引导类

package cn.itcast.jd;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.scheduling.annotation.EnableScheduling;

@SpringBootApplication
//使用定时任务,需要先开启定时任务,需要添加注解
@EnableScheduling
public class Application {
    public static void main(String[] args) {
        SpringApplication.run(Application.class,args);
    }
}

Service

package cn.itcast.jd.service;

import cn.itcast.jd.pojo.Item;

import java.util.List;

public interface ItemService {
    /**
     * 保存商品
     * @param item
     */
    public void save(Item item);

    /**
     * 根据条件,查询商品
     * @param item
     * @return
     */
    public List<Item> findAll(Item item);
}

ServiceImpl

package cn.itcast.jd.service.impl;

import cn.itcast.jd.dao.ItemDao;
import cn.itcast.jd.pojo.Item;
import cn.itcast.jd.service.ItemService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Example;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class ItemServiceImli implements ItemService {

    @Autowired
    private ItemDao itemDao;

    @Override
    public void save(Item item) {
        this.itemDao.save(item);
    }

    @Override
    public List<Item> findAll(Item item) {
        //声明查询条件
        Example<Item> example=Example.of(item);

        //根据查询条件进行查询数据
        List<Item> list = this.itemDao.findAll(example);
        return list;
    }
}

Dao

package cn.itcast.jd.dao;

import cn.itcast.jd.pojo.Item;
import org.springframework.data.jpa.repository.JpaRepository;

public interface ItemDao extends JpaRepository<Item,Long> {
}

Pojo

package cn.itcast.jd.pojo;

import javax.persistence.*;
import java.util.Date;

@Entity
@Table(name = "jd_item")
public class Item {
    //主键
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    //标准产品单位（商品集合）
    private Long spu;
    //库存量单位（最小品类单元）
    private Long sku;
    //商品标题
    private String title;
    //商品价格
    private Double price;
    //商品图片
    private String pic;
    //商品详情地址
    private String url;
    //创建时间
    private Date created;
    //更新时间
    private Date updated;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public Long getSpu() {
        return spu;
    }

    public void setSpu(Long spu) {
        this.spu = spu;
    }

    public Long getSku() {
        return sku;
    }

    public void setSku(Long sku) {
        this.sku = sku;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public Double getPrice() {
        return price;
    }

    public void setPrice(Double price) {
        this.price = price;
    }

    public String getPic() {
        return pic;
    }

    public void setPic(String pic) {
        this.pic = pic;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public Date getCreated() {
        return created;
    }

    public void setCreated(Date created) {
        this.created = created;
    }

    public Date getUpdated() {
        return updated;
    }

    public void setUpdated(Date updated) {
        this.updated = updated;
    }
}