src/com/service/CoachService.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.CoachDao;
import com.entity.Coach;
@Service
public class   CoachService {
 	@Autowired
	private CoachDao coachDao;

	public boolean add(Coach coach)
	{
		return coachDao.insert(coach) > 0;
	}
	public boolean edit(Coach coach)
	{
		return coachDao.updateByPrimaryKeySelective(coach) > 0;
	}
	public List<Coach> getList(String where,int page, int size) 
	{
		return coachDao.getList(where,size*(page-1), size);
	}
	public boolean delete(int id) 
	{
		return coachDao.deleteByPrimaryKey(id) > 0;
	}
	public int getTotal(String where)
	{
 		return coachDao.getTotal(where);
	}
	public Coach coachbyid(int id) 
	{
		return coachDao.coachbyid(id);
	}

}