使用JavaFX设置一个简单日历

1.先看效果：

2.代码：

1）ClockEdge.java类

这个类（Pane）主要是用来设置时钟边缘（为了美观对直了半天，其实想想也没必要~。~）

package com.javaBasic.javaFX;  
  
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;  
  
/** 
 * @version 1.00 2016-10-15 
 * @author Administrator 
 * 功能：显示时钟边缘 
 */  
public class ClockEdge extends Pane{  
    private double w , h;  
    public ClockEdge(){  
        this(200, 200);  
        paint();  
    }  
    public ClockEdge(double w, double h){  
        this.w = w;  
        this.h = h;  
        paint();  
    }  
    public double getW() {  
        return w;  
    }  
    public void setW(double w) {  
        this.w = w;  
        paint();  
    }  
    public double getH() {  
        return h;  
    }  
    public void setH(double h) {  
        this.h = h;  
        paint();  
    }  
    public void paint(){  
        double clockRadius = Math.min(w, h) * 0.8 * 0.5;  
        double centerX = w / 2;  
        double centerY = h / 2;  
        Circle circle = new Circle(centerX, centerY, clockRadius);  
        circle.setFill(Color.WHITE);  
        circle.setStroke(Color.BLACK);  
        //假设一个字符宽7.6个像素，高8.8个像素  
        Text text1 = new Text(centerX + clockRadius * Math.sin(1 * Math.PI / 6) - 7.6 + 1.7 * (1 + Math.cos(2 * Math.PI / 6)) - 2.2 * Math.sin(2 * Math.PI / 6),   
                              centerY - clockRadius * Math.cos(1 * Math.PI / 6) + 8.8 + 1.7 * Math.sin(2 * Math.PI / 6) - 2.2 * (1 -  Math.cos(2 * Math.PI / 6)), "1");  
        Text text2 = new Text(centerX + clockRadius * Math.sin(2 * Math.PI / 6) - 7.6 + 1.7 * (1 + Math.cos(4 * Math.PI / 6)) - 2.2 * Math.sin(4 * Math.PI / 6),   
                              centerY - clockRadius * Math.cos(2 * Math.PI / 6) + 8.8 + 1.7 * Math.sin(4 * Math.PI / 6) - 2.2 * (1 -  Math.cos(4 * Math.PI / 6)), "2");  
        Text text3 = new Text(centerX + clockRadius * Math.sin(3 * Math.PI / 6) - 7.6 + 1.7 * (1 + Math.cos(6 * Math.PI / 6)) - 2.2 * Math.sin(6 * Math.PI / 6),    
                              centerY - clockRadius * Math.cos(3 * Math.PI / 6) + 8.8 + 1.7 * Math.sin(6 * Math.PI / 6) - 2.2 * (1 -  Math.cos(6 * Math.PI / 6)), "3");  
        Text text4 = new Text(centerX + clockRadius * Math.sin(4 * Math.PI / 6) - 7.6 + 1.7 * (1 + Math.cos(8 * Math.PI / 6)) + 2.2 * Math.sin(8 * Math.PI / 6),   
                              centerY - clockRadius * Math.cos(4 * Math.PI / 6) + 1.7 * Math.sin(8 * Math.PI / 6) + 2.2 * (1 -  Math.cos(8 * Math.PI / 6)), "4");  
        Text text5 = new Text(centerX + clockRadius * Math.sin(5 * Math.PI / 6) - 7.6 + 1.7 * (1 + Math.cos(10 * Math.PI / 6)) + 2.2 * Math.sin(10 * Math.PI / 6),   
                              centerY - clockRadius * Math.cos(5 * Math.PI / 6) + 1.7 * Math.sin(10 * Math.PI / 6) + 2.2 * (1 -  Math.cos(10 * Math.PI / 6)), "5");  
        Text text6 = new Text(centerX + clockRadius * Math.sin(6 * Math.PI / 6) - 7.6 + 1.7 * (1 + Math.cos(12 * Math.PI / 6)) + 2.2 * Math.sin(12 * Math.PI / 6),  
