changebanwei.java

班级管理查询系统

package huazheng;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class ChangeBanwei {
	JTextField f1,f2,f3;
	 String s1,s2,s3;
	 JFrame frame=new JFrame("更改班委");
  public void change(){
	  f1=new JTextField("请输入新班长");
	  f2=new JTextField("请输入新副班长");
	  f3=new JTextField("请输入新学习委员");
	  JButton j=new JButton("确定");
	  frame.setLayout(null);
	  
	  frame.add(f1);
	  frame.add(f2);
	  frame.add(f3);
	  frame.add(j);
	  
	  f1.setBounds(10,10,100,30);
	  f2.setBounds(150,10,100,30);
	  f3.setBounds(10,100,100,30);
	  j.setBounds(150,100,100,30);
	  frame.setLocation(300,300);
	  frame.setSize(300,300);
	  j.addActionListener(new ActionListener(){
		  public void actionPerformed(ActionEvent e){
			  s1=f1.getText();
			  s2=f2.getText();
			  s3=f3.getText();
			 Banwei.label.setText(s1);
		   	 Banwei.label2.setText(s2);
			 Banwei.label3.setText(s3);
			 Banwei.ss1=s1;
			 Banwei.ss2=s2;
			 Banwei.ss3=s3;
			 frame.setVisible(false);
		  }
	  });
	  frame.setVisible(true);
  }
	
	public static void main(String[] args) {
		new ChangeBanwei().change();

	}

}