战国basara浓姬乱蝶:添加"开始"和"暂停"按钮,"开始"时钟转动,"暂停"则停止

public class Clock extends Applet implements Runnable {
private volatile Thread timer;
private int lastxs, lastys, lastxm,
lastym, lastxh, lastyh;
private SimpleDateFormat formatter;
private String lastdate;
private Font clockFaceFont;
private Date currentDate;
private Color handColor;
private Color numberColor;
private int xcenter = 80, ycenter = 55;

public void init() {
int x,y;
lastxs = lastys = lastxm = lastym = lastxh = lastyh = 0;
formatter = new SimpleDateFormat ("EEE MMM dd hh:mm:ss yyyy",
Locale.getDefault());
currentDate = new Date();
lastdate = formatter.format(currentDate);
clockFaceFont = new Font("Serif", Font.PLAIN, 14);
handColor = Color.blue;
numberColor = Color.darkGray;

try {
setBackground(new Color(Integer.parseInt(getParameter("bgcolor"),
16)));
} catch (NullPointerException e) {
} catch (NumberFormatException e) {
}
try {
handColor = new Color(Integer.parseInt(getParameter("fgcolor1"),
16));
} catch (NullPointerException e) {
} catch (NumberFormatException e) {
}
try {
numberColor = new Color(Integer.parseInt(getParameter("fgcolor2"),
16));
} catch (NullPointerException e) {
} catch (NumberFormatException e) {
}
resize(300,300);
}

public void update(Graphics g) {
int xh, yh, xm, ym, xs, ys;
int s = 0, m = 10, h = 10;
String today;

currentDate = new Date();

formatter.applyPattern("s");
try {
s = Integer.parseInt(formatter.format(currentDate));
} catch (NumberFormatException n) {
s = 0;
}
formatter.applyPattern("m");
try {
m = Integer.parseInt(formatter.format(currentDate));
} catch (NumberFormatException n) {
m = 10;
}
formatter.applyPattern("h");
try {
h = Integer.parseInt(formatter.format(currentDate));
} catch (NumberFormatException n) {