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分享javafx写了一个时钟代码，求大神进来看看
怎么加线程让时钟动起来？时钟原先指向特定时间，按开始后从当前时间运行。本人新手，代码不成熟的地方还请大神指教
import java.util.*;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.text.Text;
import javafx.stage.Stage;
public class 时钟 extends Application{
public void start(final Stage primaryStage) {
class btStartHandlerClass implements EventHandler<ActionEvent> {
public void handle(ActionEvent e) {
System.out.println("Start button clicked");
Calendar c = Calendar.getInstance();
x1=c.get(Calendar.SECOND);
x2=c.get(Calendar.MINUTE);
x3=c.get(Calendar.HOUR)*5;
start(primaryStage);
}
}
class btStopHandlerClass implements EventHandler<ActionEvent>{
public void handle(ActionEvent e) {
System.out.println("Stop button clicked");
x1=3;x2=39.5;x3=3.2;
start(primaryStage);
}
}
Pane pane = new Pane();
Button btStart = new Button("Start");
btStart.setLayoutX(410);
btStart.setLayoutY(520);
btStart.setPrefSize(80, 40);
Button btStop = new Button("Stop");
btStop.setLayoutX(310);
btStop.setLayoutY(520);
btStop.setPrefSize(80, 40);
btStartHandlerClass handler1=new btStartHandlerClass();
btStopHandlerClass handler2=new btStopHandlerClass();
btStart.setOnAction(handler1);
btStop.setOnAction(handler2);
pane.getChildren().add(btStart);
pane.getChildren().add(btStop);
Circle circle = new Circle(400,300,200, Color.web("white", 0));//建立圆形，边长为200，白色,透明度为0
circle.setStroke(Color.web("black", 1));//给园边框
pane.getChildren().add(circle);
for (int i = 0; i < 60; i++) {//短的表盘指针
Line line = new Line(400+200*Math.sin(Math.PI*i/30),(300-200*Math.cos(Math.PI*i/30)),400+190*Math.sin(Math.PI*i/30),(300-190*Math.cos(Math.PI*i/30)));
pane.getChildren().add(line);
}
for (int i = 0,j = 0; i < 60; i=i+5,j++) {//长的表盘指针和 表盘数字
String[] n={"12","1","2","3","4","5","6","7","8","9","10","11"};
Line line = new Line(400+200*Math.sin(Math.PI*i/30),(300-200*Math.cos(Math.PI*i/30)),400+180*Math.sin(Math.PI*i/30),(300-180*Math.cos(Math.PI*i/30)));
pane.getChildren().add(line);
Text text = new Text(395+170*Math.sin(Math.PI*i/30),(300-170*Math.cos(Math.PI*i/30)),n[j]);
pane.getChildren().add(text);
}
Line line3 = new Line(400,300,400+160*Math.sin(Math.PI*x1/30),(300-160*Math.cos(Math.PI*x1/30)));
pane.getChildren().add(line3);//秒针
line3.setStroke(Color.RED);
Line line2 = new Line(400,300,400+120*Math.sin(Math.PI*x2/30),(300-120*Math.cos(Math.PI*x2/30)));
pane.getChildren().add(line2);//分针
line2.setStroke(Color.BLUE);
Line line1 = new Line(400,300,400+80*Math.sin(Math.PI*x3/30),(300-80*Math.cos(Math.PI*x3/30)));
pane.getChildren().add(line1);//时针
line1.setStroke(Color.GREEN);
Scene scene = new Scene(pane, 800, 600);
primaryStage.setTitle("Myclock"); //设置stage标题
primaryStage.setScene(scene); // 把scene放入stage中
primaryStage.show();
}
double x1=3,x2=39.5,x3=3.2;
public static void main(String[] args) {
System.out.println("launch application");
launch(args);
}
}
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进击的zmj 2014-12-23
- 打赏
- 举报
参考别的资料完善了，需要的同学可以看看，写的不是很好
import java.util.*;
import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.util.Duration;
public class text extends Application {
