Question

Java中利用图形用户界面和多线程,实现各自“学号 姓名”,从上到下的文字移动？

Answer 1

import java.awt.Button;import java.awt.FlowLayout;import java.awt.Label;import java.awt.TextArea;import java.awt.TextField;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.TextEvent; import javax.swing.JFrame; /* * java编程 完成下图所示的图形用户界面设计， */public class Demo3 {    public static void main(String[] args) {        //创建窗体对象        JFrame jf = new JFrame("信息获取");        //设置大小        jf.setSize(300, 300);        //设置居中        jf.setLocationRelativeTo(null);        //设置布局        jf.setLayout(new FlowLayout());        //设置关闭事件        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);        //添加label        Label stuClass = new Label("班级");        Label stuNo = new Label("学号");        Label stuName = new Label("姓名");        //添加文本框        final TextField tfClass = new TextField(30);        final TextField tfNo = new TextField(30);        final TextField tfName = new TextField(30);        //添加按钮        Button confirm = new Button("确定");        Button cancel = new Button("取消");        //添加文本域        final TextArea ta = new TextArea(30,30);        //添加        jf.add(stuClass);        jf.add(tfClass);        jf.add(stuNo);        jf.add(tfNo);        jf.add(stuName);        jf.add(tfName);        jf.add(confirm);        jf.add(cancel);        jf.add(ta);        //添加事件        confirm.addMouseListener(new MouseAdapter() {            @Override            public void mouseClicked(MouseEvent e) {                String stuClass = tfClass.getText().trim();                String stuNo = tfNo.getText().trim();                String stuName = tfName.getText().trim();                tfClass.setText("");                tfNo.setText("");                tfName.setText("");                ta.append("班级："+stuClass+"\r\n"+"学号："+stuNo+"\r\n"+"姓名："+stuName+"\r\n");            }        });        cancel.addMouseListener(new MouseAdapter() {            @Override            public void mouseClicked(MouseEvent e) {                System.exit(0);            }        });        //显示        jf.setVisible(true);    }}

   

Answer 2

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