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³ÌÐòÈçÏ£ºimport java.io.BufferedReader; import java.io.FileReader; import java.util.ArrayList; import java.util.List; import java.awt.*; import java.awt.geom.*; import javax.swing.*; public class Test { static List static List static List public static void main(String[] args) throws Exception { BufferedReader br = new BufferedReader(new FileReader("e:\\read.txt" );String ss = ""; int which = 0; while ((ss = br.readLine()) != null) { for (String s : ss.split("\\\\" ){ if (which % 3 == 0) x.add(Float.parseFloat(s)); if (which % 3 == 1) y.add(Float.parseFloat(s)); if (which % 3 == 2) z.add(Float.parseFloat(s)); public void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D)g; if(which=1){Line2D.Double line1 = new Line2D.Double(x[0],y[0],x[0],y[0]); g2.draw(line1);} else {Line2D.Double line1 = new Line2D.Double(x[which-1],y[which-1],x[which],y[which]); g2.draw(line1);} } which++; } } System.out.println(x); System.out.println(y); System.out.println(z); JFrame f = new JFrame(); f.setSize(600,400); f.setLocation(200,100); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setVisible(true); } } read.txtÎļþÈçÏ£º2.3\3.0\6.3\5.4\6.3\4.2\ ´ó¼Ò°ïæÐÞ¸ÄÒ»Ï塃 |
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liangbao(½ð±Ò+8): 2010-11-12 08:45:42
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½¨ÒéÓÃnetbeans import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.geom.Line2D; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.List; import javax.swing.JFrame; import javax.swing.JPanel; public class Test extends JPanel { static List static List static List public void read() throws FileNotFoundException, IOException { BufferedReader br = new BufferedReader(new FileReader("e:\\read.txt" )); String ss = ""; int which = 0; while ((ss = br.readLine()) != null) { for (String s : ss.split("\\\\" )) { if (which % 3 == 0) { x.add(Float.parseFloat(s)); } if (which % 3 == 1) { y.add(Float.parseFloat(s)); } if (which % 3 == 2) { z.add(Float.parseFloat(s)); } which++; } } } @Override public void paintComponent(Graphics g) { Graphics2D g2 = (Graphics2D) g; if (x.size() > 0) { for (int i = 0; i < x.size() - 1; i++) { g2.draw(new Line2D.Double(x.get(i), y.get(i), x.get(i + 1), y.get(i + 1))); } } } public static void main(String[] args) throws Exception { Test tt = new Test(); tt.read(); JFrame f = new JFrame(); f.add(tt); f.setSize(600, 400); f.setLocation(200, 100); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setVisible(true); } } |
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