roomconfiguration.java

实现了一个简单的餐饮行业进销存系统

package com.csbook.restaurant;

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


/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author pengtao
 * @version 1.0
 */

public class RoomConfiguration extends JInternalFrame {

  JPanel panel1 = new JPanel();
   BorderLayout borderLayout1 = new BorderLayout();
   JPanel jPanel1 = new JPanel();
   BorderLayout borderLayout2 = new BorderLayout();
   JPanel jPanel2 = new JPanel();
   JPanel jPanel3 = new JPanel();
   JLabel jLabel1 = new JLabel();
   JLabel jLabel4 = new JLabel();
   JTextField remark = new JTextField();
   JLabel jLabel5 = new JLabel();
   JTextField capacity = new JTextField();
   JLabel jLabel6 = new JLabel();
   JLabel jLabel7 = new JLabel();
   GridLayout gridLayout1 = new GridLayout(3,4);
   JLabel jLabel8 = new JLabel();
   JTextField roomNo = new JTextField();
   JComboBox roomType = new JComboBox();
   JPanel jPanel5 = new JPanel();
   JButton addRoom = new JButton();
   Database database1 = new Database();
   TableScrollPane tableScrollPane1 = new TableScrollPane();
   QueryDataSet queryDataSet1 = new QueryDataSet();
   JdbTable jdbTable1 = new JdbTable();
   Column column1 = new Column();
   Column column2 = new Column();
   Column column3 = new Column();
   Column column4 = new Column();
   Column column5 = new Column();
  JComboBox deptName = new JComboBox();
  String currentRoomType="";
  JPanel jPanel6 = new JPanel();
  JButton cancel = new JButton();
  JButton deleteRoom = new JButton();
  JdbNavToolBar DBNavToolBar = new JdbNavToolBar();
  JButton modify = new JButton();
  DBDisposeMonitor dBDisposeMonitor1 = new DBDisposeMonitor();

   public RoomConfiguration(String title,boolean resizable,boolean closable,boolean maximizable,boolean iconifiable) {
     super(title,resizable,closable,maximizable,iconifiable);
     try {
       jbInit();
       pack();
     }
     catch(Exception ex) {
       ex.printStackTrace();
     }
   }

