package work;

import java.awt.Canvas;

import java.awt.Color;

import java.awt.Font;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.Shape;

import java.awt.geom.Rectangle2D;

import java.sql.Date;

import javax.swing.*;

public class DrawString extends JFrame{

private Shape rect;

private Font font;

private Date date;

public DrawString() {

rect=new Rectangle2D.Double(10,10,200,100);

font=new Font("宋体",Font.BOLD,16);

date=new Date();

this.setSize(230,140);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

add(new CanvasPanel());

this.setTitle("绘图");

}

public static void main(String[] args) {

new DrawString().setVisible(true);

}

class CanvasPanel extends Canvas{

public void paint(Graphics g){

super.paint(g);

Graphics2D g2=(Graphics2D)g;

g2.setColor(Color.CYAN);

g2.fill(rect);

g2.setColor(Color.BLUE);

g2.setFont(font);

g2.drawString("现在时间是",9, 05);

g2.drawString(String.format("%tr",date), 50, 60);

}

}

}