import java.awt.*;
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import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.Timer;
public class Clock extends JFrame implements ActionListener {
public final int HEIGTH = 200, L0 = 50, T0 = 50,N=8;
public final double RAD = Math.PI / 180.0;
int x, y, old_X, old_Y, r, x0, y0, w, h, ang;
int sdo, mdo, hdo, old_M, old_H, hh, mm, ss;
int delay = 1000;
Calendar now;
String st, alarm, Items1, Items2,str[];
JButton jb;
JComboBox jc1, jc2, jc3;
JLabel jl1, jl2, jl3, jl4;
JMenu jm1, jm2, jm3, jm4;
JMenuBar jmb;
JMenuItem jmi1, jmi2, jmi3, jmi4, jmi5, jmi6, jmi7, jmi8, jmi9,jmi10;
JTextField jtf1, jtf2, time;
JPanel jp1, jp2, jp3;
Timer timer;
TimeZone tz = TimeZone.getTimeZone("JST");
Toolkit toolkit=Toolkit.getDefaultToolkit();;
/**
* br
* 方法說明：實現(xiàn)ActionListener類必須過載的方法
*/
public static void main(String[] args) {
Clock cp = new Clock();
cp.setVisible(true);
}
Clock() {
super("Java鬧鐘！");
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setSize(550, 700);
setVisible(true);
Container contentPane = getContentPane();
jp2 = new JPanel();
jmb = new JMenuBar();
jm1 = new JMenu("背景顏色設(shè)置 ", true);
jmi1 = new JMenuItem("外圈顏色");
jmi1.addActionListener(this);
jmi1.setActionCommand("color1");
jm1.add(jmi1);
jmi2 = new JMenuItem("鬧鐘邊線顏色");
jmi2.addActionListener(this);
jmi2.setActionCommand("color2");
jm1.add(jmi2);
jmi3=new JMenuItem("底盤顏色");
jmi3.addActionListener(this);
jmi3.setActionCommand("color3");
jm1.add(jmi3);
jmi4=new JMenuItem("系統(tǒng)時間背靜顏色");
jmi4.addActionListener(this);
jmi4.setActionCommand("color4");
jm1.add(jmi4);
jmb.add(jm1);
jm2 = new JMenu("指針顏色設(shè)置 ", true);
jmi5 = new JMenuItem("秒針顏色");
jmi5.addActionListener(this);
jmi5.setActionCommand("color5");
jm2.add(jmi5);
jmi6 = new JMenuItem("分針顏色");
jmi6.addActionListener(this);
jmi6.setActionCommand("color6");
jm2.add(jmi6);
jmi7 = new JMenuItem("時針顏色");
jmi7.addActionListener(this);
jmi7.setActionCommand("color7");
jm2.add(jmi7);
jmb.add(jm2);
jm3 = new JMenu("鬧鈴聲音設(shè)置 ", true);
jmi8 = new JMenuItem("響鈴1");
jmi8.addActionListener(this);
jmi8.setActionCommand("ring1");
jm3.add(jmi8);
jmi9 = new JMenuItem("靜音");
jmi9.addActionListener(this);
jmi9.setActionCommand("ring2");
jm3.add(jmi9);
jmb.add(jm3);
jm4 = new JMenu("幫助 ", true);
jmi10=new JMenuItem("使用說明");
jmi10.addActionListener(this);
jmi10.setActionCommand("help");
jm4.add(jmi10);
jmb.add(jm4);
jp2.add(jmb);
contentPane.add(jp2, BorderLayout.NORTH);
jp3 = new JPanel();
jl1 = new JLabel("鬧鈴時間");
jl1.setFont(new Font("楷體_GB2312", Font.BOLD, 18));
time = new JTextField("00:00", 5);
alarm = time.getText();
jb = new JButton("修改鬧鈴時間");
jb.addActionListener(this);
jb.setActionCommand("CC");
jp3.add(jl1);
jp3.add(time);
jp3.add(jb);
contentPane.add(jp3, BorderLayout.SOUTH);
