" 2019-04-09 `-. | .-' 11:35 "-.\\`.
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* .'//______.============-.. \ | / ..-============.______\\`.
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*.'______________________________\|/______________________________`.
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*
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* @Description :
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*/
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// @formatter:on
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@Data
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@NoArgsConstructor
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@ApiModel("列表 返回结果列表封装")
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public class PageBean<T> implements Serializable {
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private static final long serialVersionUID = 1000L;
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@ApiModelProperty("总记录数")
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private Integer total; //总记录数
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@ApiModelProperty("结果集")
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private List<T> rows; //结果集
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@ApiModelProperty("第几页")
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private int pageNumber; //第几页
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@ApiModelProperty("每页记录数")
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private int pageSize; //每页记录数
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@ApiModelProperty("总页数")
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private int pages; // 总页数
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@ApiModelProperty("当前页的数量<=pageSize")
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private int size; //当前页的数量<=pageSize
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public PageBean(Object obj) {
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Map map = BeanUtil.obj2Map(obj);
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if(map!=null){
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this.pageNumber = Convert.toInt(map.get("pageNum"));
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this.pageSize = Convert.toInt(map.get("pageSize"));
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this.total = Convert.toInt(map.get("total"));
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this.pages = Convert.toInt(map.get("pages"));
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this.rows = obj == null ? new ArrayList<>() : (List<T>)obj;
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this.size = this.rows.size();
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}
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}
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public void setData(List list){
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if(list != null && list.size() >0){
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this.total = list.size();
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//分页
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if (this.total > 0) {
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int start = Convert.toInt(NumberUtil.mul(pageNumber-1, pageSize));
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int end = Convert.toInt(NumberUtil.mul(pageNumber,pageSize));
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if (start <= total) {
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if (end > total) {
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end = total;
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}
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this.rows = list.subList(start, end);
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} else {
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this.rows = new ArrayList<>();
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}
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}
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}
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}
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}
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