JAVA计时器的JAVA代码

import javautil;

import javaawt;

import javaawtevent;

import javaapplet;

public class Clock extends Applet {

private final Panel pnlTop = new Panel();

private final Panel pnlBot = new Panel();

private final Label lblDate = new Label();

private final Label lblTime = new Label();

private final Label lblWatch = new Label();

private final Button btnGo = new Button("开始");

private final Button btnReset = new Button("重置");

private final Label lblSplit = new Label();

private final Button btnSplit = new Button("定点");

private final Button btnSplitReset = new Button("定点重置");

private final Button btnLapAdd = new Button("冲线");

private final Button btnLapReset = new Button("冲线重置");

private final javaawtList lstLaps = new javaawtList();

private final UpdateClockThread ucThread = new UpdateClockThread();

private final StopwatchThread swThread = new StopwatchThread();

private class btnGoListener implements ActionListener {

public void actionPerformed(ActionEvent e) {

if ((btnGogetLabel()equals("开始")) ||

(btnGogetLabel()equals("继续"))) {

// Start the clock!

swThreadgo();

btnGosetLabel("停止");

btnGosetBackground(Colorred);

} else if (btnGogetLabel()equals("停止")) {

// Stop the clock!

swThreadnoGo();

btnGosetLabel("继续");

btnGosetBackground(Colorgreen);

}

}

}

private class btnResetListener implements ActionListener {

/ Actually run when the button gets clicked

@param e The event

/

public void actionPerformed(ActionEvent e) {

swThreadreset();

btnGosetLabel("开始");

btnGosetBackground(Colorgreen);

}

}

/ Listens to the Split button

@version CS2136 - Term D'00 - Assignment 5

@author Peter Cooper Jr

/

private class btnSplitListener implements ActionListener {

/ Actually run when the button gets clicked

@param e The event

/

public void actionPerformed(ActionEvent e) {

lblSplitsetText(lblWatchgetText());

}

}

/ Listens to the Split Reset button

@version CS2136 - Term D'00 - Assignment 5

@author Peter Cooper Jr

/

private class btnSplitResetListener implements ActionListener {

/ Actually run when the button gets clicked

@param e The event

/

public void actionPerformed(ActionEvent e) {

lblSplitsetText("");

}

}

/ Listens to the Lap Add button

@version CS2136 - Term D'00 - Assignment 5

@author Peter Cooper Jr

/

private class btnLapAddListener implements ActionListener {

/ Actually run when the button gets clicked

@param e The event

/

public void actionPerformed(ActionEvent e) {

swThreadaddLap();

}

}

/ Listens to the Lap Reset button

@version CS2136 - Term D'00 - Assignment 5

@author Peter Cooper Jr

/

private class btnLapResetListener implements ActionListener {

/ Actually run when the button gets clicked

@param e The event

/

public void actionPerformed(ActionEvent e) {

swThreadresetLap();

}

}

/ A thread that updates the current date & time

@version CS2136 - Term D'00 - Assignment 5

@author Peter Cooper Jr

/

private class UpdateClockThread extends Thread {

/ The actual work of the thread

/

public void run() {

while (true) {

Calendar now = CalendargetInstance();

String month = IntegertoString(nowget(CalendarMONTH)+1);

String date = IntegertoString(nowget(CalendarDAY_OF_MONTH));

String year = IntegertoString(nowget(CalendarYEAR));

String hour = IntegertoString(nowget(CalendarHOUR));

if (hourequals("0")) hour = "12";

String minute = IntegertoString(nowget(CalendarMINUTE));

if (minutelength() == 1) minute = "0" + minute;

String second = IntegertoString(nowget(CalendarSECOND));

if (secondlength() == 1) second = "0" + second;

String ampm = nowget(CalendarAM_PM) == CalendarAM

"AM" : "PM";

lblDatesetText(month + "/" + date + "/" + year);

lblTimesetText(hour + ":" + minute + ":" + second

+ " " + ampm);

try {

sleep(500);

} catch (InterruptedException e) {}

}

}

}

private class StopwatchThread extends Thread {

/ Whether or not stopwatch is running /

private boolean going = false;

/ Stores elapsed milliseconds of previous runs /

private long prevElapsed = 0;

/ Stores beginning time of this run /

private Date startDate = new Date();

/ Current lap number /

private int lapNum = 0;

/ Elapsed time at end of last lap /

private long lastLapTime = 0;

/ Returns elapsed time in milliseconds

@return The elapsed time

/

private long elapsedTime() {

return prevElapsed +

(going new Date()getTime() - startDategetTime() : 0);

}

/ Changes the number of elapsed milliseconds into a string

@param time Number of elapsed milliseconds

@return The elapsed time as a string

/

private String msToString(long time) {

String ms, sec, min;

if (time % 10 >= 5) //round to nearest hundredth

time += 5;

ms = LongtoString(time % 1000);

while (mslength() < 3)

ms = "0" + ms;

ms = mssubstring(0, mslength() - 1);

time /= 1000;

sec = LongtoString(time % 60);

if (seclength() == 1) sec = "0" + sec;

time /= 60;

min = LongtoString(time);

return min + ":" + sec + "" + ms;

}

public void go() {

startDate = new Date();

going = true;

}

public void noGo() {

prevElapsed = elapsedTime();

going = false;

}

public void reset() {

going = false;

prevElapsed = 0;

lastLapTime = 0;

}

public void addLap() {

long elapsed = elapsedTime();

lstLapsadd("冲线 " + IntegertoString(++lapNum)+ " -- " +

"用时: " + msToString(elapsed) + " -- " +

"冲线时间: " + msToString(elapsed - lastLapTime));

lastLapTime = elapsed;

