Spring2.5+Struts1.3.8+JPA(Hibernate实现)整合之四

转载请注明:来自http://blog.csdn.net/M_ChangGong/ 作者:张燕广

该篇主要编写service层代码。

在src下创建包com.zyg.ssj.service，并在该包下创建接口StudentService，该接口文件代码如下：

package com.zyg.ssj.service;

import java.util.List;

import com.zyg.ssj.bean.Student;
import com.zyg.ssj.dao.StudentDao;

public interface StudentService {

	/**
	 * 保存学生信息
	 * @param student
	 */
	public abstract void save(Student student);

	/**
	 * 根据学号删除学生信息
	 * @param studentId
	 */
	public abstract void delete(Integer studentId);

	/**
	 * 根据学生删除学生信息
	 * @param studentId
	 */
	public abstract void delete(Student student);

	/**
	 * 更新学生信息
	 * @param student
	 */
	public abstract void update(Student student);

	/**
	 * 根据学号获取学生信息
	 * @param studentId
	 */
	public abstract Student getStudent(Integer studentId);

	/**
	 * 获取全部学生信息
	 * @param studentId
	 */
	public abstract List<Student> getStudents();

}

在src下创建包com.zyg. ssj.service.impl，并在该包下创建接口

StudentService的实现类StudentServiceImpl，该类文件内容如下：

 

package com.zyg.ssj.service.impl;
import java.util.List;

import javax.annotation.Resource;

import com.zyg.ssj.bean.Student;
import com.zyg.ssj.dao.StudentDao;
import com.zyg.ssj.service.StudentService;


public class StudentServiceImpl implements StudentService {
	@Resource
	private StudentDao studentDao;
	
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#save(com.zyg.ssj.bean.Student)
	 */
	public void save(Student student){
		studentDao.save(student);
	}
	
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#delete(java.lang.Integer)
	 */
	public void delete(Integer studentId){
		studentDao.delete(studentId);
	}
	
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#delete(com.zyg.ssj.bean.Student)
	 */
	public void delete(Student student){
		studentDao.delete(student);
	}
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#update(com.zyg.ssj.bean.Student)
	 */
	public void update(Student student){
		studentDao.update(student);
	}
	
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#getStudent(java.lang.Integer)
	 */
	public Student getStudent(Integer studentId){
		return studentDao.getStudent(studentId);
	}
	
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#getStudents()
	 */
	public List<Student> getStudents(){
		return studentDao.getStudents();
	}
	
	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#getStudentDao()
	 */
	public StudentDao getStudentDao() {
		return studentDao;
	}

	/* (non-Javadoc)
	 * @see com.zyg.ssj.service.impl.StudentService#setStudentDao(com.zyg.ssj.dao.StudentDao)
	 */
	public void setStudentDao(StudentDao studentDao) {
		this.studentDao = studentDao;
	} 
}

 

至此，service层代码编写完毕，下一篇修改配置文件并进行整合后的单元测试。