   private void jbInit() throws Exception {
     panel1.setLayout(borderLayout1);
     jPanel1.setLayout(borderLayout2);
     jLabel1.setText("房台设置");
     jLabel4.setText("备注");
     jLabel5.setText("可容纳人数");
     jLabel6.setText("房间类型");
     jLabel7.setText("房间编号");
     jPanel3.setDebugGraphicsOptions(0);
     jPanel3.setLayout(gridLayout1);
     jLabel8.setText("部门名称");
     roomNo.setText("");
     remark.setText("");
     capacity.setText("");
     addRoom.setText("添加房台");
     addRoom.addActionListener(new RoomConfiguration_addRoom_actionAdapter(this));
     database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Restaurant", "user", "user", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
     queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT room.id,room.deptName,room.type,room.capacity,room.remark " +
       "FROM Restaurant.dbo.room", null, true, Load.ALL));
     jdbTable1.setDataSet(queryDataSet1);
     column1.setCaption("部门");
     column1.setColumnName("deptName");
     column1.setDataType(com.borland.dx.dataset.Variant.STRING);
     column1.setPrecision(30);
     column1.setSchemaName("dbo");
     column1.setTableName("room");
     column1.setWidth(10);
     column1.setServerColumnName("deptName");
     column1.setSqlType(1);
     column2.setCaption("房台类型");
     column2.setColumnName("type");
     column2.setDataType(com.borland.dx.dataset.Variant.STRING);
     column2.setPrecision(30);
     column2.setSchemaName("dbo");
     column2.setTableName("room");
     column2.setWidth(10);
     column2.setServerColumnName("type");
     column2.setSqlType(1);
     column3.setCaption("容量");
     column3.setColumnName("capacity");
     column3.setDataType(com.borland.dx.dataset.Variant.INT);
     column3.setSchemaName("dbo");
     column3.setTableName("room");
     column3.setWidth(5);
     column3.setServerColumnName("capacity");
     column3.setSqlType(4);
     column4.setCaption("备注");
     column4.setColumnName("remark");
     column4.setDataType(com.borland.dx.dataset.Variant.STRING);
     column4.setPrecision(255);
     column4.setSchemaName("dbo");
     column4.setTableName("room");
     column4.setServerColumnName("remark");
     column4.setSqlType(1);
     column5.setCaption("房台编号");
     column5.setColumnName("id");
     column5.setDataType(com.borland.dx.dataset.Variant.STRING);
     column5.setPrecision(30);
     column5.setRowId(true);
     column5.setSchemaName("dbo");
     column5.setTableName("room");
     column5.setWidth(10);
     column5.setServerColumnName("id");
     column5.setSqlType(1);
     queryDataSet1.setColumns(new Column[] {column5, column1, column2, column3, column4});
    cancel.setText("关闭窗口");
    cancel.addActionListener(new RoomConfiguration_cancel_actionAdapter(this));
    cancel.addActionListener(new RoomConfiguration_cancel_actionAdapter(this));
    deleteRoom.setText("删除房台");
    deleteRoom.addActionListener(new RoomConfiguration_deleteRoom_actionAdapter(this));
    DBNavToolBar.setVisible(false);
    DBNavToolBar.setButtonStateInsert(JdbNavToolBar.AUTO_ENABLED);
    DBNavToolBar.setButtonStateDelete(JdbNavToolBar.AUTO_ENABLED);
    DBNavToolBar.setButtonStateCancel(JdbNavToolBar.AUTO_ENABLED);
    DBNavToolBar.setButtonStateDitto(JdbNavToolBar.AUTO_ENABLED);
    modify.setText("修改房台信息");
    modify.addActionListener(new RoomConfiguration_modify_actionAdapter(this));
    jPanel6.add(modify, null);
    getContentPane().add(panel1,  BorderLayout.CENTER);
     panel1.add(tableScrollPane1, BorderLayout.CENTER);
     tableScrollPane1.getViewport().add(jdbTable1, null);
     this.getContentPane().add(jPanel1, BorderLayout.NORTH);
     jPanel1.add(jPanel2,  BorderLayout.NORTH);
     jPanel2.add(jLabel1, null);
     jPanel1.add(jPanel3,  BorderLayout.CENTER);
     jPanel3.add(jLabel7, null);
     jPanel3.add(roomNo, null);
     jPanel3.add(jLabel8, null);
    jPanel3.add(deptName, null);
     jPanel3.add(jLabel6, null);
     jPanel3.add(roomType, null);
     jPanel3.add(jLabel5, null);
     jPanel3.add(capacity, null);
     jPanel3.add(jLabel4, null);
     jPanel3.add(remark, null);
     jPanel1.add(jPanel5,  BorderLayout.SOUTH);
     jPanel5.add(addRoom, null);
    jPanel5.add(deleteRoom, null);
    this.getContentPane().add(jPanel6,  BorderLayout.SOUTH);
    jPanel6.add(cancel, null);
    panel1.add(DBNavToolBar,  BorderLayout.SOUTH);
     Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
     this.prepareShow();
   }

   void addRoom_actionPerformed(ActionEvent e) {
     if(roomNo.getText().trim().equals(""))
     {
       JOptionPane.showMessageDialog(this, "房台编号不能为空", "错误",JOptionPane.ERROR_MESSAGE);
       return;
     }
     boolean roomExist=this.roomExist();
     if(roomExist)
     {
       JOptionPane.showMessageDialog(this, "已存在该编号的房台", "错误",JOptionPane.ERROR_MESSAGE);
       return;
     }
     Connection conn=null;
     PreparedStatement ps=null;
     try{
      conn=DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Restaurant;user=user;password=user");
      ps=conn.prepareStatement("insert into room(id,deptName,type,capacity,remark) values(?,?,?,?,?)");
      ps.setString(1,roomNo.getText());
      ps.setString(2,deptName.getSelectedItem().toString());
      ps.setString(3,roomType.getSelectedItem().toString());
      ps.setInt(4,Integer.parseInt(capacity.getText()));
      ps.setString(5,remark.getText());
      ps.executeUpdate();
      //刷新列表显示
      JButton refreshButton=DBNavToolBar.getRefreshButton();
      refreshButton.doClick();
      JOptionPane.showMessageDialog(this, "已成功增加该房台", "操作",JOptionPane.PLAIN_MESSAGE);
    }
    catch(SQLException ex){
        ex.printStackTrace();
    }
    finally{
      if(ps!=null)try{ps.close();}catch(SQLException ignore){}
      if(conn!=null)try{conn.close();}catch(SQLException ignore){}
      }
   }

