利用重写paint()方法绘画出一个坐标轴:package huaxian;import java.awt.Color;import java.awt.FlowLayout;import java.awt.Graphics;import javax.swing.JFrame;im ...
利用重写paint()方法绘画出一个坐标轴:
package huaxian;import java.awt.Color;import java.awt.FlowLayout;import java.awt.Graphics;import javax.swing.JFrame;import javax.swing.JPanel;public class huaxian2 extends JFrame { private JPanel jp; private JFrame jf; public static void main(String[] args) { // TODO Auto-generated method stub huaxian2 h2 = new huaxian2(); } public huaxian2(){ this.setSize(500, 500); this.setVisible(true); this.setDefaultCloseOperation(jf.EXIT_ON_CLOSE); jp = new JPanel(); this.add(jp); } @Override public void paint(Graphics g){ super.paint(g); g.drawLine(50, 350, 498, 350); g.drawLine(50, 50, 50, 350); }}
原标题:java工具类之Graphics
关键词:JAVA
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