ClockPanel clock = new ClockPanel();
contentPane.add(clock, BorderLayout.CENTER);
// 窗體添加事件監(jiān)聽，監(jiān)聽秒表的觸發(fā)
ActionListener taskPerformer = new ActionListener() {
public void actionPerformed(ActionEvent evt) {
repaint();
}
};
new Timer(delay, taskPerformer).start();
}
/**
* br
* 方法說明：繪制圖形
*/
Color C1 = Color.lightGray;// 外圈顏色
Color C2 = Color.black;// 邊線顏色
Color C3 = Color.magenta;// 內(nèi)盤顏色
Color C4 = Color.blue;// 背景顏色
Color C5 = Color.yellow;// 秒針顏色
Color C6 = Color.green;// 分針顏色
Color C7 = Color.red;//時針顏色
public class ClockPanel extends JPanel {
public void paint(Graphics g) {
h = getSize().height - 200;
// 繪制圓形
g.setColor(C1);
g.fillOval(L0 + 30, T0 + 30, h - 60, h - 60);
g.setColor(C2);
g.drawOval(L0 + 31, T0 + 31, h - 62, h - 62);
g.setColor(C3);
g.fillOval(L0 + 50, T0 + 50, h - 100, h - 100);
g.setColor(C2);
g.drawOval(L0 + 51, T0 + 51, h - 102, h - 102);
r = h / 2 - 30;
x0 = 30 + r - 5 + L0;
y0 = 30 + r - 5 - T0;
ang = 60;
for (int i = 1; i = 12; i++) {
x = (int) ((r - 10) * Math.cos(RAD * ang) + x0);
y = (int) ((r - 10) * Math.sin(RAD * ang) + y0);
g.drawString("" + i, x, h - y);
ang -= 30;
}
x0 = 30 + r + L0;
y0 = 30 + r + T0;
g.drawString("指針式時鐘", 215, 200);
// 獲取時間
now = Calendar.getInstance();
hh = now.get(Calendar.HOUR_OF_DAY);// 小時
mm = now.get(Calendar.MINUTE);// 分鐘
ss = now.get(Calendar.SECOND);// 秒
g.setColor(C4);
g.fillRect(5, 550, 150, 30);// 填充的矩形
g.setColor(C6);
if (hh 10)
st = "0" + hh;
else
st = "" + hh;
if (mm 10)
st = st + ":0" + mm;
else
st = st + ":" + mm;
if(alarm.equals(st))
{
if(toolkit!=null)
toolkit.beep();
else {}
}
if (ss 10)
st = st + ":0" + ss;
else
st = st + ":" + ss;
{
g.setFont(new Font("華文楷體", Font.BOLD, 16));
g.drawString("系統(tǒng)時間:" + st, 10, 570);
}
// 計算時間和圖形的關(guān)系
sdo = 90 - ss * 6;
mdo = 90 - mm * 6;
hdo = 90 - hh * 30 - mm / 2;
// 擦除秒針
if (old_X 0) {
g.setColor(C3);
} else {
old_M = mdo;
old_H = hdo;
}
// 繪制秒針
g.setColor(C5);
x = (int) ((r - 26) * Math.cos(RAD * sdo) + x0);
y = (int) ((r - 26) * Math.sin(RAD * sdo) + y0) - 2 * T0;
g.drawLine(x0, y0, x, (h - y));
old_X = x;
old_Y = y;
// 擦除分針和時針
if (mdo != old_M) {
g.setColor(C3);
old_M = mdo;
}
if (hdo != old_H) {
g.setColor(C3);
old_H = hdo;
}
// 繪制分針
g.setColor(C6);
x = (int) ((r - 50) * Math.cos(RAD * mdo) + x0);
y = (int) ((r - 50) * Math.sin(RAD * mdo) + y0) - 2 * T0;
g.drawLine(x0, y0, x, (h - y));
// 繪制時針
g.setColor(C7);
x = (int) ((r - 90) * Math.cos(RAD * hdo) + x0);
y = (int) ((r - 90) * Math.sin(RAD * hdo) + y0) - 2 * T0;
g.drawLine(x0, y0, x, (h - y));
} // end paint
}
// 鬧鈴時間的判斷及實現(xiàn)
// 鬧鈴聲音的實現(xiàn)
public void actionPerformed(ActionEvent e) {
// JMenuItem m = (JMenuItem) e.getSource();
if (e.getActionCommand() == "CC") {
int newHou, newMin;
char c;
String getTime = JOptionPane.showInputDialog(this, "請輸入鬧鈴時間格式如：", "00:00");
repaint();
