hufdialog.java

本软件是使用java 开发的

package datastructure;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.*;

//类dataDialog用于建立演示数据
class HufDialog
    extends JDialog
    implements ActionListener {
  private JButton jButton1 = new JButton();
  private JButton jButton2 = new JButton();
  private JTextField jTextField1 = new JTextField();
  private JLabel jLabel1 = new JLabel();
  private String save[];
  //用于保存演示数据
  static int a[] = {
      6, 9, 21, 8, 27, 11, 16, 36};
  public HufDialog(JFrame frame, String title, boolean mode) {
    super(frame, title, mode);
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
    save = new String[5];
    save[1] = "4, 10, 21, 9, 27, 11, 16, 45";
    save[2] = "3, 9, 21,8, 27, 10, 15, 32";
    save[3] = "4, 10, 22, 9, 24, 11, 16, 30";
  }

  private void jbInit() throws Exception {
    setSize(new Dimension(363, 262));
    setLocation(100, 150);
    setVisible(false);
    jButton1.setBounds(new Rectangle(37, 156, 100, 25));
    jButton1.setToolTipText("随机生成演示数据");
    jButton1.setVerifyInputWhenFocusTarget(true);
    jButton1.setText("随机生成");
    jButton1.addActionListener(this);
    this.getContentPane().setLayout(null);
    this.getContentPane().setBackground(SystemColor.activeCaptionBorder);
    jButton2.setBounds(new Rectangle(203, 157, 101, 25));
    jButton2.setText("确定");
    jButton2.addActionListener(this);
    jTextField1.setToolTipText("请输入合法数据");
    jTextField1.setText("");
    jTextField1.setBounds(new Rectangle(37, 81, 275, 29));
    jTextField1.addActionListener(this);
    jLabel1.setToolTipText("");
    jLabel1.setText("生成各节点的权值,权值大小范围为1到49之间的整形数据");
    jLabel1.setBounds(new Rectangle(13, 23, 342, 33));
    this.getContentPane().add(jLabel1, null);
    this.getContentPane().add(jTextField1, null);
    this.getContentPane().add(jButton1, null);
    this.getContentPane().add(jButton2, null);
  }

  public void actionPerformed(ActionEvent e) {
    if (e.getSource() == jButton1) {
      jTextField1.setEditable(true);
      int number = (int) (Math.random() * 3 + 1);
      String s = save[number];
      jTextField1.setEditable(false);
      jTextField1.setText(s);
    }
    else if (e.getSource() == jButton2) {
      //用于表示数组a的下标
      int tag = 0;
      String s = jTextField1.getText().trim();
      StringTokenizer str = new StringTokenizer(s, " ,");
      int number = str.countTokens();
      a = new int[number];
      while (str.hasMoreTokens()) {
        String s1 = str.nextToken();
        a[tag] = Integer.parseInt(s1);
        tag++;
      }
      setVisible(false);
    }
  }
}