java学生信息管理系统MVC架构

一、项目结构

学生信息管理系统分三层进行实现。student.java主要提供数据，cotroller.java的功能是绑定试图和计算数据。Stuview.java用于单一的用来显示数据。

二、源码

1.1、Student 类

/*
 * @FileName: Student.class
 * @version:1.0
 * @author:nazi
 * 描述：模型层
 * */
import java.io.Serializable;

/*
 * Summary: Student类实现序列化接口，用于对象的保存
 * @author：nazi
 * @version:1.0
 * */
public class Student implements Serializable {
	//序列化id
	private static final long serialVersionUID = 9088453456517873574L;
	int num;
	String name;
	String sex;
	int age;
	float grade;
	
	public Student(int num ,String nameString,String sexString,int g,float f){
		this.num =num;
		name = nameString;
		sex =sexString;
		age =g;
		grade =f;
	}
	
	
	public int getNum(){
		return num;
	}

	public String getName(){
		return name;
	}

	public String getSex(){
		return sex;
	}

	public int getAge(){
		return age;
	}

	public float getGrades(){
		return grade;
	}
	
	public String toString(){
		return "姓名:"+name+"学号:"+num+"性别:"+sex+"年龄:"+age+"成绩:"+grade;
		
	}

}

1.2、 Cotroller类

/*
 * 文件名： Cotroller.java
 * 描述：mvc中的c，用来管理模型层的数据
 * @authur:Nazi
 * function ：增、删、改、查、保存、更新
 * */
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Iterator;


/*
 * Cotroller类集中对ArrayList<Student>进行操作
 * @Author nazi
 * @version 1.0
 * */
public class Cotroller  {
	
	//student数据集合
	private  ArrayList<Student> list;
	
	public Cotroller(ArrayList<Student> l){
		this.list =l;
	}
	
	/*
	 * rturn a ArrayList<Student>
	 * */
	public ArrayList<Student> getList()
	{
		return list;
	}
	
	/*
	 * 初始化Student数组
	 * */
	public void setList(ArrayList<Student> list)
	{
		this.list = list;
	}
	
	/*
	 * add a student to the List
	 * */
	public void add(Student s)
	{
		list.add(s);
	}
	
	/*
	 * remove the student from list
	 * */
	public void remove(int id)
	{
		for(Iterator<Student> iter = list.iterator(); iter.hasNext();)
		{
			Student s = iter.next();
			
			if(s.getNum() == id)
			{
				list.remove(s);
			}
		}
	}

	/*
	 * print the specific student
	 * */
	public String  printAll(int i) {
		 return list.get(i).toString();
	}
	
	/*
	 * 功能简述：将实现序列化后的对象写入到文件中。
	 * 文件输出地址："/home/nazi/2.txt" 文件地址可以更改
	 * */
    public void fileOt() throws FileNotFoundException{
    	FileOutputStream fo = new FileOutputStream("/home/nazi/2.txt");
    	try {
			ObjectOutputStream so = new ObjectOutputStream(fo);
			so.writeObject(list);
			so.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
    	
    }

    /*
     * function: 从指定路径读取文件，然后将对象状态进行赋值使用
     * 
     * */
    @SuppressWarnings("unchecked")
	public void fileIn() throws FileNotFoundException{
    	FileInputStream fi = new FileInputStream("/home/nazi/2.txt");
    	try {
			ObjectInputStream si = new ObjectInputStream(fi);
			list = (ArrayList<Student>) si.readObject();
			si.close();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
    }
    
    
   

}

1.3、 StuView类

/*
 * FileName:StuView.class
 * 描述：以特定的方式展示数据
 * @Atuthor:nazi
 * @version:1.0
 * */
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JTextArea;
import javax.swing.JTextField;


/*
 * StuView 类用于展示数据
 * @author：nazi
 * @version:1.0 
 * */
public class StuView  {	
	private static Cotroller cotroller;
	public static void main(String args[]){
		//创建管理者
		cotroller = new Cotroller(new ArrayList<Student>());
		//界面
		initFrame();
	}
	
