usermanagedialog.java

是适合于使用的管理系统 可以在现实中使用

package mysiloer;

import java.awt.*;
import javax.swing.*;
import java.sql.Connection;
import javax.swing.border.Border;
import java.util.Vector;
import java.awt.event.ActionEvent;
import java.sql.Statement;
import java.sql.SQLException;
import java.awt.event.ActionListener;

/**
 * <p>Title: MySiloer</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: yskey</p>
 * @author 杨涛
 * @version 1.0
 */

public class UserManageDialog extends JDialog {
  private JPanel panel1 = new JPanel();
  private BorderLayout borderLayout1 = new BorderLayout();
  private JPanel jPanel1 = new JPanel();
  private JPanel jPanel2 = new JPanel();
  private SiloPanel parentPanel;
  private Connection con;

  private Container cp;
  private JPanel controlPanel = new JPanel();
  private ButtonGroup group = new ButtonGroup();
  private JRadioButton insertRadio = new JRadioButton();
  private GridLayout gridLayout1 = new GridLayout();
  private JRadioButton deleteRadio = new JRadioButton();
  private JPanel contentPanel = new JPanel();
  private JPanel buttonPanel = new JPanel();
  private JButton okButton = new JButton();
  private JButton cancelButton = new JButton();
  private JLabel jLabel1 = new JLabel();
  private FlowLayout flowLayout1 = new FlowLayout();
  private Border border1;
  private Vector namesVector;
  private GridLayout gridLayout2 = new GridLayout();
  private Border border2;
  private static int INSERT = 1,  DELETE = 0;
  private int action = 2;
  UserPanel frame = null;
//  private JTextField[] params =  {new JTextField("", 10),
  JTextField param1 = new JTextField("", 10);
  private JPasswordField param2 = new JPasswordField();
  private JPasswordField param3 = new JPasswordField();
  JTextField param4 = new JTextField("", 10);
//    new JTextField("", 10),
//    new JTextField("", 10)
//};
//  private JRadioButton updateRadio = new JRadioButton();

  public UserManageDialog(UserPanel frame, String title, boolean modal) {
    super(new JFrame(), title, modal);
    try {
      this.frame = frame;
      this.con = frame.con;
      param1.addActionListener(new ActionListener(){
        public void actionPerformed(ActionEvent e){
          okButton_actionPerformed(e);
        }});
      param2.addActionListener(new ActionListener(){
       public void actionPerformed(ActionEvent e){
         okButton_actionPerformed(e);
       }});
     param3.addActionListener(new ActionListener(){
       public void actionPerformed(ActionEvent e){
         okButton_actionPerformed(e);
       }});
      jbInit();
      this.setResizable(false);
      pack();
      Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
      Dimension frameSize = getSize();
      if (frameSize.height > screenSize.height) {
        frameSize.height = screenSize.height;
      }
      if (frameSize.width > screenSize.width) {
        frameSize.width = screenSize.width;
      }
      setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2 - 150);
//    setVisible(true);
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public UserManageDialog() {
    this(null, "", false);
  }
  private void jbInit() throws Exception {
    border1 = BorderFactory.createEmptyBorder(20,20,20,20);
    border2 = BorderFactory.createEmptyBorder(5,10,5,10);
    panel1.setLayout(borderLayout1);
    cp = getContentPane();