                              centerY - clockRadius * Math.cos(6 * Math.PI / 6) + 1.7 * Math.sin(12 * Math.PI / 6) + 2.2 * (1 -  Math.cos(12 * Math.PI / 6)), "6");  
        Text text7 = new Text(centerX + clockRadius * Math.sin(7 * Math.PI / 6) - 1.7 * (1 + Math.cos(14 * Math.PI / 6)) + 2.2 * Math.sin(14 * Math.PI / 6),   
                              centerY - clockRadius * Math.cos(7 * Math.PI / 6) - 1.7 * Math.sin(14 * Math.PI / 6) + 2.2 * (1 -  Math.cos(14 * Math.PI / 6)), "7");  
        Text text8 = new Text(centerX + clockRadius * Math.sin(8 * Math.PI / 6) - 1.7 * (1 + Math.cos(16 * Math.PI / 6)) + 2.2 * Math.sin(16 * Math.PI / 6),    
                              centerY - clockRadius * Math.cos(8 * Math.PI / 6) - 1.7 * Math.sin(16 * Math.PI / 6) + 2.2 * (1 -  Math.cos(16 * Math.PI / 6)), "8");  
        Text text9 = new Text(centerX + clockRadius * Math.sin(9 * Math.PI / 6) - 1.7 * (1 + Math.cos(18 * Math.PI / 6)) + 2.2 * Math.sin(18 * Math.PI / 6),  
                              centerY - clockRadius * Math.cos(9 * Math.PI / 6) - 1.7 * Math.sin(18 * Math.PI / 6) + 2.2 * (1 -  Math.cos(18 * Math.PI / 6)), "9");  
        Text text10 = new Text(centerX + clockRadius * Math.sin(10 * Math.PI / 6) - 3.8 * (1 + Math.cos(20 * Math.PI / 6)) - 2.2 * Math.sin(20 * Math.PI / 6),   
                               centerY - clockRadius * Math.cos(10 * Math.PI / 6) + 8.8 - 3.8 * Math.sin(20 * Math.PI / 6) - 2.2 * (1 - Math.cos(20 * Math.PI / 6)), "10");  
        Text text11 = new Text(centerX + clockRadius * Math.sin(11 * Math.PI / 6) - 3.8 * (1 + Math.cos(22 * Math.PI / 6)) - 2.2 * Math.sin(22 * Math.PI / 6),    
                               centerY - clockRadius * Math.cos(11 * Math.PI / 6) + 8.8 - 3.8 * Math.sin(22 * Math.PI / 6) - 2.2 * (1 - Math.cos(22 * Math.PI / 6)), "11");  
        Text text12 = new Text(centerX + clockRadius * Math.sin(12 * Math.PI / 6) - 3.8 * (1 + Math.cos(24 * Math.PI / 6)) - 2.2 * Math.sin(24 * Math.PI / 6),   
                               centerY - clockRadius * Math.cos(12 * Math.PI / 6) + 8.8 - 3.8 * Math.sin(24 * Math.PI / 6) - 2.2 * (1 - Math.cos(24 * Math.PI / 6)), "12");  
        getChildren().addAll(circle, text1, text2, text3, text4, text5, text6, text7, text8, text9, text10, text11, text12);  
        for(int i =1; i<= 60; i++){  
            double pointX1 = centerX + clockRadius * 0.95 * Math.sin(i * (2 * Math.PI) / 60);   
            double pointY1 = centerY - clockRadius * 0.95 * Math.cos(i * (2 * Math.PI) / 60);  
            double pointX2 = centerX + clockRadius * 1.0 * Math.sin(i * (2 * Math.PI) / 60);   
            double pointY2 = centerY - clockRadius * 1.0 * Math.cos(i * (2 * Math.PI) / 60);  
            if(i % 5 == 0) continue;  
            else{  
                Line point = new Line(pointX1, pointY1, pointX2, pointY2);  
                getChildren().add(point);  
            }  
        }  
    }  
      
