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[交流]
【求助】Java畫連直線 已有3人參與
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x=[1.2,1.3,4.7], y=[2.3,5.1,5.5], 形成的數(shù)據(jù)點(diǎn)為(1.2,2.3)(1.3,5.1)(4.7,5.5) 如何用Java將上述三個(gè)點(diǎn)連起來(lái) |


銀蟲 (小有名氣)

銀蟲 (小有名氣)
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給你個(gè)完整的程序吧 import java.awt.*; import java.awt.geom.*; import javax.swing.*; class MyFrame2 extends JPanel { public void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D)g; Line2D.Double line1 = new Line2D.Double(10,20,100,200); g2.draw(line1); } public static void main(String [] args) { JFrame f = new JFrame(); f.setSize(600,400); f.setLocation(200,100); MyFrame2 mf = new MyFrame2(); f.add(mf); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setVisible(true); } } [ Last edited by xizi9930 on 2010-10-20 at 11:52 ] |
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