Java遥控风扇作业

迷南。 2021-12-24 15:23 250阅读 0赞

作业：类组合+GUI编程

> 期末了作业还有一大堆，，，还有两天要交这个东东，于是今天花时间写了一哈，真是头疼。一点都没有过端午的感觉，还有好几门课没预习啊我自闭了

作业什么的都搬到这个博客来好了?

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作业要求：带面板的遥控风扇。功能：开/关，调风速，定时（，摇头 该功能暂不考虑）?

定时：可用Timer类实现。  
作业步骤：1.提取所需类，并给出类关系图，并尝试实现部分代码；  
 2.学了第9章后，用可视化编程模拟风扇操作/运行。下图提供6副渐进变化的静态图，依次延时切换（切换速度由速度来控制）可实验动态效果。界面可参考下图：  
![1658108-20190611161521303-1166349966.png][]

>  小白白，写得不好???

public class ElectricFan extends JFrame{
    JTextField speed,timing;
    String s;
    int sp;
    JPanel switchPanel,timingPanel,adjustPanel,statePanel,fanPanel,controlPanel;
    JLabel v,t;
    FanPanel left;
    ControlPanel right;
    ImageIcon[] imgs= {
    new ImageIcon("C:\\图片1.png"),
    new ImageIcon("C:\\图片2.png"),
    new ImageIcon("C:\\图片3.png"),
    new ImageIcon("C:\\图片4.png"),
    new ImageIcon("C:\\图片5.png"),
    new ImageIcon("C:\\图片6.png")
    };
    int index;
    FanPic fp;
    Timer timer;
    boolean IsOn=false;
    ActionListener fanmove=new FanMove();
    //    ActionListener speedListener=new SpeedListen();
    ActionListener timeListener=new TimingListen();
    public ElectricFan() {
    super("遥控风扇");
    init();
    
    }
    private void init() {
    left=new FanPanel();
    right=new ControlPanel();
    fp=new FanPic();
    this.add(left,BorderLayout.WEST);
    this.add(right,BorderLayout.EAST);
    this.add(fp,BorderLayout.CENTER);
    pack();
    this.setBounds(0,0,680,344);
    this.setResizable(false);
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    
    }

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然后是风扇面板- -

class FanPanel extends JPanel {
    
    public FanPanel(){
    speed=new JTextField(11);
    timing=new JTextField(11);
    switchPanel=new JPanel();
    switchPanel.setPreferredSize(new Dimension(180,63));
    switchPanel.setBorder(new TitledBorder("开关"));
    addButton(switchPanel,"开",new Switch());
    addButton(switchPanel,"关",new Switch());
    timingPanel=new JPanel();
    timingPanel.setPreferredSize(new Dimension(180,63));
    timingPanel.setBorder(new TitledBorder("定时"));
    addButton(timingPanel,"+30",new TimeChange());
    addButton(timingPanel,"-30",new TimeChange());
    adjustPanel=new JPanel();
    adjustPanel.setPreferredSize(new Dimension(180,63));
    adjustPanel.setBorder(new TitledBorder("调速"));
    addButton(adjustPanel,"1",new Speed());
    addButton(adjustPanel,"2",new Speed());
    addButton(adjustPanel,"3",new Speed());
    statePanel=new JPanel(new FlowLayout(1,1,1));
    statePanel.setPreferredSize(new Dimension(180,76));
    statePanel.setBorder(new TitledBorder("状态"));
    v=new JLabel("速度：");
    statePanel.add(v);
    statePanel.add(speed);
    //    speed.addActionListener(speedListener);
    t=new JLabel("定时：");
    statePanel.add(t,BorderLayout.SOUTH);
    statePanel.add(timing);
    timing.addActionListener(timeListener);
    fanPanel=new JPanel(new FlowLayout());
    fanPanel.setPreferredSize(new Dimension(200,310));
    //    fanPanel=new JPanel(new GridLayout(4,2,0,5));
    fanPanel.setBorder(new TitledBorder("风扇面板"));
    fanPanel.add(switchPanel,BorderLayout.NORTH);
    fanPanel.add(timingPanel);
    fanPanel.add(adjustPanel);
    fanPanel.add(statePanel);
    this.add(fanPanel);
    }
    
    }

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本来全是用的GridLayout布局，辣么的整齐美观，然鹅状态面板是这个样子滴，,,,,![1658108-20190611161826779-1429355899.png][]

因为网格布局是每个组件都是大小相等的，我还能咋滴，还不是换个布局，，，同学们都用的Box，于是我用FlowLayout试一哈，还是勉强能看吧.，作为一个强迫症，硬是改了好几次数据。

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然后是右边的遥控器面板- -

class ControlPanel extends JPanel{
    public ControlPanel() {
    switchPanel=new JPanel();
    switchPanel.setPreferredSize(new Dimension(180,63));
    switchPanel.setBorder(new TitledBorder("开关"));
    addButton(switchPanel,"开",new Switch());
    addButton(switchPanel,"关",new Switch());
    timingPanel=new JPanel();
    timingPanel.setPreferredSize(new Dimension(180,63));
    timingPanel.setBorder(new TitledBorder("定时"));
    addButton(timingPanel,"+30",null);
    addButton(timingPanel,"-30",null);
    adjustPanel=new JPanel();
    adjustPanel.setPreferredSize(new Dimension(180,63));
    adjustPanel.setBorder(new TitledBorder("调速"));
    addButton(adjustPanel,"1",new Speed());
    addButton(adjustPanel,"2",new Speed());
    addButton(adjustPanel,"3",new Speed());
    //    controlPanel=new JPanel(new GridLayout(3,3,0,3));Grid的执着
    controlPanel=new JPanel(new FlowLayout());
    controlPanel.setPreferredSize(new Dimension(200,310));
    controlPanel.setBorder(new TitledBorder("遥控器面板"));
    controlPanel.add(switchPanel,BorderLayout.NORTH);
    controlPanel.add(timingPanel);
    controlPanel.add(adjustPanel);
    this.add(controlPanel);
    }
    }