}  

2)ClockPointer.java类

这个类（Pane）主要用来显示时钟的三个指针（时、分、秒）；

package com.javaBasic.javaFX;  
  
import java.util.Calendar;  
import java.util.GregorianCalendar;  
import javafx.scene.layout.Pane;  
import javafx.scene.paint.Color;  
import javafx.scene.shape.Line;  
/** 
 * @version 1.00 2016-10-15 
 * @author Administrator 
 * 功能：显示时钟指针 
 */  
public class ClockPointer extends Pane{  
    private int hour;  
    private int minute;  
    private int second;  
    private double w = 200, h = 200;  
    public ClockPointer(){  
        setCurrentTime();  
    }  
    public ClockPointer(int hour, int minute, int second){  
        this.hour = hour;  
        this.minute = minute;  
        this.second = second;  
        paint();      
    }  
    public int getHour(){  
        return hour;  
    }  
    public void setHour(int hour){  
        this.hour = hour;  
        paint();  
    }  
    public int getMinute(){  
        return minute;  
    }  
    public void setMinute(int minute){  
        this.minute = minute;  
        paint();  
    }  
    public int getSecond(){  
        return second;  
    }  
    public void setSecond(int second){  
        this.second = second;  
        paint();  
    }  
    public double getW() {  
        return w;  
    }  
    public void setW(double w) {  
        this.w = w;  
        paint();  
    }  
    public double getH() {  
        return h;  
    }  
    public void setH(double h) {  
        this.h = h;  
        paint();  
    }  
    public String setCurrentTime(){ 
    	String str1, str2, str3;
        Calendar calendar = new GregorianCalendar();  
        this.hour = calendar.get(Calendar.HOUR_OF_DAY);  
        this.minute = calendar.get(Calendar.MINUTE);  
        this.second = calendar.get(Calendar.SECOND);
        str1 = String.valueOf(hour);
        str2 = String.valueOf(minute);
        str3 = String.valueOf(second);
		if (hour < 10) {
			str1 = "0" + hour;
		}
		if (minute < 10) {
			str2 = "0" + minute;
		}
		if (second < 10) {
			str3 = "0" + second;
		}
        paint();
        return str1 + " : " + str2 + " : " + str3; 
    }  
    protected void paint(){  
        getChildren().clear();  
        double clockRadius = Math.min(w, h) * 0.8 * 0.5;  
        double centerX = w / 2;  
        double centerY = h / 2;   
        double sLength = clockRadius * 0.8;  
        double secondX = centerX + sLength * Math.sin(second * (2 * Math.PI) / 60);   
        double secondY = centerY - sLength * Math.cos(second * (2 * Math.PI) / 60);   
        Line sLine = new Line(centerX, centerY, secondX, secondY);  
        sLine.setStroke(Color.RED);  
        double mLength = clockRadius * 0.65;  
        double minuteX = centerX + mLength * Math.sin(minute * (2 * Math.PI) / 60);   
        double minuteY = centerY - mLength * Math.cos(minute * (2 * Math.PI) / 60);   
        Line mLine = new Line(centerX, centerY, minuteX, minuteY);  
        mLine.setStroke(Color.BLUE);  
        double hLength = clockRadius * 0.5;  
        double hourX = centerX + hLength * Math.sin(hour * (2 * Math.PI) / 12);   
        double hourY = centerY - hLength * Math.cos(hour * (2 * Math.PI) / 12);   
        Line hLine = new Line(centerX, centerY, hourX, hourY);  
        mLine.setStroke(Color.GREEN);  
        getChildren().addAll(sLine, mLine, hLine);    
    }  
}  

