mainwindow.java~9~

基于java的学生信息管理系统的开发与应用

package sfms;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

public class mainWindow extends JFrame implements ActionListener{
JButton findSt,addSt,delSt,updateSt,exitB;
  public static void main (String args[]){
    mainWindow frame=new mainWindow();
  }
//constructor
  public mainWindow(){
      Container c=this.getContentPane();
    c.setLayout(new GridLayout(2,1));
    JPanel lowerPanel=new JPanel();

//create label
    Font defaultFont=c.getFont();
    JLabel label=new JLabel("欢迎进入资料档案管理系统");
    label.setForeground(Color.blue);
    label.setFont(new Font("plain",Font.PLAIN,36));
    c.add(label);

//create Buttons for bottom panel
    findSt=new JButton("查询");
    addSt=new JButton("添加");
    delSt=new JButton("删除");
    updateSt=new JButton("更新");
    exitB=new JButton("退出");
//add buttons
    lowerPanel.add(findSt);
    lowerPanel.add(addSt);
    lowerPanel.add(delSt);
    lowerPanel.add(updateSt);
    lowerPanel.add(exitB);
    c.add(lowerPanel);

//register frame as listener for button events
    findSt.addActionListener(this);
    addSt.addActionListener(this);
    delSt.addActionListener(this);
    updateSt.addActionListener(this);
    exitB.addActionListener(this);
    this.setSize(400,300);
    this.setTitle("SFMS欢迎您");
    this .setVisible(true);

//create anonymous inner class to handle window closing event
    this.addWindowListener(new WindowAdapter(){
      public void windoeClosing(WindowEvent event){
        shutdown();
  }
});
    }

//actionPerformed is involked when a button is clicked
    public void actionPerformed(ActionEvent e){
      if(e.getSource()==findSt){
        findS();
      }
      if(e.getSource()==addSt){
        addS();
      }
      if(e.getSource()==delSt){
        delS();
      }
      if(e.getSource()==updateSt){
        updateS();
      }
      if(e.getSource()==exitB){
        shutdown();
      }
    }
    private void findS(){

    }
    private void addS(){
      AddFI addFi=new AddFI();
      addFi.setVisible(true);
      this.setVisible(false);

    }
    private void delS(){

    }
    private void updateS(){

     }
    private void shutdown(){
    System.exit(0);
     }

    }