examserviceimpl.java

struts在线考试系统. 自己还没看

package com.lili.exam.service;

import java.util.List;

import com.lili.common.exception.ExamException;
import com.lili.exam.dao.ExamDao;
import com.lili.exam.dao.ExamDaoImpl;
import com.lili.exam.pojo.CChoice;
import com.lili.exam.pojo.SelectOne;
import com.lili.exam.pojo.Student;
import com.lili.exam.pojo.Subject;
import com.lili.exam.pojo.Teacher;
import com.lili.exam.util.BeanFactory;

public class ExamServiceImpl implements ExamService{

	public Student getStudentByName(String name) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			Student stu = dao.getStudentByName(name);
			return stu;
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public Teacher getTeacherByName(String name) throws ExamException{
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			Teacher tea = dao.getTeacherByName(name);
			return tea;
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public void savaOrUpdateTeacher(Teacher teacher) throws ExamException{
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			dao.savaOrUpdateTeacher(teacher);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public void saveOrUpdateChoice(CChoice choice) throws ExamException{
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			dao.saveOrUpdateChoice(choice);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException("保存判断题出现异常！");
		}
	}

	public void saveOrUpdateSelectOne(SelectOne selectOne) throws ExamException{
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			dao.saveOrUpdateSelectOne(selectOne);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public void saveOrUpdateStudent(Student student) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {

			dao.saveOrUpdateStudent(student);
			
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public List<Student> listStudents() throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			return dao.listStudents();
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public Student getStudentByXuehao(String xuehao) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			return dao.getStudentByXuehao(xuehao);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public Subject getSubjectByName(String name) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			return dao.getSubjectByName(name);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException("保存选择题时出现异常！");
		}
	}

	public void saveOrUpdateSubject(Subject subject) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			dao.saveOrUpdateSubject(subject);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException("保存科目信息时抛出异常！");
		}
	}

	public void changeState() throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			dao.changeState();
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException("改变考试科目状态抛出异常！");
		}
	}

	public int getChoiceNum(Subject subject) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
System.out.println("得到选题 ： "+subject.getName());
			return dao.getChoiceOneNum(subject);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException("得到选择题的数目发现异常！");
		}
	}

	public int getSelectOneNum(Subject subject) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			return dao.getSelectOneNum(subject);
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException("得到判断题的数目发现异常！");
		}
	}

	public CChoice getChoice(int num) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			CChoice choice = dao.getChoice(num);
			return choice;
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

	public SelectOne getSelectOne(int num) throws ExamException {
		ExamDao dao = (ExamDaoImpl) BeanFactory.getBean("examDao");
		try {
			SelectOne selectOne = dao.getSelectOne(num);
			return selectOne;
		} catch (Exception e) {
			e.printStackTrace();
			throw new ExamException(e.getMessage());
		}
	}

}