src/com/service/JunkService.java

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package com.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
import java.util.Date;
import java.util.Objects;
import com.dao.JunkDao;
import com.entity.Junk;
@Service
public class   JunkService {
 	@Autowired
	private JunkDao junkDao;

	public boolean add(Junk junk)
	{
		return junkDao.insert(junk) > 0;
	}
	public boolean edit(Junk junk)
	{
		return junkDao.updateByPrimaryKeySelective(junk) > 0;
	}
	public List<Junk> getList(String where,int page, int size) 
	{
		return junkDao.getList(where,size*(page-1), size);
	}
	public boolean delete(int id) 
	{
		return junkDao.deleteByPrimaryKey(id) > 0;
	}
	public int getTotal(String where)
	{
 		return junkDao.getTotal(where);
	}
	public Junk junkbyid(int id) 
	{
		return junkDao.junkbyid(id);
	}
}