实验6 图形用户界面和Applet编程实验计算机

中国石油大学北京 石油工程学院 黄开浪

import java.awt.Image;

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

import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSlider;

import javax.swing.WindowConstants; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; public class drawcar extends JFrame { Graphics g;

Container container;

JSlider jsliter11=new JSlider(); ImageIcon icon=new

ImageIcon(\); //我笔记本Tomcat服务器的照片;

Image img=icon.getImage();

JButton jButton1=new JButton(\开始\); JButton jButton2=new JButton(\暂停\); drawpicture dra; int x1=0; int y1=0;

Boolean flag=true; public drawcar() {

picture(); }

public void picture() {

jsliter11.setMaximum(100); jsliter11.setMinimum(1); jsliter11.setValue(5); dra=new drawpicture();

jsliter11.addChangeListener(new javax.swing.event.ChangeListener() {

public void

stateChanged(javax.swing.event.ChangeEvent e) {

dra.repaint(); }

石油工程学院 黄开浪

中国石油大学北京 石油工程学院 黄开浪

});

setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); setBounds(500,50,500,500); container=getContentPane(); setTitle(\迷你小车（黄开浪）\);

container.add(dra,BorderLayout.CENTER);

container.add(jsliter11,BorderLayout.NORTH); JPanel jpanel2=new JPanel();

jpanel2.setLayout(new FlowLayout(10, 10,10)); jpanel2.add(jButton1);jpanel2.add(jButton2); container.add(jpanel2,BorderLayout.SOUTH);

jButton1.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

flag=true;

Thread thread=new Thread(new Runnable() {

@Override

public void run() {

while(flag) {

if(x1<500)

{

x1=x1+20; }

else { x1=0; } try{

Thread.sleep(100); }

catch (InterruptedException e) {

// TODO 自动生成的 catch 块 e.printStackTrace(); }

dra.repaint(); }

石油工程学院 黄开浪

中国石油大学北京 石油工程学院 黄开浪

}

} });

thread.start(); } });

jButton2.addActionListener(new ActionListener() {

@Override

public void actionPerformed(ActionEvent e) {

flag=false; } }); }

class drawpicture extends Canvas {

public void paint(Graphics g) {

super.paint(g);

Graphics2D gd=(Graphics2D) g; int newx=0;

int newy=0;

float value=jsliter11.getValue();

newx=(int)(value*img.getWidth(this)/100); newy=(int)(value*img.getHeight(this)/100); //gd.rotate(Math.toRadians(5));

gd.drawImage(img,x1,y1,newx,newy,this); } }

public static void main(String args[]) {

new drawcar().setVisible(true); }

石油工程学院 黄开浪

中国石油大学北京 石油工程学院 黄开浪

3、

import java.awt.BorderLayout; import java.awt.Canvas; import java.awt.Color;

import java.awt.Container; import java.awt.FlowLayout; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GridLayout; import java.awt.Paint; import java.awt.Stroke; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;

import javax.swing.JButton; import javax.swing.JFrame;

import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTable;

import javax.swing.WindowConstants;

import javax.swing.table.DefaultTableModel; import javax.swing.table.TableColumn;

import javax.swing.table.TableColumnModel;

import javax.swing.text.StyledEditorKit.BoldAction;

public class tuiyou extends JFrame {

Graphics g;

石油工程学院 黄开浪

中国石油大学北京 石油工程学院 黄开浪

JButton jButton1=new JButton(\增加选手\); JButton jButton3=new JButton(\删除选手\); JButton jButton2=new JButton(\画图\); drawpicture dra;

DefaultTableModel defaultModel = null; JTable jTable1; int x;

String col[]={\人数\,\竞选一号\,\竞选二号\,\竞选三号\};

String row[][]={{\人数\,\竞选一号\,\竞选二号\,\竞选三号\},{\票数\,\,\,\}}; public void main() {

new tuiyou(); }

/*2 编写一个班级推选优秀生的软件，

* 可列出参与推优的学生名单，能够显示当前投票人数以及每名候选者得票数， * 如果同时能够图形化显示得票数更佳。*/ public tuiyou() {

setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); setTitle(\班级推优\);

Container cn=getContentPane(); setLayout(new BorderLayout()); setBounds(500,100,850,500); JPanel jPanel=new JPanel();

jPanel.setLayout(new GridLayout(2,1));

defaultModel=new DefaultTableModel(row,col); jTable1=new JTable(defaultModel);

jPanel.add(jTable1.getTableHeader()); jPanel.add(jTable1);

cn.add(jTable1,BorderLayout.NORTH); dra=new drawpicture();

cn.add(dra,BorderLayout.CENTER); JPanel jPanel2=new JPanel();

jPanel2.setLayout(new FlowLayout(FlowLayout.CENTER));

jPanel2.add(jButton1);jPanel2.add(jButton3);jPanel2.add(jButton2); cn.add(jPanel2,BorderLayout.SOUTH);

System.out.println(dra.WIDTH+\+dra.HEIGHT); x=jTable1.getColumnCount()-1;

jButton1.addActionListener(new ActionListener() {

@Override

石油工程学院 黄开浪