package com.nq.vo.stock;
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import cn.hutool.core.util.StrUtil;
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import com.baomidou.mybatisplus.core.metadata.OrderItem;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import lombok.AllArgsConstructor;
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import lombok.Builder;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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@Data
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@Builder
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@AllArgsConstructor
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@NoArgsConstructor
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public class PageQuery {
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private Long pageNo;
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private Long pageSize;
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private String sortBy;
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private Boolean isAsc;
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public <T> Page<T> toMpPage(OrderItem ... items){
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// 1.分页条件
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Page<T> page = Page.of(pageNo, pageSize);
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// 2.排序条件
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if(StrUtil.isNotBlank(sortBy)){
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// 不为空
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OrderItem orderItem=new OrderItem();
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//排序方式
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orderItem.setAsc(isAsc);
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//排序字段
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orderItem.setColumn(sortBy);
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page.addOrder(orderItem);
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}else if(items != null){
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// 为空，默认排序
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page.addOrder(items);
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}
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return page;
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}
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public <T> Page<T> toMpPage(String defaultSortBy, boolean isAsc){
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OrderItem orderItem=new OrderItem();
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//排序方式
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orderItem.setAsc(isAsc);
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//排序字段
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orderItem.setColumn(defaultSortBy);
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return this.toMpPage(orderItem);
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}
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public <T> Page<T> toMpPageDefaultSortByCreateTimeDesc() {
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return toMpPage("create_time", false);
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}
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public <T> Page<T> toMpPageDefaultSortByUpdateTimeDesc() {
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return toMpPage("update_time", false);
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}
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}
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