//如果撤消設(shè)置時間，就什么打印null
if(getTime==null)
System.out.println(getTime);
// dispose();
judge: if (getTime != null) {
//打印輸入的設(shè)置的時間
System.out.println(getTime);
// 判斷輸入的是不是5位字符
if (getTime.length() != 5) {
JOptionPane.showMessageDialog(time, "格式錯誤\n請按格式輸入5位數(shù)字", "Error",
JOptionPane.ERROR_MESSAGE);
repaint();
break judge;
}
// 判斷輸入的是不是數(shù)字
for (int i = 0; i (getTime.length()); i++) {
c = getTime.charAt(i);
if (i == 2 !Character.isDigit(c))
continue;
// 判斷當(dāng)前字符,如果不是數(shù)字則跳出該事件
if (i != 2 !Character.isDigit(c)) {
JOptionPane.showMessageDialog(this, "格式錯誤\n請按格式輸入5位數(shù)字",
"Error",JOptionPane.ERROR_MESSAGE);
repaint();
break judge;
}
}
char[] hour = { getTime.charAt(0), getTime.charAt(1) };
char[] minute = { getTime.charAt(3), getTime.charAt(4) };
newHou = Integer.parseInt(String.valueOf(hour));
newMin = Integer.parseInt(String.valueOf(minute));
if (newHou = 24 || newHou 0) {
JOptionPane.showMessageDialog(this, "格式錯誤\n小時應(yīng)該是不小于0不大于23的正數(shù)",
"Error", JOptionPane.ERROR_MESSAGE);
repaint();
break judge;
}
if (newMin = 60 || newHou 0) {
JOptionPane.showMessageDialog(this, "格式錯誤\n分鐘應(yīng)該是小于60的正數(shù)", "Error",
JOptionPane.ERROR_MESSAGE);
repaint();
break judge;
}
new SetTime(newHou, newMin);
}
}
if (e.getActionCommand() == "ring1") {
toolkit=Toolkit.getDefaultToolkit();
}
if(e.getActionCommand() == "ring2"){
System.out.println("靜音");
toolkit=null;
}
if (e.getActionCommand() == "color1") {
String color;
Color c;
System.out.println("color1");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的外圈顏色（0--255）", "128");
if (color == null) {
} else {
if (Integer.parseInt(color) 0
|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的外圈顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C1 = c;
}
}
}
if(e.getActionCommand() == "color2"){
String color;
Color c;
System.out.println("color2");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的邊線顏色（0--255）", "128");
if(color==null){}
else{if (Integer.parseInt(color) 0|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的邊線顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C2 = c;
}
}
}
if(e.getActionCommand() == "color3"){
String color;
Color c;
System.out.println("color3");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的內(nèi)盤顏色（0--255）", "128");
if(color==null){}
else{if (Integer.parseInt(color) 0|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的內(nèi)盤顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C3 = c;
}
}
}
if(e.getActionCommand() == "color4"){
String color;
Color c;
System.out.println("color4");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的背景顏色（0--255）", "128");
if(color==null){}
else{if (Integer.parseInt(color) 0|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的背景顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C4 = c;
}
}
}