   private boolean roomExist()
   {
     Connection conn = null;
     PreparedStatement ps = null;
     ResultSet rs=null;
     boolean exist=false;
     try{
       conn = DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Restaurant;user=user;password=user");
       ps = conn.prepareStatement("select id from room where id=?");
       ps.setString(1, roomNo.getText());
       rs=ps.executeQuery();
       if(rs.next())
         exist=true;
     }
     catch(SQLException ex){
            ex.printStackTrace();
    }
    finally{
      if(rs!=null)try{rs.close();}catch(SQLException ignore){}
      if(ps!=null)try{ps.close();}catch(SQLException ignore){}
      if(conn!=null)try{conn.close();}catch(SQLException ignore){}
    }
    return exist;
   }

  void deleteRoom_actionPerformed(ActionEvent e) {
     Connection conn=null;
     PreparedStatement ps=null;
      try{
           conn = DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Restaurant;user=user;password=user");
           ps = conn.prepareStatement("delete from room where id=?");
           ps.setString(1,roomNo.getText());
           if(ps.executeUpdate()==1)
           {
             //刷新列表显示
              JButton refreshButton=DBNavToolBar.getRefreshButton();
              refreshButton.doClick();
             JOptionPane.showMessageDialog(this, "已成功删除该房台", "操作",
                                           JOptionPane.PLAIN_MESSAGE);
           }
         }
     catch(SQLException ex){
             JOptionPane.showMessageDialog(this, "系统中存在与该房台相关的数据，现在不能删除该房台", "错误",JOptionPane.WARNING_MESSAGE);
            }
     finally{
              if(ps!=null)try{ps.close();}catch(SQLException ignore){}
             if(conn!=null)try{conn.close();}catch(SQLException ignore){}
             }
   }

   private void prepareShow(){
       Connection conn=null;
       PreparedStatement ps=null;
       ResultSet rs=null;
        try{
             conn = DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=Restaurant;user=user;password=user");
             ps = conn.prepareStatement("select name from roomType");
             rs=ps.executeQuery();
             while(rs.next())
               roomType.addItem(rs.getString("name"));
            ps=conn.prepareStatement("select name from departments");
            rs=ps.executeQuery();
            while(rs.next())
              deptName.addItem(rs.getString("name"));
           }
       catch(SQLException ex){
              ex.printStackTrace();
              }
       finally{
            if(rs!=null)try{rs.close();}catch(SQLException ignore){}
            if(ps!=null)try{ps.close();}catch(SQLException ignore){}
            if(conn!=null)try{conn.close();}catch(SQLException ignore){}
      }
   }

  void cancel_actionPerformed(ActionEvent e) {
   this.dispose();
  }

  void modify_actionPerformed(ActionEvent e) {
    JButton postButton=DBNavToolBar.getPostButton();
    postButton.doClick();
    JButton saveButton=DBNavToolBar.getSaveButton();
    saveButton.doClick();
    JOptionPane.showMessageDialog(this, "已成功提交修改信息！", "提示",
                                        JOptionPane.PLAIN_MESSAGE);
  }
 }

 class RoomConfiguration_addRoom_actionAdapter implements java.awt.event.ActionListener {
   RoomConfiguration adaptee;

   RoomConfiguration_addRoom_actionAdapter(RoomConfiguration adaptee) {
     this.adaptee = adaptee;
   }
   public void actionPerformed(ActionEvent e) {
     adaptee.addRoom_actionPerformed(e);
   }
 }

class RoomConfiguration_deleteRoom_actionAdapter implements java.awt.event.ActionListener {
  RoomConfiguration adaptee;

  RoomConfiguration_deleteRoom_actionAdapter(RoomConfiguration adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.deleteRoom_actionPerformed(e);
  }
}

class RoomConfiguration_cancel_actionAdapter implements java.awt.event.ActionListener {
  RoomConfiguration adaptee;

  RoomConfiguration_cancel_actionAdapter(RoomConfiguration adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.cancel_actionPerformed(e);
  }
}

class RoomConfiguration_modify_actionAdapter implements java.awt.event.ActionListener {
  RoomConfiguration adaptee;

  RoomConfiguration_modify_actionAdapter(RoomConfiguration adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.modify_actionPerformed(e);
  }
}