applet1.java

在JAVA的APPLE中直方图的如何处理.

package zhifang;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import javax.swing.*;
//Applet1
import java.awt.*;
import java.applet.*;

public class Applet1
    extends Applet {
  private int data[], i;
  static Color color[] = {
      Color.orange, Color.blue, Color.cyan, Color.DARK_GRAY, Color.GRAY,
      Color.green, Color.magenta, Color.MAGENTA, Color.pink, Color.yellow};
  public Applet1() {
    try {
      jbInit();
    }
    catch (Exception ex) {
      ex.printStackTrace();
    }
  }

  public void init() {
    data = new int[10];
    data[0] = 100;
    data[1] = 150;
    data[2] = 60;
    data[3] = 30;
    data[4] = 20;
    data[5] = 60;
    data[6] = 200;
    data[7] = 600;
    data[8] = 210;
    data[9] = 10;

  }

  public void paint(Graphics g) {
    Font f1 = new Font("Verdana", Font.BOLD, 25);
    g.setFont(f1);
    g.drawString("the product of last year", 150, 25);
    Font f2 = new Font("Verdana", Font.BOLD, 10);
    g.setFont(f2);

    for (i = 0; i <= 7; i++) {
      g.drawLine(30, 50 + i * 25, 630, 50 + i * 25);
      g.drawString(700 - i * 100 + "", 5, 52 + i * 25);
    }
    g.drawLine(30, 30, 30, 224);

    for (i = 0; i < 12; i++) {
      g.setColor(Color.BLACK);
      g.drawString(i + 1 + "M", 50 + i * 50, 240);

    }

    for (i = 0; i <= 11; i++) {
      g.setColor(color[i]);
      g.fillRect(50 + i * 50, 225 - data[i] / 4, 28, data[i] / 4);
      g.drawString(data[i] + "", 50 + i * 50 + 2, 220 - data[i] / 4);

    }

  }

  private void jbInit() throws Exception {
  }

}