if(e.getActionCommand() == "color5"){
String color;
Color c;
System.out.println("color5");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的秒針顏色（0--255）", "128");
if(color==null){}
else{if (Integer.parseInt(color) 0|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的秒針顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C5 = c;
}
}
}
if(e.getActionCommand() == "color6"){
String color;
Color c;
System.out.println("color6");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的分針顏色（0--255）", "128");
if(color==null){}
else{if (Integer.parseInt(color) 0|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的分針顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C6 = c;
}
}
}
if(e.getActionCommand() == "color7"){
String color;
Color c;
System.out.println("color7");
color = JOptionPane.showInputDialog(this, "請輸入喜歡的時針顏色（0--255）", "128");
if(color==null){}
else{if (Integer.parseInt(color) 0|| Integer.parseInt(color) 255)
JOptionPane.showInputDialog(this, "請輸入喜歡的時針顏色（0--255）", "128");
else {
c = new Color(Integer.parseInt(color));
C7 = c;
}
}
}
if(e.getActionCommand() == "help"){
String help;
help = JOptionPane.showInputDialog(this, "輸入quit退出該鬧鐘的使用", "這是運行在Java中的指針式時鐘");
if(help.equals("quit"))
dispose();
else {}
// timer.restart();
}
}
class SetTime {
String Hour;
String Minute;
public SetTime() { }
public SetTime(int hour, int minute) {
// 當(dāng)時間參數(shù)小于10的時候在前面添加字符0
if (hour 10) {
Hour = "0" + String.valueOf(hour);
} else {
Hour = "" + String.valueOf(hour);
}
if (minute 10) {
Minute = "0" + String.valueOf(minute);
} else {
Minute = "" + String.valueOf(minute);
}
alarm = Hour + ":" + Minute;
time.setText(alarm);
repaint();
}
}
}
面向?qū)ο笏枷雽懗桑?/p>
下面是一個顯示器類
public?class?Display?{
private?int?value;//現(xiàn)在的值
private?int?limit;//上限值
Display(?int?limit)?{
this.limit?=?limit;
}
public?void?increase()?{
value++;
if(value?==?limit)?{
value?=?0;
}
}
public?int?getValue()?{
return?value;
}
public?static?void?main(String[]?args)?{
Display?d?=?new?Display(24);
for(;;)?{
d.increase();
System.out.println(d.getValue());
}
}
}
下面創(chuàng)建一個時鐘對象：
public?class?Clock?{
private?Display?h?=?new?Display(24);
private?Display?min?=?new?Display(60);
private?Display?s?=?new?Display(60);
public?void?start?()?{
for(;;)?{
s.increase();
if(s.getValue()?==?0){//如果分重置，小時+1
min.increase();
if(min.getValue()?==?0){//如果分重置，小時+1
h.increase();
}
}
System.out.printf("%02d:%02d:%02d\n",h.getValue(),?min.getValue(),s.getValue());//格式輸出
}
}
public?static?void?main(String[]?args)?{
Clock?clock?=?new?Clock();
clock.start();
}
import?java.awt.*;
import?java.awt.event.*;
import?javax.swing.*;
import?sun.util.calendar.Gregorian;
import?java.util.Calendar;
import?java.util.GregorianCalendar;
public?class?ClockPointer?extends?JFrame{
int?x,?y,?x0,?y0,?r,?h,?olds_x,?olds_y,?oldm_x,?oldm_y,?oldh_x,?oldh_y,?
