zsstudentapp.java~3~

zhangyan学生管理模块 简单的登陆实现

package zhangyan34;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.util.Hashtable;
import java.io.*;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JMenuBar;
import javax.swing.event.AncestorEvent;
import javax.swing.event.AncestorListener;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JTextArea;
import java.awt.*;
import javax.swing.JLabel;

public class zsStudentApp extends JFrame {
    JPanel contentPane;
    BorderLayout borderLayout1 = new BorderLayout();
    JMenuBar jMenuBar1 = new JMenuBar();
    JMenu jMenu1 = new JMenu();
    JMenuItem jMenuItem1 = new JMenuItem();
    JMenuItem jMenuItem2 = new JMenuItem();
    JMenuItem jMenuItem3 = new JMenuItem();
    JMenuItem jMenuItem4 = new JMenuItem();
    JLabel jLabel1 = new JLabel();
    zyStudentSituation sframe=null;
    Hashtable info=null;
    File file=null;
    public zsStudentApp() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }

    info=new Hashtable(); // 将Hashtable类的对象info实例化，学生的信息都存在info
// 对象中
    file=new File("zs.txt"); // 将File类的对象file实例化，初始化的文件名为zs.txt
                       //（请将文件名改为自己的姓名首字母）
    if(!file.exists()){   // 如果该文件不存在，则创建存放散列表info的文件zs.txt
      try{
        FileOutputStream out=new FileOutputStream(file);
        ObjectOutputStream objectOut=new ObjectOutputStream(out);
        objectOut.writeObject(info);
        objectOut.close();
        out.close();
      }
      catch(IOException e)
          {
          }
    }

    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(borderLayout1);
        this.setJMenuBar(jMenuBar1);
        setSize(new Dimension(400, 300));
        setTitle("学生管理系统");
        contentPane.addAncestorListener(new
                zsStudentApp_contentPane_ancestorAdapter(this));
        jMenu1.setText("菜单选项");
        jMenuItem1.setText("录入学生基本信息");
        jMenuItem2.setText("修改学生基本信息");
        jMenuItem3.setText("查询学生基本信息");
        jMenuItem4.setText("删除学生基本信息");
        jLabel1.setFont(new java.awt.Font("Dialog", Font.PLAIN, 20));
        jLabel1.setText("欢迎使用学生管理系统");
        jMenuBar1.add(jMenu1);
        jMenu1.add(jMenuItem1);
        jMenu1.add(jMenuItem2);
        jMenu1.add(jMenuItem3);
        jMenu1.add(jMenuItem4);
        contentPane.add(jLabel1, java.awt.BorderLayout.CENTER);
    }

    public void contentPane_ancestorAdded(AncestorEvent event) {

    }
}


class zsStudentApp_contentPane_ancestorAdapter implements AncestorListener {
    private zsStudentApp adaptee;
    zsStudentApp_contentPane_ancestorAdapter(zsStudentApp adaptee) {
        this.adaptee = adaptee;
    }

    public void ancestorAdded(AncestorEvent event) {
        adaptee.contentPane_ancestorAdded(event);
    }

    public void ancestorRemoved(AncestorEvent event) {
    }

    public void ancestorMoved(AncestorEvent event) {
    }
}