frame2.java~53~

这是Java数据库系统项目开发实践源代码,所有代码经过测试

package untitled5;

import java.io.*;
import java.net.*;
import java.sql.*;
import java.lang.*;
import javax.sql.*;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import com.borland.dbswing.*;
//货品信息登记
public class Frame2 extends JFrame {
  JPanel contentPane;
  JLabel jLabel1 = new JLabel();
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JLabel jLabel4 = new JLabel();
  JTextField jTextField2 = new JTextField();
  JPanel jPanel1 = new JPanel();
  XYLayout xYLayout2 = new XYLayout();
  JScrollPane jScrollPane1 = new JScrollPane();
  JLabel jLabel5 = new JLabel();
  JTextField jTextField3 = new JTextField();

  //Construct the frame
  public Frame2() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(600, 500));
    this.setTitle("销售管理系统");
    this.addHierarchyBoundsListener(new Frame2_this_hierarchyBoundsAdapter(this));
    jLabel1.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel1.setForeground(Color.red);
    jLabel1.setText("销售管理系统");
    contentPane.setForeground(Color.black);
    jLabel2.setFont(new java.awt.Font("SansSerif", 0, 30));
    jLabel2.setText("产 品 信 息 展 示");
   // statusBar.setFont(new java.awt.Font("SansSerif", 0, 20));
    jLabel3.setFont(new java.awt.Font("SansSerif", 0, 20));
    jLabel3.setText("产品名称");
    jTextField1.setText("");
    jLabel4.setEnabled(true);
    jLabel4.setFont(new java.awt.Font("SansSerif", 0, 20));
    jLabel4.setText("产品ID号");
    jTextField2.setText("");
    jTextField2.addActionListener(new Frame2_jTextField2_actionAdapter(this));
    jPanel1.setLayout(xYLayout2);
    jLabel5.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel5.setForeground(Color.red);
    jLabel5.setText("该产品详细信息");
    jTextField3.setText("");
    contentPane.add(jLabel1, new XYConstraints(237, 0, 153, 40));
    contentPane.add(jLabel2, new XYConstraints(200, 47, 231, 58));
    contentPane.add(jLabel3,  new XYConstraints(47, 102, 101, 42));
    contentPane.add(jTextField1,    new XYConstraints(128, 108, 112, 34));
    contentPane.add(jTextField2,    new XYConstraints(361, 107, 109, 36));
    contentPane.add(jPanel1,      new XYConstraints(75, 166, 453, 277));
    jPanel1.add(jScrollPane1,     new XYConstraints(14, 8, 433, 221));
    jScrollPane1.getViewport().add(jTextField3, null);
    jPanel1.add(jLabel5,    new XYConstraints(112, 240, -1, -1));
    contentPane.add(jLabel4, new XYConstraints(278, 111, -1, -1));
  }
  //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 Select() {
   try {
     String str1, str2;
     str1 = jTextField1.getText();
     str2 = jTextField2.getText();
     //装载jdbc驱动程序
     String driverName = "oracle.jdbc.OracleDriver";
     Driver driver = (Driver) Class.forName(driverName).newInstance();
     //连接数据库
     Connection con = DriverManager.getConnection(
         "jdbc:oracle:thin:@thsspc0791:1521:liuyong", "sa", "tongfang");
     PreparedStatement pstmt = con.prepareStatement(
         " select Good('ID','name' ,'quality','price') where ID=? and name=? ");
     pstmt.setString(1, str1);
     pstmt.setString(2, str2);
     ResultSet res = pstmt.executeQuery();
     //String sa=res.getString(1);
     String outputarea="  Id " +"     Name   "+"    quality   "+"  price  "+"\n";
          do{
           outputarea+="  "+res.getString(1)+"  "+"  "+res.getString(2)+"  "+"  "+res.getString(3)+"  "+"      "+res.getInt(4)+"  "+"     "+res.getString(5)+"  "+"   "+res.getString(6)+"  "+"       "+res.getInt(7)+"  "+"\n";
          jTextField3.setText(outputarea);
         }while (res.next());
   }catch (InstantiationException e) {
     System.out.println(e.getMessage());
   }catch (IllegalAccessException e) {
     System.out.println(e.getMessage());
   }catch (ClassNotFoundException e) {
     System.out.println(e.getMessage());
   }catch (SQLException edd) {
     edd.printStackTrace() ;
     System.out.println(edd.getMessage());
   }
 }
 void validID() {
   try {
     String str1, str2;
     str1 = jTextField1.getText();
     str2 = jTextField2.getText();
     //装载jdbc驱动程序。
     //通过下面的程序我们完成对oracle数据库的动态连接。
     String driverName = "oracle.jdbc.OracleDriver";
     Driver driver = (Driver) Class.forName(driverName).newInstance();
     //连接数据库
     //在下面的程序中我们连接的数据库是名为“tongfang“的数据库
     //登录名是”sa“密码是“tongfang”
     Connection con = DriverManager.getConnection(
         "jdbc:oracle:thin:@thsspc0791:1521:liuyong", "sa", "tongfang");
     //执行动态的sql语句
     PreparedStatement pstmt = con.prepareStatement(
         //依据读者的名字查询读者的信息的sql语句
         " select name ,id,password from worker-info where name=?");
     //将读者的名字添加到具体的sql语句中
     pstmt.setString(1, str1);
     //使用ResultSet中的方法executeQuery()来完成sql语句的执行
     ResultSet res = pstmt.executeQuery();
     //使用getString()来获取sql查询的结果
     //String sa=res.getString(1);
     if ((!res.next()) || res.getString("password") == null) {
       JOptionPane.showMessageDialog(this, "查无此人", "错误",
                                     JOptionPane.ERROR_MESSAGE);
     }else {
       if ( !res.getString("password").equals(str2)) {
         JOptionPane.showMessageDialog(this, "密码错误", "错误",
                                     JOptionPane.ERROR_MESSAGE);
       }else {
         System.out.println("zhengque");
         do{
           System.out.println(res.getString(1)+":" + res.getString(2) +
                              ":" +res.getString(3));
         }while (res.next());
            }
     }
     pstmt.close();
     con.close();
   }catch (InstantiationException e) {
     System.out.println(e.getMessage());
   }catch (IllegalAccessException e) {
     System.out.println(e.getMessage());
   }catch (ClassNotFoundException e) {
     System.out.println(e.getMessage());
   }catch (SQLException edd) {
     edd.printStackTrace() ;
     System.out.println(edd.getMessage());
   }
 }

  void this_ancestorMoved(HierarchyEvent e) {

  }

  void jTextField2_actionPerformed(ActionEvent e) {
    validID();
   Select();
  }
}

class Frame2_this_hierarchyBoundsAdapter extends java.awt.event.HierarchyBoundsAdapter {
  Frame2 adaptee;

  Frame2_this_hierarchyBoundsAdapter(Frame2 adaptee) {
    this.adaptee = adaptee;
  }
  public void ancestorMoved(HierarchyEvent e) {
    adaptee.this_ancestorMoved(e);
  }
}

class Frame2_jTextField2_actionAdapter implements java.awt.event.ActionListener {
  Frame2 adaptee;

  Frame2_jTextField2_actionAdapter(Frame2 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jTextField2_actionPerformed(e);
  }
}