mainframe.java

jbuilder开发的多用户通讯系统。jbuilder开发的多用户通讯系统

package addresssys;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.dx.sql.dataset.*;
import com.borland.dx.dataset.*;

/**
 * <p>Title: 多用户通讯系统</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2007</p>
 * <p>Company: </p>
 * @author 李宁
 * @version 1.0
 */

public class MainFrame extends JFrame {
  JPanel contentPane;
  JRadioButton jRadioButton1 = new JRadioButton();
  JRadioButton jRadioButton2 = new JRadioButton();
  JRadioButton jRadioButton3 = new JRadioButton();
  JTextField jT1 = new JTextField();
  JPasswordField jP1 = new JPasswordField();
  JLabel jL1 = new JLabel();
  JLabel jL2 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  ButtonGroup buttonGroup1 = new ButtonGroup();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  ParameterRow parameterRow1 = new ParameterRow();
  Column column1 = new Column();
  Column column2 = new Column();
  QueryDataSet queryDataSet2 = new QueryDataSet();

  //Construct the frame
  public MainFrame() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }

  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jRadioButton1.setFont(new java.awt.Font("Dialog", 0, 16));
    jRadioButton1.setSelected(true);
    jRadioButton1.setText("登录");
    jRadioButton1.setBounds(new Rectangle(17, 27, 94, 15));
    contentPane.setLayout(null);
    this.setSize(new Dimension(455, 390));
    this.setTitle("Frame Title");
    jRadioButton2.setFont(new java.awt.Font("Dialog", 0, 16));
    jRadioButton2.setText("修改密码 ");
    jRadioButton2.setBounds(new Rectangle(150, 24, 112, 18));
    jRadioButton3.setFont(new java.awt.Font("Dialog", 0, 16));
    jRadioButton3.setText("注册");
    jRadioButton3.setBounds(new Rectangle(289, 21, 137, 20));
    jT1.setFont(new java.awt.Font("Dialog", 0, 16));
    jT1.setText("");
    jT1.setBounds(new Rectangle(196, 80, 212, 37));
    jP1.setFont(new java.awt.Font("Dialog", 0, 16));
    jP1.setText("");
    jP1.setBounds(new Rectangle(196, 139, 212, 37));
    jL1.setFont(new java.awt.Font("Dialog", 0, 16));
    jL1.setText("用户名：");
    jL1.setBounds(new Rectangle(25, 72, 137, 41));
    jL2.setFont(new java.awt.Font("Dialog", 0, 16));
    jL2.setText("密码：");
    jL2.setBounds(new Rectangle(22, 138, 137, 41));
    jButton1.setBounds(new Rectangle(24, 221, 172, 66));
    jButton1.setFont(new java.awt.Font("Dialog", 0, 16));
    jButton1.setText("确定");
    jButton1.addActionListener(new MainFrame_jButton1_actionAdapter(this));
    jButton2.setBounds(new Rectangle(209, 221, 172, 66));
    jButton2.setFont(new java.awt.Font("Dialog", 0, 16));
    jButton2.setText("退出");
    jButton2.addActionListener(new MainFrame_jButton2_actionAdapter(this));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=addresslist", "sa", "sa", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from address_users", null, true, Load.ALL));
    column1.setColumnName("UserName");
    column1.setDataType(com.borland.dx.dataset.Variant.STRING);
    column1.setPreferredOrdinal(0);
    column1.setServerColumnName("NewColumn1");
    column1.setSqlType(0);
    column2.setColumnName("Password");
    column2.setDataType(com.borland.dx.dataset.Variant.STRING);
    column2.setPreferredOrdinal(1);
    column2.setServerColumnName("NewColumn2");
    column2.setSqlType(0);
    parameterRow1.setColumns(new Column[] {column1, column2});
    queryDataSet2.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from address_users where UserName=:UserName and Password=:Password", parameterRow1, true, Load.ALL));
    contentPane.add(jRadioButton1, null);
    contentPane.add(jRadioButton2, null);
    contentPane.add(jRadioButton3, null);
    contentPane.add(jT1, null);
    contentPane.add(jP1, null);
    contentPane.add(jL1, null);
    contentPane.add(jL2, null);
    contentPane.add(jButton2, null);
    contentPane.add(jButton1, null);
    buttonGroup1.add(jRadioButton1);
    buttonGroup1.add(jRadioButton2);
    buttonGroup1.add(jRadioButton3);
  }

  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
     //得到用户名和密码
     String username = jT1.getText().trim();
     String password = new String(this.jP1.getPassword());
     //输入框有效性判断
     if(username.equals("")||password.equals("")){
         JOptionPane.showMessageDialog(this,"请输入用户名和密码！");
         return;
     }
     //打开并运行查询，得到结果集
     this.queryDataSet1.open();
     if(this.jRadioButton3.isSelected()){
        do{//排除同名用户注册
            if(this.queryDataSet1.getString("username").equals(username)){
              JOptionPane.showMessageDialog(this,"该用户已经存在，请重新输入！");
              jT1.setText("");
              jP1.setText("");
              return;
            }
        }while(this.queryDataSet1.next());
        /*用来完成用户的注册*/
        //移到记录集的最后
        this.queryDataSet1.last();
        //在记录集的最后插入一行记录
        this.queryDataSet1.insertRow(false);
        //设置插入记录的username字段
        this.queryDataSet1.setString("username",username);
        //设置插入记录的怕ssword字段
        this.queryDataSet1.setString("password",password);
        //将对记录集的修改保存到数据库中
        database1.saveChanges(queryDataSet1);
         JOptionPane.showMessageDialog(this,"成功注册用户！");
     }
     else{
       //设置参数对象字段值
       this.parameterRow1.setString("username",username);
       this.parameterRow1.setString("password",password);
       this.queryDataSet2.open();
       if(this.jRadioButton1.isSelected()){
           AddrMaintainDialog addr = new  AddrMaintainDialog(this,"通讯录维护",false,database1,this.queryDataSet2);
           addr.setLocation(280,280);
           addr.setSize(350,320);
           addr.show();
       }
       else if(this.jRadioButton2.isSelected()){
          PasswordModifyDialog passwordmodify = new PasswordModifyDialog(this,"用户密码修改",false,database1,this.queryDataSet2) ;
          passwordmodify.setLocation(280,280);
          passwordmodify.setSize(350,320);
          passwordmodify.show();
       }
     }
}


  void jButton2_actionPerformed(ActionEvent e) {
System.exit(0);
  }
}

class MainFrame_jButton1_actionAdapter implements java.awt.event.ActionListener {
  MainFrame adaptee;

  MainFrame_jButton1_actionAdapter(MainFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class MainFrame_jButton2_actionAdapter implements java.awt.event.ActionListener {
  MainFrame adaptee;

  MainFrame_jButton2_actionAdapter(MainFrame adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}