}

/ Resets the lap list

/

public void resetLap() {

lstLapsremoveAll();

lapNum = 0;

lastLapTime = 0;

}

/ Main code of the thread

/

public void run() {

while (true) {

lblWatchsetText(msToString(elapsedTime()));

yield();

}

}

}

public void init() {

setLayout(new GridLayout(2,1));

setBackground(ColorlightGray);

setForeground(Colorblack);

pnlTopsetLayout(new GridLayout(4,4));

pnlTopadd(new Label("日期:"));

pnlTopadd(lblDate);

pnlTopadd(new Label("时间:"));

pnlTopadd(lblTime);

pnlTopadd(new Label("计时:"));

//lblWatchsetBackground(Colorblack);

lblWatchsetForeground(Colorblue);

pnlTopadd(lblWatch);

pnlTopadd(btnGo);

btnGosetBackground(Colorgreen);

pnlTopadd(btnReset);

pnlTopadd(new Label("定点:"));

pnlTopadd(lblSplit);

pnlTopadd(btnSplit);

pnlTopadd(btnSplitReset);

pnlTopadd(new Label("冲线时间:"));

pnlTopadd(new Label());

pnlTopadd(btnLapAdd);

pnlTopadd(btnLapReset);

pnlBotsetLayout(new GridLayout(1,1));

pnlBotadd(lstLaps);

add(pnlTop);

add(pnlBot);

btnGoaddActionListener(new btnGoListener());

btnResetaddActionListener(new btnResetListener());

btnSplitaddActionListener(new btnSplitListener());

btnSplitResetaddActionListener(new btnSplitResetListener());

btnLapAddaddActionListener(new btnLapAddListener());

btnLapResetaddActionListener(new btnLapResetListener());

swThreadsetDaemon(true);

ucThreadsetDaemon(true);

swThreadstart();

ucThreadstart();

}

public static void main(String[] args) {

Clock applet = new Clock();

Frame aFrame = new Frame("计时器");

aFrameaddWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

Systemexit(0);

}

});

aFrameadd(applet, BorderLayoutCENTER);

aFramesetSize(400, 200);

appletinit();

appletstart();

aFramesetVisible(true);

}

}

import javaawtColor;

import javautil;

import javaawt;

import javaapplet;

public class Clock extends Applet implements Runnable

{

Thread timer=null;

Label label;

int lastxs=50,lastys=30,lastxm=50,lastym=30,lastxh=50,lastyh=30;

public void init()

{

label=new Label(" ");

setBackground(Colorwhite);

add(label);

}

public void paint(Graphics g)

{

int xh,yh,xm,ym,xs,ys,s,m,h,xcenter,ycenter;

Date rightnow=new Date();

String today=rightnowtoLocaleString();

labelsetText(today);

s=rightnowgetSeconds();

m=rightnowgetMinutes();

h=rightnowgetHours();

xcenter=100;

ycenter=80;

xs=(int)(Mathcos(s314f/30-314f/2)45+xcenter);

ys=(int)(Mathsin(s314f/30-314f/2)45+ycenter);

xm=(int)(Mathcos(m314f/30-314f/2)45+xcenter);

ym=(int)(Mathsin(m314f/30-314f/2)45+ycenter);

xh=(int)(Mathcos((h30+m2)314f/180-314f/2)30+xcenter);

yh=(int)(Mathsin((h30+m2)314f/180-314f/2)30+ycenter);

gsetFont(new Font("TimesToman",FontPLAIN,14));

gsetColor(Colororange);

gfill3DRect(xcenter-50,ycenter-50,100,100,true);

gsetColor(ColordarkGray);

gdrawString("12",xcenter-5,ycenter-37);

gdrawString("3",xcenter+40,ycenter+3);

gdrawString("6",xcenter-3,ycenter+45);

gdrawString("9",xcenter-45,ycenter+3);

gsetColor(Colororange);

if(xs!=lastxs||ys!=lastys)

{

gdrawLine(xcenter,ycenter,lastxs,lastys);

}

if(xm!=lastxm||ym!=lastym)

{

gdrawLine(xcenter,ycenter-1,lastxm,lastym);

gdrawLine(xcenter-1,ycenter,lastxm,lastym);

}

if(xh!=lastxh||yh!=lastyh)

{

gdrawLine(xcenter,ycenter-1,lastxh,lastyh);

gdrawLine(xcenter-1,ycenter,lastxh,lastyh);

}

gsetColor(Colorred);

gdrawLine(xcenter,ycenter,xs,ys);

gdrawLine(xcenter,ycenter-1,xm,ym);

gdrawLine(xcenter-1,ycenter,xm,ym);

gdrawLine(xcenter,ycenter-1,xh,yh);

gdrawLine(xcenter-1,ycenter,xh,yh);

lastxs=xs;

lastys=ys;

lastxm=xm;

lastym=ym;

lastxh=xh;

lastyh=yh;

}

public void start()

{

if(timer==null)

{

timer=new Thread(this);

timerstart();

}

}

public void stop()

{

timer=null;

}

public void run()

{

while(timer!=null)

{

try

{

Threadsleep(1000);

}catch(InterruptedException ie){}

repaint();

}

timer=null;

}

public void update(Graphics g)

{

paint(g);

}

}

/ 每3秒运行一次 /

Timer timer = new Timer();

TimerTask tt = new TimerTask() {

public void run() {

/ 投放炸d的 *** 作 /

new Thread() {

public void run() {

try {

Threadsleep(5000);

}catch (Exception e) { }

/ 爆炸的 *** 作 /

}

}start();

}

}; timerschedule(tt, 0, 3000);

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