studentservicei.java

来自「Struts+Spring+Hibernate 增删改查」· Java 代码 · 共 113 行

package com.yumeng.ssidemo.service;

import java.sql.SQLException;
import java.util.List;
import com.yumeng.ssidemo.dao.StudentDAO;
import com.yumeng.ssidemo.po.Student;

public class StudentServiceI implements StudentService
{
	private StudentDAO studentDAO;

	public StudentDAO getStudentDAO()
	{
		return studentDAO;
	}

	public void setStudentDAO(StudentDAO studentDAO)
	{
		this.studentDAO = studentDAO;
	}

	public void deleteStudent(int id)
	{
		try
		{
			studentDAO.deleteStudent(id);
		}
		catch (SQLException e)
		{

			e.printStackTrace();
		}

	}

	public void insertStudent(Student student)
	{
		try
		{
			studentDAO.insertStudent(student);
		}
		catch (SQLException e)
		{

			e.printStackTrace();
		}

	}

	public List selectAllStudent()
	{

		try
		{
			return studentDAO.selectAllStudent();
		}
		catch (SQLException e)
		{

			e.printStackTrace();
			return null;
		}

	}

	public Student selectStudentById(int id)
	{

		try
		{
			return studentDAO.selectStudentById(id);
		}
		catch (SQLException e)
		{

			e.printStackTrace();
			return null;
		}

	}

	public void updateStudent(Student student)
	{
		try
		{
			studentDAO.updateStudent(student);
		}
		catch (SQLException e)
		{

			e.printStackTrace();
		}

	}

	public Student selectStudentByName(String name)
	{

		try
		{
			return studentDAO.selectStudentByName(name);
		}
		catch (SQLException e)
		{

			e.printStackTrace();
			return null;
		}

	}

}