    insertRadio.setText("添加新用户");
    insertRadio.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        insertRadio_actionPerformed(e);
      }
    });
    controlPanel.setLayout(gridLayout1);
//    gridLayout1.setColumns(1);
    gridLayout1.setHgap(5);
    deleteRadio.setText("删除用户");
    deleteRadio.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        deleteRadio_actionPerformed(e);
      }
    });
    buttonPanel.setLayout(flowLayout1);
    okButton.setText("确  定");
    okButton.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        okButton_actionPerformed(e);
      }
    });
    cancelButton.setText("取  消");
    cancelButton.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        dispose();
        setVisible(false);
      }
    });
    jLabel1.setText("       ");
    controlPanel.setBorder(border1);
    gridLayout2.setHgap(2);
    gridLayout2.setVgap(5);
    contentPanel.setLayout(gridLayout2);
    gridLayout2.setColumns(2);
//    gridLayout2.setRows(3);
    contentPanel.setBorder(border2);
//    updateRadio.setText("更新记录");
//    updateRadio.addActionListener(new java.awt.event.ActionListener() {
//      public void actionPerformed(ActionEvent e) {
//        updateRadio_actionPerformed(e);
//      }
//    });
    cp.add(panel1);
    panel1.add(controlPanel,  BorderLayout.NORTH);
//    controlPanel.add(updateRadio, null);
    controlPanel.add(insertRadio, null);
    controlPanel.add(deleteRadio, null);
    panel1.add(contentPanel, BorderLayout.CENTER);
    panel1.add(buttonPanel, BorderLayout.SOUTH);
    group.add(deleteRadio);
    group.add(insertRadio);
//    group.add(updateRadio);
    buttonPanel.add(okButton, null);
    buttonPanel.add(jLabel1, null);
    buttonPanel.add(cancelButton, null);
  }
  private void insertRadio_actionPerformed(ActionEvent e){
    this.action = this.INSERT;
    contentPanel.removeAll();
    this.gridLayout2.setColumns(2);
    this.gridLayout2.setRows(4);
    this.contentPanel.setLayout(gridLayout2);
    JLabel lab = new JLabel("用 户 名：");
    JLabel lab1 = new JLabel("密 码：");
    JLabel lab2 = new JLabel("确认密码：");
    contentPanel.add(lab);
    contentPanel.add(param1);
    contentPanel.add(lab1);
    contentPanel.add(param2);
    contentPanel.add(lab2);
    contentPanel.add(param3);
//    contentPanel.add(lab3);
//    contentPanel.add(param4);
    validate();
    pack();
    repaint();
  }
  private void deleteRadio_actionPerformed(ActionEvent e){
    this.action = this.DELETE;
    contentPanel.removeAll();
    this.gridLayout2.setColumns(2);
    this.gridLayout2.setRows(1);
    this.contentPanel.setLayout(gridLayout2);
    JLabel lab = new JLabel("请输入您要删除的用户的用户名：");
    contentPanel.add(lab);
    contentPanel.add(param1);
    validate();
    pack();
    repaint();
  }
  private void okButton_actionPerformed(ActionEvent e){
    //删除用户
    try {
      if (this.action == this.DELETE) {

        String sql = "delete from " + Type.USERTABLE + " where userName=" +"'"+
            param1.getText()+"'";
//        System.out.println(sql);
        Statement sta = con.createStatement();
        int i = sta.executeUpdate(sql);
        if(i != 0){
          JOptionPane.showMessageDialog(this, "您已经成功删除用户"+param1.getText()+"!!");
          frame.showAll();
          param1.setText("");
        }
      }
      else if (this.action == this.INSERT) {
        //添加用户的代码
//        try{
          if(this.action == this.INSERT){
            String pwd = new String(param2.getPassword()).trim();
            String pwd1 = new String(param3.getPassword()).trim();
            String sql = null;
            if(pwd.equals(pwd1)){
              sql = "insert into " + Type.USERTABLE + " values('" +
                  param1.getText() + "',"+"'"+pwd+"')";
              System.out.println(sql);
            }
            else{
              JOptionPane.showMessageDialog(this, "您输入的密码不匹配，请重新输入！！");
              param3.setText("");
              param2.setText("");
            }
            Statement sta = con.createStatement();
            int i = sta.executeUpdate(sql);
            if(i > 0){
              JOptionPane.showMessageDialog(this, "添加用户成功！！！");
              frame.showAll();
              param1.setText("");
              param2.setText("");
              param3.setText("");
            }
          }
        }
//        catch(Exception exx){
//
//        }
      }
//    }

    catch (SQLException ex) {
      System.err.println(ex.toString());
    }
  }
//  private void  updateRadio_actionPerformed(ActionEvent e){
//
//  }
}