PHP笔记网

package com.wanma.apps.service.impl;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.wanma.apps.entity.Seller;
import com.wanma.apps.entity.SellerFormat;
import com.wanma.apps.mapper.SellerFormatMapper;
import com.wanma.apps.service.ISellerFormatService;
import com.wanma.apps.service.ISellerService;
import com.wanma.framework_noweb.model.ResJson;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

/**
 * <p>
 * 商家清洗表 服务实现类
 * </p>
 *
 * @author Albert
 * @since 2022-07-20
 */
@Service
public class SellerFormatServiceImpl extends ServiceImpl<SellerFormatMapper, SellerFormat> implements ISellerFormatService {
    @Resource
    private ISellerService iSellerService;

    /**
     * 格式化商家信息
     */
    @Override
    public ResJson<Object> formatSeller() {
        ResJson<Object> res = ResJson.instance().error();
        long pageSize = 3;

        // 商家的分页列表
        Page<Seller> sellerPage = this.iSellerService.lambdaQuery()
            .orderByAsc(Seller::getId)
            .page(new Page<>(1, pageSize));

        long totalPages = sellerPage.getPages();
        for (long pageNum = 1; pageNum <= totalPages; pageNum++) {
            if (pageNum != 1) {
                sellerPage = this.iSellerService.lambdaQuery()
                    .orderByAsc(Seller::getId)
                    .page(new Page<>(pageNum, pageSize));
            }
            System.out.println("【正在处理分页】" + pageNum + "/" + totalPages);
            for (Seller seller : sellerPage.getRecords()) {
                System.out.println(seller.getId());
                // 处理逻辑
                // ....
            }
        }
        return res.ok();
    }
}

测试：

package com.wanma;

import com.wanma.apps.service.ISellerFormatService;
import com.wanma.apps.spider.amazon_us.AmazonUsTool;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;

import javax.annotation.Resource;

@SpringBootTest
class RunAmazonUSTests {
    @Resource
    private ISellerFormatService iSellerFormatService;

    @Test
    void test_01() {
        // 格式化 亚马逊商家信息
        this.iSellerFormatService.formatSeller();
    }

}

输出：

【正在处理分页】1/11
1
2
3
【正在处理分页】2/11
4
5
6
【正在处理分页】3/11
7
8
9