adminserviceimpl.java

struts+spring+hibernate的学生管理系统 很适合新手研究

package limq.spring.service;

import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import java.util.*;

import net.sf.hibernate.Hibernate;
import net.sf.hibernate.Criteria;
import net.sf.hibernate.expression.*;
import net.sf.hibernate.Query;
import limq.hibernate.dao.*;
import limq.hibernate.vo.*;
import limq.common.*;
public class AdminServiceImpl implements IAdminService{
    
    private Logger log = Logger.getLogger(this.getClass());

    private IStudents studentsDao;

    private ICourses coursesDao;

    private IClasses classesDao;

    private IDepartment departmentsdao;
    
    private IAdmin adminDao;
    
    private ITeachers teachersDao;
    
    /**
     * 验证用户名密码
     * 
     * @param username
     * @param password
     */

    public boolean validate(String username, String password) {

        String password2 = adminDao.getPasswordFromUsername(username);
        if (password.equals(password2))
            return true;
        else
            return false;

    }

    
    public Department[] getAllDepartment(){
     
       
        return (Department[])departmentsdao.LoadAll(Department.class).toArray(new Department[0]);
    
    }
    
    public Courses[] getAllCourses() {

        return (Courses[]) coursesDao.LoadAll(Courses.class).toArray(new Courses[0]);
    }
    
    public Students[] getAllStudents(){
       
        return (Students[])studentsDao.LoadAll(Students.class).toArray(new Students[0]);
    }
    
    
    public Students[] getStudentsFromClass(Integer id) {

        Classes clazz = (Classes) classesDao.loadByKey(Classes.class, "id", id);

        return (Students[]) clazz.getStudents().toArray(new Students[0]);

    }
    
    public Students getStudentsById(Integer id){
        return (Students)studentsDao.getByPk(Students.class,id);
    }
    
    public Department getDepartmentById(Integer id){
    return(Department)departmentsdao.getByPk(Department.class,id);    
    }
    
    public void insertStudent(String username,String password,String address,String email,Integer phone,Integer department){
        
    Students stu = new Students();
    Contact con = new Contact();
    Department dep = (Department)departmentsdao.getByPk(Department.class,department);
    stu.setContact(con);
    con.setStudent(stu);
    stu.setName(username);
    stu.setPassword(password);
    stu.setDepartment(dep);
    stu.setScore(new Double(0));
    dep.getStudents().add(stu);
    con.setAddress(address);
    con.setEmail(email);
    con.setPhone(phone);
    studentsDao.create(stu); 
    
    }
    
    public void removeStudent(Integer stu_id) throws Exception{
    Students stu=(Students)studentsDao.getByPk(Students.class,stu_id);    
    studentsDao.delete(stu);
    }
    
    public void updateStudent(Students stu,Contact con,Department department){
        
    stu.setContact(con);
    stu.setDepartment(department);
    }
    /**
     * @return 返回 adminDao。
     */
    public IAdmin getAdminDao() {
        return adminDao;
    }
    /**
     * @param adminDao 要设置的 adminDao。
     */
    public void setAdminDao(IAdmin adminDao) {
        this.adminDao = adminDao;
    }
    /**
     * @return 返回 classesDao。
     */
    public IClasses getClassesDao() {
        return classesDao;
    }
    /**
     * @param classesDao 要设置的 classesDao。
     */
    public void setClassesDao(IClasses classesDao) {
        this.classesDao = classesDao;
    }
    /**
     * @return 返回 coursesDao。
     */
    public ICourses getCoursesDao() {
        return coursesDao;
    }
    /**
     * @param coursesDao 要设置的 coursesDao。
     */
    public void setCoursesDao(ICourses coursesDao) {
        this.coursesDao = coursesDao;
    }
    /**
     * @return 返回 departmentsdao。
     */
    public IDepartment getDepartmentsdao() {
        return departmentsdao;
    }
    /**
     * @param departmentsdao 要设置的 departmentsdao。
     */
    public void setDepartmentsdao(IDepartment departmentsdao) {
        this.departmentsdao = departmentsdao;
    }
    /**
     * @return 返回 studentsDao。
     */
    public IStudents getStudentsDao() {
        return studentsDao;
    }
    /**
     * @param studentsDao 要设置的 studentsDao。
     */
    public void setStudentsDao(IStudents studentsDao) {
        this.studentsDao = studentsDao;
    }
    /**
     * @return 返回 teachersDao。
     */
    public ITeachers getTeachersDao() {
        return teachersDao;
    }
    /**
     * @param teachersDao 要设置的 teachersDao。
     */
    public void setTeachersDao(ITeachers teachersDao) {
        this.teachersDao = teachersDao;
    }
    
    
    public static void main(String[] arg) throws Exception {

        BasicConfigurator.configure();
        ApplicationContext context = new ClassPathXmlApplicationContext(
                "applications-service.xml");
        IAdminService admindao = (IAdminService) context
                .getBean("adminManager");
      
    Department[] ds= admindao.getAllDepartment();
    for(int i=0;i<ds.length;i++){
    Department dep = ds[i];    
    System.out.println(dep.getName());
    }
    }
}