Java로 구현된 작은 시계 공유 예

复代码代码如下:

//com.clock 패키지;

import java.awt.BasicStroke;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Insets;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.util.Calendar;

import java.util.GregorianCalendar;

import javax.swing.*;

import javax.swing.JFrame;

공개 클래스 Clock은 JFrame을 확장하여 ActionListener를 구현합니다.

비공개 최종 더블 RAD=Math.PI/180;

공개 시계(){

super("시계");

setSize(400, 400);

setLocation(400, 200);

setVisible(참);

setResizing(true);

setBackground(Color.white);

addWindowListener(새 WindowAdapter() {

@보수

공공 무효 windowClosing(WindowEvent e) {

시스템.exit(0);

}

});

ActionListener drawClock=새 ActionListener() {

@보수

공공 무효 actionPerformed(ActionEvent e) {

다시 칠하기();

}

};

새로운 타이머(1000,drawClock).start();

}

@보수

공개 무효 actionPerformed(ActionEvent e) {}

공공 무효 페인트(그래픽 g){

Graphics2D g2=(Graphics2D)g;

삽입 insert=getInsets();

int h=getSize().height;

g2.setStroke(new BasicStroke(3.0f));

g.drawOval(40,40, h-80,h-80);

정수 r=200;

정수 R1=140;

int initRad=60;

for(int i=1;i<=5;i++){

int x0= (int) (r+R1*Math.cos(RAD*initRad));

int y0= (int) (r-R1*Math.sin(RAD*initRad));

g.setFont(new Font("楷体", Font.BOLD, 20));

g.drawString(""+i, x0, y0);

initRad-=30;

}

정수 R2=150;

int initRad2=-120;

for(int i=7;i<=11;i++){

int x0= (int) (r+R2*Math.cos(RAD*initRad2));

int y0= (int) (r-R2*Math.sin(RAD*initRad2));

g.setFont(new Font("楷体", Font.BOLD, 20));

g.drawString(""+i, x0, y0);

initRad2-=30;

}

g.drawString("6", 190, 350);

g.drawString("12", 190, 60);

이제 달력=new GregorianCalendar();

int hour=now.get(Calendar.HOUR_OF_DAY);

int 분=now.get(Calendar.MINUTE);

int second=now.get(Calendar.SECOND);

문자열 시간;

if(시간<10){time="0"+시간;}else{time=""+시간;}

if(분<10){time+=":0"+분;}else{time+=":"+분;}

if(초<10){time+=":0"+초;}else{time+=":"+초;}

g.setColor(Color.WHITE);

g.fillRect(10, 30, 90, 28);

g.setColor(Color.red);

g.drawString(시간, 10, 50);

int S=90초*6;

int M=90분*6;

int H=90시간*30분/2;

g2.setStroke(new BasicStroke(1.0f));

int x=(int) (200+130*Math.cos(RAD*S));

int y=(int) (200-130*Math.sin(RAD*S));

int SS=90-(초-1)*6;

int xx=(int) (200+130*Math.cos(RAD*SS));

int yy=(int) (200-130*Math.sin(RAD*SS));

g.setColor(getBackground());

g.drawLine(200, 200, xx, yy);

g.setColor(Color.black);

g.drawLine(200, 200, x, y);

g2.setStroke(new BasicStroke(2.2f));

int x1=(int) (200+110*Math.cos(RAD*M));

int y1=(int) (200-110*Math.sin(RAD*M));

int MM=90-(분-1)*6;

int x11=(int) (200+110*Math.cos(RAD*MM));

int y11=(int) (200-110*Math.sin(RAD*MM));

g.setColor(getBackground());

g.drawLine(200, 200, x11, y11);

g.setColor(Color.blue);

g.drawLine(200, 200, x1, y1);

g2.setStroke(new BasicStroke(4.3f));

int xx1=(int) (200+90*Math.cos(RAD*H));

int yy1=(int) (200-90*Math.sin(RAD*H));

int HH=90-(시간-1)*30-분/2;;

int xxx1=(int) (200+90*Math.cos(RAD*HH));

int yyy1=(int) (200-90*Math.sin(RAD*HH));

g.setColor(Color.white);

g.drawLine(200, 200, xxx1, yyy1);

g.setColor(Color.green);

g.drawLine(200, 200, xx1, yy1);

}

공개 정적 무효 메인(String[] args) {

새로운 시계();

}

}