javafx写了一个时钟代码，求大神进来看看

2014-12-16 08:26:56 396 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

JavaFX制作一个简单的时钟工具:Idea和JavaFX Scene Builder,与Eclipse+JavaFX没什么区别一、创建JavaFX项目1. 选择javafx项目要求:JDK8及其以上 2. javafx项目清单创建完成后,idea会自动生成一个样例。再样例上修改或者按照样例重新创建Main类、Controller类及fxml文件也可以这里我们重新创建这三个文件 3. 创建Main、Control 阅读详情

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);

}

}

...全文

Veristand simulink 集成 simulink 非正版如何处理 1、安装 veristand model Generation Support add-on。matlab 安装veristand model support 记录。下载以后如果非正版matlab 直接拖命令行执行。下载后直接命令行执行即可。阅读详情

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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);   
	}
}

javafx写了一个时钟代码，求大神进来看看

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