服务端/course_mgmt/src/com/common/impl/StudentServiceImpl.java

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package com.common.impl;

import java.util.List;

import net.sf.json.JSONArray;

import com.common.dao.StudentDAO;
import com.common.model.Student;
import com.common.service.StudentService;

public class StudentServiceImpl implements StudentService {
	private StudentDAO employeedao;

	@Override
	public boolean save(Student employee) {
		// TODO Auto-generated method stub
		return employeedao.save(employee);
	}

	@Override
	public boolean del(Student employee) {
		// TODO Auto-generated method stub
		return employeedao.del(employee);
	}


	@Override
	public String listjson(String stu_college) {
		// TODO Auto-generated method stub
		List<Student> list = employeedao.list(stu_college);

		JSONArray js = JSONArray.fromObject(list);

		return js.toString();
	}


	public StudentDAO getEmployeedao() {
		return employeedao;
	}

	public void setEmployeedao(StudentDAO employeedao) {
		this.employeedao = employeedao;
	}

	@Override
	public List<Student> list() {
		// TODO Auto-generated method stub
		return employeedao.list();
	}

	@Override
	public Student load(int id) {
		// TODO Auto-generated method stub
		return employeedao.load(id);
	}

	@Override
	public Student login(String username, String password) {
		// TODO Auto-generated method stub