ss,mm,?hh,?old_m,?old_h,?ang;
final?double?RAD?=?Math.PI/180;
public?ClockPointer(){
super("Java時鐘");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Image?image?=?getToolkit().getImage("clock.gif");
setIconImage(image);
setSize(400,400);
setBackground(Color.white);
//setLocation(300,150);
this.setLocationRelativeTo(null);
setResizable(true);
int?delay?=?1000;
//創(chuàng)建一個監(jiān)聽事件
setVisible(true);
ActionListener?drawClock?=?new?ActionListener(){
public?void?actionPerformed(ActionEvent?evt){
repaint();
}
};
//創(chuàng)建一個時間計數(shù)器，每一秒觸發(fā)一次
new?Timer(delay,?drawClock).start();
}
java.text.SimpleDateFormat?fmTime?=?new?java.text.SimpleDateFormat("HH:mm:ss");
//繪制圖形
public?void?paint(Graphics?g){
super.paint(g);
g.setFont(null);
Graphics2D?g2D?=?(Graphics2D)g;
Insets?insets?=?getInsets();
int?L?=?insets.left/2,?T?=?insets.top/2;
h?=?getSize().height;
g.setColor(Color.white);
//畫圓
g2D.setStroke(new?BasicStroke(2.0f));
g.setColor(Color.gray);
g.drawOval(L+40,?T+40,?h-80,?h-80);
r?=?h/2?-?40;
x0?=?40?+?r?-?5?+?L;
y0?=?40?+?r?-?5?-?T;
ang?=?60;
//繪制時鐘上的12個字
for(int?i?=?1;i?=?12;i?++){
x?=?(int)((r+10)*Math.cos(RAD*ang)+x0);
y?=?(int)((r+10)*Math.sin(RAD*ang)+y0);
g.setColor(Color.black);
g.drawString(""+i,?x,?h-y);
ang?-=30;
}
//獲得現(xiàn)在的時間
Calendar?now?=?new?GregorianCalendar();
int?nowh?=?now.get(Calendar.HOUR_OF_DAY);
int?nowm?=?now.get(Calendar.MINUTE);
int?nows?=?now.get(Calendar.SECOND);
String?st=fmTime.format(now.getTime());
//在窗體上顯示時間
g.setColor(Color.pink);
g.fillRect(L,?T,?50,?28);
g.setColor(Color.blue);
g.drawString(st,L+2,T+26);
//計算時間與度數(shù)的關(guān)系
ss?=?90?-?nows*6;
mm?=?90?-?nowm*6;
hh?=?90?-?nowh*30?-?nowm/2;
x0?=?r+40+L;
y0?=?r+40+T;
g2D.setStroke(new?BasicStroke(1.2f));
//擦除秒針
//if(olds_x??0){
//????g.setColor(getBackground());
//????//?g.setColor(Color.gray);
//????g.drawLine(x0,?y0,?olds_x,?h-olds_y);?//?(?)
//}
//繪制秒針
x?=?(int)(r*0.9*Math.cos(RAD*ss))+x0;
y?=?(int)(r*0.9*Math.sin(RAD*ss))+y0-2*T;
g.setColor(Color.yellow);
g.drawLine(x0,?y0,?x,?h-y);
olds_x?=?x;
olds_y?=?y;
g2D.setStroke(new?BasicStroke(2.2f));
//擦除分針
//if(old_m!=mm){
//????g.setColor(getBackground());
//????g.drawLine(x0,y0,oldm_x,h-oldm_y);
//}
//繪制分針
x?=?(int)(r*0.7*Math.cos(RAD*mm))+x0;
y?=?(int)(r*0.7*Math.sin(RAD*mm))+y0-2*T;
g.setColor(Color.green);
g.drawLine(x0,y0,x,h-y);
oldm_x?=?x;
oldm_y?=?y;
old_m?=?mm;
g2D.setStroke(new?BasicStroke(3.2f));
//擦除時針
//if(old_h!=hh){
//????g.setColor(getBackground());
//????g.drawLine(x0,y0,oldh_x,h-oldh_y);
//}
//繪制時針
x?=?(int)(r*0.5*Math.cos(RAD*hh))+x0;
y?=?(int)(r*0.5*Math.sin(RAD*hh))+y0-2*T;
g.setColor(Color.red);
g.drawLine(x0,y0,x,h-y);
oldh_x?=?x;
oldh_y?=?y;
old_h?=?hh;
}
public?static?void?main(String[]?args){
new?ClockPointer();
}
}
//整理一下
import
java.util.*;
import
java.awt.*;
import
java.applet.*;