class testpane extends Pane {//testpane继承pane用来布局界面
private Timeline timeline;
private Button Start,Stop;
private Line line1,line2,line3;//秒针，分针，时针
private double x1,x2,x3;//当前时间秒、分、时指向的时间
public testpane(){//构造函数
HBox hbox=new HBox();//新建HBOX布局，放按钮的
hbox.setSpacing(20);
hbox.setLayoutX(310);
hbox.setLayoutY(520);
Start = new Button("Start");//建立start按钮
Start.setPrefSize(80, 40);
Stop = new Button("Stop");//建立stop按钮
Stop.setPrefSize(80, 40);
hbox.getChildren().addAll(Start,Stop);//将按钮加入HBOX
getChildren().add(hbox);
Start.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
System.out.println("Start button clicked");
timeline.play();//动画开始
}
});//start按钮功能
Stop.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent e) {
System.out.println("Stop button clicked");
timeline.stop();//动画停止
}
});//stop按钮功能
Circle circle = new Circle(400,300,200, Color.web("white", 0));//建立圆形，边长为200，白色,透明度为0
circle.setStroke(Color.web("black", 1));//给园边框
getChildren().add(circle);
for (int i = 0; i < 60; i++) {//短的表盘指针
Line line = new Line(400+200*Math.sin(Math.PI*i/30),(300-200*Math.cos(Math.PI*i/30)),400+190*Math.sin(Math.PI*i/30),(300-190*Math.cos(Math.PI*i/30)));
getChildren().add(line);
}
for (int i = 0,j = 0; i < 60; i=i+5,j++) {//长的表盘指针和 表盘数字
String[] n={"12","1","2","3","4","5","6","7","8","9","10","11"};
Line line = new Line(400+200*Math.sin(Math.PI*i/30),(300-200*Math.cos(Math.PI*i/30)),400+180*Math.sin(Math.PI*i/30),(300-180*Math.cos(Math.PI*i/30)));
getChildren().add(line);
Text text = new Text(395+170*Math.sin(Math.PI*i/30),(300-170*Math.cos(Math.PI*i/30)),n[j]);
getChildren().add(text);
}
line1 = new Line();
line2 = new Line();
line3 = new Line();
paint();//画出初始时钟指针
getChildren().addAll(line1,line2,line3);
timeline = new Timeline();//时间轴
timeline.setCycleCount(Timeline.INDEFINITE);
Duration duration = Duration.millis(1000);//设定时钟动画每1秒变一次，关键帧时间间隔
KeyFrame keyFrame = new KeyFrame(duration, new EventHandler<ActionEvent>() {
public void handle(ActionEvent event) {//动画变化的代码
paint();//画出指针
}
});
timeline.getKeyFrames().add(keyFrame); //时间轴获取关键帧
timeline.play();
}
public void paint(){//画指针的函数
Calendar c = Calendar.getInstance();//取当前时间
x1=c.get(Calendar.SECOND);
x2=c.get(Calendar.MINUTE);
x3=c.get(Calendar.HOUR)*5;
line1.setStartX(400);
line1.setStartY(300);
line1.setEndX(400+160*Math.sin(Math.PI*x1/30));
line1.setEndY(300-160*Math.cos(Math.PI*x1/30));//秒针
line1.setStroke(Color.RED);
line2.setStartX(400);
line2.setStartY(300);
line2.setEndX(400+120*Math.sin(Math.PI*x2/30));
line2.setEndY(300-120*Math.cos(Math.PI*x2/30));//分针
line2.setStroke(Color.BLUE);
line3.setStartX(400);
line3.setStartY(300);
line3.setEndX(400+80*Math.sin(Math.PI*x3/30));
line3.setEndY(300-80*Math.cos(Math.PI*x3/30));//时针
line3.setStroke(Color.GREEN);
}
}
public void start(Stage stage) {
testpane pane=new testpane();
Scene scene = new Scene(pane,800,600);
stage.setTitle("Myclock"); //设置stage标题
stage.setScene(scene); // 把scene放入stage中
stage.show();
stage.setResizable(false);//界面大小固定
}
public static void main(String[] args) {
System.out.println("launch application");
launch(args);
}
}
