电信拨号器

公司用的是电信的网络，前段时间公司的电脑总是拨不上去号，自己写了一个基于Java的电信拨号程序，感兴趣的朋友可以下载下看看。

　　下面是拨号程序的原代码，大家可以看看，有什么不合理的地方请指出来。

package com.jack.telecom.dial;

import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class Dial extends JFrame{
 private JLabel lblConName;
 private JTextField txtConName;
 private JLabel lblConNum;
 private JTextField txtConNum;
 private JLabel lblStartNum;
 private JComboBox cmbStartNum;
 private JLabel lblMaxNum;
 private JComboBox cmbEndNum;
 private JLabel lblPwd;
 private JPasswordField txtPwd;
 private JLabel label;
 private JLabel lblEndMessage;
 private JLabel lblStartMessage;
 private JLabel lblConNameMessage;
 private JTextArea txaConMessage;
 private JLabel lblMessage;
 private JTextArea txaMessage;
 private JButton btnConn;
 private StringBuffer showMessage;
 private String conNum;
 private String resultStr = "";

 public Dial() {
  initComponents();
  this.setTitle("电信拨号程序");
  this.getContentPane().setLayout(null);
  this.setSize(400, 500);
  this.setVisible(true);
  // this.setBounds(100, 100, 400, 472);

  this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 }

 private void initComponents() {
  lblConName = new JLabel();
  lblConName.setText("网络连接名称：");
  lblConName.setBounds(10, 26, 91, 18);
  this.getContentPane().add(lblConName);

  txtConName = new JTextField();
  txtConName.setText("jack");
  txtConName.setBounds(107, 24, 87, 22);
  this.getContentPane().add(txtConName);

  lblConNum = new JLabel();
  lblConNum.setText("连接帐号：");
  lblConNum.setBounds(10, 54, 66, 18);
  this.getContentPane().add(lblConNum);

  txtConNum = new JTextField();
  txtConNum.setText("n037113051");
  txtConNum.setBounds(107, 50, 87, 22);
  this.getContentPane().add(txtConNum);

  lblStartNum = new JLabel();
  lblStartNum.setText("起始数：");
  lblStartNum.setBounds(10, 103, 66, 18);
  this.getContentPane().add(lblStartNum);

  cmbStartNum = new JComboBox();
  cmbStartNum.setBounds(107, 99, 87, 27);
  this.getContentPane().add(cmbStartNum);

  lblMaxNum = new JLabel();
  lblMaxNum.setText("最大拨号数：");
  lblMaxNum.setBounds(10, 138, 91, 18);
  this.getContentPane().add(lblMaxNum);

  cmbEndNum = new JComboBox();
  cmbEndNum.setBounds(107, 132, 87, 27);
  for (int i = 1; i <= 99; i++) {
   cmbStartNum.addItem(i);
   cmbEndNum.addItem(i);
  }
  this.getContentPane().add(cmbEndNum);

  lblPwd = new JLabel();
  lblPwd.setText("密码：");
  lblPwd.setBounds(10, 179, 91, 18);
  this.getContentPane().add(lblPwd);

  txtPwd = new JPasswordField();
  txtPwd.setText("123456");
  txtPwd.setActionCommand("*");
  txtPwd.setBounds(107, 177, 94, 22);
  this.getContentPane().add(txtPwd);

  label = new JLabel();
  label.setText("默认密码为123456");
  label.setBounds(211, 179, 118, 18);
  this.getContentPane().add(label);

  lblEndMessage = new JLabel();
  lblEndMessage.setText("选择您要进行拨号的最大限制");
  lblEndMessage.setBounds(200, 138, 178, 18);
  this.getContentPane().add(lblEndMessage);

  lblStartMessage = new JLabel();
  lblStartMessage.setText("选择您要进行拨号的起始数");
  lblStartMessage.setBounds(200, 103, 178, 18);
  this.getContentPane().add(lblStartMessage);

  lblConNameMessage = new JLabel();
  lblConNameMessage.setText("此名称为您拨号连接的名称");
  lblConNameMessage.setBounds(200, 26, 178, 18);
  this.getContentPane().add(lblConNameMessage);

  txaConMessage = new JTextArea();
  String msg = "请将您拨号帐号的前10位写上\n其中最后２位可以修改";
  txaConMessage.setText(msg);
  txaConMessage.setBounds(200, 54, 158, 40);
  this.getContentPane().add(txaConMessage);

  lblMessage = new JLabel();
  lblMessage.setText("连接显示信息：");
  lblMessage.setBounds(10, 248, 118, 18);
  this.getContentPane().add(lblMessage);

  txaMessage = new JTextArea();
  txaMessage.setEditable(false);
  JScrollPane scroll = new JScrollPane(txaMessage,
    JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
    JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
  scroll.setBounds(10, 272, 368, 155);
  this.getContentPane().add(scroll);

  btnConn = new JButton();
  btnConn.addActionListener(new ActionListener() {
   public void actionPerformed(final ActionEvent e) {
    Thread t = new Thread() {
     public void run() {
      Process p = null;
      String conn = txtConNum.getText();
      int startNum = ((Integer) cmbStartNum.getSelectedItem()).intValue();
      int endNum = ((Integer) cmbEndNum.getSelectedItem()).intValue();
      String user = txtConName.getText();
      String password = txtPwd.getText();
      showMessage = new StringBuffer();
      for (int i = startNum; i < endNum; i++) {
       if (i < 10) {
        conNum = conn + "0" + i;
       } else {
        conNum = conn + i;
       }
       try {
        p = Runtime.getRuntime().exec(
          "rasdial.exe " + user + " " + conNum
            + " " + password);
        int result = p.waitFor();
        if (result == 0) {
         resultStr = "连接成功";
         // break;
        } else {
         resultStr = result + "";
        }
        showMessage.append("当前连接帐号为：" + conNum + "\n"
          + "连接结果：" + resultStr + "\n");
        txaMessage.setText(showMessage.toString());
        // new Thread().start();
        // showMsg(conNum, resultStr);
        // System.out.println("得到的数据：" + conNum + "\n" +
        // "连接结果："
        // + resultStr + "\n");
       } catch (Exception e1) {
        e1.printStackTrace();
       }
      }
     }
    };
    t.start();
   }
  });
  btnConn.setText("开始拨号");
  btnConn.setBounds(107, 214, 106, 28);
  this.getContentPane().add(btnConn);
 }

 public void radial(String conNum,int startNum,int endNum,String user,String password){
  Process p = null;
  String conn = txtConNum.getText();
  showMessage = new StringBuffer();
  for (int i = startNum; i < endNum; i++) {
   if (i < 10) {
    conNum = conn + "0" + i;
   } else {
    conNum = conn + i;
   }
   try {
    p = Runtime.getRuntime().exec(
      "rasdial.exe " + user + " " + conNum
        + " " + password);
    int result = p.waitFor();
    if (result == 0) {
     resultStr = "连接成功";
     // break;
    } else {
     resultStr = result + "";
    }
    showMessage.append("当前连接帐号为：" + conNum + "\n"
      + "连接结果：" + resultStr + "\n");
    txaMessage.setText(showMessage.toString());
   } catch (Exception e1) {
    e1.printStackTrace();
   }
  }
 }
 
 public static void main(String[] args) {
  Dial d = new Dial();
 }
}