3)CalendarPanel.java类

这个类（Pane）用来显示日历（这里用到了一个字体Cooper Black一般系统应该都有，没有就得添加）

package com.javaBasic.javaFX;  
  
import javafx.scene.layout.Pane;  
import javafx.scene.layout.ColumnConstraints;  
import javafx.scene.layout.GridPane;  
import javafx.scene.control.Label;  
import javafx.scene.paint.Color;  
import javafx.geometry.HPos;  
import javafx.geometry.Insets;  
import javafx.geometry.Pos;  
import javafx.scene.text.Font;  
import javafx.scene.text.FontWeight;  
import javafx.scene.text.Text;  
import java.util.Calendar;  
/** 
 * @version 1.00 2016-10-17 
 * @author Administrator 
 * 功能：显示日历 
 */  
  
public class CalendarPanel extends Pane{  
    private int year;  
    private int month;  
    private int day;  
    private int firstDayOfWeek;  
    private int totalDayOfMonth;  
      
    public CalendarPanel(){  
          
        Calendar calendar = Calendar.getInstance();  
        year = calendar.get(Calendar.YEAR);  
        month = calendar.get(Calendar.MONTH) + 1;  
        day = calendar.get(Calendar.DAY_OF_MONTH);  
        totalDayOfMonth = calendar.getActualMaximum(Calendar.DATE);  
        calendar.set(Calendar.DAY_OF_MONTH, 1);  
        firstDayOfWeek = calendar.get(Calendar.DAY_OF_WEEK) - 1;  
        paint();  
    }  
    public void paint(){  
        GridPane cp = new GridPane();  
        String[] week = new String[]{"SUN", "MON", "TUE", "WED", "THU", "FRI", "SAT"};  
        cp.setPadding(new Insets(30, 30, 10, 10));  
        Text text1 = new Text(year + "年" + month + "月");  
        text1.setStroke(Color.GREEN);  
        cp.setAlignment(Pos.CENTER);  
        cp.add(text1, 0, 0);  
        GridPane.setColumnSpan(text1, 7);  
        GridPane.setHalignment(text1, HPos.CENTER);  
        for(int i = 0; i < 7; i++){  
            Label label = new Label(week[i]);  
            if(i == 0 || i == 6) label.setTextFill(Color.RED);  
            cp.add(label, i, 1);  
            cp.getColumnConstraints().add(new ColumnConstraints(30));  
            GridPane.setHalignment(label, HPos.CENTER);  
        }  
        for(int j = 0; j < totalDayOfMonth; j++){  
            Label label = new Label(j + 1 +"");  
            if (j + 1 == day) label.setFont(Font.font("Cooper Black", FontWeight.BOLD, 20));  
            int k = firstDayOfWeek + j;  
            if((k % 7 == 0) || (k % 7 == 6)) label.setTextFill(Color.RED);  
            cp.add(label, k % 7, 2 + k / 7);  
            GridPane.setHalignment(label, HPos.RIGHT);    
        }  
        getChildren().add(cp);    
    }  
  
}  

4)主面板ClockMainPanel.java

这个类（Pane）是用于将上面三个面板合成主面板

package com.javaBasic.javaFX;  
  
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.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.util.Duration;  
/** 
 * @version 1.00 2016-10-17 
 * @author Administrator 
 * 功能：各个面板Pane合成一个时钟面板ClockMainPanel 
 */  
public class ClockMainPanel extends Application {  
    String NowTime;  
    public static void main(String[] args) {  
        // TODO Auto-generated method stub  
        Application.launch(args);  
    }  
    public void start(Stage primaryStage){  
        ClockEdge ce = new ClockEdge();  
        ClockPointer cp = new ClockPointer();  
        StackPane sp = new StackPane(ce, cp);  
        StackPane nt = new StackPane();  
        CalendarPanel caPa = new CalendarPanel();  
        BorderPane bp = new BorderPane();  
        bp.setLeft(sp);  
        bp.setRight(caPa);  
        bp.setBottom(nt);  
        Scene scene = new Scene(bp, 420, 200);  
        EventHandler eventHandler = e ->{  
            nt.getChildren().clear();  
            NowTime = (String) cp.setCurrentTime(); 
            Text tt= new Text(NowTime);
            tt.setFont(Font.font("Times New Roman", 20));
            nt.getChildren().add(tt);  
        };  
        Timeline animation = new Timeline(  
            new KeyFrame(Duration.millis(1000), eventHandler));  
        animation.setCycleCount(Timeline.INDEFINITE);  
        animation.play();  
        primaryStage.setTitle("Perpetual calendar");  
        primaryStage.setScene(scene);  
        primaryStage.show();  
    }  
}