	/*
	 * InitFrame()中含有各种类型的控件，以及控件所对应的事件处理步骤
	 * */
	protected static void initFrame(){
			JFrame frame = new JFrame("学生信息管理系统");
			frame.setSize(600,600);
			frame.setLocation(500, 100);
			frame.setLayout(null);
			//生成组件
			final JTextField name = new JTextField();
			name.setBounds(79, 10, 103, 25);
			final JTextField num = new JTextField();
			num.setBounds(79, 53, 103, 25);
			final JTextField sex = new JTextField();
			sex.setBounds(79, 101, 103, 25);
			final JTextField age = new JTextField();
			age.setBounds(79, 161, 103, 25);
			final JTextField g1 = new JTextField();
			g1.setBounds(79, 216, 103, 25);

			final JTextArea show = new JTextArea();
			show.setBounds(194, 12, 388, 274);
			frame.add(show);
			show.setFont(new Font("Serif",Font.BOLD,18));
		
			
			
			frame.add(show);
			frame.add(name);
			frame.add(num);
			frame.add(sex);
			frame.add(age);
			frame.add(g1);
			frame.add(show);
			
			JLabel label = new JLabel("学号：");
			label.setBounds(12, 55, 63, 13);
			frame.getContentPane().add(label);
			
			JLabel label_1 = new JLabel("姓名：");
			label_1.setBounds(12, 10, 63, 13);
			frame.getContentPane().add(label_1);
			
			JLabel label_2 = new JLabel("性别：");
			label_2.setBounds(12, 110, 63, 13);
			frame.getContentPane().add(label_2);
			
			JLabel label_3 = new JLabel("年龄：");
			label_3.setBounds(12, 167, 63, 13);
			frame.getContentPane().add(label_3);
			
			JLabel label_4 = new JLabel("成绩：");
			label_4.setBounds(12, 226, 70, 13);
			frame.getContentPane().add(label_4);
			
			
			
			//添加学生
			JButton btnAdd =new JButton("添加");
			btnAdd.setBounds(12, 362, 104, 23);
			frame.add(btnAdd);
			btnAdd.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					Student s1 = new Student(Integer.parseInt(num.getText()),name.getText(), sex.getText(),Integer.parseInt(age.getText()),Integer.parseInt(g1.getText()));
					//放到集合
					cotroller.getList().add(s1);
					//打印
					for(int i = 0;i<cotroller.getList().size();i++){
						show.append("\n");
						show.append(cotroller.printAll(i));
					}
					
					
				}
			});
			
			//保存为文件
			JButton btnSave =new JButton("保存");;
			btnSave.setBounds(478, 362, 104, 23);
			frame.add(btnSave);
			btnSave.addActionListener(new ActionListener() {
				public void actionPerformed(ActionEvent arg0) {
					try {
						cotroller.fileOt();
					} catch (FileNotFoundException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
				}
			});
			
			//刷新
			JButton  btnRefresh = new JButton("刷新");
			btnRefresh.setBounds(327, 362, 104, 23);
			frame.add(btnRefresh);
			btnRefresh.addActionListener(new ActionListener() {
				
				@Override
				public void actionPerformed(ActionEvent arg0) {
					try {
						cotroller.fileIn();
					} catch (FileNotFoundException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					//打印
					for(int i = 0;i<cotroller.getList().size();i++){
						show.append("\n");
						show.append(cotroller.printAll(i));
					}
					
				}
			});
			
			//删除
			JButton button_1 = new JButton("删除");
			button_1.setBounds(169, 362, 104, 23);
			button_1.addActionListener(new ActionListener() {
				
				@Override
				public void actionPerformed(ActionEvent arg0) {
					// TODO Auto-generated method stub
					
				}
			});
			frame.add(button_1);
			frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			frame.setVisible(true);	
		}

}

三、运行效果（初始界面、添加界面、刷新界面）

、

原文链接：https://blog.csdn.net/weixin_36571185/article/details/61614723