中间

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放图片- -

class FanPic extends JPanel{
    public void paint(Graphics g) { 
    super.paint(g); //重写需要先调用这个，所以不能删，嗯
    g.drawImage(imgs[index%imgs.length].getImage(), 1, 46,this); 
    index++;
    }
    }

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加按钮- -

private void addButton(JPanel panel,String name,ActionListener action) {
    JButton button=new JButton(name);
    panel.add(button);
    button.addActionListener(action);
    }

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开关按钮功能实现- -

class Switch implements ActionListener {
    public void actionPerformed(ActionEvent e) {
    String str=e.getActionCommand();
    if(str=="开") {
    if(IsOn==true) {
    
    }else if(IsOn==false) {
    /*timer = new Timer(200,fanmove);
    timer.start();*/
    timer=new Timer();
    timer.schedule(new FanTask(),0,200);
    IsOn=true;
    }
    }else if(str=="关") {
    timer.cancel();
    IsOn=false;
    }
    }
    }

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Timer有两个，一个是在Swing里，一个是在util里。如果使用Swing里的Timer的话就

timer=new Timer(int,ActionListener);  
timer.start();  
但是后来我定时的时候就懵逼了，怎么都不对，约莫是我太菜的缘故。于是我后面都改用了util里面的Timer了。  
timer=new Timer();  
timer.schedule(new FanTask(),1000,200);延迟1秒，每隔200毫秒执行一次任务（好像是这样）。

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如果是Swing里面的，就要- -

class FanMove implements ActionListener {
    public void actionPerformed(ActionEvent e) {
    fp.repaint();
    }
    }

另外一种的话，不需要监听器，但是要- -

class FanTask extends TimerTask{
    public void run() {
    fp.repaint();
    IsOn=true;
    }
    }
    class StopTask extends TimerTask{
    public void run() {
    timer.cancel();
    IsOn=false;
    }
    }

--------------------

123档调速按钮- -

class Speed implements ActionListener {
    public void actionPerformed(ActionEvent e) {
    String str=e.getActionCommand();
    if(str=="1") {
    if(IsOn==true) {
    timer.cancel();
    timer=new Timer();
    timer.schedule(new FanTask(),0,200);
    }else if(IsOn==false) {
    timer=new Timer();
    timer.schedule(new FanTask(),0,200);
    }
    }else if(str=="2"){
    if(IsOn==true) {
    timer.cancel();
    timer=new Timer();
    timer.schedule(new FanTask(),0,61);
    }else if(IsOn==false) {
    timer=new Timer();
    timer.schedule(new FanTask(),0,60);
    }
    }else if(str=="3") {
    if(IsOn==true) {
    timer.cancel();
    timer=new Timer();
    timer.schedule(new FanTask(),0,6);
    }else if(IsOn==false) {
    timer=new Timer();
    timer.schedule(new FanTask(),0,6);
    }
    }
    }
    }

--------------------

定时文本框- -

class TimingListen implements ActionListener {
    public void actionPerformed(ActionEvent e) {
    String str=e.getActionCommand();
    s=speed.getText().toString();
    if(s!=null&&s.length()>0) {
    sp=Integer.parseInt(s);
    }else if(s==null) {
    }
    if(IsOn==true) {
    timer.cancel();
    timer=new Timer();
    timer.schedule(new FanTask(),0,sp);
    timer.schedule(new StopTask(),Integer.parseInt(str));
    }else if(IsOn==false) {
    timer=new Timer();
    timer.schedule(new FanTask(),0,sp);
    timer.schedule(new StopTask(),Integer.parseInt(str));
    }
    }
    }

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先输入速度，然后输入定时。

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定时按钮- -

class TimeChange implements ActionListener{
    public void actionPerformed(ActionEvent e) {
    String str=e.getActionCommand();
    if(str=="+30") {
    
    }else if(str=="-30") {
    
    }
    }
    }

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这功能没写，就这样吧。头发要紧。?

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最后- -

public static void main(String[] args) {
    new ElectricFan().setVisible(true);
    }
    
    }

一天就这么过去了???????

![1658108-20190611162453650-709165758.png][]

啊我自闭了0.0

![1658108-20190611162521910-183638582.jpg][]

转载于:https://www.cnblogs.com/changjue/p/11004374.html

[1658108-20190611161521303-1166349966.png]: /images/20211223/d1469e9b8cec4d2aa554de6b0ad1d8a9.png
[1658108-20190611161826779-1429355899.png]: /images/20211223/15b3329c409541d5a222c74dcf621a35.png
[1658108-20190611162453650-709165758.png]: /images/20211223/6ab322365bc14b858c5f4386b6929b76.png
[1658108-20190611162521910-183638582.jpg]: /images/20211223/76d7f43b917f4717821279e486f703a1.png