frameandmenu.java

来自「java平台开发学生管理系统 功能较全」· Java 代码 · 共 73 行

package frameandmenu;

import operate.*;
import java.awt.*;
import java.awt.event.*;

public class FrameandMenu implements ItemListener{
		Frame f=new Frame("学生管理系统");
	    Panel pan1=new Panel();
		Panel pan2=new Panel();
		
		Label lab1,lab2;
		TextField tf1,tf2;
		
		CheckboxGroup styel;
        Checkbox s,m;

		Button btn;
		String str1,str2, str = "学生";
	public FrameandMenu(){	
	    lab1=new Label("用户名");
		lab2=new Label("密码");	
		tf1=new TextField();
		tf2=new TextField();
		tf2.setEchoChar('*');
		styel=new CheckboxGroup();
        s=new Checkbox("学生",true,styel);
		m=new Checkbox("操作员",false,styel);
		btn=new Button("登陆");
		
		f.setLayout(new BorderLayout());
		f.add(pan1,BorderLayout.CENTER);
		f.add(pan2,BorderLayout.SOUTH);
		pan1.setLayout(new GridLayout(2,2));
		pan1.add(lab1);
		pan1.add(tf1);
		pan1.add(lab2);
		pan1.add(tf2);
		
		pan2.setLayout(new FlowLayout());
		pan2.add(s);
		pan2.add(m);
		pan2.add(btn);
		
		s.addItemListener(this);
		m.addItemListener(this);
		btn.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent e){
				f.dispose();
				str1=tf1.getText();
				str2=tf2.getText();
				Operate o=new Operate();
				o.AllSelect(str,str1,str2);
			}
		});
		
		f.setSize(250,100);
		f.setVisible(true);
		f.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
			}
		}
		);
	}
	public void itemStateChanged(ItemEvent e){
		Checkbox temp;
		if(e.getItemSelectable() instanceof Checkbox){
			temp=(Checkbox)(e.getItemSelectable());
			str=temp.getLabel();
		}
	}
}