//impelements
Runnable
是線程程序的接口
public
class
Clock
extends
Applet
implements
Runnable
{
Thread
timer
=
null;
//
定義線程實體timer
int
xcenter
=
400,
ycenter
=
50;
int
Radius
=
ycenter
-
5;
public
void
init()
{
resize(400,
125);//
設(shè)置時鐘程序的窗口大小
setBackground(Color.white);//
設(shè)置小應(yīng)用程序的背景色
}
public
void
paint(Graphics
g)
{
int
xh,
yh,
xm,
ym,
xs,
ys,
s,
m,
h;
String
today;
Date
dat
=
new
Date();
//
定義時間類dat
s
=
dat.getSeconds();
//
獲得時間秒
m
=
dat.getMinutes();
//
獲得時間分
h
=
dat.getHours();
today
=
dat.toLocaleString();
//
獲得字符串時間格式
g.clearRect(0,
0,
size().width,
size().height);
//
消除小應(yīng)用程序
xcenter
=
xcenter
-
1;
//
向左移動一個像素點
if
(xcenter
-50)
xcenter
=
400;
//
如果xcenter小于-50，則回到初始位置
//
計算秒的坐標(biāo)
xs
=
(int)
(Math.cos(s
*
3.14f
/
30
-
3.14f
/
2)
*
(Radius
-
5)
+
xcenter);
ys
=
(int)
(Math.sin(s
*
3.14f
/
30
-
3.14f
/
2)
*
(Radius
-
5)
+
ycenter);
//
計算分鐘的坐標(biāo)
xm
=
(int)
(Math.cos(m
*
3.14f
/
30
-
3.14f
/
2)
*
(Radius
-
10)
+
xcenter);
ym
=
(int)
(Math.sin(m
*
3.14f
/
30
-
3.14f
/
2)
*
(Radius
-
10)
+
ycenter);
//
計算小時的坐標(biāo)
xh
=
(int)
(Math.cos((h
*
30
+
m
/
2)
*
3.14f
/
180
-
3.14f
/
2)
*
(Radius
-
20)
+
xcenter);
yh
=
(int)
(Math.sin((h
*
30
+
m
/
2)
*
3.14f
/
180
-
3.14f
/
2)
*
(Radius
-
20)
+
ycenter);
g.setColor(Color.darkGray);
//
設(shè)置顏色
g.drawString("9",
xcenter
-
(Radius
-
5),
ycenter
+
3);
//
顯示時鐘上的數(shù)字‘9’
g.drawString("3",
xcenter
+
(Radius
-
10),
ycenter
+
3);
//
顯示時鐘上的數(shù)字‘3’
g.drawString("12",
xcenter
-
5,
ycenter
-
(Radius
-
13));
//
顯示時鐘上的數(shù)字'12'
g.drawString("6",
xcenter
-
3,
ycenter
+
(Radius
-
10));
//
顯示時鐘上的數(shù)字'6'
g.drawString(today,
0,
125);
//
顯示字符串時鐘
g.drawLine(xcenter,
ycenter,
xs,
ys);
//
畫秒針
g.setColor(Color.blue);
//
設(shè)置顏色
g.drawArc(xcenter
-
Radius,
ycenter
-
Radius,
2
*
Radius,
2
*
Radius,
0,
360);
//
畫鐘
g.drawLine(xcenter,
ycenter
-
1,
xm,
ym);
//
畫分針
g.drawLine(xcenter
-
1,
ycenter,
xm,
ym);
//
畫分針
g.drawLine(xcenter,
ycenter
-
1,
xh,
yh);
//
畫時針
g.drawLine(xcenter
-
1,
ycenter,
xh,
yh);
//
畫時針
}
public
void
start()
{
if
(timer
==
null)
{
timer
=
new
Thread(this);
//
生成Thread(多線程程序)的對象實體
timer.start();
//
啟動生成的線程
}
}
public
void
stop()
{
timer.stop();
//
停止線程的工作
timer
=
null;
//
放掉Thread對象
}
public
void
run()
//
改方法用來定義線程體，一旦線程被啟動執(zhí)行，就開始執(zhí)行這個方法
{
while
(timer
!=
null)
{
try
{
Thread.sleep(150);
//
使當(dāng)前正在執(zhí)行的線程進(jìn)入睡眠時間由參數(shù)millis確定，
//
單位時間是毫秒，當(dāng)這個時間過去，線程即可運行的
while
(timer
!=
null)
{
try
{
Thread.sleep(150);//
使用當(dāng)前正在執(zhí)行的線程進(jìn)入睡眠時間由參數(shù)
//
millis確定,單位是毫秒，當(dāng)這個時間過去，線程即為可運行的
}
catch
(InterruptedException
e)
{
}
repaint();
//
repaint所做的事其實是去調(diào)用方法uadate重畫效應(yīng)用程序
}
timer
=
null;
}
catch
(InterruptedException
e)
{
}
}
}
//
所做的工作是先將整個效應(yīng)用程序區(qū)域清除，再去調(diào)用paint，完成重畫的動作
public
void
update(Graphics
g)
{
paint(g);
}
}
重慶分公司
重慶分公司
